More restructuring

src/Nadeko.Bot.Modules.Administration/Administration.cs

@@ -0,0 +1,405 @@
+#nullable disable
+using NadekoBot.Common.TypeReaders.Models;
+using NadekoBot.Modules.Administration.Services;
+
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration : NadekoModule<AdministrationService>
+{
+    public enum Channel
+    {
+        Channel,
+        Ch,
+        Chnl,
+        Chan
+    }
+
+    public enum List
+    {
+        List = 0,
+        Ls = 0
+    }
+
+    public enum Server
+    {
+        Server
+    }
+
+    public enum State
+    {
+        Enable,
+        Disable,
+        Inherit
+    }
+
+    private readonly SomethingOnlyChannelService _somethingOnly;
+    private readonly AutoPublishService _autoPubService;
+
+    public Administration(SomethingOnlyChannelService somethingOnly, AutoPublishService autoPubService)
+    {
+        _somethingOnly = somethingOnly;
+        _autoPubService = autoPubService;
+    }
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(GuildPerm.Administrator)]
+    [BotPerm(GuildPerm.ManageGuild)]
+    public async Task ImageOnlyChannel(StoopidTime time = null)
+    {
+        var newValue = await _somethingOnly.ToggleImageOnlyChannelAsync(ctx.Guild.Id, ctx.Channel.Id);
+        if (newValue)
+            await ReplyConfirmLocalizedAsync(strs.imageonly_enable);
+        else
+            await ReplyPendingLocalizedAsync(strs.imageonly_disable);
+    }
+    
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(GuildPerm.Administrator)]
+    [BotPerm(GuildPerm.ManageGuild)]
+    public async Task LinkOnlyChannel(StoopidTime time = null)
+    {
+        var newValue = await _somethingOnly.ToggleLinkOnlyChannelAsync(ctx.Guild.Id, ctx.Channel.Id);
+        if (newValue)
+            await ReplyConfirmLocalizedAsync(strs.linkonly_enable);
+        else
+            await ReplyPendingLocalizedAsync(strs.linkonly_disable);
+    }
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(ChannelPerm.ManageChannels)]
+    [BotPerm(ChannelPerm.ManageChannels)]
+    public async Task Slowmode(StoopidTime time = null)
+    {
+        var seconds = (int?)time?.Time.TotalSeconds ?? 0;
+        if (time is not null && (time.Time < TimeSpan.FromSeconds(0) || time.Time > TimeSpan.FromHours(6)))
+            return;
+
+        await ((ITextChannel)ctx.Channel).ModifyAsync(tcp =>
+        {
+            tcp.SlowModeInterval = seconds;
+        });
+
+        await ctx.OkAsync();
+    }
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(GuildPerm.Administrator)]
+    [BotPerm(GuildPerm.ManageMessages)]
+    [Priority(2)]
+    public async Task Delmsgoncmd(List _)
+    {
+        var guild = (SocketGuild)ctx.Guild;
+        var (enabled, channels) = _service.GetDelMsgOnCmdData(ctx.Guild.Id);
+
+        var embed = _eb.Create()
+                       .WithOkColor()
+                       .WithTitle(GetText(strs.server_delmsgoncmd))
+                       .WithDescription(enabled ? "✅" : "❌");
+
+        var str = string.Join("\n",
+            channels.Select(x =>
+            {
+                var ch = guild.GetChannel(x.ChannelId)?.ToString() ?? x.ChannelId.ToString();
+                var prefixSign = x.State ? "✅ " : "❌ ";
+                return prefixSign + ch;
+            }));
+
+        if (string.IsNullOrWhiteSpace(str))
+            str = "-";
+
+        embed.AddField(GetText(strs.channel_delmsgoncmd), str);
+
+        await ctx.Channel.EmbedAsync(embed);
+    }
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(GuildPerm.Administrator)]
+    [BotPerm(GuildPerm.ManageMessages)]
+    [Priority(1)]
+    public async Task Delmsgoncmd(Server _ = Server.Server)
+    {
+        if (_service.ToggleDeleteMessageOnCommand(ctx.Guild.Id))
+        {
+            _service.DeleteMessagesOnCommand.Add(ctx.Guild.Id);
+            await ReplyConfirmLocalizedAsync(strs.delmsg_on);
+        }
+        else
+        {
+            _service.DeleteMessagesOnCommand.TryRemove(ctx.Guild.Id);
+            await ReplyConfirmLocalizedAsync(strs.delmsg_off);
+        }
+    }
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(GuildPerm.Administrator)]
+    [BotPerm(GuildPerm.ManageMessages)]
+    [Priority(0)]
+    public Task Delmsgoncmd(Channel _, State s, ITextChannel ch)
+        => Delmsgoncmd(_, s, ch.Id);
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(GuildPerm.Administrator)]
+    [BotPerm(GuildPerm.ManageMessages)]
+    [Priority(1)]
+    public async Task Delmsgoncmd(Channel _, State s, ulong? chId = null)
+    {
+        var actualChId = chId ?? ctx.Channel.Id;
+        await _service.SetDelMsgOnCmdState(ctx.Guild.Id, actualChId, s);
+
+        if (s == State.Disable)
+            await ReplyConfirmLocalizedAsync(strs.delmsg_channel_off);
+        else if (s == State.Enable)
+            await ReplyConfirmLocalizedAsync(strs.delmsg_channel_on);
+        else
+            await ReplyConfirmLocalizedAsync(strs.delmsg_channel_inherit);
+    }
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(GuildPerm.DeafenMembers)]
+    [BotPerm(GuildPerm.DeafenMembers)]
+    public async Task Deafen(params IGuildUser[] users)
+    {
+        await _service.DeafenUsers(true, users);
+        await ReplyConfirmLocalizedAsync(strs.deafen);
+    }
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(GuildPerm.DeafenMembers)]
+    [BotPerm(GuildPerm.DeafenMembers)]
+    public async Task UnDeafen(params IGuildUser[] users)
+    {
+        await _service.DeafenUsers(false, users);
+        await ReplyConfirmLocalizedAsync(strs.undeafen);
+    }
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(GuildPerm.ManageChannels)]
+    [BotPerm(GuildPerm.ManageChannels)]
+    public async Task DelVoiChanl([Leftover] IVoiceChannel voiceChannel)
+    {
+        await voiceChannel.DeleteAsync();
+        await ReplyConfirmLocalizedAsync(strs.delvoich(Format.Bold(voiceChannel.Name)));
+    }
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(GuildPerm.ManageChannels)]
+    [BotPerm(GuildPerm.ManageChannels)]
+    public async Task CreatVoiChanl([Leftover] string channelName)
+    {
+        var ch = await ctx.Guild.CreateVoiceChannelAsync(channelName);
+        await ReplyConfirmLocalizedAsync(strs.createvoich(Format.Bold(ch.Name)));
+    }
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(GuildPerm.ManageChannels)]
+    [BotPerm(GuildPerm.ManageChannels)]
+    public async Task DelTxtChanl([Leftover] ITextChannel toDelete)
+    {
+        await toDelete.DeleteAsync();
+        await ReplyConfirmLocalizedAsync(strs.deltextchan(Format.Bold(toDelete.Name)));
+    }
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(GuildPerm.ManageChannels)]
+    [BotPerm(GuildPerm.ManageChannels)]
+    public async Task CreaTxtChanl([Leftover] string channelName)
+    {
+        var txtCh = await ctx.Guild.CreateTextChannelAsync(channelName); 
+        await ReplyConfirmLocalizedAsync(strs.createtextchan(Format.Bold(txtCh.Name)));
+    }
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(GuildPerm.ManageChannels)]
+    [BotPerm(GuildPerm.ManageChannels)]
+    public async Task SetTopic([Leftover] string topic = null)
+    {
+        var channel = (ITextChannel)ctx.Channel;
+        topic ??= "";
+        await channel.ModifyAsync(c => c.Topic = topic);
+        await ReplyConfirmLocalizedAsync(strs.set_topic);
+    }
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(GuildPerm.ManageChannels)]
+    [BotPerm(GuildPerm.ManageChannels)]
+    public async Task SetChanlName([Leftover] string name)
+    {
+        var channel = (ITextChannel)ctx.Channel;
+        await channel.ModifyAsync(c => c.Name = name);
+        await ReplyConfirmLocalizedAsync(strs.set_channel_name);
+    }
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(GuildPerm.ManageChannels)]
+    [BotPerm(GuildPerm.ManageChannels)]
+    public async Task NsfwToggle()
+    {
+        var channel = (ITextChannel)ctx.Channel;
+        var isEnabled = channel.IsNsfw;
+
+        await channel.ModifyAsync(c => c.IsNsfw = !isEnabled);
+
+        if (isEnabled)
+            await ReplyConfirmLocalizedAsync(strs.nsfw_set_false);
+        else
+            await ReplyConfirmLocalizedAsync(strs.nsfw_set_true);
+    }
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(ChannelPerm.ManageMessages)]
+    [Priority(0)]
+    public Task Edit(ulong messageId, [Leftover] string text)
+        => Edit((ITextChannel)ctx.Channel, messageId, text);
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [Priority(1)]
+    public async Task Edit(ITextChannel channel, ulong messageId, [Leftover] string text)
+    {
+        var userPerms = ((SocketGuildUser)ctx.User).GetPermissions(channel);
+        var botPerms = ((SocketGuild)ctx.Guild).CurrentUser.GetPermissions(channel);
+        if (!userPerms.Has(ChannelPermission.ManageMessages))
+        {
+            await ReplyErrorLocalizedAsync(strs.insuf_perms_u);
+            return;
+        }
+
+        if (!botPerms.Has(ChannelPermission.ViewChannel))
+        {
+            await ReplyErrorLocalizedAsync(strs.insuf_perms_i);
+            return;
+        }
+
+        await _service.EditMessage(ctx, channel, messageId, text);
+    }
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(ChannelPerm.ManageMessages)]
+    [BotPerm(ChannelPerm.ManageMessages)]
+    public Task Delete(ulong messageId, StoopidTime time = null)
+        => Delete((ITextChannel)ctx.Channel, messageId, time);
+
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    public async Task Delete(ITextChannel channel, ulong messageId, StoopidTime time = null)
+        => await InternalMessageAction(channel, messageId, time, msg => msg.DeleteAsync());
+
+    private async Task InternalMessageAction(
+        ITextChannel channel,
+        ulong messageId,
+        StoopidTime time,
+        Func<IMessage, Task> func)
+    {
+        var userPerms = ((SocketGuildUser)ctx.User).GetPermissions(channel);
+        var botPerms = ((SocketGuild)ctx.Guild).CurrentUser.GetPermissions(channel);
+        if (!userPerms.Has(ChannelPermission.ManageMessages))
+        {
+            await ReplyErrorLocalizedAsync(strs.insuf_perms_u);
+            return;
+        }
+
+        if (!botPerms.Has(ChannelPermission.ManageMessages))
+        {
+            await ReplyErrorLocalizedAsync(strs.insuf_perms_i);
+            return;
+        }
+
+
+        var msg = await channel.GetMessageAsync(messageId);
+        if (msg is null)
+        {
+            await ReplyErrorLocalizedAsync(strs.msg_not_found);
+            return;
+        }
+
+        if (time is null)
+            await msg.DeleteAsync();
+        else if (time.Time <= TimeSpan.FromDays(7))
+        {
+            _ = Task.Run(async () =>
+            {
+                await Task.Delay(time.Time);
+                await msg.DeleteAsync();
+            });
+        }
+        else
+        {
+            await ReplyErrorLocalizedAsync(strs.time_too_long);
+            return;
+        }
+
+        await ctx.OkAsync();
+    }
+
+    [Cmd]
+    [BotPerm(ChannelPermission.CreatePublicThreads)]
+    [UserPerm(ChannelPermission.CreatePublicThreads)]
+    public async Task ThreadCreate([Leftover] string name)
+    {
+        if (ctx.Channel is not SocketTextChannel stc)
+            return;
+        
+        await stc.CreateThreadAsync(name, message: ctx.Message.ReferencedMessage);
+        await ctx.OkAsync();
+    }
+    
+    [Cmd]
+    [BotPerm(ChannelPermission.ManageThreads)]
+    [UserPerm(ChannelPermission.ManageThreads)]
+    public async Task ThreadDelete([Leftover] string name)
+    {
+        if (ctx.Channel is not SocketTextChannel stc)
+            return;
+
+        var t = stc.Threads.FirstOrDefault(x => string.Equals(x.Name, name, StringComparison.InvariantCultureIgnoreCase));
+
+        if (t is null)
+        {
+            await ReplyErrorLocalizedAsync(strs.not_found);
+            return;
+        }
+        
+        await t.DeleteAsync();
+        await ctx.OkAsync();
+    }
+
+    [Cmd]
+    [UserPerm(ChannelPerm.ManageMessages)]
+    public async Task AutoPublish()
+    {
+        if (ctx.Channel.GetChannelType() != ChannelType.News)
+        {
+            await ReplyErrorLocalizedAsync(strs.req_announcement_channel);
+            return;
+        }
+
+        var newState = await _autoPubService.ToggleAutoPublish(ctx.Guild.Id, ctx.Channel.Id);
+
+        if (newState)
+        {
+            await ReplyConfirmLocalizedAsync(strs.autopublish_enable);
+        }
+        else
+        {
+            await ReplyConfirmLocalizedAsync(strs.autopublish_disable);
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/AdministrationService.cs

@@ -0,0 +1,158 @@
+#nullable disable
+using Microsoft.EntityFrameworkCore;
+using NadekoBot.Db;
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Modules.Administration.Services;
+
+public class AdministrationService : INService
+{
+    public ConcurrentHashSet<ulong> DeleteMessagesOnCommand { get; }
+    public ConcurrentDictionary<ulong, bool> DeleteMessagesOnCommandChannels { get; }
+
+    private readonly DbService _db;
+    private readonly ILogCommandService _logService;
+
+    public AdministrationService(
+        IBot bot,
+        CommandHandler cmdHandler,
+        DbService db,
+        ILogCommandService logService)
+    {
+        _db = db;
+        _logService = logService;
+
+        DeleteMessagesOnCommand = new(bot.AllGuildConfigs.Where(g => g.DeleteMessageOnCommand).Select(g => g.GuildId));
+
+        DeleteMessagesOnCommandChannels = new(bot.AllGuildConfigs.SelectMany(x => x.DelMsgOnCmdChannels)
+                                                 .ToDictionary(x => x.ChannelId, x => x.State)
+                                                 .ToConcurrent());
+
+        cmdHandler.CommandExecuted += DelMsgOnCmd_Handler;
+    }
+
+    public (bool DelMsgOnCmd, IEnumerable<DelMsgOnCmdChannel> channels) GetDelMsgOnCmdData(ulong guildId)
+    {
+        using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set.Include(x => x.DelMsgOnCmdChannels));
+
+        return (conf.DeleteMessageOnCommand, conf.DelMsgOnCmdChannels);
+    }
+
+    private Task DelMsgOnCmd_Handler(IUserMessage msg, CommandInfo cmd)
+    {
+        if (msg.Channel is not ITextChannel channel)
+            return Task.CompletedTask;
+        
+        _ = Task.Run(async () =>
+        {
+            //wat ?!
+            if (DeleteMessagesOnCommandChannels.TryGetValue(channel.Id, out var state))
+            {
+                if (state && cmd.Name != "prune" && cmd.Name != "pick")
+                {
+                    _logService.AddDeleteIgnore(msg.Id);
+                    try { await msg.DeleteAsync(); }
+                    catch { }
+                }
+                //if state is false, that means do not do it
+            }
+            else if (DeleteMessagesOnCommand.Contains(channel.Guild.Id) && cmd.Name != "prune" && cmd.Name != "pick")
+            {
+                _logService.AddDeleteIgnore(msg.Id);
+                try { await msg.DeleteAsync(); }
+                catch { }
+            }
+        });
+        return Task.CompletedTask;
+    }
+
+    public bool ToggleDeleteMessageOnCommand(ulong guildId)
+    {
+        bool enabled;
+        using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set);
+        enabled = conf.DeleteMessageOnCommand = !conf.DeleteMessageOnCommand;
+
+        uow.SaveChanges();
+        return enabled;
+    }
+
+    public async Task SetDelMsgOnCmdState(ulong guildId, ulong chId, Administration.State newState)
+    {
+        await using (var uow = _db.GetDbContext())
+        {
+            var conf = uow.GuildConfigsForId(guildId, set => set.Include(x => x.DelMsgOnCmdChannels));
+
+            var old = conf.DelMsgOnCmdChannels.FirstOrDefault(x => x.ChannelId == chId);
+            if (newState == Administration.State.Inherit)
+            {
+                if (old is not null)
+                {
+                    conf.DelMsgOnCmdChannels.Remove(old);
+                    uow.Remove(old);
+                }
+            }
+            else
+            {
+                if (old is null)
+                {
+                    old = new()
+                    {
+                        ChannelId = chId
+                    };
+                    conf.DelMsgOnCmdChannels.Add(old);
+                }
+
+                old.State = newState == Administration.State.Enable;
+                DeleteMessagesOnCommandChannels[chId] = newState == Administration.State.Enable;
+            }
+
+            await uow.SaveChangesAsync();
+        }
+
+        if (newState == Administration.State.Disable)
+        {
+        }
+        else if (newState == Administration.State.Enable)
+            DeleteMessagesOnCommandChannels[chId] = true;
+        else
+            DeleteMessagesOnCommandChannels.TryRemove(chId, out _);
+    }
+
+    public async Task DeafenUsers(bool value, params IGuildUser[] users)
+    {
+        if (!users.Any())
+            return;
+        foreach (var u in users)
+        {
+            try
+            {
+                await u.ModifyAsync(usr => usr.Deaf = value);
+            }
+            catch
+            {
+                // ignored
+            }
+        }
+    }
+
+    public async Task EditMessage(
+        ICommandContext context,
+        ITextChannel chanl,
+        ulong messageId,
+        string input)
+    {
+        var msg = await chanl.GetMessageAsync(messageId);
+
+        if (msg is not IUserMessage umsg || msg.Author.Id != context.Client.CurrentUser.Id)
+            return;
+
+        var rep = new ReplacementBuilder().WithDefault(context).Build();
+
+        var text = SmartText.CreateFrom(input);
+        text = rep.Replace(text);
+
+        await umsg.EditAsync(text);
+    }
+}

src/Nadeko.Bot.Modules.Administration/AutoAssignableRoles/AutoAssignRoleCommands.cs

@@ -0,0 +1,59 @@
+#nullable disable
+using Nadeko.Common;
+using NadekoBot.Modules.Administration.Services;
+
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration
+{
+    [Group]
+    public partial class AutoAssignRoleCommands : NadekoModule<AutoAssignRoleService>
+    {
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        public async Task AutoAssignRole([Leftover] IRole role)
+        {
+            var guser = (IGuildUser)ctx.User;
+            if (role.Id == ctx.Guild.EveryoneRole.Id)
+                return;
+
+            // the user can't aar the role which is higher or equal to his highest role
+            if (ctx.User.Id != guser.Guild.OwnerId && guser.GetRoles().Max(x => x.Position) <= role.Position)
+            {
+                await ReplyErrorLocalizedAsync(strs.hierarchy);
+                return;
+            }
+
+            var roles = await _service.ToggleAarAsync(ctx.Guild.Id, role.Id);
+            if (roles.Count == 0)
+                await ReplyConfirmLocalizedAsync(strs.aar_disabled);
+            else if (roles.Contains(role.Id))
+                await AutoAssignRole();
+            else
+                await ReplyConfirmLocalizedAsync(strs.aar_role_removed(Format.Bold(role.ToString())));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        public async Task AutoAssignRole()
+        {
+            if (!_service.TryGetRoles(ctx.Guild.Id, out var roles))
+            {
+                await ReplyConfirmLocalizedAsync(strs.aar_none);
+                return;
+            }
+
+            var existing = roles.Select(rid => ctx.Guild.GetRole(rid)).Where(r => r is not null).ToList();
+
+            if (existing.Count != roles.Count)
+                await _service.SetAarRolesAsync(ctx.Guild.Id, existing.Select(x => x.Id));
+
+            await ReplyConfirmLocalizedAsync(strs.aar_roles(
+                '\n' + existing.Select(x => Format.Bold(x.ToString())).Join(",\n")));
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/AutoAssignableRoles/AutoAssignRoleService.cs

@@ -0,0 +1,159 @@
+#nullable disable
+using NadekoBot.Services.Database.Models;
+using System.Net;
+using System.Threading.Channels;
+using LinqToDB;
+using Microsoft.EntityFrameworkCore;
+using NadekoBot.Db;
+
+namespace NadekoBot.Modules.Administration.Services;
+
+public sealed class AutoAssignRoleService : INService
+{
+    private readonly DiscordSocketClient _client;
+    private readonly DbService _db;
+
+    //guildid/roleid
+    private readonly ConcurrentDictionary<ulong, IReadOnlyList<ulong>> _autoAssignableRoles;
+
+    private readonly Channel<SocketGuildUser> _assignQueue = Channel.CreateBounded<SocketGuildUser>(
+        new BoundedChannelOptions(100)
+        {
+            FullMode = BoundedChannelFullMode.DropOldest,
+            SingleReader = true,
+            SingleWriter = false
+        });
+
+    public AutoAssignRoleService(DiscordSocketClient client, IBot bot, DbService db)
+    {
+        _client = client;
+        _db = db;
+
+        _autoAssignableRoles = bot.AllGuildConfigs.Where(x => !string.IsNullOrWhiteSpace(x.AutoAssignRoleIds))
+                                  .ToDictionary<GuildConfig, ulong, IReadOnlyList<ulong>>(k => k.GuildId,
+                                      v => v.GetAutoAssignableRoles())
+                                  .ToConcurrent();
+
+        _ = Task.Run(async () =>
+        {
+            while (true)
+            {
+                var user = await _assignQueue.Reader.ReadAsync();
+                if (!_autoAssignableRoles.TryGetValue(user.Guild.Id, out var savedRoleIds))
+                    continue;
+
+                try
+                {
+                    var roleIds = savedRoleIds.Select(roleId => user.Guild.GetRole(roleId))
+                                              .Where(x => x is not null)
+                                              .ToList();
+
+                    if (roleIds.Any())
+                    {
+                        await user.AddRolesAsync(roleIds);
+                        await Task.Delay(250);
+                    }
+                    else
+                    {
+                        Log.Warning(
+                            "Disabled 'Auto assign role' feature on {GuildName} [{GuildId}] server the roles dont exist",
+                            user.Guild.Name,
+                            user.Guild.Id);
+
+                        await DisableAarAsync(user.Guild.Id);
+                    }
+                }
+                catch (HttpException ex) when (ex.HttpCode == HttpStatusCode.Forbidden)
+                {
+                    Log.Warning(
+                        "Disabled 'Auto assign role' feature on {GuildName} [{GuildId}] server because I don't have role management permissions",
+                        user.Guild.Name,
+                        user.Guild.Id);
+
+                    await DisableAarAsync(user.Guild.Id);
+                }
+                catch (Exception ex)
+                {
+                    Log.Warning(ex, "Error in aar. Probably one of the roles doesn't exist");
+                }
+            }
+        });
+
+        _client.UserJoined += OnClientOnUserJoined;
+        _client.RoleDeleted += OnClientRoleDeleted;
+    }
+
+    private async Task OnClientRoleDeleted(SocketRole role)
+    {
+        if (_autoAssignableRoles.TryGetValue(role.Guild.Id, out var roles) && roles.Contains(role.Id))
+            await ToggleAarAsync(role.Guild.Id, role.Id);
+    }
+
+    private async Task OnClientOnUserJoined(SocketGuildUser user)
+    {
+        if (_autoAssignableRoles.TryGetValue(user.Guild.Id, out _))
+            await _assignQueue.Writer.WriteAsync(user);
+    }
+
+    public async Task<IReadOnlyList<ulong>> ToggleAarAsync(ulong guildId, ulong roleId)
+    {
+        await using var uow = _db.GetDbContext();
+        var gc = uow.GuildConfigsForId(guildId, set => set);
+        var roles = gc.GetAutoAssignableRoles();
+        if (!roles.Remove(roleId) && roles.Count < 3)
+            roles.Add(roleId);
+
+        gc.SetAutoAssignableRoles(roles);
+        await uow.SaveChangesAsync();
+
+        if (roles.Count > 0)
+            _autoAssignableRoles[guildId] = roles;
+        else
+            _autoAssignableRoles.TryRemove(guildId, out _);
+
+        return roles;
+    }
+
+    public async Task DisableAarAsync(ulong guildId)
+    {
+        await using var uow = _db.GetDbContext();
+
+        await uow.GuildConfigs.AsNoTracking()
+                 .Where(x => x.GuildId == guildId)
+                 .UpdateAsync(_ => new()
+                 {
+                     AutoAssignRoleIds = null
+                 });
+
+        _autoAssignableRoles.TryRemove(guildId, out _);
+
+        await uow.SaveChangesAsync();
+    }
+
+    public async Task SetAarRolesAsync(ulong guildId, IEnumerable<ulong> newRoles)
+    {
+        await using var uow = _db.GetDbContext();
+
+        var gc = uow.GuildConfigsForId(guildId, set => set);
+        gc.SetAutoAssignableRoles(newRoles);
+
+        await uow.SaveChangesAsync();
+    }
+
+    public bool TryGetRoles(ulong guildId, out IReadOnlyList<ulong> roles)
+        => _autoAssignableRoles.TryGetValue(guildId, out roles);
+}
+
+public static class GuildConfigExtensions
+{
+    public static List<ulong> GetAutoAssignableRoles(this GuildConfig gc)
+    {
+        if (string.IsNullOrWhiteSpace(gc.AutoAssignRoleIds))
+            return new();
+
+        return gc.AutoAssignRoleIds.Split(',').Select(ulong.Parse).ToList();
+    }
+
+    public static void SetAutoAssignableRoles(this GuildConfig gc, IEnumerable<ulong> roles)
+        => gc.AutoAssignRoleIds = roles.Join(',');
+}

src/Nadeko.Bot.Modules.Administration/AutoPublishService.cs

@@ -0,0 +1,87 @@
+#nullable disable
+using LinqToDB;
+using LinqToDB.EntityFrameworkCore;
+using NadekoBot.Common.ModuleBehaviors;
+using NadekoBot.Db.Models;
+
+namespace NadekoBot.Modules.Administration.Services;
+
+public class AutoPublishService : IExecNoCommand, IReadyExecutor, INService
+{
+    private readonly DbService _db;
+    private readonly DiscordSocketClient _client;
+    private readonly IBotCredsProvider _creds;
+    private ConcurrentDictionary<ulong, ulong> _enabled;
+
+    public AutoPublishService(DbService db, DiscordSocketClient client, IBotCredsProvider creds)
+    {
+        _db = db;
+        _client = client;
+        _creds = creds;
+    } 
+    
+    public async Task ExecOnNoCommandAsync(IGuild guild, IUserMessage msg)
+    {
+        if (guild is null)
+            return;
+        
+        if (msg.Channel.GetChannelType() != ChannelType.News)
+            return;
+
+        if (!_enabled.TryGetValue(guild.Id, out var cid) || cid != msg.Channel.Id)
+            return;
+        
+        await msg.CrosspostAsync(new RequestOptions()
+        {
+            RetryMode = RetryMode.AlwaysFail
+        });
+    }
+
+    public async Task OnReadyAsync()
+    {
+        var creds = _creds.GetCreds();
+        
+        await using var ctx = _db.GetDbContext();
+        var items = await ctx.GetTable<AutoPublishChannel>()
+            .Where(x => Linq2DbExpressions.GuildOnShard(x.GuildId, creds.TotalShards, _client.ShardId))
+            .ToListAsyncLinqToDB();
+
+        _enabled = items
+            .ToDictionary(x => x.GuildId, x => x.ChannelId)
+            .ToConcurrent();
+    }
+    
+    public async Task<bool> ToggleAutoPublish(ulong guildId, ulong channelId)
+    {
+        await using var ctx = _db.GetDbContext();
+        var deleted = await ctx.GetTable<AutoPublishChannel>()
+            .DeleteAsync(x => x.GuildId == guildId && x.ChannelId == channelId);
+
+        if (deleted != 0)
+        {
+            _enabled.TryRemove(guildId, out _);
+            return false;
+        }
+
+        await ctx.GetTable<AutoPublishChannel>()
+            .InsertOrUpdateAsync(() => new()
+                {
+                    GuildId = guildId,
+                    ChannelId = channelId,
+                    DateAdded = DateTime.UtcNow,
+                },
+                old => new()
+                {
+                    ChannelId = channelId,
+                    DateAdded = DateTime.UtcNow,
+                },
+                () => new()
+                {
+                    GuildId = guildId
+                });
+        
+        _enabled[guildId] = channelId;
+
+        return true;
+    }
+}

src/Nadeko.Bot.Modules.Administration/DangerousCommands/DangerousCommands.cs

@@ -0,0 +1,130 @@
+#nullable disable
+using NadekoBot.Modules.Administration.Services;
+
+#if !GLOBAL_NADEKO
+namespace NadekoBot.Modules.Administration
+{
+    public partial class Administration
+    {
+        [Group]
+        [OwnerOnly]
+        public partial class DangerousCommands : NadekoModule<DangerousCommandsService>
+        {
+            private async Task ConfirmActionInternalAsync(string name, Func<Task> action)
+            {
+                try
+                {
+                    var embed = _eb.Create()
+                                   .WithTitle(GetText(strs.sql_confirm_exec))
+                                   .WithDescription(name);
+
+                    if (!await PromptUserConfirmAsync(embed))
+                        return;
+
+                    await action();
+                    await ctx.OkAsync();
+                }
+                catch (Exception ex)
+                {
+                    await SendErrorAsync(ex.ToString());
+                }
+            }
+            
+            [Cmd]
+            [OwnerOnly]
+            public Task SqlSelect([Leftover] string sql)
+            {
+                var result = _service.SelectSql(sql);
+
+                return ctx.SendPaginatedConfirmAsync(0,
+                    cur =>
+                    {
+                        var items = result.Results.Skip(cur * 20).Take(20).ToList();
+
+                        if (!items.Any())
+                            return _eb.Create().WithErrorColor().WithFooter(sql).WithDescription("-");
+
+                        return _eb.Create()
+                                  .WithOkColor()
+                                  .WithFooter(sql)
+                                  .WithTitle(string.Join(" ║ ", result.ColumnNames))
+                                  .WithDescription(string.Join('\n', items.Select(x => string.Join(" ║ ", x))));
+                    },
+                    result.Results.Count,
+                    20);
+            }
+
+            [Cmd]
+            [OwnerOnly]
+            public async Task SqlExec([Leftover] string sql)
+            {
+                try
+                {
+                    var embed = _eb.Create()
+                                   .WithTitle(GetText(strs.sql_confirm_exec))
+                                   .WithDescription(Format.Code(sql));
+
+                    if (!await PromptUserConfirmAsync(embed))
+                        return;
+
+                    var res = await _service.ExecuteSql(sql);
+                    await SendConfirmAsync(res.ToString());
+                }
+                catch (Exception ex)
+                {
+                    await SendErrorAsync(ex.ToString());
+                }
+            }
+
+            [Cmd]
+            [OwnerOnly]
+            public Task DeleteWaifus()
+                => ConfirmActionInternalAsync("Delete Waifus", () => _service.DeleteWaifus());
+
+            [Cmd]
+            [OwnerOnly]
+            public async Task DeleteWaifu(IUser user)
+                => await DeleteWaifu(user.Id);
+
+            [Cmd]
+            [OwnerOnly]
+            public Task DeleteWaifu(ulong userId)
+                => ConfirmActionInternalAsync($"Delete Waifu {userId}", () => _service.DeleteWaifu(userId));
+
+            [Cmd]
+            [OwnerOnly]
+            public Task DeleteCurrency()
+                => ConfirmActionInternalAsync("Delete Currency", () => _service.DeleteCurrency());
+
+            [Cmd]
+            [OwnerOnly]
+            public Task DeletePlaylists()
+                => ConfirmActionInternalAsync("Delete Playlists", () => _service.DeletePlaylists());
+
+            [Cmd]
+            [OwnerOnly]
+            public Task DeleteXp()
+                => ConfirmActionInternalAsync("Delete Xp", () => _service.DeleteXp());
+
+            [Cmd]
+            [OwnerOnly]
+            public async Task PurgeUser(ulong userId)
+            {
+                var embed = _eb.Create()
+                               .WithDescription(GetText(strs.purge_user_confirm(Format.Bold(userId.ToString()))));
+
+                if (!await PromptUserConfirmAsync(embed))
+                    return;
+
+                await _service.PurgeUserAsync(userId);
+                await ctx.OkAsync();
+            }
+
+            [Cmd]
+            [OwnerOnly]
+            public Task PurgeUser([Leftover] IUser user)
+                => PurgeUser(user.Id);
+        }
+    }
+}
+#endif

src/Nadeko.Bot.Modules.Administration/DangerousCommands/DangerousCommandsService.cs

@@ -0,0 +1,172 @@
+#nullable disable
+using LinqToDB;
+using LinqToDB.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore;
+using NadekoBot.Db.Models;
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Modules.Administration.Services;
+
+public class DangerousCommandsService : INService
+{
+    private readonly DbService _db;
+
+    public DangerousCommandsService(DbService db)
+        => _db = db;
+
+    public async Task DeleteXp()
+    {
+        await using var ctx = _db.GetDbContext();
+        await ctx.DiscordUser.UpdateAsync(_ => new DiscordUser()
+        {
+            ClubId = null,
+            // IsClubAdmin = false,
+            TotalXp = 0
+        });
+
+        await ctx.UserXpStats.DeleteAsync();
+        await ctx.ClubApplicants.DeleteAsync();
+        await ctx.ClubBans.DeleteAsync();
+        await ctx.Clubs.DeleteAsync();
+        await ctx.SaveChangesAsync();
+    }
+    
+    public async Task DeleteWaifus()
+    {
+        await using var ctx = _db.GetDbContext();
+        await ctx.WaifuUpdates.DeleteAsync();
+        await ctx.WaifuItem.DeleteAsync();
+        await ctx.WaifuInfo.DeleteAsync();
+        await ctx.SaveChangesAsync();
+    }
+
+    public async Task DeleteWaifu(ulong userId)
+    {
+        await using var ctx = _db.GetDbContext();
+        await ctx.WaifuUpdates
+                 .Where(x => x.User.UserId == userId)
+                 .DeleteAsync();
+        await ctx.WaifuItem
+                 .Where(x => x.WaifuInfo.Waifu.UserId == userId)
+                 .DeleteAsync();
+        await ctx.WaifuInfo
+                 .Where(x => x.Claimer.UserId == userId)
+                 .UpdateAsync(old => new WaifuInfo()
+                 {
+                     ClaimerId = null,
+                 });
+        await ctx.WaifuInfo
+                 .Where(x => x.Waifu.UserId == userId)
+                 .DeleteAsync();
+        await ctx.SaveChangesAsync();
+    }
+    
+    public async Task DeletePlaylists()
+    {
+        await using var ctx = _db.GetDbContext();
+        await ctx.MusicPlaylists.DeleteAsync();
+        await ctx.SaveChangesAsync();
+    }
+
+    public async Task DeleteCurrency()
+    {
+        await using var ctx = _db.GetDbContext();
+        await ctx.DiscordUser.UpdateAsync(_ => new DiscordUser()
+        {
+            CurrencyAmount = 0
+        });
+
+        await ctx.CurrencyTransactions.DeleteAsync();
+        await ctx.PlantedCurrency.DeleteAsync();
+        await ctx.BankUsers.DeleteAsync();
+        await ctx.SaveChangesAsync();
+    }
+
+    public async Task<int> ExecuteSql(string sql)
+    {
+        int res;
+        await using var uow = _db.GetDbContext();
+        res = await uow.Database.ExecuteSqlRawAsync(sql);
+        return res;
+    }
+
+    public SelectResult SelectSql(string sql)
+    {
+        var result = new SelectResult
+        {
+            ColumnNames = new(),
+            Results = new()
+        };
+
+        using var uow = _db.GetDbContext();
+        var conn = uow.Database.GetDbConnection();
+        conn.Open();
+        using var cmd = conn.CreateCommand();
+        cmd.CommandText = sql;
+        using var reader = cmd.ExecuteReader();
+        if (reader.HasRows)
+        {
+            for (var i = 0; i < reader.FieldCount; i++)
+                result.ColumnNames.Add(reader.GetName(i));
+            while (reader.Read())
+            {
+                var obj = new object[reader.FieldCount];
+                reader.GetValues(obj);
+                result.Results.Add(obj.Select(x => x.ToString()).ToArray());
+            }
+        }
+
+        return result;
+    }
+
+    public async Task PurgeUserAsync(ulong userId)
+    {
+        await using var uow = _db.GetDbContext();
+
+        // get waifu info
+        var wi = await uow.Set<WaifuInfo>().FirstOrDefaultAsyncEF(x => x.Waifu.UserId == userId);
+
+        // if it exists, delete waifu related things
+        if (wi is not null)
+        {
+            // remove updates which have new or old as this waifu
+            await uow.WaifuUpdates.DeleteAsync(wu => wu.New.UserId == userId || wu.Old.UserId == userId);
+
+            // delete all items this waifu owns
+            await uow.Set<WaifuItem>().DeleteAsync(x => x.WaifuInfoId == wi.Id);
+
+            // all waifus this waifu claims are released
+            await uow.Set<WaifuInfo>()
+                     .AsQueryable()
+                     .Where(x => x.Claimer.UserId == userId)
+                     .UpdateAsync(x => new()
+                     {
+                         ClaimerId = null
+                     });
+
+            // all affinities set to this waifu are reset
+            await uow.Set<WaifuInfo>()
+                     .AsQueryable()
+                     .Where(x => x.Affinity.UserId == userId)
+                     .UpdateAsync(x => new()
+                     {
+                         AffinityId = null
+                     });
+        }
+
+        // delete guild xp
+        await uow.UserXpStats.DeleteAsync(x => x.UserId == userId);
+
+        // delete currency transactions
+        await uow.Set<CurrencyTransaction>().DeleteAsync(x => x.UserId == userId);
+
+        // delete user, currency, and clubs go away with it
+        await uow.DiscordUser.DeleteAsync(u => u.UserId == userId);
+    }
+
+    public class SelectResult
+    {
+        public List<string> ColumnNames { get; set; }
+        public List<string[]> Results { get; set; }
+    }
+}

src/Nadeko.Bot.Modules.Administration/GameVoiceChannel/GameVoiceChannelCommands.cs

@@ -0,0 +1,36 @@
+#nullable disable
+using NadekoBot.Modules.Administration.Services;
+
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration
+{
+    [Group]
+    public partial class GameVoiceChannelCommands : NadekoModule<GameVoiceChannelService>
+    {
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [BotPerm(GuildPerm.MoveMembers)]
+        public async Task GameVoiceChannel()
+        {
+            var vch = ((IGuildUser)ctx.User).VoiceChannel;
+
+            if (vch is null)
+            {
+                await ReplyErrorLocalizedAsync(strs.not_in_voice);
+                return;
+            }
+
+            var id = _service.ToggleGameVoiceChannel(ctx.Guild.Id, vch.Id);
+
+            if (id is null)
+                await ReplyConfirmLocalizedAsync(strs.gvc_disabled);
+            else
+            {
+                _service.GameVoiceChannels.Add(vch.Id);
+                await ReplyConfirmLocalizedAsync(strs.gvc_enabled(Format.Bold(vch.Name)));
+            }
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/GameVoiceChannel/GameVoiceChannelService.cs

@@ -0,0 +1,127 @@
+#nullable disable
+using NadekoBot.Db;
+
+namespace NadekoBot.Modules.Administration.Services;
+
+public class GameVoiceChannelService : INService
+{
+    public ConcurrentHashSet<ulong> GameVoiceChannels { get; }
+
+    private readonly DbService _db;
+    private readonly DiscordSocketClient _client;
+
+    public GameVoiceChannelService(DiscordSocketClient client, DbService db, IBot bot)
+    {
+        _db = db;
+        _client = client;
+
+        GameVoiceChannels = new(bot.AllGuildConfigs
+                                   .Where(gc => gc.GameVoiceChannel is not null)
+                                   .Select(gc => gc.GameVoiceChannel!.Value));
+
+        _client.UserVoiceStateUpdated += OnUserVoiceStateUpdated;
+        _client.PresenceUpdated += OnPresenceUpdate;
+    }
+
+    private Task OnPresenceUpdate(SocketUser socketUser, SocketPresence before, SocketPresence after)
+    {
+        _ = Task.Run(async () =>
+        {
+            try
+            {
+                if (socketUser is not SocketGuildUser newUser)
+                    return;
+                // if the user is in the voice channel and that voice channel is gvc
+
+                if (newUser.VoiceChannel is not { } vc
+                    || !GameVoiceChannels.Contains(vc.Id))
+                    return;
+
+                //if the activity has changed, and is a playi1ng activity
+                foreach (var activity in after.Activities)
+                {
+                    if (activity is { Type: ActivityType.Playing })
+                        //trigger gvc
+                    {
+                        if (await TriggerGvc(newUser, activity.Name))
+                            return;
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                Log.Warning(ex, "Error running GuildMemberUpdated in gvc");
+            }
+        });
+        return Task.CompletedTask;
+    }
+
+    public ulong? ToggleGameVoiceChannel(ulong guildId, ulong vchId)
+    {
+        ulong? id;
+        using var uow = _db.GetDbContext();
+        var gc = uow.GuildConfigsForId(guildId, set => set);
+
+        if (gc.GameVoiceChannel == vchId)
+        {
+            GameVoiceChannels.TryRemove(vchId);
+            id = gc.GameVoiceChannel = null;
+        }
+        else
+        {
+            if (gc.GameVoiceChannel is not null)
+                GameVoiceChannels.TryRemove(gc.GameVoiceChannel.Value);
+            GameVoiceChannels.Add(vchId);
+            id = gc.GameVoiceChannel = vchId;
+        }
+
+        uow.SaveChanges();
+        return id;
+    }
+
+    private Task OnUserVoiceStateUpdated(SocketUser usr, SocketVoiceState oldState, SocketVoiceState newState)
+    {
+        _ = Task.Run(async () =>
+        {
+            try
+            {
+                if (usr is not SocketGuildUser gUser)
+                    return;
+
+                if (newState.VoiceChannel is null)
+                    return;
+
+                if (!GameVoiceChannels.Contains(newState.VoiceChannel.Id))
+                    return;
+
+                foreach (var game in gUser.Activities.Select(x => x.Name))
+                {
+                    if (await TriggerGvc(gUser, game))
+                        return;
+                }
+            }
+            catch (Exception ex)
+            {
+                Log.Warning(ex, "Error running VoiceStateUpdate in gvc");
+            }
+        });
+
+        return Task.CompletedTask;
+    }
+
+    private async Task<bool> TriggerGvc(SocketGuildUser gUser, string game)
+    {
+        if (string.IsNullOrWhiteSpace(game))
+            return false;
+
+        game = game.TrimTo(50)!.ToLowerInvariant();
+        var vch = gUser.Guild.VoiceChannels.FirstOrDefault(x => x.Name.ToLowerInvariant() == game);
+
+        if (vch is null)
+            return false;
+
+        await Task.Delay(1000);
+        await gUser.ModifyAsync(gu => gu.Channel = vch);
+        return true;
+    }
+}

src/Nadeko.Bot.Modules.Administration/GlobalUsings.cs

@@ -0,0 +1,32 @@
+// // global using System.Collections.Concurrent;
+global using NonBlocking;
+//
+// // packages
+global using Serilog;
+global using Humanizer;
+global using Newtonsoft;
+//
+// // nadekobot
+// global using NadekoBot;
+global using NadekoBot.Services;
+global using Nadeko.Common; // new project
+global using NadekoBot.Common; // old + nadekobot specific things
+global using NadekoBot.Common.Attributes;
+global using NadekoBot.Extensions;
+// global using Nadeko.Snake;
+
+// discord
+global using Discord;
+global using Discord.Commands;
+global using Discord.Net;
+global using Discord.WebSocket;
+
+// aliases
+global using GuildPerm = Discord.GuildPermission;
+global using ChannelPerm = Discord.ChannelPermission;
+global using BotPermAttribute = Discord.Commands.RequireBotPermissionAttribute;
+global using LeftoverAttribute = Discord.Commands.RemainderAttribute;
+global using TypeReaderResult = NadekoBot.Common.TypeReaders.TypeReaderResult;
+
+// non-essential
+// global using JetBrains.Annotations;

src/Nadeko.Bot.Modules.Administration/GreetBye/GreetCommands.cs

@@ -0,0 +1,229 @@
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration
+{
+    [Group]
+    public partial class GreetCommands : NadekoModule<GreetService>
+    {
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageGuild)]
+        public async Task Boost()
+        {
+            var enabled = await _service.ToggleBoost(ctx.Guild.Id, ctx.Channel.Id);
+
+            if (enabled)
+                await ReplyConfirmLocalizedAsync(strs.boost_on);
+            else
+                await ReplyPendingLocalizedAsync(strs.boost_off);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageGuild)]
+        public async Task BoostDel(int timer = 30)
+        {
+            if (timer is < 0 or > 600)
+                return;
+
+            await _service.SetBoostDel(ctx.Guild.Id, timer);
+
+            if (timer > 0)
+                await ReplyConfirmLocalizedAsync(strs.boostdel_on(timer));
+            else
+                await ReplyPendingLocalizedAsync(strs.boostdel_off);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageGuild)]
+        public async Task BoostMsg([Leftover] string? text = null)
+        {
+            if (string.IsNullOrWhiteSpace(text))
+            {
+                var boostMessage = _service.GetBoostMessage(ctx.Guild.Id);
+                await ReplyConfirmLocalizedAsync(strs.boostmsg_cur(boostMessage?.SanitizeMentions()));
+                return;
+            }
+
+            var sendBoostEnabled = _service.SetBoostMessage(ctx.Guild.Id, ref text);
+
+            await ReplyConfirmLocalizedAsync(strs.boostmsg_new);
+            if (!sendBoostEnabled)
+                await ReplyPendingLocalizedAsync(strs.boostmsg_enable($"`{prefix}boost`"));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageGuild)]
+        public async Task GreetDel(int timer = 30)
+        {
+            if (timer is < 0 or > 600)
+                return;
+
+            await _service.SetGreetDel(ctx.Guild.Id, timer);
+
+            if (timer > 0)
+                await ReplyConfirmLocalizedAsync(strs.greetdel_on(timer));
+            else
+                await ReplyPendingLocalizedAsync(strs.greetdel_off);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageGuild)]
+        public async Task Greet()
+        {
+            var enabled = await _service.SetGreet(ctx.Guild.Id, ctx.Channel.Id);
+
+            if (enabled)
+                await ReplyConfirmLocalizedAsync(strs.greet_on);
+            else
+                await ReplyPendingLocalizedAsync(strs.greet_off);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageGuild)]
+        public async Task GreetMsg([Leftover] string? text = null)
+        {
+            if (string.IsNullOrWhiteSpace(text))
+            {
+                var greetMsg = _service.GetGreetMsg(ctx.Guild.Id);
+                await ReplyConfirmLocalizedAsync(strs.greetmsg_cur(greetMsg?.SanitizeMentions()));
+                return;
+            }
+
+            var sendGreetEnabled = _service.SetGreetMessage(ctx.Guild.Id, ref text);
+
+            await ReplyConfirmLocalizedAsync(strs.greetmsg_new);
+
+            if (!sendGreetEnabled)
+                await ReplyPendingLocalizedAsync(strs.greetmsg_enable($"`{prefix}greet`"));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageGuild)]
+        public async Task GreetDm()
+        {
+            var enabled = await _service.SetGreetDm(ctx.Guild.Id);
+
+            if (enabled)
+                await ReplyConfirmLocalizedAsync(strs.greetdm_on);
+            else
+                await ReplyConfirmLocalizedAsync(strs.greetdm_off);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageGuild)]
+        public async Task GreetDmMsg([Leftover] string? text = null)
+        {
+            if (string.IsNullOrWhiteSpace(text))
+            {
+                var dmGreetMsg = _service.GetDmGreetMsg(ctx.Guild.Id);
+                await ReplyConfirmLocalizedAsync(strs.greetdmmsg_cur(dmGreetMsg?.SanitizeMentions()));
+                return;
+            }
+
+            var sendGreetEnabled = _service.SetGreetDmMessage(ctx.Guild.Id, ref text);
+
+            await ReplyConfirmLocalizedAsync(strs.greetdmmsg_new);
+            if (!sendGreetEnabled)
+                await ReplyPendingLocalizedAsync(strs.greetdmmsg_enable($"`{prefix}greetdm`"));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageGuild)]
+        public async Task Bye()
+        {
+            var enabled = await _service.SetBye(ctx.Guild.Id, ctx.Channel.Id);
+
+            if (enabled)
+                await ReplyConfirmLocalizedAsync(strs.bye_on);
+            else
+                await ReplyConfirmLocalizedAsync(strs.bye_off);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageGuild)]
+        public async Task ByeMsg([Leftover] string? text = null)
+        {
+            if (string.IsNullOrWhiteSpace(text))
+            {
+                var byeMsg = _service.GetByeMessage(ctx.Guild.Id);
+                await ReplyConfirmLocalizedAsync(strs.byemsg_cur(byeMsg?.SanitizeMentions()));
+                return;
+            }
+
+            var sendByeEnabled = _service.SetByeMessage(ctx.Guild.Id, ref text);
+
+            await ReplyConfirmLocalizedAsync(strs.byemsg_new);
+            if (!sendByeEnabled)
+                await ReplyPendingLocalizedAsync(strs.byemsg_enable($"`{prefix}bye`"));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageGuild)]
+        public async Task ByeDel(int timer = 30)
+        {
+            await _service.SetByeDel(ctx.Guild.Id, timer);
+
+            if (timer > 0)
+                await ReplyConfirmLocalizedAsync(strs.byedel_on(timer));
+            else
+                await ReplyPendingLocalizedAsync(strs.byedel_off);
+        }
+
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageGuild)]
+        [Ratelimit(5)]
+        public async Task ByeTest([Leftover] IGuildUser? user = null)
+        {
+            user ??= (IGuildUser)ctx.User;
+
+            await _service.ByeTest((ITextChannel)ctx.Channel, user);
+            var enabled = _service.GetByeEnabled(ctx.Guild.Id);
+            if (!enabled)
+                await ReplyPendingLocalizedAsync(strs.byemsg_enable($"`{prefix}bye`"));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageGuild)]
+        [Ratelimit(5)]
+        public async Task GreetTest([Leftover] IGuildUser? user = null)
+        {
+            user ??= (IGuildUser)ctx.User;
+
+            await _service.GreetTest((ITextChannel)ctx.Channel, user);
+            var enabled = _service.GetGreetEnabled(ctx.Guild.Id);
+            if (!enabled)
+                await ReplyPendingLocalizedAsync(strs.greetmsg_enable($"`{prefix}greet`"));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageGuild)]
+        [Ratelimit(5)]
+        public async Task GreetDmTest([Leftover] IGuildUser? user = null)
+        {
+            user ??= (IGuildUser)ctx.User;
+
+            var success = await _service.GreetDmTest(user);
+            if (success)
+                await ctx.OkAsync();
+            else
+                await ctx.WarningAsync();
+            var enabled = _service.GetGreetDmEnabled(ctx.Guild.Id);
+            if (!enabled)
+                await ReplyPendingLocalizedAsync(strs.greetdmmsg_enable($"`{prefix}greetdm`"));
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/GreetBye/GreetGrouper.cs

@@ -0,0 +1,71 @@
+namespace NadekoBot.Services;
+
+public class GreetGrouper<T>
+{
+    private readonly Dictionary<ulong, HashSet<T>> _group;
+    private readonly object _locker = new();
+
+    public GreetGrouper()
+        => _group = new();
+
+
+    /// <summary>
+    ///     Creates a group, if group already exists, adds the specified user
+    /// </summary>
+    /// <param name="guildId">Id of the server for which to create group for</param>
+    /// <param name="toAddIfExists">User to add if group already exists</param>
+    /// <returns></returns>
+    public bool CreateOrAdd(ulong guildId, T toAddIfExists)
+    {
+        lock (_locker)
+        {
+            if (_group.TryGetValue(guildId, out var list))
+            {
+                list.Add(toAddIfExists);
+                return false;
+            }
+
+            _group[guildId] = new();
+            return true;
+        }
+    }
+
+    /// <summary>
+    ///     Remove the specified amount of items from the group. If all items are removed, group will be removed.
+    /// </summary>
+    /// <param name="guildId">Id of the group</param>
+    /// <param name="count">Maximum number of items to retrieve</param>
+    /// <param name="items">Items retrieved</param>
+    /// <returns>Whether the group has no more items left and is deleted</returns>
+    public bool ClearGroup(ulong guildId, int count, out IReadOnlyCollection<T> items)
+    {
+        lock (_locker)
+        {
+            if (_group.TryGetValue(guildId, out var set))
+            {
+                // if we want more than there are, return everything
+                if (count >= set.Count)
+                {
+                    items = set;
+                    _group.Remove(guildId);
+                    return true;
+                }
+
+                // if there are more in the group than what's needed
+                // take the requested number, remove them from the set
+                // and return them
+                var toReturn = set.TakeWhile(_ => count-- != 0).ToList();
+                foreach (var item in toReturn)
+                    set.Remove(item);
+
+                items = toReturn;
+                // returning falsemeans group is not yet deleted
+                // because there are items left
+                return false;
+            }
+
+            items = Array.Empty<T>();
+            return true;
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/GreetBye/GreetService.cs

@@ -0,0 +1,619 @@
+using NadekoBot.Common.ModuleBehaviors;
+using NadekoBot.Db;
+using NadekoBot.Services.Database.Models;
+using System.Threading.Channels;
+
+namespace NadekoBot.Services;
+
+public class GreetService : INService, IReadyExecutor
+{
+    public bool GroupGreets
+        => _bss.Data.GroupGreets;
+
+    private readonly DbService _db;
+
+    private readonly ConcurrentDictionary<ulong, GreetSettings> _guildConfigsCache;
+    private readonly DiscordSocketClient _client;
+
+    private readonly GreetGrouper<IGuildUser> _greets = new();
+    private readonly GreetGrouper<IUser> _byes = new();
+    private readonly BotConfigService _bss;
+
+    public GreetService(
+        DiscordSocketClient client,
+        IBot bot,
+        DbService db,
+        BotConfigService bss)
+    {
+        _db = db;
+        _client = client;
+        _bss = bss;
+
+        _guildConfigsCache = new(bot.AllGuildConfigs.ToDictionary(g => g.GuildId, GreetSettings.Create));
+
+        _client.UserJoined += OnUserJoined;
+        _client.UserLeft += OnUserLeft;
+
+        bot.JoinedGuild += OnBotJoinedGuild;
+        _client.LeftGuild += OnClientLeftGuild;
+
+        _client.GuildMemberUpdated += ClientOnGuildMemberUpdated;
+    }
+
+    public async Task OnReadyAsync()
+    {
+        while (true)
+        {
+            var (conf, user, compl) = await _greetDmQueue.Reader.ReadAsync();
+            var res = await GreetDmUserInternal(conf, user);
+            compl.TrySetResult(res);
+            await Task.Delay(2000);
+        }
+    }
+
+    private Task ClientOnGuildMemberUpdated(Cacheable<SocketGuildUser, ulong> optOldUser, SocketGuildUser newUser)
+    {
+        // if user is a new booster
+        // or boosted again the same server
+        if ((optOldUser.Value is { PremiumSince: null } && newUser is { PremiumSince: not null })
+            || (optOldUser.Value?.PremiumSince is { } oldDate
+                && newUser.PremiumSince is { } newDate
+                && newDate > oldDate))
+        {
+            var conf = GetOrAddSettingsForGuild(newUser.Guild.Id);
+            if (!conf.SendBoostMessage)
+                return Task.CompletedTask;
+
+            _ = Task.Run(TriggerBoostMessage(conf, newUser));
+        }
+
+        return Task.CompletedTask;
+    }
+
+    private Func<Task> TriggerBoostMessage(GreetSettings conf, SocketGuildUser user)
+        => async () =>
+        {
+            var channel = user.Guild.GetTextChannel(conf.BoostMessageChannelId);
+            if (channel is null)
+                return;
+
+            if (string.IsNullOrWhiteSpace(conf.BoostMessage))
+                return;
+
+            var toSend = SmartText.CreateFrom(conf.BoostMessage);
+            var rep = new ReplacementBuilder().WithDefault(user, channel, user.Guild, _client).Build();
+
+            try
+            {
+                var toDelete = await channel.SendAsync(rep.Replace(toSend));
+                if (conf.BoostMessageDeleteAfter > 0)
+                    toDelete.DeleteAfter(conf.BoostMessageDeleteAfter);
+            }
+            catch (Exception ex)
+            {
+                Log.Error(ex, "Error sending boost message");
+            }
+        };
+
+    private Task OnClientLeftGuild(SocketGuild arg)
+    {
+        _guildConfigsCache.TryRemove(arg.Id, out _);
+        return Task.CompletedTask;
+    }
+
+    private Task OnBotJoinedGuild(GuildConfig gc)
+    {
+        _guildConfigsCache[gc.GuildId] = GreetSettings.Create(gc);
+        return Task.CompletedTask;
+    }
+
+    private Task OnUserLeft(SocketGuild guild, SocketUser user)
+    {
+        _ = Task.Run(async () =>
+        {
+            try
+            {
+                var conf = GetOrAddSettingsForGuild(guild.Id);
+
+                if (!conf.SendChannelByeMessage)
+                    return;
+                var channel = guild.TextChannels.FirstOrDefault(c => c.Id == conf.ByeMessageChannelId);
+
+                if (channel is null) //maybe warn the server owner that the channel is missing
+                    return;
+
+                if (GroupGreets)
+                {
+                    // if group is newly created, greet that user right away,
+                    // but any user which joins in the next 5 seconds will
+                    // be greeted in a group greet
+                    if (_byes.CreateOrAdd(guild.Id, user))
+                    {
+                        // greet single user
+                        await ByeUsers(conf, channel, new[] { user });
+                        var groupClear = false;
+                        while (!groupClear)
+                        {
+                            await Task.Delay(5000);
+                            groupClear = _byes.ClearGroup(guild.Id, 5, out var toBye);
+                            await ByeUsers(conf, channel, toBye);
+                        }
+                    }
+                }
+                else
+                    await ByeUsers(conf, channel, new[] { user });
+            }
+            catch
+            {
+                // ignored
+            }
+        });
+        return Task.CompletedTask;
+    }
+
+    public string? GetDmGreetMsg(ulong id)
+    {
+        using var uow = _db.GetDbContext();
+        return uow.GuildConfigsForId(id, set => set).DmGreetMessageText;
+    }
+
+    public string? GetGreetMsg(ulong gid)
+    {
+        using var uow = _db.GetDbContext();
+        return uow.GuildConfigsForId(gid, set => set).ChannelGreetMessageText;
+    }
+
+    public string? GetBoostMessage(ulong gid)
+    {
+        using var uow = _db.GetDbContext();
+        return uow.GuildConfigsForId(gid, set => set).BoostMessage;
+    }
+
+    private Task ByeUsers(GreetSettings conf, ITextChannel channel, IUser user)
+        => ByeUsers(conf, channel, new[] { user });
+
+    private async Task ByeUsers(GreetSettings conf, ITextChannel channel, IReadOnlyCollection<IUser> users)
+    {
+        if (!users.Any())
+            return;
+
+        var rep = new ReplacementBuilder().WithChannel(channel)
+                                          .WithClient(_client)
+                                          .WithServer(_client, (SocketGuild)channel.Guild)
+                                          .WithManyUsers(users)
+                                          .Build();
+
+        var text = SmartText.CreateFrom(conf.ChannelByeMessageText);
+        text = rep.Replace(text);
+        try
+        {
+            var toDelete = await channel.SendAsync(text);
+            if (conf.AutoDeleteByeMessagesTimer > 0)
+                toDelete.DeleteAfter(conf.AutoDeleteByeMessagesTimer);
+        }
+        catch (HttpException ex) when (ex.DiscordCode == DiscordErrorCode.InsufficientPermissions || ex.DiscordCode == DiscordErrorCode.UnknownChannel)
+        {
+            Log.Warning(ex, "Missing permissions to send a bye message, the bye message will be disabled on server: {GuildId}", channel.GuildId);
+            await SetBye(channel.GuildId, channel.Id, false);
+        }
+        catch (Exception ex)
+        {
+            Log.Warning(ex, "Error embeding bye message");
+        }
+    }
+
+    private Task GreetUsers(GreetSettings conf, ITextChannel channel, IGuildUser user)
+        => GreetUsers(conf, channel, new[] { user });
+
+    private async Task GreetUsers(GreetSettings conf, ITextChannel channel, IReadOnlyCollection<IGuildUser> users)
+    {
+        if (users.Count == 0)
+            return;
+
+        var rep = new ReplacementBuilder().WithChannel(channel)
+                                          .WithClient(_client)
+                                          .WithServer(_client, (SocketGuild)channel.Guild)
+                                          .WithManyUsers(users)
+                                          .Build();
+
+        var text = SmartText.CreateFrom(conf.ChannelGreetMessageText);
+        text = rep.Replace(text);
+        try
+        {
+            var toDelete = await channel.SendAsync(text);
+            if (conf.AutoDeleteGreetMessagesTimer > 0)
+                toDelete.DeleteAfter(conf.AutoDeleteGreetMessagesTimer);
+        }
+        catch (HttpException ex) when (ex.DiscordCode == DiscordErrorCode.InsufficientPermissions || ex.DiscordCode == DiscordErrorCode.UnknownChannel)
+        {
+            Log.Warning(ex, "Missing permissions to send a bye message, the greet message will be disabled on server: {GuildId}", channel.GuildId);
+            await SetGreet(channel.GuildId, channel.Id, false);
+        }
+        catch (Exception ex)
+        {
+            Log.Warning(ex, "Error embeding greet message");
+        }
+    }
+
+    private readonly Channel<(GreetSettings, IGuildUser, TaskCompletionSource<bool>)> _greetDmQueue =
+        Channel.CreateBounded<(GreetSettings, IGuildUser, TaskCompletionSource<bool>)>(new BoundedChannelOptions(60)
+        {
+            // The limit of 60 users should be only hit when there's a raid. In that case 
+            // probably the best thing to do is to drop newest (raiding) users
+            FullMode = BoundedChannelFullMode.DropNewest
+        });
+
+    private async Task<bool> GreetDmUser(GreetSettings conf, IGuildUser user)
+    {
+        var completionSource = new TaskCompletionSource<bool>(TaskCreationOptions.RunContinuationsAsynchronously);
+        await _greetDmQueue.Writer.WriteAsync((conf, user, completionSource));
+        return await completionSource.Task;
+    }
+
+    private async Task<bool> GreetDmUserInternal(GreetSettings conf, IGuildUser user)
+    {
+        try
+        {
+            var rep = new ReplacementBuilder()
+                      .WithUser(user)
+                      .WithServer(_client, (SocketGuild)user.Guild)
+                      .Build();
+
+            var text = SmartText.CreateFrom(conf.DmGreetMessageText);
+            text = rep.Replace(text);
+
+            if (text is SmartPlainText pt)
+            {
+                text = new SmartEmbedText()
+                {
+                    Description = pt.Text
+                };
+            }
+            
+            if (text is SmartEmbedText set)
+            {
+                text = set with
+                {
+                    Footer = CreateFooterSource(user)
+                };
+            }
+            else if (text is SmartEmbedTextArray seta)
+            {
+                // if the greet dm message is a text array
+                var ebElem = seta.Embeds.LastOrDefault();
+                if (ebElem is null)
+                {
+                    // if there are no embeds, add an embed with the footer
+                    text = seta with
+                    {
+                        Embeds = new[]
+                        {
+                            new SmartEmbedArrayElementText()
+                            {
+                                Footer = CreateFooterSource(user)
+                            }
+                        }
+                    };
+                }
+                else
+                {
+                    // if the maximum amount of embeds is reached, edit the last embed
+                    if (seta.Embeds.Length >= 10)
+                    {
+                        seta.Embeds[^1] = seta.Embeds[^1] with
+                        {
+                            Footer = CreateFooterSource(user)
+                        };
+                    }
+                    else
+                    {
+                        // if there is less than 10 embeds, add an embed with footer only
+                        seta.Embeds = seta.Embeds.Append(new SmartEmbedArrayElementText()
+                        {
+                            Footer = CreateFooterSource(user)
+                        }).ToArray();
+                    }
+                }
+            }
+
+            await user.SendAsync(text);
+        }
+        catch
+        {
+            return false;
+        }
+
+        return true;
+    }
+
+    private static SmartTextEmbedFooter CreateFooterSource(IGuildUser user)
+        => new()
+        {
+            Text = $"This message was sent from {user.Guild} server.",
+            IconUrl = user.Guild.IconUrl
+        };
+
+    private Task OnUserJoined(IGuildUser user)
+    {
+        _ = Task.Run(async () =>
+        {
+            try
+            {
+                var conf = GetOrAddSettingsForGuild(user.GuildId);
+
+                if (conf.SendChannelGreetMessage)
+                {
+                    var channel = await user.Guild.GetTextChannelAsync(conf.GreetMessageChannelId);
+                    if (channel is not null)
+                    {
+                        if (GroupGreets)
+                        {
+                            // if group is newly created, greet that user right away,
+                            // but any user which joins in the next 5 seconds will
+                            // be greeted in a group greet
+                            if (_greets.CreateOrAdd(user.GuildId, user))
+                            {
+                                // greet single user
+                                await GreetUsers(conf, channel, new[] { user });
+                                var groupClear = false;
+                                while (!groupClear)
+                                {
+                                    await Task.Delay(5000);
+                                    groupClear = _greets.ClearGroup(user.GuildId, 5, out var toGreet);
+                                    await GreetUsers(conf, channel, toGreet);
+                                }
+                            }
+                        }
+                        else
+                            await GreetUsers(conf, channel, new[] { user });
+                    }
+                }
+
+                if (conf.SendDmGreetMessage)
+                    await GreetDmUser(conf, user);
+            }
+            catch
+            {
+                // ignored
+            }
+        });
+        return Task.CompletedTask;
+    }
+
+    public string? GetByeMessage(ulong gid)
+    {
+        using var uow = _db.GetDbContext();
+        return uow.GuildConfigsForId(gid, set => set).ChannelByeMessageText;
+    }
+
+    public GreetSettings GetOrAddSettingsForGuild(ulong guildId)
+    {
+        if (_guildConfigsCache.TryGetValue(guildId, out var settings))
+            return settings;
+
+        using (var uow = _db.GetDbContext())
+        {
+            var gc = uow.GuildConfigsForId(guildId, set => set);
+            settings = GreetSettings.Create(gc);
+        }
+
+        _guildConfigsCache.TryAdd(guildId, settings);
+        return settings;
+    }
+
+    public async Task<bool> SetGreet(ulong guildId, ulong channelId, bool? value = null)
+    {
+        await using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set);
+        var enabled = conf.SendChannelGreetMessage = value ?? !conf.SendChannelGreetMessage;
+        conf.GreetMessageChannelId = channelId;
+
+        var toAdd = GreetSettings.Create(conf);
+        _guildConfigsCache[guildId] = toAdd;
+
+        await uow.SaveChangesAsync();
+        return enabled;
+    }
+
+    public bool SetGreetMessage(ulong guildId, ref string message)
+    {
+        message = message.SanitizeMentions();
+
+        if (string.IsNullOrWhiteSpace(message))
+            throw new ArgumentNullException(nameof(message));
+
+        using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set);
+        conf.ChannelGreetMessageText = message;
+        var greetMsgEnabled = conf.SendChannelGreetMessage;
+
+        var toAdd = GreetSettings.Create(conf);
+        _guildConfigsCache.AddOrUpdate(guildId, toAdd, (_, _) => toAdd);
+
+        uow.SaveChanges();
+        return greetMsgEnabled;
+    }
+
+    public async Task<bool> SetGreetDm(ulong guildId, bool? value = null)
+    {
+        await using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set);
+        var enabled = conf.SendDmGreetMessage = value ?? !conf.SendDmGreetMessage;
+
+        var toAdd = GreetSettings.Create(conf);
+        _guildConfigsCache[guildId] = toAdd;
+
+        await uow.SaveChangesAsync();
+        return enabled;
+    }
+
+    public bool SetGreetDmMessage(ulong guildId, ref string? message)
+    {
+        message = message?.SanitizeMentions();
+
+        if (string.IsNullOrWhiteSpace(message))
+            throw new ArgumentNullException(nameof(message));
+
+        using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set);
+        conf.DmGreetMessageText = message;
+
+        var toAdd = GreetSettings.Create(conf);
+        _guildConfigsCache[guildId] = toAdd;
+
+        uow.SaveChanges();
+        return conf.SendDmGreetMessage;
+    }
+
+    public async Task<bool> SetBye(ulong guildId, ulong channelId, bool? value = null)
+    {
+        await using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set);
+        var enabled = conf.SendChannelByeMessage = value ?? !conf.SendChannelByeMessage;
+        conf.ByeMessageChannelId = channelId;
+
+        var toAdd = GreetSettings.Create(conf);
+        _guildConfigsCache[guildId] = toAdd;
+
+        await uow.SaveChangesAsync();
+        return enabled;
+    }
+
+    public bool SetByeMessage(ulong guildId, ref string? message)
+    {
+        message = message?.SanitizeMentions();
+
+        if (string.IsNullOrWhiteSpace(message))
+            throw new ArgumentNullException(nameof(message));
+
+        using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set);
+        conf.ChannelByeMessageText = message;
+
+        var toAdd = GreetSettings.Create(conf);
+        _guildConfigsCache[guildId] = toAdd;
+
+        uow.SaveChanges();
+        return conf.SendChannelByeMessage;
+    }
+
+    public async Task SetByeDel(ulong guildId, int timer)
+    {
+        if (timer is < 0 or > 600)
+            return;
+
+        await using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set);
+        conf.AutoDeleteByeMessagesTimer = timer;
+
+        var toAdd = GreetSettings.Create(conf);
+        _guildConfigsCache[guildId] = toAdd;
+
+        await uow.SaveChangesAsync();
+    }
+
+    public async Task SetGreetDel(ulong guildId, int timer)
+    {
+        if (timer is < 0 or > 600)
+            return;
+
+        await using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set);
+        conf.AutoDeleteGreetMessagesTimer = timer;
+
+        var toAdd = GreetSettings.Create(conf);
+        _guildConfigsCache[guildId] = toAdd;
+
+        await uow.SaveChangesAsync();
+    }
+
+    public bool SetBoostMessage(ulong guildId, ref string message)
+    {
+        message = message.SanitizeMentions();
+
+        using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set);
+        conf.BoostMessage = message;
+
+        var toAdd = GreetSettings.Create(conf);
+        _guildConfigsCache[guildId] = toAdd;
+
+        uow.SaveChanges();
+        return conf.SendBoostMessage;
+    }
+
+    public async Task SetBoostDel(ulong guildId, int timer)
+    {
+        if (timer is < 0 or > 600)
+            throw new ArgumentOutOfRangeException(nameof(timer));
+
+        await using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set);
+        conf.BoostMessageDeleteAfter = timer;
+
+        var toAdd = GreetSettings.Create(conf);
+        _guildConfigsCache[guildId] = toAdd;
+
+        await uow.SaveChangesAsync();
+    }
+
+    public async Task<bool> ToggleBoost(ulong guildId, ulong channelId)
+    {
+        await using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set);
+        conf.SendBoostMessage = !conf.SendBoostMessage;
+        conf.BoostMessageChannelId = channelId;
+        await uow.SaveChangesAsync();
+
+        var toAdd = GreetSettings.Create(conf);
+        _guildConfigsCache[guildId] = toAdd;
+        return conf.SendBoostMessage;
+    }
+
+    #region Get Enabled Status
+
+    public bool GetGreetDmEnabled(ulong guildId)
+    {
+        using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set);
+        return conf.SendDmGreetMessage;
+    }
+
+    public bool GetGreetEnabled(ulong guildId)
+    {
+        using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set);
+        return conf.SendChannelGreetMessage;
+    }
+
+    public bool GetByeEnabled(ulong guildId)
+    {
+        using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set);
+        return conf.SendChannelByeMessage;
+    }
+
+    #endregion
+
+    #region Test Messages
+
+    public Task ByeTest(ITextChannel channel, IGuildUser user)
+    {
+        var conf = GetOrAddSettingsForGuild(user.GuildId);
+        return ByeUsers(conf, channel, user);
+    }
+
+    public Task GreetTest(ITextChannel channel, IGuildUser user)
+    {
+        var conf = GetOrAddSettingsForGuild(user.GuildId);
+        return GreetUsers(conf, channel, user);
+    }
+
+    public Task<bool> GreetDmTest(IGuildUser user)
+    {
+        var conf = GetOrAddSettingsForGuild(user.GuildId);
+        return GreetDmUser(conf, user);
+    }
+
+    #endregion
+}

src/Nadeko.Bot.Modules.Administration/GreetBye/GreetSettings.cs

@@ -0,0 +1,45 @@
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Services;
+
+public class GreetSettings
+{
+    public int AutoDeleteGreetMessagesTimer { get; set; }
+    public int AutoDeleteByeMessagesTimer { get; set; }
+
+    public ulong GreetMessageChannelId { get; set; }
+    public ulong ByeMessageChannelId { get; set; }
+
+    public bool SendDmGreetMessage { get; set; }
+    public string? DmGreetMessageText { get; set; }
+
+    public bool SendChannelGreetMessage { get; set; }
+    public string? ChannelGreetMessageText { get; set; }
+
+    public bool SendChannelByeMessage { get; set; }
+    public string? ChannelByeMessageText { get; set; }
+
+    public bool SendBoostMessage { get; set; }
+    public string? BoostMessage { get; set; }
+    public int BoostMessageDeleteAfter { get; set; }
+    public ulong BoostMessageChannelId { get; set; }
+
+    public static GreetSettings Create(GuildConfig g)
+        => new()
+        {
+            AutoDeleteByeMessagesTimer = g.AutoDeleteByeMessagesTimer,
+            AutoDeleteGreetMessagesTimer = g.AutoDeleteGreetMessagesTimer,
+            GreetMessageChannelId = g.GreetMessageChannelId,
+            ByeMessageChannelId = g.ByeMessageChannelId,
+            SendDmGreetMessage = g.SendDmGreetMessage,
+            DmGreetMessageText = g.DmGreetMessageText,
+            SendChannelGreetMessage = g.SendChannelGreetMessage,
+            ChannelGreetMessageText = g.ChannelGreetMessageText,
+            SendChannelByeMessage = g.SendChannelByeMessage,
+            ChannelByeMessageText = g.ChannelByeMessageText,
+            SendBoostMessage = g.SendBoostMessage,
+            BoostMessage = g.BoostMessage,
+            BoostMessageDeleteAfter = g.BoostMessageDeleteAfter,
+            BoostMessageChannelId = g.BoostMessageChannelId
+        };
+}

src/Nadeko.Bot.Modules.Administration/ImageOnlyChannelService.cs

@@ -0,0 +1,235 @@
+#nullable disable
+using LinqToDB;
+using Microsoft.Extensions.Caching.Memory;
+using NadekoBot.Common.ModuleBehaviors;
+using System.Net;
+using System.Threading.Channels;
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Modules.Administration.Services;
+
+public sealed class SomethingOnlyChannelService : IExecOnMessage
+{
+    public int Priority { get; } = 0;
+    private readonly IMemoryCache _ticketCache;
+    private readonly DiscordSocketClient _client;
+    private readonly DbService _db;
+    private readonly ConcurrentDictionary<ulong, ConcurrentHashSet<ulong>> _imageOnly;
+    private readonly ConcurrentDictionary<ulong, ConcurrentHashSet<ulong>> _linkOnly;
+
+    private readonly Channel<IUserMessage> _deleteQueue = Channel.CreateBounded<IUserMessage>(
+        new BoundedChannelOptions(100)
+        {
+            FullMode = BoundedChannelFullMode.DropOldest,
+            SingleReader = true,
+            SingleWriter = false
+        });
+
+
+    public SomethingOnlyChannelService(IMemoryCache ticketCache, DiscordSocketClient client, DbService db)
+    {
+        _ticketCache = ticketCache;
+        _client = client;
+        _db = db;
+
+        using var uow = _db.GetDbContext();
+        _imageOnly = uow.ImageOnlyChannels
+            .Where(x => x.Type == OnlyChannelType.Image)
+            .ToList()
+            .GroupBy(x => x.GuildId)
+            .ToDictionary(x => x.Key, x => new ConcurrentHashSet<ulong>(x.Select(y => y.ChannelId)))
+            .ToConcurrent();
+
+        _linkOnly = uow.ImageOnlyChannels
+            .Where(x => x.Type == OnlyChannelType.Link)
+            .ToList()
+            .GroupBy(x => x.GuildId)
+            .ToDictionary(x => x.Key, x => new ConcurrentHashSet<ulong>(x.Select(y => y.ChannelId)))
+            .ToConcurrent();
+        
+        _ = Task.Run(DeleteQueueRunner);
+
+        _client.ChannelDestroyed += ClientOnChannelDestroyed;
+    }
+
+    private async Task ClientOnChannelDestroyed(SocketChannel ch)
+    {
+        if (ch is not IGuildChannel gch)
+            return;
+
+        if (_imageOnly.TryGetValue(gch.GuildId, out var channels) && channels.TryRemove(ch.Id))
+            await ToggleImageOnlyChannelAsync(gch.GuildId, ch.Id, true);
+    }
+
+    private async Task DeleteQueueRunner()
+    {
+        while (true)
+        {
+            var toDelete = await _deleteQueue.Reader.ReadAsync();
+            try
+            {
+                await toDelete.DeleteAsync();
+                await Task.Delay(1000);
+            }
+            catch (HttpException ex) when (ex.HttpCode == HttpStatusCode.Forbidden)
+            {
+                // disable if bot can't delete messages in the channel
+                await ToggleImageOnlyChannelAsync(((ITextChannel)toDelete.Channel).GuildId, toDelete.Channel.Id, true);
+            }
+        }
+    }
+
+    public async Task<bool> ToggleImageOnlyChannelAsync(ulong guildId, ulong channelId, bool forceDisable = false)
+    {
+        var newState = false;
+        await using var uow = _db.GetDbContext();
+        if (forceDisable || (_imageOnly.TryGetValue(guildId, out var channels) && channels.TryRemove(channelId)))
+        {
+            await uow.ImageOnlyChannels.DeleteAsync(x => x.ChannelId == channelId && x.Type == OnlyChannelType.Image);
+        }
+        else
+        {
+            await uow.ImageOnlyChannels.DeleteAsync(x => x.ChannelId == channelId);
+            uow.ImageOnlyChannels.Add(new()
+            {
+                GuildId = guildId,
+                ChannelId = channelId,
+                Type = OnlyChannelType.Image
+            });
+
+            if (_linkOnly.TryGetValue(guildId, out var chs))
+                chs.TryRemove(channelId);
+            
+            channels = _imageOnly.GetOrAdd(guildId, new ConcurrentHashSet<ulong>());
+            channels.Add(channelId);
+            newState = true;
+        }
+
+        await uow.SaveChangesAsync();
+        return newState;
+    }
+    
+    public async Task<bool> ToggleLinkOnlyChannelAsync(ulong guildId, ulong channelId, bool forceDisable = false)
+    {
+        var newState = false;
+        await using var uow = _db.GetDbContext();
+        if (forceDisable || (_linkOnly.TryGetValue(guildId, out var channels) && channels.TryRemove(channelId)))
+        {
+            await uow.ImageOnlyChannels.DeleteAsync(x => x.ChannelId == channelId && x.Type == OnlyChannelType.Link);
+        }
+        else
+        {
+            await uow.ImageOnlyChannels.DeleteAsync(x => x.ChannelId == channelId);
+            uow.ImageOnlyChannels.Add(new()
+            {
+                GuildId = guildId,
+                ChannelId = channelId,
+                Type = OnlyChannelType.Link
+            });
+
+            if (_imageOnly.TryGetValue(guildId, out var chs))
+                chs.TryRemove(channelId);
+            
+            channels = _linkOnly.GetOrAdd(guildId, new ConcurrentHashSet<ulong>());
+            channels.Add(channelId);
+            newState = true;
+        }
+
+        await uow.SaveChangesAsync();
+        return newState;
+    }
+
+    public async Task<bool> ExecOnMessageAsync(IGuild guild, IUserMessage msg)
+    {
+        if (msg.Channel is not ITextChannel tch)
+            return false;
+
+        if (_imageOnly.TryGetValue(tch.GuildId, out var chs) && chs.Contains(msg.Channel.Id))
+            return await HandleOnlyChannel(tch, msg, OnlyChannelType.Image);
+        
+        if (_linkOnly.TryGetValue(tch.GuildId, out chs) && chs.Contains(msg.Channel.Id))
+            return await HandleOnlyChannel(tch, msg, OnlyChannelType.Link);
+
+        return false;
+    }
+
+    private async Task<bool> HandleOnlyChannel(ITextChannel tch, IUserMessage msg, OnlyChannelType type)
+    {
+        if (type == OnlyChannelType.Image)
+        {
+            if (msg.Attachments.Any(x => x is { Height: > 0, Width: > 0 }))
+                return false;
+        }
+        else
+        {
+            if (msg.Content.TryGetUrlPath(out _))
+                return false;
+        }
+        
+        var user = await tch.Guild.GetUserAsync(msg.Author.Id)
+                   ?? await _client.Rest.GetGuildUserAsync(tch.GuildId, msg.Author.Id);
+
+        if (user is null)
+            return false;
+
+        // ignore owner and admin
+        if (user.Id == tch.Guild.OwnerId || user.GuildPermissions.Administrator)
+        {
+            Log.Information("{Type}-Only Channel: Ignoring owner od admin ({ChannelId})", type, msg.Channel.Id);
+            return false;
+        }
+
+        // ignore users higher in hierarchy
+        var botUser = await tch.Guild.GetCurrentUserAsync();
+        if (user.GetRoles().Max(x => x.Position) >= botUser.GetRoles().Max(x => x.Position))
+            return false;
+
+        if (!botUser.GetPermissions(tch).ManageChannel)
+        {
+            if(type == OnlyChannelType.Image)
+                await ToggleImageOnlyChannelAsync(tch.GuildId, tch.Id, true);
+            else
+                await ToggleImageOnlyChannelAsync(tch.GuildId, tch.Id, true);
+            
+            return false;
+        }
+
+        var shouldLock = AddUserTicket(tch.GuildId, msg.Author.Id);
+        if (shouldLock)
+        {
+            await tch.AddPermissionOverwriteAsync(msg.Author, new(sendMessages: PermValue.Deny));
+            Log.Warning("{Type}-Only Channel: User {User} [{UserId}] has been banned from typing in the channel [{ChannelId}]",
+                type,
+                msg.Author,
+                msg.Author.Id,
+                msg.Channel.Id);
+        }
+
+        try
+        {
+            await _deleteQueue.Writer.WriteAsync(msg);
+        }
+        catch (Exception ex)
+        {
+            Log.Error(ex, "Error deleting message {MessageId} in image-only channel {ChannelId}", msg.Id, tch.Id);
+        }
+
+        return true;
+    }
+
+    private bool AddUserTicket(ulong guildId, ulong userId)
+    {
+        var old = _ticketCache.GetOrCreate($"{guildId}_{userId}",
+            entry =>
+            {
+                entry.AbsoluteExpirationRelativeToNow = TimeSpan.FromDays(1);
+                return 0;
+            });
+
+        _ticketCache.Set($"{guildId}_{userId}", ++old);
+
+        // if this is the third time that the user posts a
+        // non image in an image-only channel on this server 
+        return old > 2;
+    }
+}

src/Nadeko.Bot.Modules.Administration/LocalizationCommands.cs

@@ -0,0 +1,250 @@
+#nullable disable
+using System.Globalization;
+
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration
+{
+    [Group]
+    public partial class LocalizationCommands : NadekoModule
+    {
+        private static readonly IReadOnlyDictionary<string, string> _supportedLocales = new Dictionary<string, string>
+        {
+            { "ar", "العربية" },
+            { "zh-TW", "繁體中文, 台灣" },
+            { "zh-CN", "简体中文, 中华人民共和国" },
+            { "nl-NL", "Nederlands, Nederland" },
+            { "en-US", "English, United States" },
+            { "fr-FR", "Français, France" },
+            { "cs-CZ", "Čeština, Česká republika" },
+            { "da-DK", "Dansk, Danmark" },
+            { "de-DE", "Deutsch, Deutschland" },
+            { "he-IL", "עברית, ישראל" },
+            { "hu-HU", "Magyar, Magyarország" },
+            { "id-ID", "Bahasa Indonesia, Indonesia" },
+            { "it-IT", "Italiano, Italia" },
+            { "ja-JP", "日本語, 日本" },
+            { "ko-KR", "한국어, 대한민국" },
+            { "nb-NO", "Norsk, Norge" },
+            { "pl-PL", "Polski, Polska" },
+            { "pt-BR", "Português Brasileiro, Brasil" },
+            { "ro-RO", "Română, România" },
+            { "ru-RU", "Русский, Россия" },
+            { "sr-Cyrl-RS", "Српски, Србија" },
+            { "es-ES", "Español, España" },
+            { "sv-SE", "Svenska, Sverige" },
+            { "tr-TR", "Türkçe, Türkiye" },
+            { "ts-TS", "Tsundere, You Baka" },
+            { "uk-UA", "Українська, Україна" }
+        };
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [Priority(0)]
+        public async Task LanguageSet()
+            => await ReplyConfirmLocalizedAsync(strs.lang_set_show(Format.Bold(Culture.ToString()),
+                Format.Bold(Culture.NativeName)));
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [Priority(1)]
+        public async Task LanguageSet(string name)
+        {
+            try
+            {
+                CultureInfo ci;
+                if (name.Trim().ToLowerInvariant() == "default")
+                {
+                    _localization.RemoveGuildCulture(ctx.Guild);
+                    ci = _localization.DefaultCultureInfo;
+                }
+                else
+                {
+                    ci = new(name);
+                    _localization.SetGuildCulture(ctx.Guild, ci);
+                }
+
+                await ReplyConfirmLocalizedAsync(strs.lang_set(Format.Bold(ci.ToString()), Format.Bold(ci.NativeName)));
+            }
+            catch (Exception)
+            {
+                await ReplyErrorLocalizedAsync(strs.lang_set_fail);
+            }
+        }
+
+        [Cmd]
+        public async Task LanguageSetDefault()
+        {
+            var cul = _localization.DefaultCultureInfo;
+            await ReplyErrorLocalizedAsync(strs.lang_set_bot_show(cul, cul.NativeName));
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task LanguageSetDefault(string name)
+        {
+            try
+            {
+                CultureInfo ci;
+                if (name.Trim().ToLowerInvariant() == "default")
+                {
+                    _localization.ResetDefaultCulture();
+                    ci = _localization.DefaultCultureInfo;
+                }
+                else
+                {
+                    ci = new(name);
+                    _localization.SetDefaultCulture(ci);
+                }
+
+                await ReplyConfirmLocalizedAsync(strs.lang_set_bot(Format.Bold(ci.ToString()),
+                    Format.Bold(ci.NativeName)));
+            }
+            catch (Exception)
+            {
+                await ReplyErrorLocalizedAsync(strs.lang_set_fail);
+            }
+        }
+
+        [Cmd]
+        public async Task LanguagesList()
+            => await ctx.Channel.EmbedAsync(_eb.Create()
+                                               .WithOkColor()
+                                               .WithTitle(GetText(strs.lang_list))
+                                               .WithDescription(string.Join("\n",
+                                                   _supportedLocales.Select(
+                                                       x => $"{Format.Code(x.Key),-10} => {x.Value}"))));
+    }
+}
+/* list of language codes for reference. 
+ * taken from https://github.com/dotnet/coreclr/blob/ee5862c6a257e60e263537d975ab6c513179d47f/src/mscorlib/src/System/Globalization/CultureData.cs#L192
+            { "029", "en-029" },
+            { "AE",  "ar-AE" },
+            { "AF",  "prs-AF" },
+            { "AL",  "sq-AL" },
+            { "AM",  "hy-AM" },
+            { "AR",  "es-AR" },
+            { "AT",  "de-AT" },
+            { "AU",  "en-AU" },
+            { "AZ",  "az-Cyrl-AZ" },
+            { "BA",  "bs-Latn-BA" },
+            { "BD",  "bn-BD" },
+            { "BE",  "nl-BE" },
+            { "BG",  "bg-BG" },
+            { "BH",  "ar-BH" },
+            { "BN",  "ms-BN" },
+            { "BO",  "es-BO" },
+            { "BR",  "pt-BR" },
+            { "BY",  "be-BY" },
+            { "BZ",  "en-BZ" },
+            { "CA",  "en-CA" },
+            { "CH",  "it-CH" },
+            { "CL",  "es-CL" },
+            { "CN",  "zh-CN" },
+            { "CO",  "es-CO" },
+            { "CR",  "es-CR" },
+            { "CS",  "sr-Cyrl-CS" },
+            { "CZ",  "cs-CZ" },
+            { "DE",  "de-DE" },
+            { "DK",  "da-DK" },
+            { "DO",  "es-DO" },
+            { "DZ",  "ar-DZ" },
+            { "EC",  "es-EC" },
+            { "EE",  "et-EE" },
+            { "EG",  "ar-EG" },
+            { "ES",  "es-ES" },
+            { "ET",  "am-ET" },
+            { "FI",  "fi-FI" },
+            { "FO",  "fo-FO" },
+            { "FR",  "fr-FR" },
+            { "GB",  "en-GB" },
+            { "GE",  "ka-GE" },
+            { "GL",  "kl-GL" },
+            { "GR",  "el-GR" },
+            { "GT",  "es-GT" },
+            { "HK",  "zh-HK" },
+            { "HN",  "es-HN" },
+            { "HR",  "hr-HR" },
+            { "HU",  "hu-HU" },
+            { "ID",  "id-ID" },
+            { "IE",  "en-IE" },
+            { "IL",  "he-IL" },
+            { "IN",  "hi-IN" },
+            { "IQ",  "ar-IQ" },
+            { "IR",  "fa-IR" },
+            { "IS",  "is-IS" },
+            { "IT",  "it-IT" },
+            { "IV",  "" },
+            { "JM",  "en-JM" },
+            { "JO",  "ar-JO" },
+            { "JP",  "ja-JP" },
+            { "KE",  "sw-KE" },
+            { "KG",  "ky-KG" },
+            { "KH",  "km-KH" },
+            { "KR",  "ko-KR" },
+            { "KW",  "ar-KW" },
+            { "KZ",  "kk-KZ" },
+            { "LA",  "lo-LA" },
+            { "LB",  "ar-LB" },
+            { "LI",  "de-LI" },
+            { "LK",  "si-LK" },
+            { "LT",  "lt-LT" },
+            { "LU",  "lb-LU" },
+            { "LV",  "lv-LV" },
+            { "LY",  "ar-LY" },
+            { "MA",  "ar-MA" },
+            { "MC",  "fr-MC" },
+            { "ME",  "sr-Latn-ME" },
+            { "MK",  "mk-MK" },
+            { "MN",  "mn-MN" },
+            { "MO",  "zh-MO" },
+            { "MT",  "mt-MT" },
+            { "MV",  "dv-MV" },
+            { "MX",  "es-MX" },
+            { "MY",  "ms-MY" },
+            { "NG",  "ig-NG" },
+            { "NI",  "es-NI" },
+            { "NL",  "nl-NL" },
+            { "NO",  "nn-NO" },
+            { "NP",  "ne-NP" },
+            { "NZ",  "en-NZ" },
+            { "OM",  "ar-OM" },
+            { "PA",  "es-PA" },
+            { "PE",  "es-PE" },
+            { "PH",  "en-PH" },
+            { "PK",  "ur-PK" },
+            { "PL",  "pl-PL" },
+            { "PR",  "es-PR" },
+            { "PT",  "pt-PT" },
+            { "PY",  "es-PY" },
+            { "QA",  "ar-QA" },
+            { "RO",  "ro-RO" },
+            { "RS",  "sr-Latn-RS" },
+            { "RU",  "ru-RU" },
+            { "RW",  "rw-RW" },
+            { "SA",  "ar-SA" },
+            { "SE",  "sv-SE" },
+            { "SG",  "zh-SG" },
+            { "SI",  "sl-SI" },
+            { "SK",  "sk-SK" },
+            { "SN",  "wo-SN" },
+            { "SV",  "es-SV" },
+            { "SY",  "ar-SY" },
+            { "TH",  "th-TH" },
+            { "TJ",  "tg-Cyrl-TJ" },
+            { "TM",  "tk-TM" },
+            { "TN",  "ar-TN" },
+            { "TR",  "tr-TR" },
+            { "TT",  "en-TT" },
+            { "TW",  "zh-TW" },
+            { "UA",  "uk-UA" },
+            { "US",  "en-US" },
+            { "UY",  "es-UY" },
+            { "UZ",  "uz-Cyrl-UZ" },
+            { "VE",  "es-VE" },
+            { "VN",  "vi-VN" },
+            { "YE",  "ar-YE" },
+            { "ZA",  "af-ZA" },
+            { "ZW",  "en-ZW" }
+ */

src/Nadeko.Bot.Modules.Administration/Mute/MuteCommands.cs

@@ -0,0 +1,231 @@
+#nullable disable
+using NadekoBot.Common.TypeReaders.Models;
+using NadekoBot.Modules.Administration.Services;
+
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration
+{
+    [Group]
+    public partial class MuteCommands : NadekoModule<MuteService>
+    {
+        private async Task<bool> VerifyMutePermissions(IGuildUser runnerUser, IGuildUser targetUser)
+        {
+            var runnerUserRoles = runnerUser.GetRoles();
+            var targetUserRoles = targetUser.GetRoles();
+            if (runnerUser.Id != ctx.Guild.OwnerId
+                && runnerUserRoles.Max(x => x.Position) <= targetUserRoles.Max(x => x.Position))
+            {
+                await ReplyErrorLocalizedAsync(strs.mute_perms);
+                return false;
+            }
+
+            return true;
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        public async Task MuteRole([Leftover] IRole role = null)
+        {
+            if (role is null)
+            {
+                var muteRole = await _service.GetMuteRole(ctx.Guild);
+                await ReplyConfirmLocalizedAsync(strs.mute_role(Format.Code(muteRole.Name)));
+                return;
+            }
+
+            if (ctx.User.Id != ctx.Guild.OwnerId
+                && role.Position >= ((SocketGuildUser)ctx.User).Roles.Max(x => x.Position))
+            {
+                await ReplyErrorLocalizedAsync(strs.insuf_perms_u);
+                return;
+            }
+
+            await _service.SetMuteRoleAsync(ctx.Guild.Id, role.Name);
+
+            await ReplyConfirmLocalizedAsync(strs.mute_role_set);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles | GuildPerm.MuteMembers)]
+        [Priority(0)]
+        public async Task Mute(IGuildUser target, [Leftover] string reason = "")
+        {
+            try
+            {
+                if (!await VerifyMutePermissions((IGuildUser)ctx.User, target))
+                    return;
+
+                await _service.MuteUser(target, ctx.User, reason: reason);
+                await ReplyConfirmLocalizedAsync(strs.user_muted(Format.Bold(target.ToString())));
+            }
+            catch (Exception ex)
+            {
+                Log.Warning(ex, "Exception in the mute command");
+                await ReplyErrorLocalizedAsync(strs.mute_error);
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles | GuildPerm.MuteMembers)]
+        [Priority(1)]
+        public async Task Mute(StoopidTime time, IGuildUser user, [Leftover] string reason = "")
+        {
+            if (time.Time < TimeSpan.FromMinutes(1) || time.Time > TimeSpan.FromDays(49))
+                return;
+            try
+            {
+                if (!await VerifyMutePermissions((IGuildUser)ctx.User, user))
+                    return;
+
+                await _service.TimedMute(user, ctx.User, time.Time, reason: reason);
+                await ReplyConfirmLocalizedAsync(strs.user_muted_time(Format.Bold(user.ToString()),
+                    (int)time.Time.TotalMinutes));
+            }
+            catch (Exception ex)
+            {
+                Log.Warning(ex, "Error in mute command");
+                await ReplyErrorLocalizedAsync(strs.mute_error);
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles | GuildPerm.MuteMembers)]
+        public async Task Unmute(IGuildUser user, [Leftover] string reason = "")
+        {
+            try
+            {
+                await _service.UnmuteUser(user.GuildId, user.Id, ctx.User, reason: reason);
+                await ReplyConfirmLocalizedAsync(strs.user_unmuted(Format.Bold(user.ToString())));
+            }
+            catch
+            {
+                await ReplyErrorLocalizedAsync(strs.mute_error);
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [Priority(0)]
+        public async Task ChatMute(IGuildUser user, [Leftover] string reason = "")
+        {
+            try
+            {
+                if (!await VerifyMutePermissions((IGuildUser)ctx.User, user))
+                    return;
+
+                await _service.MuteUser(user, ctx.User, MuteType.Chat, reason);
+                await ReplyConfirmLocalizedAsync(strs.user_chat_mute(Format.Bold(user.ToString())));
+            }
+            catch (Exception ex)
+            {
+                Log.Warning(ex, "Exception in the chatmute command");
+                await ReplyErrorLocalizedAsync(strs.mute_error);
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [Priority(1)]
+        public async Task ChatMute(StoopidTime time, IGuildUser user, [Leftover] string reason = "")
+        {
+            if (time.Time < TimeSpan.FromMinutes(1) || time.Time > TimeSpan.FromDays(49))
+                return;
+            try
+            {
+                if (!await VerifyMutePermissions((IGuildUser)ctx.User, user))
+                    return;
+
+                await _service.TimedMute(user, ctx.User, time.Time, MuteType.Chat, reason);
+                await ReplyConfirmLocalizedAsync(strs.user_chat_mute_time(Format.Bold(user.ToString()),
+                    (int)time.Time.TotalMinutes));
+            }
+            catch (Exception ex)
+            {
+                Log.Warning(ex, "Error in chatmute command");
+                await ReplyErrorLocalizedAsync(strs.mute_error);
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        public async Task ChatUnmute(IGuildUser user, [Leftover] string reason = "")
+        {
+            try
+            {
+                await _service.UnmuteUser(user.Guild.Id, user.Id, ctx.User, MuteType.Chat, reason);
+                await ReplyConfirmLocalizedAsync(strs.user_chat_unmute(Format.Bold(user.ToString())));
+            }
+            catch
+            {
+                await ReplyErrorLocalizedAsync(strs.mute_error);
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.MuteMembers)]
+        [Priority(0)]
+        public async Task VoiceMute(IGuildUser user, [Leftover] string reason = "")
+        {
+            try
+            {
+                if (!await VerifyMutePermissions((IGuildUser)ctx.User, user))
+                    return;
+
+                await _service.MuteUser(user, ctx.User, MuteType.Voice, reason);
+                await ReplyConfirmLocalizedAsync(strs.user_voice_mute(Format.Bold(user.ToString())));
+            }
+            catch
+            {
+                await ReplyErrorLocalizedAsync(strs.mute_error);
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.MuteMembers)]
+        [Priority(1)]
+        public async Task VoiceMute(StoopidTime time, IGuildUser user, [Leftover] string reason = "")
+        {
+            if (time.Time < TimeSpan.FromMinutes(1) || time.Time > TimeSpan.FromDays(49))
+                return;
+            try
+            {
+                if (!await VerifyMutePermissions((IGuildUser)ctx.User, user))
+                    return;
+
+                await _service.TimedMute(user, ctx.User, time.Time, MuteType.Voice, reason);
+                await ReplyConfirmLocalizedAsync(strs.user_voice_mute_time(Format.Bold(user.ToString()),
+                    (int)time.Time.TotalMinutes));
+            }
+            catch
+            {
+                await ReplyErrorLocalizedAsync(strs.mute_error);
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.MuteMembers)]
+        public async Task VoiceUnmute(IGuildUser user, [Leftover] string reason = "")
+        {
+            try
+            {
+                await _service.UnmuteUser(user.GuildId, user.Id, ctx.User, MuteType.Voice, reason);
+                await ReplyConfirmLocalizedAsync(strs.user_voice_unmute(Format.Bold(user.ToString())));
+            }
+            catch
+            {
+                await ReplyErrorLocalizedAsync(strs.mute_error);
+            }
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/Mute/MuteService.cs

@@ -0,0 +1,506 @@
+#nullable disable
+using Microsoft.EntityFrameworkCore;
+using Nadeko.Common;
+using NadekoBot.Db;
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Modules.Administration.Services;
+
+public enum MuteType
+{
+    Voice,
+    Chat,
+    All
+}
+
+public class MuteService : INService
+{
+    public enum TimerType { Mute, Ban, AddRole }
+
+    private static readonly OverwritePermissions _denyOverwrite = new(addReactions: PermValue.Deny,
+        sendMessages: PermValue.Deny,
+        sendMessagesInThreads: PermValue.Deny,
+        attachFiles: PermValue.Deny);
+
+    public event Action<IGuildUser, IUser, MuteType, string> UserMuted = delegate { };
+    public event Action<IGuildUser, IUser, MuteType, string> UserUnmuted = delegate { };
+
+    public ConcurrentDictionary<ulong, string> GuildMuteRoles { get; }
+    public ConcurrentDictionary<ulong, ConcurrentHashSet<ulong>> MutedUsers { get; }
+
+    public ConcurrentDictionary<ulong, ConcurrentDictionary<(ulong, TimerType), Timer>> UnTimers { get; } = new();
+
+    private readonly DiscordSocketClient _client;
+    private readonly DbService _db;
+    private readonly IEmbedBuilderService _eb;
+
+    public MuteService(DiscordSocketClient client, DbService db, IEmbedBuilderService eb)
+    {
+        _client = client;
+        _db = db;
+        _eb = eb;
+
+        using (var uow = db.GetDbContext())
+        {
+            var guildIds = client.Guilds.Select(x => x.Id).ToList();
+            var configs = uow.Set<GuildConfig>()
+                             .AsNoTracking()
+                             .AsSplitQuery()
+                             .Include(x => x.MutedUsers)
+                             .Include(x => x.UnbanTimer)
+                             .Include(x => x.UnmuteTimers)
+                             .Include(x => x.UnroleTimer)
+                             .Where(x => guildIds.Contains(x.GuildId))
+                             .ToList();
+
+            GuildMuteRoles = configs.Where(c => !string.IsNullOrWhiteSpace(c.MuteRoleName))
+                                    .ToDictionary(c => c.GuildId, c => c.MuteRoleName)
+                                    .ToConcurrent();
+
+            MutedUsers = new(configs.ToDictionary(k => k.GuildId,
+                v => new ConcurrentHashSet<ulong>(v.MutedUsers.Select(m => m.UserId))));
+
+            var max = TimeSpan.FromDays(49);
+
+            foreach (var conf in configs)
+            {
+                foreach (var x in conf.UnmuteTimers)
+                {
+                    TimeSpan after;
+                    if (x.UnmuteAt - TimeSpan.FromMinutes(2) <= DateTime.UtcNow)
+                        after = TimeSpan.FromMinutes(2);
+                    else
+                    {
+                        var unmute = x.UnmuteAt - DateTime.UtcNow;
+                        after = unmute > max ? max : unmute;
+                    }
+
+                    StartUn_Timer(conf.GuildId, x.UserId, after, TimerType.Mute);
+                }
+
+                foreach (var x in conf.UnbanTimer)
+                {
+                    TimeSpan after;
+                    if (x.UnbanAt - TimeSpan.FromMinutes(2) <= DateTime.UtcNow)
+                        after = TimeSpan.FromMinutes(2);
+                    else
+                    {
+                        var unban = x.UnbanAt - DateTime.UtcNow;
+                        after = unban > max ? max : unban;
+                    }
+
+                    StartUn_Timer(conf.GuildId, x.UserId, after, TimerType.Ban);
+                }
+
+                foreach (var x in conf.UnroleTimer)
+                {
+                    TimeSpan after;
+                    if (x.UnbanAt - TimeSpan.FromMinutes(2) <= DateTime.UtcNow)
+                        after = TimeSpan.FromMinutes(2);
+                    else
+                    {
+                        var unban = x.UnbanAt - DateTime.UtcNow;
+                        after = unban > max ? max : unban;
+                    }
+
+                    StartUn_Timer(conf.GuildId, x.UserId, after, TimerType.AddRole, x.RoleId);
+                }
+            }
+
+            _client.UserJoined += Client_UserJoined;
+        }
+
+        UserMuted += OnUserMuted;
+        UserUnmuted += OnUserUnmuted;
+    }
+
+    private void OnUserMuted(
+        IGuildUser user,
+        IUser mod,
+        MuteType type,
+        string reason)
+    {
+        if (string.IsNullOrWhiteSpace(reason))
+            return;
+
+        _ = Task.Run(() => user.SendMessageAsync(embed: _eb.Create()
+                                                           .WithDescription(
+                                                               $"You've been muted in {user.Guild} server")
+                                                           .AddField("Mute Type", type.ToString())
+                                                           .AddField("Moderator", mod.ToString())
+                                                           .AddField("Reason", reason)
+                                                           .Build()));
+    }
+
+    private void OnUserUnmuted(
+        IGuildUser user,
+        IUser mod,
+        MuteType type,
+        string reason)
+    {
+        if (string.IsNullOrWhiteSpace(reason))
+            return;
+
+        _ = Task.Run(() => user.SendMessageAsync(embed: _eb.Create()
+                                                           .WithDescription(
+                                                               $"You've been unmuted in {user.Guild} server")
+                                                           .AddField("Unmute Type", type.ToString())
+                                                           .AddField("Moderator", mod.ToString())
+                                                           .AddField("Reason", reason)
+                                                           .Build()));
+    }
+
+    private Task Client_UserJoined(IGuildUser usr)
+    {
+        try
+        {
+            MutedUsers.TryGetValue(usr.Guild.Id, out var muted);
+
+            if (muted is null || !muted.Contains(usr.Id))
+                return Task.CompletedTask;
+            _ = Task.Run(() => MuteUser(usr, _client.CurrentUser, reason: "Sticky mute"));
+        }
+        catch (Exception ex)
+        {
+            Log.Warning(ex, "Error in MuteService UserJoined event");
+        }
+
+        return Task.CompletedTask;
+    }
+
+    public async Task SetMuteRoleAsync(ulong guildId, string name)
+    {
+        await using var uow = _db.GetDbContext();
+        var config = uow.GuildConfigsForId(guildId, set => set);
+        config.MuteRoleName = name;
+        GuildMuteRoles.AddOrUpdate(guildId, name, (_, _) => name);
+        await uow.SaveChangesAsync();
+    }
+
+    public async Task MuteUser(
+        IGuildUser usr,
+        IUser mod,
+        MuteType type = MuteType.All,
+        string reason = "")
+    {
+        if (type == MuteType.All)
+        {
+            try { await usr.ModifyAsync(x => x.Mute = true); }
+            catch { }
+
+            var muteRole = await GetMuteRole(usr.Guild);
+            if (!usr.RoleIds.Contains(muteRole.Id))
+                await usr.AddRoleAsync(muteRole);
+            StopTimer(usr.GuildId, usr.Id, TimerType.Mute);
+            await using (var uow = _db.GetDbContext())
+            {
+                var config = uow.GuildConfigsForId(usr.Guild.Id,
+                    set => set.Include(gc => gc.MutedUsers).Include(gc => gc.UnmuteTimers));
+                config.MutedUsers.Add(new()
+                {
+                    UserId = usr.Id
+                });
+                if (MutedUsers.TryGetValue(usr.Guild.Id, out var muted))
+                    muted.Add(usr.Id);
+
+                config.UnmuteTimers.RemoveWhere(x => x.UserId == usr.Id);
+
+                await uow.SaveChangesAsync();
+            }
+
+            UserMuted(usr, mod, MuteType.All, reason);
+        }
+        else if (type == MuteType.Voice)
+        {
+            try
+            {
+                await usr.ModifyAsync(x => x.Mute = true);
+                UserMuted(usr, mod, MuteType.Voice, reason);
+            }
+            catch { }
+        }
+        else if (type == MuteType.Chat)
+        {
+            await usr.AddRoleAsync(await GetMuteRole(usr.Guild));
+            UserMuted(usr, mod, MuteType.Chat, reason);
+        }
+    }
+
+    public async Task UnmuteUser(
+        ulong guildId,
+        ulong usrId,
+        IUser mod,
+        MuteType type = MuteType.All,
+        string reason = "")
+    {
+        var usr = _client.GetGuild(guildId)?.GetUser(usrId);
+        if (type == MuteType.All)
+        {
+            StopTimer(guildId, usrId, TimerType.Mute);
+            await using (var uow = _db.GetDbContext())
+            {
+                var config = uow.GuildConfigsForId(guildId,
+                    set => set.Include(gc => gc.MutedUsers).Include(gc => gc.UnmuteTimers));
+                var match = new MutedUserId
+                {
+                    UserId = usrId
+                };
+                var toRemove = config.MutedUsers.FirstOrDefault(x => x.Equals(match));
+                if (toRemove is not null)
+                    uow.Remove(toRemove);
+                if (MutedUsers.TryGetValue(guildId, out var muted))
+                    muted.TryRemove(usrId);
+
+                config.UnmuteTimers.RemoveWhere(x => x.UserId == usrId);
+
+                await uow.SaveChangesAsync();
+            }
+
+            if (usr is not null)
+            {
+                try { await usr.ModifyAsync(x => x.Mute = false); }
+                catch { }
+
+                try { await usr.RemoveRoleAsync(await GetMuteRole(usr.Guild)); }
+                catch
+                {
+                    /*ignore*/
+                }
+
+                UserUnmuted(usr, mod, MuteType.All, reason);
+            }
+        }
+        else if (type == MuteType.Voice)
+        {
+            if (usr is null)
+                return;
+            try
+            {
+                await usr.ModifyAsync(x => x.Mute = false);
+                UserUnmuted(usr, mod, MuteType.Voice, reason);
+            }
+            catch { }
+        }
+        else if (type == MuteType.Chat)
+        {
+            if (usr is null)
+                return;
+            await usr.RemoveRoleAsync(await GetMuteRole(usr.Guild));
+            UserUnmuted(usr, mod, MuteType.Chat, reason);
+        }
+    }
+
+    public async Task<IRole> GetMuteRole(IGuild guild)
+    {
+        if (guild is null)
+            throw new ArgumentNullException(nameof(guild));
+
+        const string defaultMuteRoleName = "nadeko-mute";
+
+        var muteRoleName = GuildMuteRoles.GetOrAdd(guild.Id, defaultMuteRoleName);
+
+        var muteRole = guild.Roles.FirstOrDefault(r => r.Name == muteRoleName);
+        if (muteRole is null)
+            //if it doesn't exist, create it
+        {
+            try { muteRole = await guild.CreateRoleAsync(muteRoleName, isMentionable: false); }
+            catch
+            {
+                //if creations fails,  maybe the name is not correct, find default one, if doesn't work, create default one
+                muteRole = guild.Roles.FirstOrDefault(r => r.Name == muteRoleName)
+                           ?? await guild.CreateRoleAsync(defaultMuteRoleName, isMentionable: false);
+            }
+        }
+
+        foreach (var toOverwrite in await guild.GetTextChannelsAsync())
+        {
+            try
+            {
+                if (!toOverwrite.PermissionOverwrites.Any(x => x.TargetId == muteRole.Id
+                                                               && x.TargetType == PermissionTarget.Role))
+                {
+                    await toOverwrite.AddPermissionOverwriteAsync(muteRole, _denyOverwrite);
+
+                    await Task.Delay(200);
+                }
+            }
+            catch
+            {
+                // ignored
+            }
+        }
+
+        return muteRole;
+    }
+
+    public async Task TimedMute(
+        IGuildUser user,
+        IUser mod,
+        TimeSpan after,
+        MuteType muteType = MuteType.All,
+        string reason = "")
+    {
+        await MuteUser(user, mod, muteType, reason); // mute the user. This will also remove any previous unmute timers
+        await using (var uow = _db.GetDbContext())
+        {
+            var config = uow.GuildConfigsForId(user.GuildId, set => set.Include(x => x.UnmuteTimers));
+            config.UnmuteTimers.Add(new()
+            {
+                UserId = user.Id,
+                UnmuteAt = DateTime.UtcNow + after
+            }); // add teh unmute timer to the database
+            uow.SaveChanges();
+        }
+
+        StartUn_Timer(user.GuildId, user.Id, after, TimerType.Mute); // start the timer
+    }
+
+    public async Task TimedBan(
+        IGuild guild,
+        ulong userId,
+        TimeSpan after,
+        string reason,
+        int pruneDays)
+    {
+        await guild.AddBanAsync(userId, pruneDays, reason);
+        await using (var uow = _db.GetDbContext())
+        {
+            var config = uow.GuildConfigsForId(guild.Id, set => set.Include(x => x.UnbanTimer));
+            config.UnbanTimer.Add(new()
+            {
+                UserId = userId,
+                UnbanAt = DateTime.UtcNow + after
+            }); // add teh unmute timer to the database
+            await uow.SaveChangesAsync();
+        }
+
+        StartUn_Timer(guild.Id, userId, after, TimerType.Ban); // start the timer
+    }
+
+    public async Task TimedRole(
+        IGuildUser user,
+        TimeSpan after,
+        string reason,
+        IRole role)
+    {
+        await user.AddRoleAsync(role);
+        await using (var uow = _db.GetDbContext())
+        {
+            var config = uow.GuildConfigsForId(user.GuildId, set => set.Include(x => x.UnroleTimer));
+            config.UnroleTimer.Add(new()
+            {
+                UserId = user.Id,
+                UnbanAt = DateTime.UtcNow + after,
+                RoleId = role.Id
+            }); // add teh unmute timer to the database
+            uow.SaveChanges();
+        }
+
+        StartUn_Timer(user.GuildId, user.Id, after, TimerType.AddRole, role.Id); // start the timer
+    }
+
+    public void StartUn_Timer(
+        ulong guildId,
+        ulong userId,
+        TimeSpan after,
+        TimerType type,
+        ulong? roleId = null)
+    {
+        //load the unmute timers for this guild
+        var userUnTimers = UnTimers.GetOrAdd(guildId, new ConcurrentDictionary<(ulong, TimerType), Timer>());
+
+        //unmute timer to be added
+        var toAdd = new Timer(async _ =>
+            {
+                if (type == TimerType.Ban)
+                {
+                    try
+                    {
+                        RemoveTimerFromDb(guildId, userId, type);
+                        StopTimer(guildId, userId, type);
+                        var guild = _client.GetGuild(guildId); // load the guild
+                        if (guild is not null)
+                            await guild.RemoveBanAsync(userId);
+                    }
+                    catch (Exception ex)
+                    {
+                        Log.Warning(ex, "Couldn't unban user {UserId} in guild {GuildId}", userId, guildId);
+                    }
+                }
+                else if (type == TimerType.AddRole)
+                {
+                    try
+                    {
+                        if (roleId is null)
+                            return;
+
+                        RemoveTimerFromDb(guildId, userId, type);
+                        StopTimer(guildId, userId, type);
+                        var guild = _client.GetGuild(guildId);
+                        var user = guild?.GetUser(userId);
+                        var role = guild?.GetRole(roleId.Value);
+                        if (guild is not null && user is not null && user.Roles.Contains(role))
+                            await user.RemoveRoleAsync(role);
+                    }
+                    catch (Exception ex)
+                    {
+                        Log.Warning(ex, "Couldn't remove role from user {UserId} in guild {GuildId}", userId, guildId);
+                    }
+                }
+                else
+                {
+                    try
+                    {
+                        // unmute the user, this will also remove the timer from the db
+                        await UnmuteUser(guildId, userId, _client.CurrentUser, reason: "Timed mute expired");
+                    }
+                    catch (Exception ex)
+                    {
+                        RemoveTimerFromDb(guildId, userId, type); // if unmute errored, just remove unmute from db
+                        Log.Warning(ex, "Couldn't unmute user {UserId} in guild {GuildId}", userId, guildId);
+                    }
+                }
+            },
+            null,
+            after,
+            Timeout.InfiniteTimeSpan);
+
+        //add it, or stop the old one and add this one
+        userUnTimers.AddOrUpdate((userId, type),
+            _ => toAdd,
+            (_, old) =>
+            {
+                old.Change(Timeout.Infinite, Timeout.Infinite);
+                return toAdd;
+            });
+    }
+
+    public void StopTimer(ulong guildId, ulong userId, TimerType type)
+    {
+        if (!UnTimers.TryGetValue(guildId, out var userTimer))
+            return;
+
+        if (userTimer.TryRemove((userId, type), out var removed))
+            removed.Change(Timeout.Infinite, Timeout.Infinite);
+    }
+
+    private void RemoveTimerFromDb(ulong guildId, ulong userId, TimerType type)
+    {
+        using var uow = _db.GetDbContext();
+        object toDelete;
+        if (type == TimerType.Mute)
+        {
+            var config = uow.GuildConfigsForId(guildId, set => set.Include(x => x.UnmuteTimers));
+            toDelete = config.UnmuteTimers.FirstOrDefault(x => x.UserId == userId);
+        }
+        else
+        {
+            var config = uow.GuildConfigsForId(guildId, set => set.Include(x => x.UnbanTimer));
+            toDelete = config.UnbanTimer.FirstOrDefault(x => x.UserId == userId);
+        }
+
+        if (toDelete is not null)
+            uow.Remove(toDelete);
+        uow.SaveChanges();
+    }
+}

src/Nadeko.Bot.Modules.Administration/Nadeko.Bot.Modules.Administration.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net7.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+    
+    <ItemGroup>
+        <PackageReference Include="Discord.Net" Version="3.104.0" />
+        <PackageReference Include="Microsoft.Extensions.Http" Version="7.0.0" />
+    </ItemGroup>
+    
+    <ItemGroup>
+      <ProjectReference Include="..\Nadeko.Bot.Common\Nadeko.Bot.Common.csproj" />
+    </ItemGroup>
+
+</Project>

src/Nadeko.Bot.Modules.Administration/PermOverrides/DiscordPermOverrideCommands.cs

@@ -0,0 +1,83 @@
+#nullable disable
+using Nadeko.Common;
+using Nadeko.Bot.Db;
+using NadekoBot.Common.TypeReaders;
+using NadekoBot.Modules.Administration.Services;
+
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration
+{
+    [Group]
+    public partial class DiscordPermOverrideCommands : NadekoModule<DiscordPermOverrideService>
+    {
+        // override stats, it should require that the user has managessages guild permission
+        // .po 'stats' add user guild managemessages
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        public async Task DiscordPermOverride(CommandOrExprInfo cmd, params GuildPerm[] perms)
+        {
+            if (perms is null || perms.Length == 0)
+            {
+                await _service.RemoveOverride(ctx.Guild.Id, cmd.Name);
+                await ReplyConfirmLocalizedAsync(strs.perm_override_reset);
+                return;
+            }
+
+            var aggregatePerms = perms.Aggregate((acc, seed) => seed | acc);
+            await _service.AddOverride(ctx.Guild.Id, cmd.Name, aggregatePerms);
+
+            await ReplyConfirmLocalizedAsync(strs.perm_override(Format.Bold(aggregatePerms.ToString()),
+                Format.Code(cmd.Name)));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        public async Task DiscordPermOverrideReset()
+        {
+            var result = await PromptUserConfirmAsync(_eb.Create()
+                                                         .WithOkColor()
+                                                         .WithDescription(GetText(strs.perm_override_all_confirm)));
+
+            if (!result)
+                return;
+
+            await _service.ClearAllOverrides(ctx.Guild.Id);
+
+            await ReplyConfirmLocalizedAsync(strs.perm_override_all);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        public async Task DiscordPermOverrideList(int page = 1)
+        {
+            if (--page < 0)
+                return;
+
+            var overrides = await _service.GetAllOverrides(ctx.Guild.Id);
+
+            await ctx.SendPaginatedConfirmAsync(page,
+                curPage =>
+                {
+                    var eb = _eb.Create().WithTitle(GetText(strs.perm_overrides)).WithOkColor();
+
+                    var thisPageOverrides = overrides.Skip(9 * curPage).Take(9).ToList();
+
+                    if (thisPageOverrides.Count == 0)
+                        eb.WithDescription(GetText(strs.perm_override_page_none));
+                    else
+                    {
+                        eb.WithDescription(thisPageOverrides.Select(ov => $"{ov.Command} => {ov.Perm.ToString()}")
+                                                            .Join("\n"));
+                    }
+
+                    return eb;
+                },
+                overrides.Count,
+                9);
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/PermOverrides/DiscordPermOverrideService.cs

@@ -0,0 +1,136 @@
+#nullable disable
+using Microsoft.EntityFrameworkCore;
+using Nadeko.Common;
+using NadekoBot.Common.ModuleBehaviors;
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Modules.Administration.Services;
+
+public class DiscordPermOverrideService : INService, IExecPreCommand, IDiscordPermOverrideService
+{
+    public int Priority { get; } = int.MaxValue;
+    private readonly DbService _db;
+    private readonly IServiceProvider _services;
+
+    private readonly ConcurrentDictionary<(ulong, string), DiscordPermOverride> _overrides;
+
+    public DiscordPermOverrideService(DbService db, IServiceProvider services)
+    {
+        _db = db;
+        _services = services;
+        using var uow = _db.GetDbContext();
+        _overrides = uow.DiscordPermOverrides.AsNoTracking()
+                        .AsEnumerable()
+                        .ToDictionary(o => (o.GuildId ?? 0, o.Command), o => o)
+                        .ToConcurrent();
+    }
+
+    public bool TryGetOverrides(ulong guildId, string commandName, out Nadeko.Bot.Db.GuildPerm? perm)
+    {
+        commandName = commandName.ToLowerInvariant();
+        if (_overrides.TryGetValue((guildId, commandName), out var dpo))
+        {
+            perm = dpo.Perm;
+            return true;
+        }
+
+        perm = null;
+        return false;
+    }
+
+    public Task<PreconditionResult> ExecuteOverrides(
+        ICommandContext ctx,
+        CommandInfo command,
+        GuildPerm perms,
+        IServiceProvider services)
+    {
+        var rupa = new RequireUserPermissionAttribute(perms);
+        return rupa.CheckPermissionsAsync(ctx, command, services);
+    }
+
+    public async Task AddOverride(ulong guildId, string commandName, GuildPerm perm)
+    {
+        commandName = commandName.ToLowerInvariant();
+        await using var uow = _db.GetDbContext();
+        var over = await uow.Set<DiscordPermOverride>()
+                            .AsQueryable()
+                            .FirstOrDefaultAsync(x => x.GuildId == guildId && commandName == x.Command);
+
+        if (over is null)
+        {
+            uow.Set<DiscordPermOverride>()
+               .Add(over = new()
+               {
+                   Command = commandName,
+                   Perm = (Nadeko.Bot.Db.GuildPerm)perm,
+                   GuildId = guildId
+               });
+        }
+        else
+            over.Perm = (Nadeko.Bot.Db.GuildPerm)perm;
+
+        _overrides[(guildId, commandName)] = over;
+
+        await uow.SaveChangesAsync();
+    }
+
+    public async Task ClearAllOverrides(ulong guildId)
+    {
+        await using var uow = _db.GetDbContext();
+        var overrides = await uow.Set<DiscordPermOverride>()
+                                 .AsQueryable()
+                                 .AsNoTracking()
+                                 .Where(x => x.GuildId == guildId)
+                                 .ToListAsync();
+
+        uow.RemoveRange(overrides);
+        await uow.SaveChangesAsync();
+
+        foreach (var over in overrides)
+            _overrides.TryRemove((guildId, over.Command), out _);
+    }
+
+    public async Task RemoveOverride(ulong guildId, string commandName)
+    {
+        commandName = commandName.ToLowerInvariant();
+
+        await using var uow = _db.GetDbContext();
+        var over = await uow.Set<DiscordPermOverride>()
+                            .AsQueryable()
+                            .AsNoTracking()
+                            .FirstOrDefaultAsync(x => x.GuildId == guildId && x.Command == commandName);
+
+        if (over is null)
+            return;
+
+        uow.Remove(over);
+        await uow.SaveChangesAsync();
+
+        _overrides.TryRemove((guildId, commandName), out _);
+    }
+
+    public async Task<List<DiscordPermOverride>> GetAllOverrides(ulong guildId)
+    {
+        await using var uow = _db.GetDbContext();
+        return await uow.Set<DiscordPermOverride>()
+                        .AsQueryable()
+                        .AsNoTracking()
+                        .Where(x => x.GuildId == guildId)
+                        .ToListAsync();
+    }
+
+    public async Task<bool> ExecPreCommandAsync(ICommandContext context, string moduleName, CommandInfo command)
+    {
+        if (TryGetOverrides(context.Guild?.Id ?? 0, command.Name, out var perm) && perm is not null)
+        {
+            var result =
+                await new RequireUserPermissionAttribute((GuildPermission)perm).CheckPermissionsAsync(context,
+                    command,
+                    _services);
+
+            return !result.IsSuccess;
+        }
+
+        return false;
+    }
+}

src/Nadeko.Bot.Modules.Administration/PlayingRotate/PlayingRotateCommands.cs

@@ -0,0 +1,60 @@
+#nullable disable
+using NadekoBot.Modules.Administration.Services;
+
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration
+{
+    [Group]
+    public partial class PlayingRotateCommands : NadekoModule<PlayingRotateService>
+    {
+        [Cmd]
+        [OwnerOnly]
+        public async Task RotatePlaying()
+        {
+            if (_service.ToggleRotatePlaying())
+                await ReplyConfirmLocalizedAsync(strs.ropl_enabled);
+            else
+                await ReplyConfirmLocalizedAsync(strs.ropl_disabled);
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task AddPlaying(ActivityType t, [Leftover] string status)
+        {
+            await _service.AddPlaying(t, status);
+
+            await ReplyConfirmLocalizedAsync(strs.ropl_added);
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task ListPlaying()
+        {
+            var statuses = _service.GetRotatingStatuses();
+
+            if (!statuses.Any())
+                await ReplyErrorLocalizedAsync(strs.ropl_not_set);
+            else
+            {
+                var i = 1;
+                await ReplyConfirmLocalizedAsync(strs.ropl_list(string.Join("\n\t",
+                    statuses.Select(rs => $"`{i++}.` *{rs.Type}* {rs.Status}"))));
+            }
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task RemovePlaying(int index)
+        {
+            index -= 1;
+
+            var msg = await _service.RemovePlayingAsync(index);
+
+            if (msg is null)
+                return;
+
+            await ReplyConfirmLocalizedAsync(strs.reprm(msg));
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/PlayingRotate/PlayingRotateService.cs

@@ -0,0 +1,109 @@
+#nullable disable
+using Microsoft.EntityFrameworkCore;
+using NadekoBot.Common.ModuleBehaviors;
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Modules.Administration.Services;
+
+public sealed class PlayingRotateService : INService, IReadyExecutor
+{
+    private readonly BotConfigService _bss;
+    private readonly SelfService _selfService;
+    private readonly Replacer _rep;
+    private readonly DbService _db;
+    private readonly DiscordSocketClient _client;
+
+    public PlayingRotateService(
+        DiscordSocketClient client,
+        DbService db,
+        BotConfigService bss,
+        IEnumerable<IPlaceholderProvider> phProviders,
+        SelfService selfService)
+    {
+        _db = db;
+        _bss = bss;
+        _selfService = selfService;
+        _client = client;
+
+        if (client.ShardId == 0)
+            _rep = new ReplacementBuilder().WithClient(client).WithProviders(phProviders).Build();
+    }
+
+    public async Task OnReadyAsync()
+    {
+        if (_client.ShardId != 0)
+            return;
+        
+        using var timer = new PeriodicTimer(TimeSpan.FromMinutes(1));
+        var index = 0;
+        while (await timer.WaitForNextTickAsync())
+        {
+            try
+            {
+                if (!_bss.Data.RotateStatuses)
+                    continue;
+
+                IReadOnlyList<RotatingPlayingStatus> rotatingStatuses;
+                await using (var uow = _db.GetDbContext())
+                {
+                    rotatingStatuses = uow.RotatingStatus.AsNoTracking().OrderBy(x => x.Id).ToList();
+                }
+
+                if (rotatingStatuses.Count == 0)
+                    continue;
+
+                var playingStatus = index >= rotatingStatuses.Count
+                    ? rotatingStatuses[index = 0]
+                    : rotatingStatuses[index++];
+
+                var statusText = _rep.Replace(playingStatus.Status);
+                await _selfService.SetGameAsync(statusText, (ActivityType)playingStatus.Type);
+            }
+            catch (Exception ex)
+            {
+                Log.Warning(ex, "Rotating playing status errored: {ErrorMessage}", ex.Message);
+            }
+        }
+    }
+
+    public async Task<string> RemovePlayingAsync(int index)
+    {
+        if (index < 0)
+            throw new ArgumentOutOfRangeException(nameof(index));
+
+        await using var uow = _db.GetDbContext();
+        var toRemove = await uow.RotatingStatus.AsQueryable().AsNoTracking().Skip(index).FirstOrDefaultAsync();
+
+        if (toRemove is null)
+            return null;
+
+        uow.Remove(toRemove);
+        await uow.SaveChangesAsync();
+        return toRemove.Status;
+    }
+
+    public async Task AddPlaying(ActivityType activityType, string status)
+    {
+        await using var uow = _db.GetDbContext();
+        var toAdd = new RotatingPlayingStatus
+        {
+            Status = status,
+            Type = (Nadeko.Bot.Db.ActivityType)activityType
+        };
+        uow.Add(toAdd);
+        await uow.SaveChangesAsync();
+    }
+
+    public bool ToggleRotatePlaying()
+    {
+        var enabled = false;
+        _bss.ModifyConfig(bs => { enabled = bs.RotateStatuses = !bs.RotateStatuses; });
+        return enabled;
+    }
+
+    public IReadOnlyList<RotatingPlayingStatus> GetRotatingStatuses()
+    {
+        using var uow = _db.GetDbContext();
+        return uow.RotatingStatus.AsNoTracking().ToList();
+    }
+}

src/Nadeko.Bot.Modules.Administration/Prefix/PrefixCommands.cs

@@ -0,0 +1,57 @@
+#nullable disable
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration
+{
+    [Group]
+    public partial class PrefixCommands : NadekoModule
+    {
+        public enum Set
+        {
+            Set
+        }
+
+        [Cmd]
+        [Priority(1)]
+        public async Task Prefix()
+            => await ReplyConfirmLocalizedAsync(strs.prefix_current(Format.Code(_cmdHandler.GetPrefix(ctx.Guild))));
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [Priority(0)]
+        public Task Prefix(Set _, [Leftover] string newPrefix)
+            => Prefix(newPrefix);
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [Priority(0)]
+        public async Task Prefix([Leftover] string toSet)
+        {
+            if (string.IsNullOrWhiteSpace(prefix))
+                return;
+
+            var oldPrefix = prefix;
+            var newPrefix = _cmdHandler.SetPrefix(ctx.Guild, toSet);
+
+            await ReplyConfirmLocalizedAsync(strs.prefix_new(Format.Code(oldPrefix), Format.Code(newPrefix)));
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task DefPrefix([Leftover] string toSet = null)
+        {
+            if (string.IsNullOrWhiteSpace(toSet))
+            {
+                await ReplyConfirmLocalizedAsync(strs.defprefix_current(_cmdHandler.GetPrefix()));
+                return;
+            }
+
+            var oldPrefix = _cmdHandler.GetPrefix();
+            var newPrefix = _cmdHandler.SetDefaultPrefix(toSet);
+
+            await ReplyConfirmLocalizedAsync(strs.defprefix_new(Format.Code(oldPrefix), Format.Code(newPrefix)));
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/Protection/ProtectionCommands.cs

@@ -0,0 +1,288 @@
+#nullable disable
+using NadekoBot.Common.TypeReaders.Models;
+using NadekoBot.Modules.Administration.Services;
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration
+{
+    [Group]
+    public partial class ProtectionCommands : NadekoModule<ProtectionService>
+    {
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        public async Task AntiAlt()
+        {
+            if (await _service.TryStopAntiAlt(ctx.Guild.Id))
+            {
+                await ReplyConfirmLocalizedAsync(strs.prot_disable("Anti-Alt"));
+                return;
+            }
+
+            await ReplyConfirmLocalizedAsync(strs.protection_not_running("Anti-Alt"));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        public async Task AntiAlt(
+            StoopidTime minAge,
+            PunishmentAction action,
+            [Leftover] StoopidTime punishTime = null)
+        {
+            var minAgeMinutes = (int)minAge.Time.TotalMinutes;
+            var punishTimeMinutes = (int?)punishTime?.Time.TotalMinutes ?? 0;
+
+            if (minAgeMinutes < 1 || punishTimeMinutes < 0)
+                return;
+
+            var minutes = (int?)punishTime?.Time.TotalMinutes ?? 0;
+            if (action is PunishmentAction.TimeOut && minutes < 1)
+                minutes = 1;
+
+            await _service.StartAntiAltAsync(ctx.Guild.Id,
+                minAgeMinutes,
+                action,
+                minutes);
+
+            await ctx.OkAsync();
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        public async Task AntiAlt(StoopidTime minAge, PunishmentAction action, [Leftover] IRole role)
+        {
+            var minAgeMinutes = (int)minAge.Time.TotalMinutes;
+
+            if (minAgeMinutes < 1)
+                return;
+
+            if (action == PunishmentAction.TimeOut)
+                return;
+
+            await _service.StartAntiAltAsync(ctx.Guild.Id, minAgeMinutes, action, roleId: role.Id);
+
+            await ctx.OkAsync();
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        public Task AntiRaid()
+        {
+            if (_service.TryStopAntiRaid(ctx.Guild.Id))
+                return ReplyConfirmLocalizedAsync(strs.prot_disable("Anti-Raid"));
+            return ReplyPendingLocalizedAsync(strs.protection_not_running("Anti-Raid"));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [Priority(1)]
+        public Task AntiRaid(
+            int userThreshold,
+            int seconds,
+            PunishmentAction action,
+            [Leftover] StoopidTime punishTime)
+            => InternalAntiRaid(userThreshold, seconds, action, punishTime);
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [Priority(2)]
+        public Task AntiRaid(int userThreshold, int seconds, PunishmentAction action)
+            => InternalAntiRaid(userThreshold, seconds, action);
+
+        private async Task InternalAntiRaid(
+            int userThreshold,
+            int seconds = 10,
+            PunishmentAction action = PunishmentAction.Mute,
+            StoopidTime punishTime = null)
+        {
+            if (action == PunishmentAction.AddRole)
+            {
+                await ReplyErrorLocalizedAsync(strs.punishment_unsupported(action));
+                return;
+            }
+
+            if (userThreshold is < 2 or > 30)
+            {
+                await ReplyErrorLocalizedAsync(strs.raid_cnt(2, 30));
+                return;
+            }
+
+            if (seconds is < 2 or > 300)
+            {
+                await ReplyErrorLocalizedAsync(strs.raid_time(2, 300));
+                return;
+            }
+
+            if (punishTime is not null)
+            {
+                if (!_service.IsDurationAllowed(action))
+                    await ReplyErrorLocalizedAsync(strs.prot_cant_use_time);
+            }
+
+            var time = (int?)punishTime?.Time.TotalMinutes ?? 0;
+            if (time is < 0 or > 60 * 24)
+                return;
+            
+            if(action is PunishmentAction.TimeOut && time < 1)
+                return;
+
+            var stats = await _service.StartAntiRaidAsync(ctx.Guild.Id, userThreshold, seconds, action, time);
+
+            if (stats is null)
+                return;
+
+            await SendConfirmAsync(GetText(strs.prot_enable("Anti-Raid")),
+                $"{ctx.User.Mention} {GetAntiRaidString(stats)}");
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        public Task AntiSpam()
+        {
+            if (_service.TryStopAntiSpam(ctx.Guild.Id))
+                return ReplyConfirmLocalizedAsync(strs.prot_disable("Anti-Spam"));
+            return ReplyPendingLocalizedAsync(strs.protection_not_running("Anti-Spam"));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [Priority(0)]
+        public Task AntiSpam(int messageCount, PunishmentAction action, [Leftover] IRole role)
+        {
+            if (action != PunishmentAction.AddRole)
+                return Task.CompletedTask;
+
+            return InternalAntiSpam(messageCount, action, null, role);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [Priority(1)]
+        public Task AntiSpam(int messageCount, PunishmentAction action, [Leftover] StoopidTime punishTime)
+            => InternalAntiSpam(messageCount, action, punishTime);
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [Priority(2)]
+        public Task AntiSpam(int messageCount, PunishmentAction action)
+            => InternalAntiSpam(messageCount, action);
+
+        private async Task InternalAntiSpam(
+            int messageCount,
+            PunishmentAction action,
+            StoopidTime timeData = null,
+            IRole role = null)
+        {
+            if (messageCount is < 2 or > 10)
+                return;
+
+            if (timeData is not null)
+            {
+                if (!_service.IsDurationAllowed(action))
+                    await ReplyErrorLocalizedAsync(strs.prot_cant_use_time);
+            }
+
+            var time = (int?)timeData?.Time.TotalMinutes ?? 0;
+            if (time is < 0 or > 60 * 24)
+                return;
+
+            if (action is PunishmentAction.TimeOut && time < 1)
+                return;
+
+            var stats = await _service.StartAntiSpamAsync(ctx.Guild.Id, messageCount, action, time, role?.Id);
+
+            await SendConfirmAsync(GetText(strs.prot_enable("Anti-Spam")),
+                $"{ctx.User.Mention} {GetAntiSpamString(stats)}");
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        public async Task AntispamIgnore()
+        {
+            var added = await _service.AntiSpamIgnoreAsync(ctx.Guild.Id, ctx.Channel.Id);
+
+            if (added is null)
+            {
+                await ReplyErrorLocalizedAsync(strs.protection_not_running("Anti-Spam"));
+                return;
+            }
+
+            if (added.Value)
+                await ReplyConfirmLocalizedAsync(strs.spam_ignore("Anti-Spam"));
+            else
+                await ReplyConfirmLocalizedAsync(strs.spam_not_ignore("Anti-Spam"));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        public async Task AntiList()
+        {
+            var (spam, raid, alt) = _service.GetAntiStats(ctx.Guild.Id);
+
+            if (spam is null && raid is null && alt is null)
+            {
+                await ReplyConfirmLocalizedAsync(strs.prot_none);
+                return;
+            }
+
+            var embed = _eb.Create().WithOkColor().WithTitle(GetText(strs.prot_active));
+
+            if (spam is not null)
+                embed.AddField("Anti-Spam", GetAntiSpamString(spam).TrimTo(1024), true);
+
+            if (raid is not null)
+                embed.AddField("Anti-Raid", GetAntiRaidString(raid).TrimTo(1024), true);
+
+            if (alt is not null)
+                embed.AddField("Anti-Alt", GetAntiAltString(alt), true);
+
+            await ctx.Channel.EmbedAsync(embed);
+        }
+
+        private string GetAntiAltString(AntiAltStats alt)
+            => GetText(strs.anti_alt_status(Format.Bold(alt.MinAge.ToString(@"dd\d\ hh\h\ mm\m\ ")),
+                Format.Bold(alt.Action.ToString()),
+                Format.Bold(alt.Counter.ToString())));
+
+        private string GetAntiSpamString(AntiSpamStats stats)
+        {
+            var settings = stats.AntiSpamSettings;
+            var ignoredString = string.Join(", ", settings.IgnoredChannels.Select(c => $"<#{c.ChannelId}>"));
+
+            if (string.IsNullOrWhiteSpace(ignoredString))
+                ignoredString = "none";
+
+            var add = string.Empty;
+            if (settings.MuteTime > 0)
+                add = $" ({TimeSpan.FromMinutes(settings.MuteTime):hh\\hmm\\m})";
+
+            return GetText(strs.spam_stats(Format.Bold(settings.MessageThreshold.ToString()),
+                Format.Bold(settings.Action + add),
+                ignoredString));
+        }
+
+        private string GetAntiRaidString(AntiRaidStats stats)
+        {
+            var actionString = Format.Bold(stats.AntiRaidSettings.Action.ToString());
+
+            if (stats.AntiRaidSettings.PunishDuration > 0)
+                actionString += $" **({TimeSpan.FromMinutes(stats.AntiRaidSettings.PunishDuration):hh\\hmm\\m})**";
+
+            return GetText(strs.raid_stats(Format.Bold(stats.AntiRaidSettings.UserThreshold.ToString()),
+                Format.Bold(stats.AntiRaidSettings.Seconds.ToString()),
+                actionString));
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/Protection/ProtectionService.cs

@@ -0,0 +1,499 @@
+#nullable disable
+using Microsoft.EntityFrameworkCore;
+using NadekoBot.Db;
+using NadekoBot.Services.Database.Models;
+using System.Threading.Channels;
+
+namespace NadekoBot.Modules.Administration.Services;
+
+public class ProtectionService : INService
+{
+    public event Func<PunishmentAction, ProtectionType, IGuildUser[], Task> OnAntiProtectionTriggered = delegate
+    {
+        return Task.CompletedTask;
+    };
+
+    private readonly ConcurrentDictionary<ulong, AntiRaidStats> _antiRaidGuilds = new();
+
+    private readonly ConcurrentDictionary<ulong, AntiSpamStats> _antiSpamGuilds = new();
+
+    private readonly ConcurrentDictionary<ulong, AntiAltStats> _antiAltGuilds = new();
+
+    private readonly DiscordSocketClient _client;
+    private readonly MuteService _mute;
+    private readonly DbService _db;
+    private readonly UserPunishService _punishService;
+
+    private readonly Channel<PunishQueueItem> _punishUserQueue =
+        Channel.CreateUnbounded<PunishQueueItem>(new()
+        {
+            SingleReader = true,
+            SingleWriter = false
+        });
+
+    public ProtectionService(
+        DiscordSocketClient client,
+        IBot bot,
+        MuteService mute,
+        DbService db,
+        UserPunishService punishService)
+    {
+        _client = client;
+        _mute = mute;
+        _db = db;
+        _punishService = punishService;
+
+        var ids = client.GetGuildIds();
+        using (var uow = db.GetDbContext())
+        {
+            var configs = uow.Set<GuildConfig>()
+                             .AsQueryable()
+                             .Include(x => x.AntiRaidSetting)
+                             .Include(x => x.AntiSpamSetting)
+                             .ThenInclude(x => x.IgnoredChannels)
+                             .Include(x => x.AntiAltSetting)
+                             .Where(x => ids.Contains(x.GuildId))
+                             .ToList();
+
+            foreach (var gc in configs)
+                Initialize(gc);
+        }
+
+        _client.MessageReceived += HandleAntiSpam;
+        _client.UserJoined += HandleUserJoined;
+
+        bot.JoinedGuild += _bot_JoinedGuild;
+        _client.LeftGuild += _client_LeftGuild;
+
+        _ = Task.Run(RunQueue);
+    }
+
+    private async Task RunQueue()
+    {
+        while (true)
+        {
+            var item = await _punishUserQueue.Reader.ReadAsync();
+
+            var muteTime = item.MuteTime;
+            var gu = item.User;
+            try
+            {
+                await _punishService.ApplyPunishment(gu.Guild,
+                    gu,
+                    _client.CurrentUser,
+                    item.Action,
+                    muteTime,
+                    item.RoleId,
+                    $"{item.Type} Protection");
+            }
+            catch (Exception ex)
+            {
+                Log.Warning(ex, "Error in punish queue: {Message}", ex.Message);
+            }
+            finally
+            {
+                await Task.Delay(1000);
+            }
+        }
+    }
+
+    private Task _client_LeftGuild(SocketGuild guild)
+    {
+        _ = Task.Run(async () =>
+        {
+            TryStopAntiRaid(guild.Id);
+            TryStopAntiSpam(guild.Id);
+            await TryStopAntiAlt(guild.Id);
+        });
+        return Task.CompletedTask;
+    }
+
+    private Task _bot_JoinedGuild(GuildConfig gc)
+    {
+        using var uow = _db.GetDbContext();
+        var gcWithData = uow.GuildConfigsForId(gc.GuildId,
+            set => set.Include(x => x.AntiRaidSetting)
+                      .Include(x => x.AntiAltSetting)
+                      .Include(x => x.AntiSpamSetting)
+                      .ThenInclude(x => x.IgnoredChannels));
+
+        Initialize(gcWithData);
+        return Task.CompletedTask;
+    }
+
+    private void Initialize(GuildConfig gc)
+    {
+        var raid = gc.AntiRaidSetting;
+        var spam = gc.AntiSpamSetting;
+
+        if (raid is not null)
+        {
+            var raidStats = new AntiRaidStats
+            {
+                AntiRaidSettings = raid
+            };
+            _antiRaidGuilds[gc.GuildId] = raidStats;
+        }
+
+        if (spam is not null)
+        {
+            _antiSpamGuilds[gc.GuildId] = new()
+            {
+                AntiSpamSettings = spam
+            };
+        }
+
+        var alt = gc.AntiAltSetting;
+        if (alt is not null)
+            _antiAltGuilds[gc.GuildId] = new(alt);
+    }
+
+    private Task HandleUserJoined(SocketGuildUser user)
+    {
+        if (user.IsBot)
+            return Task.CompletedTask;
+
+        _antiRaidGuilds.TryGetValue(user.Guild.Id, out var maybeStats);
+        _antiAltGuilds.TryGetValue(user.Guild.Id, out var maybeAlts);
+
+        if (maybeStats is null && maybeAlts is null)
+            return Task.CompletedTask;
+
+        _ = Task.Run(async () =>
+        {
+            if (maybeAlts is { } alts)
+            {
+                if (user.CreatedAt != default)
+                {
+                    var diff = DateTime.UtcNow - user.CreatedAt.UtcDateTime;
+                    if (diff < alts.MinAge)
+                    {
+                        alts.Increment();
+
+                        await PunishUsers(alts.Action,
+                            ProtectionType.Alting,
+                            alts.ActionDurationMinutes,
+                            alts.RoleId,
+                            user);
+
+                        return;
+                    }
+                }
+            }
+
+            try
+            {
+                if (maybeStats is not { } stats || !stats.RaidUsers.Add(user))
+                    return;
+
+                ++stats.UsersCount;
+
+                if (stats.UsersCount >= stats.AntiRaidSettings.UserThreshold)
+                {
+                    var users = stats.RaidUsers.ToArray();
+                    stats.RaidUsers.Clear();
+                    var settings = stats.AntiRaidSettings;
+
+                    await PunishUsers(settings.Action, ProtectionType.Raiding, settings.PunishDuration, null, users);
+                }
+
+                await Task.Delay(1000 * stats.AntiRaidSettings.Seconds);
+
+                stats.RaidUsers.TryRemove(user);
+                --stats.UsersCount;
+            }
+            catch
+            {
+                // ignored
+            }
+        });
+        return Task.CompletedTask;
+    }
+
+    private Task HandleAntiSpam(SocketMessage arg)
+    {
+        if (arg is not SocketUserMessage msg || msg.Author.IsBot)
+            return Task.CompletedTask;
+
+        if (msg.Channel is not ITextChannel channel)
+            return Task.CompletedTask;
+
+        _ = Task.Run(async () =>
+        {
+            try
+            {
+                if (!_antiSpamGuilds.TryGetValue(channel.Guild.Id, out var spamSettings)
+                    || spamSettings.AntiSpamSettings.IgnoredChannels.Contains(new()
+                    {
+                        ChannelId = channel.Id
+                    }))
+                    return;
+
+                var stats = spamSettings.UserStats.AddOrUpdate(msg.Author.Id,
+                    _ => new(msg),
+                    (_, old) =>
+                    {
+                        old.ApplyNextMessage(msg);
+                        return old;
+                    });
+
+                if (stats.Count >= spamSettings.AntiSpamSettings.MessageThreshold)
+                {
+                    if (spamSettings.UserStats.TryRemove(msg.Author.Id, out stats))
+                    {
+                        var settings = spamSettings.AntiSpamSettings;
+                        await PunishUsers(settings.Action,
+                            ProtectionType.Spamming,
+                            settings.MuteTime,
+                            settings.RoleId,
+                            (IGuildUser)msg.Author);
+                    }
+                }
+            }
+            catch
+            {
+                // ignored
+            }
+        });
+        return Task.CompletedTask;
+    }
+
+    private async Task PunishUsers(
+        PunishmentAction action,
+        ProtectionType pt,
+        int muteTime,
+        ulong? roleId,
+        params IGuildUser[] gus)
+    {
+        Log.Information("[{PunishType}] - Punishing [{Count}] users with [{PunishAction}] in {GuildName} guild",
+            pt,
+            gus.Length,
+            action,
+            gus[0].Guild.Name);
+
+        foreach (var gu in gus)
+        {
+            await _punishUserQueue.Writer.WriteAsync(new()
+            {
+                Action = action,
+                Type = pt,
+                User = gu,
+                MuteTime = muteTime,
+                RoleId = roleId
+            });
+        }
+
+        _ = OnAntiProtectionTriggered(action, pt, gus);
+    }
+
+    public async Task<AntiRaidStats> StartAntiRaidAsync(
+        ulong guildId,
+        int userThreshold,
+        int seconds,
+        PunishmentAction action,
+        int minutesDuration)
+    {
+        var g = _client.GetGuild(guildId);
+        await _mute.GetMuteRole(g);
+
+        if (action == PunishmentAction.AddRole)
+            return null;
+
+        if (!IsDurationAllowed(action))
+            minutesDuration = 0;
+
+        var stats = new AntiRaidStats
+        {
+            AntiRaidSettings = new()
+            {
+                Action = action,
+                Seconds = seconds,
+                UserThreshold = userThreshold,
+                PunishDuration = minutesDuration
+            }
+        };
+
+        _antiRaidGuilds.AddOrUpdate(guildId, stats, (_, _) => stats);
+
+        await using var uow = _db.GetDbContext();
+        var gc = uow.GuildConfigsForId(guildId, set => set.Include(x => x.AntiRaidSetting));
+
+        gc.AntiRaidSetting = stats.AntiRaidSettings;
+        await uow.SaveChangesAsync();
+
+        return stats;
+    }
+
+    public bool TryStopAntiRaid(ulong guildId)
+    {
+        if (_antiRaidGuilds.TryRemove(guildId, out _))
+        {
+            using var uow = _db.GetDbContext();
+            var gc = uow.GuildConfigsForId(guildId, set => set.Include(x => x.AntiRaidSetting));
+
+            gc.AntiRaidSetting = null;
+            uow.SaveChanges();
+            return true;
+        }
+
+        return false;
+    }
+
+    public bool TryStopAntiSpam(ulong guildId)
+    {
+        if (_antiSpamGuilds.TryRemove(guildId, out _))
+        {
+            using var uow = _db.GetDbContext();
+            var gc = uow.GuildConfigsForId(guildId,
+                set => set.Include(x => x.AntiSpamSetting).ThenInclude(x => x.IgnoredChannels));
+
+            gc.AntiSpamSetting = null;
+            uow.SaveChanges();
+            return true;
+        }
+
+        return false;
+    }
+
+    public async Task<AntiSpamStats> StartAntiSpamAsync(
+        ulong guildId,
+        int messageCount,
+        PunishmentAction action,
+        int punishDurationMinutes,
+        ulong? roleId)
+    {
+        var g = _client.GetGuild(guildId);
+        await _mute.GetMuteRole(g);
+
+        if (!IsDurationAllowed(action))
+            punishDurationMinutes = 0;
+
+        var stats = new AntiSpamStats
+        {
+            AntiSpamSettings = new()
+            {
+                Action = action,
+                MessageThreshold = messageCount,
+                MuteTime = punishDurationMinutes,
+                RoleId = roleId
+            }
+        };
+
+        stats = _antiSpamGuilds.AddOrUpdate(guildId,
+            stats,
+            (_, old) =>
+            {
+                stats.AntiSpamSettings.IgnoredChannels = old.AntiSpamSettings.IgnoredChannels;
+                return stats;
+            });
+
+        await using var uow = _db.GetDbContext();
+        var gc = uow.GuildConfigsForId(guildId, set => set.Include(x => x.AntiSpamSetting));
+
+        if (gc.AntiSpamSetting is not null)
+        {
+            gc.AntiSpamSetting.Action = stats.AntiSpamSettings.Action;
+            gc.AntiSpamSetting.MessageThreshold = stats.AntiSpamSettings.MessageThreshold;
+            gc.AntiSpamSetting.MuteTime = stats.AntiSpamSettings.MuteTime;
+            gc.AntiSpamSetting.RoleId = stats.AntiSpamSettings.RoleId;
+        }
+        else
+            gc.AntiSpamSetting = stats.AntiSpamSettings;
+
+        await uow.SaveChangesAsync();
+        return stats;
+    }
+
+    public async Task<bool?> AntiSpamIgnoreAsync(ulong guildId, ulong channelId)
+    {
+        var obj = new AntiSpamIgnore
+        {
+            ChannelId = channelId
+        };
+        bool added;
+        await using var uow = _db.GetDbContext();
+        var gc = uow.GuildConfigsForId(guildId,
+            set => set.Include(x => x.AntiSpamSetting).ThenInclude(x => x.IgnoredChannels));
+        var spam = gc.AntiSpamSetting;
+        if (spam is null)
+            return null;
+
+        if (spam.IgnoredChannels.Add(obj)) // if adding to db is successful
+        {
+            if (_antiSpamGuilds.TryGetValue(guildId, out var temp))
+                temp.AntiSpamSettings.IgnoredChannels.Add(obj); // add to local cache
+
+            added = true;
+        }
+        else
+        {
+            var toRemove = spam.IgnoredChannels.First(x => x.ChannelId == channelId);
+            uow.Set<AntiSpamIgnore>().Remove(toRemove); // remove from db
+            if (_antiSpamGuilds.TryGetValue(guildId, out var temp))
+                temp.AntiSpamSettings.IgnoredChannels.Remove(toRemove); // remove from local cache
+
+            added = false;
+        }
+
+        await uow.SaveChangesAsync();
+        return added;
+    }
+
+    public (AntiSpamStats, AntiRaidStats, AntiAltStats) GetAntiStats(ulong guildId)
+    {
+        _antiRaidGuilds.TryGetValue(guildId, out var antiRaidStats);
+        _antiSpamGuilds.TryGetValue(guildId, out var antiSpamStats);
+        _antiAltGuilds.TryGetValue(guildId, out var antiAltStats);
+
+        return (antiSpamStats, antiRaidStats, antiAltStats);
+    }
+
+    public bool IsDurationAllowed(PunishmentAction action)
+    {
+        switch (action)
+        {
+            case PunishmentAction.Ban:
+            case PunishmentAction.Mute:
+            case PunishmentAction.ChatMute:
+            case PunishmentAction.VoiceMute:
+            case PunishmentAction.AddRole:
+            case PunishmentAction.TimeOut:
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    public async Task StartAntiAltAsync(
+        ulong guildId,
+        int minAgeMinutes,
+        PunishmentAction action,
+        int actionDurationMinutes = 0,
+        ulong? roleId = null)
+    {
+        await using var uow = _db.GetDbContext();
+        var gc = uow.GuildConfigsForId(guildId, set => set.Include(x => x.AntiAltSetting));
+        gc.AntiAltSetting = new()
+        {
+            Action = action,
+            ActionDurationMinutes = actionDurationMinutes,
+            MinAge = TimeSpan.FromMinutes(minAgeMinutes),
+            RoleId = roleId
+        };
+
+        await uow.SaveChangesAsync();
+        _antiAltGuilds[guildId] = new(gc.AntiAltSetting);
+    }
+
+    public async Task<bool> TryStopAntiAlt(ulong guildId)
+    {
+        if (!_antiAltGuilds.TryRemove(guildId, out _))
+            return false;
+
+        await using var uow = _db.GetDbContext();
+        var gc = uow.GuildConfigsForId(guildId, set => set.Include(x => x.AntiAltSetting));
+        gc.AntiAltSetting = null;
+        await uow.SaveChangesAsync();
+        return true;
+    }
+}

src/Nadeko.Bot.Modules.Administration/Protection/ProtectionStats.cs

@@ -0,0 +1,52 @@
+#nullable disable
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Modules.Administration;
+
+public enum ProtectionType
+{
+    Raiding,
+    Spamming,
+    Alting
+}
+
+public class AntiRaidStats
+{
+    public AntiRaidSetting AntiRaidSettings { get; set; }
+    public int UsersCount { get; set; }
+    public ConcurrentHashSet<IGuildUser> RaidUsers { get; set; } = new();
+}
+
+public class AntiSpamStats
+{
+    public AntiSpamSetting AntiSpamSettings { get; set; }
+    public ConcurrentDictionary<ulong, UserSpamStats> UserStats { get; set; } = new();
+}
+
+public class AntiAltStats
+{
+    public PunishmentAction Action
+        => _setting.Action;
+
+    public int ActionDurationMinutes
+        => _setting.ActionDurationMinutes;
+
+    public ulong? RoleId
+        => _setting.RoleId;
+
+    public TimeSpan MinAge
+        => _setting.MinAge;
+
+    public int Counter
+        => counter;
+
+    private readonly AntiAltSetting _setting;
+
+    private int counter;
+
+    public AntiAltStats(AntiAltSetting setting)
+        => _setting = setting;
+
+    public void Increment()
+        => Interlocked.Increment(ref counter);
+}

src/Nadeko.Bot.Modules.Administration/Protection/PunishQueueItem.cs

@@ -0,0 +1,13 @@
+#nullable disable
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Modules.Administration;
+
+public class PunishQueueItem
+{
+    public PunishmentAction Action { get; set; }
+    public ProtectionType Type { get; set; }
+    public int MuteTime { get; set; }
+    public ulong? RoleId { get; set; }
+    public IGuildUser User { get; set; }
+}

src/Nadeko.Bot.Modules.Administration/Protection/UserSpamStats.cs

@@ -0,0 +1,64 @@
+#nullable disable
+namespace NadekoBot.Modules.Administration;
+
+public sealed class UserSpamStats
+{
+    public int Count
+    {
+        get
+        {
+            lock (_applyLock)
+            {
+                Cleanup();
+                return _messageTracker.Count;
+            }
+        }
+    }
+
+    private string lastMessage;
+
+    private readonly Queue<DateTime> _messageTracker;
+
+    private readonly object _applyLock = new();
+
+    private readonly TimeSpan _maxTime = TimeSpan.FromMinutes(30);
+
+    public UserSpamStats(IUserMessage msg)
+    {
+        lastMessage = msg.Content.ToUpperInvariant();
+        _messageTracker = new();
+
+        ApplyNextMessage(msg);
+    }
+
+    public void ApplyNextMessage(IUserMessage message)
+    {
+        var upperMsg = message.Content.ToUpperInvariant();
+
+        lock (_applyLock)
+        {
+            if (upperMsg != lastMessage || (string.IsNullOrWhiteSpace(upperMsg) && message.Attachments.Any()))
+            {
+                // if it's a new message, reset spam counter
+                lastMessage = upperMsg;
+                _messageTracker.Clear();
+            }
+
+            _messageTracker.Enqueue(DateTime.UtcNow);
+        }
+    }
+
+    private void Cleanup()
+    {
+        lock (_applyLock)
+        {
+            while (_messageTracker.TryPeek(out var dateTime))
+            {
+                if (DateTime.UtcNow - dateTime < _maxTime)
+                    break;
+
+                _messageTracker.Dequeue();
+            }
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/Prune/PruneCommands.cs

@@ -0,0 +1,114 @@
+#nullable disable
+using CommandLine;
+using NadekoBot.Modules.Administration.Services;
+
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration
+{
+    [Group]
+    public partial class PruneCommands : NadekoModule<PruneService>
+    {
+        private static readonly TimeSpan _twoWeeks = TimeSpan.FromDays(14);
+
+        public sealed class PruneOptions : INadekoCommandOptions
+        {
+            [Option(shortName: 's', longName: "safe", Default = false, HelpText = "Whether pinned messages should be deleted.", Required = false)]
+            public bool Safe { get; set; }
+            
+            [Option(shortName: 'a', longName: "after", Default = null, HelpText = "Prune only messages after the specified message ID.", Required = false)]
+            public ulong? After { get; set; }
+
+            public void NormalizeOptions()
+            {
+            }
+        }
+        
+        //deletes her own messages, no perm required
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [NadekoOptions<PruneOptions>]
+        public async Task Prune(params string[] args)
+        {
+            var (opts, _) = OptionsParser.ParseFrom(new PruneOptions(), args);
+            
+            var user = await ctx.Guild.GetCurrentUserAsync();
+
+            if (opts.Safe)
+                await _service.PruneWhere((ITextChannel)ctx.Channel, 100, x => x.Author.Id == user.Id && !x.IsPinned, opts.After);
+            else
+                await _service.PruneWhere((ITextChannel)ctx.Channel, 100, x => x.Author.Id == user.Id, opts.After);
+            
+            ctx.Message.DeleteAfter(3);
+        }
+
+        // prune x
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(ChannelPerm.ManageMessages)]
+        [BotPerm(ChannelPerm.ManageMessages)]
+        [NadekoOptions<PruneOptions>]
+        [Priority(1)]
+        public async Task Prune(int count, params string[] args)
+        {
+            count++;
+            if (count < 1)
+                return;
+            if (count > 1000)
+                count = 1000;
+            
+            var (opts, _) = OptionsParser.ParseFrom<PruneOptions>(new PruneOptions(), args);
+
+            if (opts.Safe)
+                await _service.PruneWhere((ITextChannel)ctx.Channel, count, x => !x.IsPinned, opts.After);
+            else
+                await _service.PruneWhere((ITextChannel)ctx.Channel, count, _ => true, opts.After);
+        }
+
+        //prune @user [x]
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(ChannelPerm.ManageMessages)]
+        [BotPerm(ChannelPerm.ManageMessages)]
+        [NadekoOptions<PruneOptions>]
+        [Priority(0)]
+        public Task Prune(IGuildUser user, int count = 100, params string[] args)
+            => Prune(user.Id, count, args);
+
+        //prune userid [x]
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(ChannelPerm.ManageMessages)]
+        [BotPerm(ChannelPerm.ManageMessages)]
+        [NadekoOptions<PruneOptions>]
+        [Priority(0)]
+        public async Task Prune(ulong userId, int count = 100, params string[] args)
+        {
+            if (userId == ctx.User.Id)
+                count++;
+
+            if (count < 1)
+                return;
+
+            if (count > 1000)
+                count = 1000;
+
+            var (opts, _) = OptionsParser.ParseFrom<PruneOptions>(new PruneOptions(), args);
+            
+            if (opts.Safe)
+            {
+                await _service.PruneWhere((ITextChannel)ctx.Channel,
+                    count,
+                    m => m.Author.Id == userId && DateTime.UtcNow - m.CreatedAt < _twoWeeks && !m.IsPinned,
+                    opts.After);
+            }
+            else
+            {
+                await _service.PruneWhere((ITextChannel)ctx.Channel,
+                    count,
+                    m => m.Author.Id == userId && DateTime.UtcNow - m.CreatedAt < _twoWeeks,
+                    opts.After);
+            }
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/Prune/PruneService.cs

@@ -0,0 +1,89 @@
+#nullable disable
+namespace NadekoBot.Modules.Administration.Services;
+
+public class PruneService : INService
+{
+    //channelids where prunes are currently occuring
+    private readonly ConcurrentHashSet<ulong> _pruningGuilds = new();
+    private readonly TimeSpan _twoWeeks = TimeSpan.FromDays(14);
+    private readonly ILogCommandService _logService;
+
+    public PruneService(ILogCommandService logService)
+        => _logService = logService;
+
+    public async Task PruneWhere(ITextChannel channel, int amount, Func<IMessage, bool> predicate, ulong? after = null)
+    {
+        ArgumentNullException.ThrowIfNull(channel, nameof(channel));
+
+        if (amount <= 0)
+            throw new ArgumentOutOfRangeException(nameof(amount));
+
+        if (!_pruningGuilds.Add(channel.GuildId))
+            return;
+
+        try
+        {
+            var now = DateTime.UtcNow;
+            IMessage[] msgs;
+            IMessage lastMessage = null;
+            var dled = await channel.GetMessagesAsync(50).FlattenAsync();
+            
+            msgs = dled
+                .Where(predicate)
+                .Where(x => after is ulong a ? x.Id > a : true)
+                .Take(amount)
+                .ToArray();
+            
+            while (amount > 0 && msgs.Any())
+            {
+                lastMessage = msgs[^1];
+
+                var bulkDeletable = new List<IMessage>();
+                var singleDeletable = new List<IMessage>();
+                foreach (var x in msgs)
+                {
+                    _logService.AddDeleteIgnore(x.Id);
+
+                    if (now - x.CreatedAt < _twoWeeks)
+                        bulkDeletable.Add(x);
+                    else
+                        singleDeletable.Add(x);
+                }
+
+                if (bulkDeletable.Count > 0)
+                {
+                    await channel.DeleteMessagesAsync(bulkDeletable);
+                    await Task.Delay(2000);
+                }
+
+                foreach (var group in singleDeletable.Chunk(5))
+                {
+                    await group.Select(x => x.DeleteAsync()).WhenAll();
+                    await Task.Delay(5000);
+                }
+
+                //this isn't good, because this still work as if i want to remove only specific user's messages from the last
+                //100 messages, Maybe this needs to be reduced by msgs.Length instead of 100
+                amount -= 50;
+                if (amount > 0)
+                {
+                    dled = await channel.GetMessagesAsync(lastMessage, Direction.Before, 50).FlattenAsync();
+
+                    msgs = dled
+                        .Where(predicate)
+                        .Where(x => after is ulong a ? x.Id > a : true)
+                        .Take(amount)
+                        .ToArray();
+                }
+            }
+        }
+        catch
+        {
+            //ignore
+        }
+        finally
+        {
+            _pruningGuilds.TryRemove(channel.GuildId);
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/Role/IReactionRoleService.cs

@@ -0,0 +1,52 @@
+#nullable disable
+using NadekoBot.Modules.Utility.Patronage;
+using NadekoBot.Services.Database.Models;
+using OneOf;
+using OneOf.Types;
+
+namespace NadekoBot.Modules.Administration.Services;
+
+public interface IReactionRoleService
+{
+    /// <summary>
+    /// Adds a single reaction role
+    /// </summary>
+    /// <param name="guild">Guild where to add a reaction role</param>
+    /// <param name="msg">Message to which to add a reaction role</param>
+    /// <param name="emote"></param>
+    /// <param name="role"></param>
+    /// <param name="group"></param>
+    /// <param name="levelReq"></param>
+    /// <returns>The result of the operation</returns>
+    Task<OneOf<Success, FeatureLimit>> AddReactionRole(
+        IGuild guild,
+        IMessage msg,
+        string emote,
+        IRole role,
+        int group = 0,
+        int levelReq = 0);
+
+    /// <summary>
+    /// Get all reaction roles on the specified server
+    /// </summary>
+    /// <param name="guildId"></param>
+    /// <returns></returns>
+    Task<IReadOnlyCollection<ReactionRoleV2>> GetReactionRolesAsync(ulong guildId);
+
+    /// <summary>
+    /// Remove reaction roles on the specified message
+    /// </summary>
+    /// <param name="guildId"></param>
+    /// <param name="messageId"></param>
+    /// <returns></returns>
+    Task<bool> RemoveReactionRoles(ulong guildId, ulong messageId);
+
+    /// <summary>
+    /// Remove all reaction roles in the specified server
+    /// </summary>
+    /// <param name="guildId"></param>
+    /// <returns></returns>
+    Task<int> RemoveAllReactionRoles(ulong guildId);
+
+    Task<IReadOnlyCollection<IEmote>> TransferReactionRolesAsync(ulong guildId, ulong fromMessageId, ulong toMessageId);
+}

src/Nadeko.Bot.Modules.Administration/Role/ReactionRoleCommands.cs

@@ -0,0 +1,171 @@
+using NadekoBot.Modules.Administration.Services;
+
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration
+{
+    public partial class ReactionRoleCommands : NadekoModule
+    {
+        private readonly IReactionRoleService _rero;
+
+        public ReactionRoleCommands(IReactionRoleService rero)
+        {
+            _rero = rero;
+        }
+        
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        public async Task ReactionRoleAdd(
+            ulong messageId,
+            string emoteStr,
+            IRole role,
+            int group = 0,
+            int levelReq = 0)
+        {
+            if (group < 0)
+                return;
+
+            if (levelReq < 0)
+                return;
+            
+            var msg = await ctx.Channel.GetMessageAsync(messageId);
+            if (msg is null)
+            {
+                await ReplyErrorLocalizedAsync(strs.not_found);
+                return;
+            }
+            
+            if (ctx.User.Id != ctx.Guild.OwnerId && ((IGuildUser)ctx.User).GetRoles().Max(x => x.Position) <= role.Position)
+            {
+                await ReplyErrorLocalizedAsync(strs.hierarchy);
+                return;
+            }
+
+            var emote = emoteStr.ToIEmote();
+            await msg.AddReactionAsync(emote);
+            var res = await _rero.AddReactionRole(ctx.Guild,
+                msg,
+                emoteStr,
+                role,
+                group,
+                levelReq);
+
+            await res.Match(
+                _ => ctx.OkAsync(),
+                fl =>
+                {
+                    _ = msg.RemoveReactionAsync(emote, ctx.Client.CurrentUser);
+                    return !fl.IsPatronLimit
+                        ? ReplyErrorLocalizedAsync(strs.limit_reached(fl.Quota))
+                        : ReplyPendingLocalizedAsync(strs.feature_limit_reached_owner(fl.Quota, fl.Name));
+                });
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        public async Task ReactionRolesList(int page = 1)
+        {
+            if (--page < 0)
+                return;
+            
+            var reros = await _rero.GetReactionRolesAsync(ctx.Guild.Id);
+
+            await ctx.SendPaginatedConfirmAsync(page, curPage =>
+            {
+                var embed = _eb.Create(ctx)
+                               .WithOkColor();
+
+                var content = string.Empty;
+                foreach (var g in reros.OrderBy(x => x.Group)
+                                       .Skip(curPage * 10)
+                                       .GroupBy(x => x.MessageId)
+                                       .OrderBy(x => x.Key))
+                {
+                    var messageId = g.Key;
+                    content +=
+                        $"[{messageId}](https://discord.com/channels/{ctx.Guild.Id}/{g.First().ChannelId}/{g.Key})\n";
+
+                    var groupGroups = g.GroupBy(x => x.Group);
+
+                    foreach (var ggs in groupGroups)
+                    {
+                        content += $"`< {(g.Key == 0 ? ("Not Exclusive (Group 0)") : ($"Group {ggs.Key}"))} >`\n";
+
+                        foreach (var rero in ggs)
+                        {
+                            content +=
+                                $"\t{rero.Emote} -> {(ctx.Guild.GetRole(rero.RoleId)?.Mention ?? "<missing role>")}";
+                            if (rero.LevelReq > 0)
+                                content += $" (lvl {rero.LevelReq}+)";
+                            content += '\n';
+                        }
+                    }
+
+                }
+
+                embed.WithDescription(string.IsNullOrWhiteSpace(content)
+                    ? "There are no reaction roles on this server"
+                    : content);
+
+                return embed;
+            }, reros.Count, 10);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        public async Task ReactionRolesRemove(ulong messageId)
+        {
+            var succ = await _rero.RemoveReactionRoles(ctx.Guild.Id, messageId);
+            if (succ)
+                await ctx.OkAsync();
+            else
+                await ctx.ErrorAsync();
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        public async Task ReactionRolesDeleteAll()
+        {
+            await _rero.RemoveAllReactionRoles(ctx.Guild.Id);
+            await ctx.OkAsync();
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        [Ratelimit(60)]
+        public async Task ReactionRolesTransfer(ulong fromMessageId, ulong toMessageId)
+        {
+            var msg = await ctx.Channel.GetMessageAsync(toMessageId);
+
+            if (msg is null)
+            {
+                await ctx.ErrorAsync();
+                return;
+            }
+
+            var reactions = await _rero.TransferReactionRolesAsync(ctx.Guild.Id, fromMessageId, toMessageId);
+
+            if (reactions.Count == 0)
+            {
+                await ctx.ErrorAsync();
+            }
+            else
+            {
+                foreach (var r in reactions)
+                {
+                    await msg.AddReactionAsync(r);
+                }
+            }
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/Role/ReactionRolesService.cs

@@ -0,0 +1,396 @@
+#nullable disable
+using LinqToDB;
+using LinqToDB.EntityFrameworkCore;
+using NadekoBot.Common.ModuleBehaviors;
+using NadekoBot.Db;
+using NadekoBot.Modules.Utility.Patronage;
+using NadekoBot.Services.Database.Models;
+using OneOf.Types;
+using OneOf;
+
+namespace NadekoBot.Modules.Administration.Services;
+
+public sealed class ReactionRolesService : IReadyExecutor, INService, IReactionRoleService
+{
+    private readonly DbService _db;
+    private readonly DiscordSocketClient _client;
+    private readonly IBotCredentials _creds;
+
+    private ConcurrentDictionary<ulong, List<ReactionRoleV2>> _cache;
+    private readonly object _cacheLock = new();
+    private readonly SemaphoreSlim _assignementLock = new(1, 1);
+    private readonly IPatronageService _ps;
+
+    private static readonly FeatureLimitKey _reroFLKey = new()
+    {
+        Key = "rero:max_count",
+        PrettyName = "Reaction Role"
+    };
+
+    public ReactionRolesService(
+        DiscordSocketClient client,
+        DbService db,
+        IBotCredentials creds,
+        IPatronageService ps)
+    {
+        _db = db;
+        _ps = ps;
+        _client = client;
+        _creds = creds;
+        _cache = new();
+    }
+
+    public async Task OnReadyAsync()
+    {
+        await using var uow = _db.GetDbContext();
+        var reros = await uow.GetTable<ReactionRoleV2>()
+                             .Where(
+                                 x => Linq2DbExpressions.GuildOnShard(x.GuildId, _creds.TotalShards, _client.ShardId))
+                             .ToListAsyncLinqToDB();
+
+        foreach (var group in reros.GroupBy(x => x.MessageId))
+        {
+            _cache[group.Key] = group.ToList();
+        }
+
+        _client.ReactionAdded += ClientOnReactionAdded;
+        _client.ReactionRemoved += ClientOnReactionRemoved;
+    }
+
+    private async Task<(IGuildUser, IRole)> GetUserAndRoleAsync(
+        ulong userId,
+        ReactionRoleV2 rero)
+    {
+        var guild = _client.GetGuild(rero.GuildId);
+        var role = guild?.GetRole(rero.RoleId);
+
+        if (role is null)
+            return default;
+
+        var user = guild.GetUser(userId) as IGuildUser
+                   ?? await _client.Rest.GetGuildUserAsync(guild.Id, userId);
+
+        if (user is null)
+            return default;
+
+        return (user, role);
+    }
+
+    private Task ClientOnReactionRemoved(
+        Cacheable<IUserMessage, ulong> cmsg,
+        Cacheable<IMessageChannel, ulong> ch,
+        SocketReaction r)
+    {
+        if (!_cache.TryGetValue(cmsg.Id, out var reros))
+            return Task.CompletedTask;
+
+        _ = Task.Run(async () =>
+        {
+            var emote = await GetFixedEmoteAsync(cmsg, r.Emote);
+            
+            var rero = reros.FirstOrDefault(x => x.Emote == emote.Name 
+                                                 || x.Emote == emote.ToString());
+            if (rero is null)
+                return;
+
+            var (user, role) = await GetUserAndRoleAsync(r.UserId, rero);
+
+            if (user.IsBot)
+                return;
+
+            await _assignementLock.WaitAsync();
+            try
+            {
+                if (user.RoleIds.Contains(role.Id))
+                {
+                    await user.RemoveRoleAsync(role.Id);
+                }
+            }
+            finally
+            {
+                _assignementLock.Release();
+            }
+        });
+
+        return Task.CompletedTask;
+    }
+
+    
+    // had to add this because for some reason, reactionremoved event's reaction doesn't have IsAnimated set,
+    // causing the .ToString() to be wrong on animated custom emotes
+    private async Task<IEmote> GetFixedEmoteAsync(
+        Cacheable<IUserMessage, ulong> cmsg,
+        IEmote inputEmote)
+    {
+        // this should only run for emote
+        if (inputEmote is not Emote e)
+            return inputEmote;
+
+        // try to get the message and pull
+        var msg = await cmsg.GetOrDownloadAsync();
+
+        var emote = msg.Reactions.Keys.FirstOrDefault(x => e.Equals(x));
+        return emote ?? inputEmote;
+    }
+
+    private Task ClientOnReactionAdded(
+        Cacheable<IUserMessage, ulong> msg,
+        Cacheable<IMessageChannel, ulong> ch,
+        SocketReaction r)
+    {
+        if (!_cache.TryGetValue(msg.Id, out var reros))
+            return Task.CompletedTask;
+
+        _ = Task.Run(async () =>
+        {
+            var rero = reros.FirstOrDefault(x => x.Emote == r.Emote.Name || x.Emote == r.Emote.ToString());
+            if (rero is null)
+                return;
+
+            var (user, role) = await GetUserAndRoleAsync(r.UserId, rero);
+
+            if (user.IsBot)
+                return;
+
+            await _assignementLock.WaitAsync();
+            try
+            {
+                if (!user.RoleIds.Contains(role.Id))
+                {
+                    // first check if there is a level requirement
+                    // and if there is, make sure user satisfies it
+                    if (rero.LevelReq > 0)
+                    {
+                        await using var ctx = _db.GetDbContext();
+                        var levelData = await ctx.GetTable<UserXpStats>()
+                                                 .GetLevelDataFor(user.GuildId, user.Id);
+
+                        if (levelData.Level < rero.LevelReq)
+                            return;
+                    }
+
+                    // remove all other roles from the same group from the user
+                    // execept in group 0, which is a special, non-exclusive group
+                    if (rero.Group != 0)
+                    {
+                        var exclusive = reros
+                                        .Where(x => x.Group == rero.Group && x.RoleId != role.Id)
+                                        .Select(x => x.RoleId)
+                                        .Distinct();
+
+
+                        try { await user.RemoveRolesAsync(exclusive); }
+                        catch { }
+
+                        // remove user's previous reaction
+                        try
+                        {
+                            var m = await msg.GetOrDownloadAsync();
+                            if (m is not null)
+                            {
+                                var reactToRemove = m.Reactions
+                                                     .FirstOrDefault(x => x.Key.ToString() != r.Emote.ToString())
+                                                     .Key;
+
+                                if (reactToRemove is not null)
+                                {
+                                    await m.RemoveReactionAsync(reactToRemove, user);
+                                }
+                            }
+                        }
+                        catch
+                        {
+                        }
+                    }
+
+                    await user.AddRoleAsync(role.Id);
+                }
+            }
+            finally
+            {
+                _assignementLock.Release();
+            }
+        });
+
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// Adds a single reaction role
+    /// </summary>
+    /// <param name="guild">Guild where to add a reaction role</param>
+    /// <param name="msg">Message to which to add a reaction role</param>
+    /// <param name="emote"></param>
+    /// <param name="role"></param>
+    /// <param name="group"></param>
+    /// <param name="levelReq"></param>
+    /// <returns>The result of the operation</returns>
+    public async Task<OneOf<Success, FeatureLimit>> AddReactionRole(
+        IGuild guild,
+        IMessage msg,
+        string emote,
+        IRole role,
+        int group = 0,
+        int levelReq = 0)
+    {
+        if (group < 0)
+            throw new ArgumentOutOfRangeException(nameof(group));
+
+        if (levelReq < 0)
+            throw new ArgumentOutOfRangeException(nameof(group));
+
+        await using var ctx = _db.GetDbContext();
+
+        await using var tran = await ctx.Database.BeginTransactionAsync();
+        var activeReactionRoles = await ctx.GetTable<ReactionRoleV2>()
+                                           .Where(x => x.GuildId == guild.Id)
+                                           .CountAsync();
+        
+        var result = await _ps.TryGetFeatureLimitAsync(_reroFLKey, guild.OwnerId, 50);
+        if (result.Quota != -1 && activeReactionRoles >= result.Quota)
+            return result;
+
+        await ctx.GetTable<ReactionRoleV2>()
+                 .InsertOrUpdateAsync(() => new()
+                     {
+                         GuildId = guild.Id,
+                         ChannelId = msg.Channel.Id,
+
+                         MessageId = msg.Id,
+                         Emote = emote,
+
+                         RoleId = role.Id,
+                         Group = group,
+                         LevelReq = levelReq
+                     },
+                     (old) => new()
+                     {
+                         RoleId = role.Id,
+                         Group = group,
+                         LevelReq = levelReq
+                     },
+                     () => new()
+                     {
+                         MessageId = msg.Id,
+                         Emote = emote,
+                     });
+
+        await tran.CommitAsync();
+
+        var obj = new ReactionRoleV2()
+        {
+            GuildId = guild.Id,
+            MessageId = msg.Id,
+            Emote = emote,
+            RoleId = role.Id,
+            Group = group,
+            LevelReq = levelReq
+        };
+
+        lock (_cacheLock)
+        {
+            _cache.AddOrUpdate(msg.Id,
+                _ => new()
+                {
+                    obj
+                },
+                (_, list) =>
+                {
+                    list.RemoveAll(x => x.Emote == emote);
+                    list.Add(obj);
+                    return list;
+                });
+        }
+
+        return new Success();
+    }
+
+    /// <summary>
+    /// Get all reaction roles on the specified server
+    /// </summary>
+    /// <param name="guildId"></param>
+    /// <returns></returns>
+    public async Task<IReadOnlyCollection<ReactionRoleV2>> GetReactionRolesAsync(ulong guildId)
+    {
+        await using var ctx = _db.GetDbContext();
+        return await ctx.GetTable<ReactionRoleV2>()
+                        .Where(x => x.GuildId == guildId)
+                        .ToListAsync();
+    }
+
+    /// <summary>
+    /// Remove reaction roles on the specified message
+    /// </summary>
+    /// <param name="guildId"></param>
+    /// <param name="messageId"></param>
+    /// <returns></returns>
+    public async Task<bool> RemoveReactionRoles(ulong guildId, ulong messageId)
+    {
+        // guildid is used for quick index lookup
+        await using var ctx = _db.GetDbContext();
+        var changed = await ctx.GetTable<ReactionRoleV2>()
+                               .Where(x => x.GuildId == guildId && x.MessageId == messageId)
+                               .DeleteAsync();
+
+        _cache.TryRemove(messageId, out _);
+
+        if (changed == 0)
+            return false;
+
+        return true;
+    }
+
+    /// <summary>
+    /// Remove all reaction roles in the specified server
+    /// </summary>
+    /// <param name="guildId"></param>
+    /// <returns></returns>
+    public async Task<int> RemoveAllReactionRoles(ulong guildId)
+    {
+        await using var ctx = _db.GetDbContext();
+        var output = await ctx.GetTable<ReactionRoleV2>()
+                              .Where(x => x.GuildId == guildId)
+                              .DeleteWithOutputAsync(x => x.MessageId);
+
+        lock (_cacheLock)
+        {
+            foreach (var o in output)
+            {
+                _cache.TryRemove(o, out _);
+            }
+        }
+
+        return output.Length;
+    }
+
+    public async Task<IReadOnlyCollection<IEmote>> TransferReactionRolesAsync(
+        ulong guildId,
+        ulong fromMessageId,
+        ulong toMessageId)
+    {
+        await using var ctx = _db.GetDbContext();
+        var updated = ctx.GetTable<ReactionRoleV2>()
+                         .Where(x => x.GuildId == guildId && x.MessageId == fromMessageId)
+                         .UpdateWithOutput(old => new()
+                             {
+                                 MessageId = toMessageId
+                             },
+                             (old, neu) => neu);
+        lock (_cacheLock)
+        {
+            if (_cache.TryRemove(fromMessageId, out var data))
+            {
+                if (_cache.TryGetValue(toMessageId, out var newData))
+                {
+                    newData.AddRange(data);
+                }
+                else
+                {
+                    _cache[toMessageId] = data;
+                }
+            }
+        }
+
+        return updated.Select(x => x.Emote.ToIEmote()).ToList();
+    }
+}

src/Nadeko.Bot.Modules.Administration/Role/RoleCommands.cs

@@ -0,0 +1,187 @@
+#nullable disable
+using NadekoBot.Modules.Administration.Services;
+using NadekoBot.Services.Database.Models;
+using SixLabors.ImageSharp.PixelFormats;
+using System.Net;
+using Color = SixLabors.ImageSharp.Color;
+
+namespace NadekoBot.Modules.Administration;
+
+
+public partial class Administration
+{
+    public partial class RoleCommands : NadekoModule
+    {
+        public enum Exclude { Excl }
+
+        private readonly IServiceProvider _services;
+
+        public RoleCommands(IServiceProvider services)
+        {
+            _services = services;
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        public async Task SetRole(IGuildUser targetUser, [Leftover] IRole roleToAdd)
+        {
+            var runnerUser = (IGuildUser)ctx.User;
+            var runnerMaxRolePosition = runnerUser.GetRoles().Max(x => x.Position);
+            if (ctx.User.Id != ctx.Guild.OwnerId && runnerMaxRolePosition <= roleToAdd.Position)
+                return;
+            try
+            {
+                await targetUser.AddRoleAsync(roleToAdd);
+
+                await ReplyConfirmLocalizedAsync(strs.setrole(Format.Bold(roleToAdd.Name),
+                    Format.Bold(targetUser.ToString())));
+            }
+            catch (Exception ex)
+            {
+                Log.Warning(ex, "Error in setrole command");
+                await ReplyErrorLocalizedAsync(strs.setrole_err);
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        public async Task RemoveRole(IGuildUser targetUser, [Leftover] IRole roleToRemove)
+        {
+            var runnerUser = (IGuildUser)ctx.User;
+            if (ctx.User.Id != runnerUser.Guild.OwnerId
+                && runnerUser.GetRoles().Max(x => x.Position) <= roleToRemove.Position)
+                return;
+            try
+            {
+                await targetUser.RemoveRoleAsync(roleToRemove);
+                await ReplyConfirmLocalizedAsync(strs.remrole(Format.Bold(roleToRemove.Name),
+                    Format.Bold(targetUser.ToString())));
+            }
+            catch
+            {
+                await ReplyErrorLocalizedAsync(strs.remrole_err);
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        public async Task RenameRole(IRole roleToEdit, [Leftover] string newname)
+        {
+            var guser = (IGuildUser)ctx.User;
+            if (ctx.User.Id != guser.Guild.OwnerId && guser.GetRoles().Max(x => x.Position) <= roleToEdit.Position)
+                return;
+            try
+            {
+                if (roleToEdit.Position > (await ctx.Guild.GetCurrentUserAsync()).GetRoles().Max(r => r.Position))
+                {
+                    await ReplyErrorLocalizedAsync(strs.renrole_perms);
+                    return;
+                }
+
+                await roleToEdit.ModifyAsync(g => g.Name = newname);
+                await ReplyConfirmLocalizedAsync(strs.renrole);
+            }
+            catch (Exception)
+            {
+                await ReplyErrorLocalizedAsync(strs.renrole_err);
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        public async Task RemoveAllRoles([Leftover] IGuildUser user)
+        {
+            var guser = (IGuildUser)ctx.User;
+
+            var userRoles = user.GetRoles().Where(x => !x.IsManaged && x != x.Guild.EveryoneRole).ToList();
+
+            if (user.Id == ctx.Guild.OwnerId
+                || (ctx.User.Id != ctx.Guild.OwnerId
+                    && guser.GetRoles().Max(x => x.Position) <= userRoles.Max(x => x.Position)))
+                return;
+            try
+            {
+                await user.RemoveRolesAsync(userRoles);
+                await ReplyConfirmLocalizedAsync(strs.rar(Format.Bold(user.ToString())));
+            }
+            catch (Exception)
+            {
+                await ReplyErrorLocalizedAsync(strs.rar_err);
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        public async Task CreateRole([Leftover] string roleName = null)
+        {
+            if (string.IsNullOrWhiteSpace(roleName))
+                return;
+
+            var r = await ctx.Guild.CreateRoleAsync(roleName, isMentionable: false);
+            await ReplyConfirmLocalizedAsync(strs.cr(Format.Bold(r.Name)));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        public async Task DeleteRole([Leftover] IRole role)
+        {
+            var guser = (IGuildUser)ctx.User;
+            if (ctx.User.Id != guser.Guild.OwnerId && guser.GetRoles().Max(x => x.Position) <= role.Position)
+                return;
+
+            await role.DeleteAsync();
+            await ReplyConfirmLocalizedAsync(strs.dr(Format.Bold(role.Name)));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        public async Task RoleHoist([Leftover] IRole role)
+        {
+            var newHoisted = !role.IsHoisted;
+            await role.ModifyAsync(r => r.Hoist = newHoisted);
+            if (newHoisted)
+                await ReplyConfirmLocalizedAsync(strs.rolehoist_enabled(Format.Bold(role.Name)));
+            else
+                await ReplyConfirmLocalizedAsync(strs.rolehoist_disabled(Format.Bold(role.Name)));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [Priority(1)]
+        public async Task RoleColor([Leftover] IRole role)
+            => await SendConfirmAsync("Role Color", role.Color.RawValue.ToString("x6"));
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        [Priority(0)]
+        public async Task RoleColor(Color color, [Leftover] IRole role)
+        {
+            try
+            {
+                var rgba32 = color.ToPixel<Rgba32>();
+                await role.ModifyAsync(r => r.Color = new Discord.Color(rgba32.R, rgba32.G, rgba32.B));
+                await ReplyConfirmLocalizedAsync(strs.rc(Format.Bold(role.Name)));
+            }
+            catch (Exception)
+            {
+                await ReplyErrorLocalizedAsync(strs.rc_perms);
+            }
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/Self/CheckForUpdatesService.cs

@@ -0,0 +1,153 @@
+using System.Net.Http.Json;
+using System.Text;
+using NadekoBot.Common.ModuleBehaviors;
+
+namespace NadekoBot.Modules.Administration.Self;
+
+public sealed class CheckForUpdatesService : INService, IReadyExecutor
+{
+    private readonly BotConfigService _bcs;
+    private readonly IBotCredsProvider _bcp;
+    private readonly IHttpClientFactory _httpFactory;
+    private readonly DiscordSocketClient _client;
+    private readonly IEmbedBuilderService _ebs;
+
+    public CheckForUpdatesService(BotConfigService bcs, IBotCredsProvider bcp, IHttpClientFactory httpFactory,
+        DiscordSocketClient client, IEmbedBuilderService ebs)
+    {
+        _bcs = bcs;
+        _bcp = bcp;
+        _httpFactory = httpFactory;
+        _client = client;
+        _ebs = ebs;
+    }
+    
+    public async Task OnReadyAsync()
+    {
+        if (_client.ShardId != 0)
+            return;
+        
+        using var timer = new PeriodicTimer(TimeSpan.FromHours(1));
+        while (await timer.WaitForNextTickAsync())
+        {
+            var conf = _bcs.Data;
+
+            if (!conf.CheckForUpdates)
+                continue;
+            
+            try
+            {
+                const string URL = "https://cdn.nadeko.bot/cmds/versions.json";
+                using var http = _httpFactory.CreateClient();
+                var versions = await http.GetFromJsonAsync<string[]>(URL);
+
+                if (versions is null)
+                    continue;
+                
+                var latest = versions[0];
+                var latestVersion = Version.Parse(latest);
+                var lastKnownVersion = GetLastKnownVersion();
+
+                if (lastKnownVersion is null)
+                {
+                    UpdateLastKnownVersion(latestVersion);
+                    continue;
+                }
+                
+                if (latestVersion > lastKnownVersion)
+                {
+                    UpdateLastKnownVersion(latestVersion);
+                    
+                    // pull changelog
+                    var changelog = await http.GetStringAsync("https://gitlab.com/Kwoth/nadekobot/-/raw/v4/CHANGELOG.md");
+
+                    var thisVersionChangelog = GetVersionChangelog(latestVersion, changelog);
+
+                    if (string.IsNullOrWhiteSpace(thisVersionChangelog))
+                    {
+                        Log.Warning("New version {BotVersion} was found but changelog is unavailable",
+                            thisVersionChangelog);
+                        continue;
+                    }
+
+                    var creds = _bcp.GetCreds();
+                    await creds.OwnerIds
+                        .Select(async x =>
+                        {
+                            var user = await _client.GetUserAsync(x);
+                            if (user is null)
+                                return;
+
+                            var eb = _ebs.Create()
+                                .WithOkColor()
+                                .WithAuthor($"NadekoBot v{latestVersion} Released!")
+                                .WithTitle("Changelog")
+                                .WithUrl("https://gitlab.com/Kwoth/nadekobot/-/blob/v4/CHANGELOG.md")
+                                .WithDescription(thisVersionChangelog.TrimTo(4096))
+                                .WithFooter("You may disable these messages by typing '.conf bot checkforupdates false'");
+
+                            await user.EmbedAsync(eb);
+                        }).WhenAll();
+                }
+            }
+            catch (Exception ex)
+            {
+                Log.Error(ex, "Error while checking for new bot release: {ErrorMessage}", ex.Message);
+            }
+        }
+    }
+
+    private string? GetVersionChangelog(Version latestVersion, string changelog)
+    {
+        var clSpan = changelog.AsSpan();
+
+        var sb = new StringBuilder();
+        var started = false;
+        foreach (var line in clSpan.EnumerateLines())
+        {
+            // if we're at the current version, keep reading lines and adding to the output
+            if (started)
+            {
+                // if we got to previous version, end
+                if (line.StartsWith("## ["))
+                    break;
+                
+                // if we're reading a new segment, reformat it to print it better to discord
+                if (line.StartsWith("### "))
+                {
+                    sb.AppendLine(Format.Bold(line.ToString()));
+                }
+                else
+                {
+                    sb.AppendLine(line.ToString());
+                }
+
+                continue;
+            }
+
+            if (line.StartsWith($"## [{latestVersion.ToString()}]"))
+            {
+                started = true;
+                continue;
+            }
+        }
+
+        return sb.ToString();
+    }
+
+    private const string LAST_KNOWN_VERSION_PATH = "data/last_known_version.txt";
+    private Version? GetLastKnownVersion()
+    {
+        if (!File.Exists(LAST_KNOWN_VERSION_PATH))
+            return null;
+        
+        return Version.TryParse(File.ReadAllText(LAST_KNOWN_VERSION_PATH), out var ver)
+            ? ver
+            : null;
+    }
+
+    private void UpdateLastKnownVersion(Version version)
+    {
+        File.WriteAllText("data/last_known_version.txt", version.ToString());
+    }
+}

src/Nadeko.Bot.Modules.Administration/Self/SelfCommands.cs

@@ -0,0 +1,572 @@
+#nullable disable
+using Nadeko.Medusa;
+using NadekoBot.Modules.Administration.Services;
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration
+{
+    [Group]
+    public partial class SelfCommands : NadekoModule<SelfService>
+    {
+        public enum SettableUserStatus
+        {
+            Online,
+            Invisible,
+            Idle,
+            Dnd
+        }
+
+        private readonly DiscordSocketClient _client;
+        private readonly IBotStrings _strings;
+        private readonly IMedusaLoaderService _medusaLoader;
+        private readonly ICoordinator _coord;
+
+        public SelfCommands(
+            DiscordSocketClient client,
+            IBotStrings strings,
+            ICoordinator coord,
+            IMedusaLoaderService medusaLoader)
+        {
+            _client = client;
+            _strings = strings;
+            _coord = coord;
+            _medusaLoader = medusaLoader;
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task DoAs(IUser user, [Leftover] string message)
+        {
+            if (ctx.User is not IGuildUser { GuildPermissions.Administrator: true })
+                return;
+
+            if (ctx.Guild is SocketGuild sg && ctx.Channel is ISocketMessageChannel ch
+                && ctx.Message is SocketUserMessage msg)
+            {
+                var fakeMessage = new DoAsUserMessage(msg, user, message);
+                
+                await _cmdHandler.TryRunCommand(sg, ch, fakeMessage);
+            }
+            else
+            {
+                await ReplyErrorLocalizedAsync(strs.error_occured);
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [OwnerOnly]
+        public async Task StartupCommandAdd([Leftover] string cmdText)
+        {
+            if (cmdText.StartsWith(prefix + "die", StringComparison.InvariantCulture))
+                return;
+
+            var guser = (IGuildUser)ctx.User;
+            var cmd = new AutoCommand
+            {
+                CommandText = cmdText,
+                ChannelId = ctx.Channel.Id,
+                ChannelName = ctx.Channel.Name,
+                GuildId = ctx.Guild?.Id,
+                GuildName = ctx.Guild?.Name,
+                VoiceChannelId = guser.VoiceChannel?.Id,
+                VoiceChannelName = guser.VoiceChannel?.Name,
+                Interval = 0
+            };
+            _service.AddNewAutoCommand(cmd);
+
+            await ctx.Channel.EmbedAsync(_eb.Create()
+                                            .WithOkColor()
+                                            .WithTitle(GetText(strs.scadd))
+                                            .AddField(GetText(strs.server),
+                                                cmd.GuildId is null ? "-" : $"{cmd.GuildName}/{cmd.GuildId}",
+                                                true)
+                                            .AddField(GetText(strs.channel), $"{cmd.ChannelName}/{cmd.ChannelId}", true)
+                                            .AddField(GetText(strs.command_text), cmdText));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [OwnerOnly]
+        public async Task AutoCommandAdd(int interval, [Leftover] string cmdText)
+        {
+            if (cmdText.StartsWith(prefix + "die", StringComparison.InvariantCulture))
+                return;
+
+            if (interval < 5)
+                return;
+
+            var guser = (IGuildUser)ctx.User;
+            var cmd = new AutoCommand
+            {
+                CommandText = cmdText,
+                ChannelId = ctx.Channel.Id,
+                ChannelName = ctx.Channel.Name,
+                GuildId = ctx.Guild?.Id,
+                GuildName = ctx.Guild?.Name,
+                VoiceChannelId = guser.VoiceChannel?.Id,
+                VoiceChannelName = guser.VoiceChannel?.Name,
+                Interval = interval
+            };
+            _service.AddNewAutoCommand(cmd);
+
+            await ReplyConfirmLocalizedAsync(strs.autocmd_add(Format.Code(Format.Sanitize(cmdText)), cmd.Interval));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [OwnerOnly]
+        public async Task StartupCommandsList(int page = 1)
+        {
+            if (page-- < 1)
+                return;
+
+            var scmds = _service.GetStartupCommands().Skip(page * 5).Take(5).ToList();
+
+            if (scmds.Count == 0)
+                await ReplyErrorLocalizedAsync(strs.startcmdlist_none);
+            else
+            {
+                var i = 0;
+                await SendConfirmAsync(text: string.Join("\n",
+                        scmds.Select(x => $@"```css
+#{++i + (page * 5)}
+[{GetText(strs.server)}]: {(x.GuildId.HasValue ? $"{x.GuildName} #{x.GuildId}" : "-")}
+[{GetText(strs.channel)}]: {x.ChannelName} #{x.ChannelId}
+[{GetText(strs.command_text)}]: {x.CommandText}```")),
+                    title: string.Empty,
+                    footer: GetText(strs.page(page + 1)));
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [OwnerOnly]
+        public async Task AutoCommandsList(int page = 1)
+        {
+            if (page-- < 1)
+                return;
+
+            var scmds = _service.GetAutoCommands().Skip(page * 5).Take(5).ToList();
+            if (!scmds.Any())
+                await ReplyErrorLocalizedAsync(strs.autocmdlist_none);
+            else
+            {
+                var i = 0;
+                await SendConfirmAsync(text: string.Join("\n",
+                        scmds.Select(x => $@"```css
+#{++i + (page * 5)}
+[{GetText(strs.server)}]: {(x.GuildId.HasValue ? $"{x.GuildName} #{x.GuildId}" : "-")}
+[{GetText(strs.channel)}]: {x.ChannelName} #{x.ChannelId}
+{GetIntervalText(x.Interval)}
+[{GetText(strs.command_text)}]: {x.CommandText}```")),
+                    title: string.Empty,
+                    footer: GetText(strs.page(page + 1)));
+            }
+        }
+
+        private string GetIntervalText(int interval)
+            => $"[{GetText(strs.interval)}]: {interval}";
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task Wait(int miliseconds)
+        {
+            if (miliseconds <= 0)
+                return;
+            ctx.Message.DeleteAfter(0);
+            try
+            {
+                var msg = await SendConfirmAsync($"⏲ {miliseconds}ms");
+                msg.DeleteAfter(miliseconds / 1000);
+            }
+            catch { }
+
+            await Task.Delay(miliseconds);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [OwnerOnly]
+        public async Task AutoCommandRemove([Leftover] int index)
+        {
+            if (!_service.RemoveAutoCommand(--index, out _))
+            {
+                await ReplyErrorLocalizedAsync(strs.acrm_fail);
+                return;
+            }
+
+            await ctx.OkAsync();
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [OwnerOnly]
+        public async Task StartupCommandRemove([Leftover] int index)
+        {
+            if (!_service.RemoveStartupCommand(--index, out _))
+                await ReplyErrorLocalizedAsync(strs.scrm_fail);
+            else
+                await ReplyConfirmLocalizedAsync(strs.scrm);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [OwnerOnly]
+        public async Task StartupCommandsClear()
+        {
+            _service.ClearStartupCommands();
+
+            await ReplyConfirmLocalizedAsync(strs.startcmds_cleared);
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task ForwardMessages()
+        {
+            var enabled = _service.ForwardMessages();
+
+            if (enabled)
+                await ReplyConfirmLocalizedAsync(strs.fwdm_start);
+            else
+                await ReplyPendingLocalizedAsync(strs.fwdm_stop);
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task ForwardToAll()
+        {
+            var enabled = _service.ForwardToAll();
+
+            if (enabled)
+                await ReplyConfirmLocalizedAsync(strs.fwall_start);
+            else
+                await ReplyPendingLocalizedAsync(strs.fwall_stop);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [OwnerOnly]
+        public async Task ForwardToChannel()
+        {
+            var enabled = _service.ForwardToChannel(ctx.Channel.Id);
+
+            if (enabled)
+                await ReplyConfirmLocalizedAsync(strs.fwch_start);
+            else
+                await ReplyPendingLocalizedAsync(strs.fwch_stop);
+        }
+
+        [Cmd]
+        public async Task ShardStats(int page = 1)
+        {
+            if (--page < 0)
+                return;
+
+            var statuses = _coord.GetAllShardStatuses();
+
+            var status = string.Join(" : ",
+                statuses.Select(x => (ConnectionStateToEmoji(x), x))
+                        .GroupBy(x => x.Item1)
+                        .Select(x => $"`{x.Count()} {x.Key}`")
+                        .ToArray());
+
+            var allShardStrings = statuses.Select(st =>
+                                          {
+                                              var timeDiff = DateTime.UtcNow - st.LastUpdate;
+                                              var stateStr = ConnectionStateToEmoji(st);
+                                              var maxGuildCountLength =
+                                                  statuses.Max(x => x.GuildCount).ToString().Length;
+                                              return $"`{stateStr} "
+                                                     + $"| #{st.ShardId.ToString().PadBoth(3)} "
+                                                     + $"| {timeDiff:mm\\:ss} "
+                                                     + $"| {st.GuildCount.ToString().PadBoth(maxGuildCountLength)} `";
+                                          })
+                                          .ToArray();
+            await ctx.SendPaginatedConfirmAsync(page,
+                curPage =>
+                {
+                    var str = string.Join("\n", allShardStrings.Skip(25 * curPage).Take(25));
+
+                    if (string.IsNullOrWhiteSpace(str))
+                        str = GetText(strs.no_shards_on_page);
+
+                    return _eb.Create().WithOkColor().WithDescription($"{status}\n\n{str}");
+                },
+                allShardStrings.Length,
+                25);
+        }
+
+        private static string ConnectionStateToEmoji(ShardStatus status)
+        {
+            var timeDiff = DateTime.UtcNow - status.LastUpdate;
+            return status.ConnectionState switch
+            {
+                ConnectionState.Disconnected => "🔻",
+                _ when timeDiff > TimeSpan.FromSeconds(30) => " ❗ ",
+                ConnectionState.Connected => "✅",
+                _ => " ⏳"
+            };
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task RestartShard(int shardId)
+        {
+            var success = _coord.RestartShard(shardId);
+            if (success)
+                await ReplyConfirmLocalizedAsync(strs.shard_reconnecting(Format.Bold("#" + shardId)));
+            else
+                await ReplyErrorLocalizedAsync(strs.no_shard_id);
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public Task Leave([Leftover] string guildStr)
+            => _service.LeaveGuild(guildStr);
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task DeleteEmptyServers()
+        {
+            await ctx.Channel.TriggerTypingAsync();
+
+            var toLeave = _client.Guilds
+                                 .Where(s => s.MemberCount == 1 && s.Users.Count == 1)
+                                 .ToList();
+
+            foreach (var server in toLeave)
+            {
+                try
+                {
+                    await server.DeleteAsync();
+                    Log.Information("Deleted server {ServerName} [{ServerId}]",
+                        server.Name,
+                        server.Id);
+                }
+                catch (Exception ex)
+                {
+                    Log.Warning(ex,
+                        "Error leaving server {ServerName} [{ServerId}]",
+                        server.Name,
+                        server.Id);
+                }
+            }
+
+            await ReplyConfirmLocalizedAsync(strs.deleted_x_servers(toLeave.Count));
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task Die(bool graceful = false)
+        {
+            try
+            {
+                await _client.SetStatusAsync(UserStatus.Invisible);
+                _ =  _client.StopAsync();
+                await ReplyConfirmLocalizedAsync(strs.shutting_down);
+            }
+            catch
+            {
+                // ignored
+            }
+
+            await Task.Delay(2000);
+            _coord.Die(graceful);
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task Restart()
+        {
+            var success = _coord.RestartBot();
+            if (!success)
+            {
+                await ReplyErrorLocalizedAsync(strs.restart_fail);
+                return;
+            }
+
+            try { await ReplyConfirmLocalizedAsync(strs.restarting); }
+            catch { }
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task SetName([Leftover] string newName)
+        {
+            if (string.IsNullOrWhiteSpace(newName))
+                return;
+
+            try
+            {
+                await _client.CurrentUser.ModifyAsync(u => u.Username = newName);
+            }
+            catch (RateLimitedException)
+            {
+                Log.Warning("You've been ratelimited. Wait 2 hours to change your name");
+            }
+
+            await ReplyConfirmLocalizedAsync(strs.bot_name(Format.Bold(newName)));
+        }
+
+        [Cmd]
+        [UserPerm(GuildPerm.ManageNicknames)]
+        [BotPerm(GuildPerm.ChangeNickname)]
+        [Priority(0)]
+        public async Task SetNick([Leftover] string newNick = null)
+        {
+            if (string.IsNullOrWhiteSpace(newNick))
+                return;
+            var curUser = await ctx.Guild.GetCurrentUserAsync();
+            await curUser.ModifyAsync(u => u.Nickname = newNick);
+
+            await ReplyConfirmLocalizedAsync(strs.bot_nick(Format.Bold(newNick) ?? "-"));
+        }
+
+        [Cmd]
+        [BotPerm(GuildPerm.ManageNicknames)]
+        [UserPerm(GuildPerm.ManageNicknames)]
+        [Priority(1)]
+        public async Task SetNick(IGuildUser gu, [Leftover] string newNick = null)
+        {
+            var sg = (SocketGuild)ctx.Guild;
+            if (sg.OwnerId == gu.Id
+                || gu.GetRoles().Max(r => r.Position) >= sg.CurrentUser.GetRoles().Max(r => r.Position))
+            {
+                await ReplyErrorLocalizedAsync(strs.insuf_perms_i);
+                return;
+            }
+
+            await gu.ModifyAsync(u => u.Nickname = newNick);
+
+            await ReplyConfirmLocalizedAsync(strs.user_nick(Format.Bold(gu.ToString()), Format.Bold(newNick) ?? "-"));
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task SetStatus([Leftover] SettableUserStatus status)
+        {
+            await _client.SetStatusAsync(SettableUserStatusToUserStatus(status));
+
+            await ReplyConfirmLocalizedAsync(strs.bot_status(Format.Bold(status.ToString())));
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task SetAvatar([Leftover] string img = null)
+        {
+            var success = await _service.SetAvatar(img);
+
+            if (success)
+                await ReplyConfirmLocalizedAsync(strs.set_avatar);
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task SetGame(ActivityType type, [Leftover] string game = null)
+        {
+            var rep = new ReplacementBuilder().WithDefault(Context).Build();
+
+            await _service.SetGameAsync(game is null ? game : rep.Replace(game), type);
+
+            await ReplyConfirmLocalizedAsync(strs.set_game);
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task SetStream(string url, [Leftover] string name = null)
+        {
+            name ??= "";
+
+            await _service.SetStreamAsync(name, url);
+
+            await ReplyConfirmLocalizedAsync(strs.set_stream);
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task Send(string where, [Leftover] SmartText text = null)
+        {
+            var ids = where.Split('|');
+            if (ids.Length != 2)
+                return;
+
+            var sid = ulong.Parse(ids[0]);
+            var server = _client.Guilds.FirstOrDefault(s => s.Id == sid);
+
+            if (server is null)
+                return;
+
+            var rep = new ReplacementBuilder().WithDefault(Context).Build();
+
+            if (ids[1].ToUpperInvariant().StartsWith("C:", StringComparison.InvariantCulture))
+            {
+                var cid = ulong.Parse(ids[1][2..]);
+                var ch = server.TextChannels.FirstOrDefault(c => c.Id == cid);
+                if (ch is null)
+                    return;
+
+                text = rep.Replace(text);
+                await ch.SendAsync(text);
+            }
+            else if (ids[1].ToUpperInvariant().StartsWith("U:", StringComparison.InvariantCulture))
+            {
+                var uid = ulong.Parse(ids[1][2..]);
+                var user = server.Users.FirstOrDefault(u => u.Id == uid);
+                if (user is null)
+                    return;
+
+                var ch = await user.CreateDMChannelAsync();
+                text = rep.Replace(text);
+                await ch.SendAsync(text);
+            }
+            else
+            {
+                await ReplyErrorLocalizedAsync(strs.invalid_format);
+                return;
+            }
+
+            await ReplyConfirmLocalizedAsync(strs.message_sent);
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task StringsReload()
+        {
+            _strings.Reload();
+            await _medusaLoader.ReloadStrings();
+            await ReplyConfirmLocalizedAsync(strs.bot_strings_reloaded);
+        }
+
+        [Cmd]
+        [OwnerOnly]
+        public async Task CoordReload()
+        {
+            await _coord.Reload();
+            await ctx.OkAsync();
+        }
+
+        private static UserStatus SettableUserStatusToUserStatus(SettableUserStatus sus)
+        {
+            switch (sus)
+            {
+                case SettableUserStatus.Online:
+                    return UserStatus.Online;
+                case SettableUserStatus.Invisible:
+                    return UserStatus.Invisible;
+                case SettableUserStatus.Idle:
+                    return UserStatus.AFK;
+                case SettableUserStatus.Dnd:
+                    return UserStatus.DoNotDisturb;
+            }
+
+            return UserStatus.Online;
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/Self/SelfService.cs

@@ -0,0 +1,400 @@
+#nullable disable
+using Microsoft.EntityFrameworkCore;
+using NadekoBot.Common.ModuleBehaviors;
+using NadekoBot.Services.Database.Models;
+using System.Collections.Immutable;
+using Nadeko.Common;
+
+namespace NadekoBot.Modules.Administration.Services;
+
+public sealed class SelfService : IExecNoCommand, IReadyExecutor, INService
+{
+    private readonly CommandHandler _cmdHandler;
+    private readonly DbService _db;
+    private readonly IBotStrings _strings;
+    private readonly DiscordSocketClient _client;
+
+    private readonly IBotCredentials _creds;
+
+    private ImmutableDictionary<ulong, IDMChannel> ownerChannels =
+        new Dictionary<ulong, IDMChannel>().ToImmutableDictionary();
+
+    private ConcurrentDictionary<ulong?, ConcurrentDictionary<int, Timer>> autoCommands = new();
+
+    private readonly IHttpClientFactory _httpFactory;
+    private readonly BotConfigService _bss;
+    private readonly IPubSub _pubSub;
+    private readonly IEmbedBuilderService _eb;
+
+    //keys
+    private readonly TypedKey<ActivityPubData> _activitySetKey;
+    private readonly TypedKey<string> _guildLeaveKey;
+
+    public SelfService(
+        DiscordSocketClient client,
+        CommandHandler cmdHandler,
+        DbService db,
+        IBotStrings strings,
+        IBotCredentials creds,
+        IHttpClientFactory factory,
+        BotConfigService bss,
+        IPubSub pubSub,
+        IEmbedBuilderService eb)
+    {
+        _cmdHandler = cmdHandler;
+        _db = db;
+        _strings = strings;
+        _client = client;
+        _creds = creds;
+        _httpFactory = factory;
+        _bss = bss;
+        _pubSub = pubSub;
+        _eb = eb;
+        _activitySetKey = new("activity.set");
+        _guildLeaveKey = new("guild.leave");
+
+        HandleStatusChanges();
+
+        _pubSub.Sub(_guildLeaveKey,
+            async input =>
+            {
+                var guildStr = input.ToString().Trim().ToUpperInvariant();
+                if (string.IsNullOrWhiteSpace(guildStr))
+                    return;
+
+                var server = _client.Guilds.FirstOrDefault(g => g.Id.ToString() == guildStr
+                                                                || g.Name.Trim().ToUpperInvariant() == guildStr);
+                if (server is null)
+                    return;
+
+                if (server.OwnerId != _client.CurrentUser.Id)
+                {
+                    await server.LeaveAsync();
+                    Log.Information("Left server {Name} [{Id}]", server.Name, server.Id);
+                }
+                else
+                {
+                    await server.DeleteAsync();
+                    Log.Information("Deleted server {Name} [{Id}]", server.Name, server.Id);
+                }
+            });
+    }
+
+    public async Task OnReadyAsync()
+    {
+        await using var uow = _db.GetDbContext();
+
+        autoCommands = uow.AutoCommands.AsNoTracking()
+            .Where(x => x.Interval >= 5)
+            .AsEnumerable()
+            .GroupBy(x => x.GuildId)
+            .ToDictionary(x => x.Key,
+                y => y.ToDictionary(x => x.Id, TimerFromAutoCommand).ToConcurrent())
+            .ToConcurrent();
+
+        var startupCommands = uow.AutoCommands.AsNoTracking().Where(x => x.Interval == 0);
+        foreach (var cmd in startupCommands)
+        {
+            try
+            {
+                await ExecuteCommand(cmd);
+            }
+            catch
+            {
+            }
+        }
+
+        if (_client.ShardId == 0)
+            await LoadOwnerChannels();
+    }
+
+    private Timer TimerFromAutoCommand(AutoCommand x)
+        => new(async obj => await ExecuteCommand((AutoCommand)obj), x, x.Interval * 1000, x.Interval * 1000);
+
+    private async Task ExecuteCommand(AutoCommand cmd)
+    {
+        try
+        {
+            if (cmd.GuildId is null)
+                return;
+
+            var guildShard = (int)((cmd.GuildId.Value >> 22) % (ulong)_creds.TotalShards);
+            if (guildShard != _client.ShardId)
+                return;
+            var prefix = _cmdHandler.GetPrefix(cmd.GuildId);
+            //if someone already has .die as their startup command, ignore it
+            if (cmd.CommandText.StartsWith(prefix + "die", StringComparison.InvariantCulture))
+                return;
+            await _cmdHandler.ExecuteExternal(cmd.GuildId, cmd.ChannelId, cmd.CommandText);
+        }
+        catch (Exception ex)
+        {
+            Log.Warning(ex, "Error in SelfService ExecuteCommand");
+        }
+    }
+
+    public void AddNewAutoCommand(AutoCommand cmd)
+    {
+        using (var uow = _db.GetDbContext())
+        {
+            uow.AutoCommands.Add(cmd);
+            uow.SaveChanges();
+        }
+
+        if (cmd.Interval >= 5)
+        {
+            var autos = autoCommands.GetOrAdd(cmd.GuildId, new ConcurrentDictionary<int, Timer>());
+            autos.AddOrUpdate(cmd.Id,
+                _ => TimerFromAutoCommand(cmd),
+                (_, old) =>
+                {
+                    old.Change(Timeout.Infinite, Timeout.Infinite);
+                    return TimerFromAutoCommand(cmd);
+                });
+        }
+    }
+
+    public IEnumerable<AutoCommand> GetStartupCommands()
+    {
+        using var uow = _db.GetDbContext();
+        return uow.AutoCommands.AsNoTracking().Where(x => x.Interval == 0).OrderBy(x => x.Id).ToList();
+    }
+
+    public IEnumerable<AutoCommand> GetAutoCommands()
+    {
+        using var uow = _db.GetDbContext();
+        return uow.AutoCommands.AsNoTracking().Where(x => x.Interval >= 5).OrderBy(x => x.Id).ToList();
+    }
+
+    private async Task LoadOwnerChannels()
+    {
+        var channels = await _creds.OwnerIds.Select(id =>
+            {
+                var user = _client.GetUser(id);
+                if (user is null)
+                    return Task.FromResult<IDMChannel>(null);
+
+                return user.CreateDMChannelAsync();
+            })
+            .WhenAll();
+
+        ownerChannels = channels.Where(x => x is not null)
+            .ToDictionary(x => x.Recipient.Id, x => x)
+            .ToImmutableDictionary();
+
+        if (!ownerChannels.Any())
+        {
+            Log.Warning(
+                "No owner channels created! Make sure you've specified the correct OwnerId in the creds.yml file and invited the bot to a Discord server");
+        }
+        else
+        {
+            Log.Information("Created {OwnerChannelCount} out of {TotalOwnerChannelCount} owner message channels",
+                ownerChannels.Count,
+                _creds.OwnerIds.Count);
+        }
+    }
+
+    public Task LeaveGuild(string guildStr)
+        => _pubSub.Pub(_guildLeaveKey, guildStr);
+
+    // forwards dms
+    public async Task ExecOnNoCommandAsync(IGuild guild, IUserMessage msg)
+    {
+        var bs = _bss.Data;
+        if (msg.Channel is IDMChannel && bs.ForwardMessages && (ownerChannels.Any() || bs.ForwardToChannel is not null))
+        {
+            var title = _strings.GetText(strs.dm_from) + $" [{msg.Author}]({msg.Author.Id})";
+
+            var attachamentsTxt = _strings.GetText(strs.attachments);
+
+            var toSend = msg.Content;
+
+            if (msg.Attachments.Count > 0)
+            {
+                toSend += $"\n\n{Format.Code(attachamentsTxt)}:\n"
+                          + string.Join("\n", msg.Attachments.Select(a => a.ProxyUrl));
+            }
+
+            if (bs.ForwardToAllOwners)
+            {
+                var allOwnerChannels = ownerChannels.Values;
+
+                foreach (var ownerCh in allOwnerChannels.Where(ch => ch.Recipient.Id != msg.Author.Id))
+                {
+                    try
+                    {
+                        await ownerCh.SendConfirmAsync(_eb, title, toSend);
+                    }
+                    catch
+                    {
+                        Log.Warning("Can't contact owner with id {OwnerId}", ownerCh.Recipient.Id);
+                    }
+                }
+            }
+            else if (bs.ForwardToChannel is ulong cid)
+            {
+                try
+                {
+                    if (_client.GetChannel(cid) is ITextChannel ch)
+                        await ch.SendConfirmAsync(_eb, title, toSend);
+                }
+                catch
+                {
+                    Log.Warning("Error forwarding message to the channel");
+                }
+            }
+            else
+            {
+                var firstOwnerChannel = ownerChannels.Values.First();
+                if (firstOwnerChannel.Recipient.Id != msg.Author.Id)
+                {
+                    try
+                    {
+                        await firstOwnerChannel.SendConfirmAsync(_eb, title, toSend);
+                    }
+                    catch
+                    {
+                        // ignored
+                    }
+                }
+            }
+        }
+    }
+
+    public bool RemoveStartupCommand(int index, out AutoCommand cmd)
+    {
+        using var uow = _db.GetDbContext();
+        cmd = uow.AutoCommands.AsNoTracking().Where(x => x.Interval == 0).Skip(index).FirstOrDefault();
+
+        if (cmd is not null)
+        {
+            uow.Remove(cmd);
+            uow.SaveChanges();
+            return true;
+        }
+
+        return false;
+    }
+
+    public bool RemoveAutoCommand(int index, out AutoCommand cmd)
+    {
+        using var uow = _db.GetDbContext();
+        cmd = uow.AutoCommands.AsNoTracking().Where(x => x.Interval >= 5).Skip(index).FirstOrDefault();
+
+        if (cmd is not null)
+        {
+            uow.Remove(cmd);
+            if (autoCommands.TryGetValue(cmd.GuildId, out var autos))
+            {
+                if (autos.TryRemove(cmd.Id, out var timer))
+                    timer.Change(Timeout.Infinite, Timeout.Infinite);
+            }
+
+            uow.SaveChanges();
+            return true;
+        }
+
+        return false;
+    }
+
+    public async Task<bool> SetAvatar(string img)
+    {
+        if (string.IsNullOrWhiteSpace(img))
+            return false;
+
+        if (!Uri.IsWellFormedUriString(img, UriKind.Absolute))
+            return false;
+
+        var uri = new Uri(img);
+
+        using var http = _httpFactory.CreateClient();
+        using var sr = await http.GetAsync(uri, HttpCompletionOption.ResponseHeadersRead);
+        if (!sr.IsImage())
+            return false;
+
+        // i can't just do ReadAsStreamAsync because dicord.net's image poops itself
+        var imgData = await sr.Content.ReadAsByteArrayAsync();
+        await using var imgStream = imgData.ToStream();
+        await _client.CurrentUser.ModifyAsync(u => u.Avatar = new Image(imgStream));
+
+        return true;
+    }
+
+    public void ClearStartupCommands()
+    {
+        using var uow = _db.GetDbContext();
+        var toRemove = uow.AutoCommands.AsNoTracking().Where(x => x.Interval == 0);
+
+        uow.AutoCommands.RemoveRange(toRemove);
+        uow.SaveChanges();
+    }
+
+    public bool ForwardMessages()
+    {
+        var isForwarding = false;
+        _bss.ModifyConfig(config => { isForwarding = config.ForwardMessages = !config.ForwardMessages; });
+
+        return isForwarding;
+    }
+
+    public bool ForwardToAll()
+    {
+        var isToAll = false;
+        _bss.ModifyConfig(config => { isToAll = config.ForwardToAllOwners = !config.ForwardToAllOwners; });
+        return isToAll;
+    }
+
+    public bool ForwardToChannel(ulong? channelId)
+    {
+        using var uow = _db.GetDbContext();
+
+        _bss.ModifyConfig(config =>
+        {
+            config.ForwardToChannel = channelId == config.ForwardToChannel
+                ? null
+                : channelId;
+        });
+
+        return channelId is not null;
+    }
+
+    private void HandleStatusChanges()
+        => _pubSub.Sub(_activitySetKey,
+            async data =>
+            {
+                try
+                {
+                    await _client.SetGameAsync(data.Name, data.Link, data.Type);
+                }
+                catch (Exception ex)
+                {
+                    Log.Warning(ex, "Error setting activity");
+                }
+            });
+
+    public Task SetGameAsync(string game, ActivityType type)
+        => _pubSub.Pub(_activitySetKey,
+            new()
+            {
+                Name = game,
+                Link = null,
+                Type = type
+            });
+
+    public Task SetStreamAsync(string name, string link)
+        => _pubSub.Pub(_activitySetKey,
+            new()
+            {
+                Name = name,
+                Link = link,
+                Type = ActivityType.Streaming
+            });
+
+    private sealed class ActivityPubData
+    {
+        public string Name { get; init; }
+        public string Link { get; init; }
+        public ActivityType Type { get; init; }
+    }
+}

src/Nadeko.Bot.Modules.Administration/SelfAssignableRoles/SelfAssignedRolesCommands.cs

@@ -0,0 +1,234 @@
+#nullable disable
+using NadekoBot.Modules.Administration.Services;
+using System.Text;
+
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration
+{
+    [Group]
+    public partial class SelfAssignedRolesCommands : NadekoModule<SelfAssignedRolesService>
+    {
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageMessages)]
+        [BotPerm(GuildPerm.ManageMessages)]
+        public async Task AdSarm()
+        {
+            var newVal = _service.ToggleAdSarm(ctx.Guild.Id);
+
+            if (newVal)
+                await ReplyConfirmLocalizedAsync(strs.adsarm_enable(prefix));
+            else
+                await ReplyConfirmLocalizedAsync(strs.adsarm_disable(prefix));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        [Priority(1)]
+        public Task Asar([Leftover] IRole role)
+            => Asar(0, role);
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        [Priority(0)]
+        public async Task Asar(int group, [Leftover] IRole role)
+        {
+            var guser = (IGuildUser)ctx.User;
+            if (ctx.User.Id != guser.Guild.OwnerId && guser.GetRoles().Max(x => x.Position) <= role.Position)
+                return;
+
+            var succ = _service.AddNew(ctx.Guild.Id, role, group);
+
+            if (succ)
+            {
+                await ReplyConfirmLocalizedAsync(strs.role_added(Format.Bold(role.Name),
+                    Format.Bold(@group.ToString())));
+            }
+            else
+                await ReplyErrorLocalizedAsync(strs.role_in_list(Format.Bold(role.Name)));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        [Priority(0)]
+        public async Task Sargn(int group, [Leftover] string name = null)
+        {
+            var set = await _service.SetNameAsync(ctx.Guild.Id, group, name);
+
+            if (set)
+            {
+                await ReplyConfirmLocalizedAsync(
+                    strs.group_name_added(Format.Bold(@group.ToString()), Format.Bold(name)));
+            }
+            else
+                await ReplyConfirmLocalizedAsync(strs.group_name_removed(Format.Bold(group.ToString())));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        public async Task Rsar([Leftover] IRole role)
+        {
+            var guser = (IGuildUser)ctx.User;
+            if (ctx.User.Id != guser.Guild.OwnerId && guser.GetRoles().Max(x => x.Position) <= role.Position)
+                return;
+
+            var success = _service.RemoveSar(role.Guild.Id, role.Id);
+            if (!success)
+                await ReplyErrorLocalizedAsync(strs.self_assign_not);
+            else
+                await ReplyConfirmLocalizedAsync(strs.self_assign_rem(Format.Bold(role.Name)));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        public async Task Lsar(int page = 1)
+        {
+            if (--page < 0)
+                return;
+
+            var (exclusive, roles, groups) = _service.GetRoles(ctx.Guild);
+
+            await ctx.SendPaginatedConfirmAsync(page,
+                cur =>
+                {
+                    var rolesStr = new StringBuilder();
+                    var roleGroups = roles.OrderBy(x => x.Model.Group)
+                                          .Skip(cur * 20)
+                                          .Take(20)
+                                          .GroupBy(x => x.Model.Group)
+                                          .OrderBy(x => x.Key);
+
+                    foreach (var kvp in roleGroups)
+                    {
+                        string groupNameText;
+                        if (!groups.TryGetValue(kvp.Key, out var name))
+                            groupNameText = Format.Bold(GetText(strs.self_assign_group(kvp.Key)));
+                        else
+                            groupNameText = Format.Bold($"{kvp.Key} - {name.TrimTo(25, true)}");
+
+                        rolesStr.AppendLine("\t\t\t\t ⟪" + groupNameText + "⟫");
+                        foreach (var (model, role) in kvp.AsEnumerable())
+                        {
+                            if (role is null)
+                            {
+                            }
+                            else
+                            {
+                                // first character is invisible space
+                                if (model.LevelRequirement == 0)
+                                    rolesStr.AppendLine("‌‌   " + role.Name);
+                                else
+                                    rolesStr.AppendLine("‌‌   " + role.Name + $" (lvl {model.LevelRequirement}+)");
+                            }
+                        }
+
+                        rolesStr.AppendLine();
+                    }
+
+                    return _eb.Create()
+                              .WithOkColor()
+                              .WithTitle(Format.Bold(GetText(strs.self_assign_list(roles.Count()))))
+                              .WithDescription(rolesStr.ToString())
+                              .WithFooter(exclusive
+                                  ? GetText(strs.self_assign_are_exclusive)
+                                  : GetText(strs.self_assign_are_not_exclusive));
+                },
+                roles.Count(),
+                20);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        public async Task Togglexclsar()
+        {
+            var areExclusive = _service.ToggleEsar(ctx.Guild.Id);
+            if (areExclusive)
+                await ReplyConfirmLocalizedAsync(strs.self_assign_excl);
+            else
+                await ReplyConfirmLocalizedAsync(strs.self_assign_no_excl);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        public async Task RoleLevelReq(int level, [Leftover] IRole role)
+        {
+            if (level < 0)
+                return;
+
+            var succ = _service.SetLevelReq(ctx.Guild.Id, role, level);
+
+            if (!succ)
+            {
+                await ReplyErrorLocalizedAsync(strs.self_assign_not);
+                return;
+            }
+
+            await ReplyConfirmLocalizedAsync(strs.self_assign_level_req(Format.Bold(role.Name),
+                Format.Bold(level.ToString())));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        public async Task Iam([Leftover] IRole role)
+        {
+            var guildUser = (IGuildUser)ctx.User;
+
+            var (result, autoDelete, extra) = await _service.Assign(guildUser, role);
+
+            IUserMessage msg;
+            if (result == SelfAssignedRolesService.AssignResult.ErrNotAssignable)
+                msg = await ReplyErrorLocalizedAsync(strs.self_assign_not);
+            else if (result == SelfAssignedRolesService.AssignResult.ErrLvlReq)
+                msg = await ReplyErrorLocalizedAsync(strs.self_assign_not_level(Format.Bold(extra.ToString())));
+            else if (result == SelfAssignedRolesService.AssignResult.ErrAlreadyHave)
+                msg = await ReplyErrorLocalizedAsync(strs.self_assign_already(Format.Bold(role.Name)));
+            else if (result == SelfAssignedRolesService.AssignResult.ErrNotPerms)
+                msg = await ReplyErrorLocalizedAsync(strs.self_assign_perms);
+            else
+                msg = await ReplyConfirmLocalizedAsync(strs.self_assign_success(Format.Bold(role.Name)));
+
+            if (autoDelete)
+            {
+                msg.DeleteAfter(3);
+                ctx.Message.DeleteAfter(3);
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        public async Task Iamnot([Leftover] IRole role)
+        {
+            var guildUser = (IGuildUser)ctx.User;
+
+            var (result, autoDelete) = await _service.Remove(guildUser, role);
+
+            IUserMessage msg;
+            if (result == SelfAssignedRolesService.RemoveResult.ErrNotAssignable)
+                msg = await ReplyErrorLocalizedAsync(strs.self_assign_not);
+            else if (result == SelfAssignedRolesService.RemoveResult.ErrNotHave)
+                msg = await ReplyErrorLocalizedAsync(strs.self_assign_not_have(Format.Bold(role.Name)));
+            else if (result == SelfAssignedRolesService.RemoveResult.ErrNotPerms)
+                msg = await ReplyErrorLocalizedAsync(strs.self_assign_perms);
+            else
+                msg = await ReplyConfirmLocalizedAsync(strs.self_assign_remove(Format.Bold(role.Name)));
+
+            if (autoDelete)
+            {
+                msg.DeleteAfter(3);
+                ctx.Message.DeleteAfter(3);
+            }
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/SelfAssignableRoles/SelfAssignedRolesService.cs

@@ -0,0 +1,234 @@
+#nullable disable
+using Microsoft.EntityFrameworkCore;
+using NadekoBot.Db;
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Modules.Administration.Services;
+
+public class SelfAssignedRolesService : INService
+{
+    public enum AssignResult
+    {
+        Assigned, // successfully removed
+        ErrNotAssignable, // not assignable (error)
+        ErrAlreadyHave, // you already have that role (error)
+        ErrNotPerms, // bot doesn't have perms (error)
+        ErrLvlReq // you are not required level (error)
+    }
+
+    public enum RemoveResult
+    {
+        Removed, // successfully removed
+        ErrNotAssignable, // not assignable (error)
+        ErrNotHave, // you don't have a role you want to remove (error)
+        ErrNotPerms // bot doesn't have perms (error)
+    }
+
+    private readonly DbService _db;
+
+    public SelfAssignedRolesService(DbService db)
+        => _db = db;
+
+    public bool AddNew(ulong guildId, IRole role, int group)
+    {
+        using var uow = _db.GetDbContext();
+        var roles = uow.SelfAssignableRoles.GetFromGuild(guildId);
+        if (roles.Any(s => s.RoleId == role.Id && s.GuildId == role.Guild.Id))
+            return false;
+
+        uow.SelfAssignableRoles.Add(new()
+        {
+            Group = group,
+            RoleId = role.Id,
+            GuildId = role.Guild.Id
+        });
+        uow.SaveChanges();
+        return true;
+    }
+
+    public bool ToggleAdSarm(ulong guildId)
+    {
+        bool newval;
+        using var uow = _db.GetDbContext();
+        var config = uow.GuildConfigsForId(guildId, set => set);
+        newval = config.AutoDeleteSelfAssignedRoleMessages = !config.AutoDeleteSelfAssignedRoleMessages;
+        uow.SaveChanges();
+        return newval;
+    }
+
+    public async Task<(AssignResult Result, bool AutoDelete, object extra)> Assign(IGuildUser guildUser, IRole role)
+    {
+        LevelStats userLevelData;
+        await using (var uow = _db.GetDbContext())
+        {
+            var stats = uow.GetOrCreateUserXpStats(guildUser.Guild.Id, guildUser.Id);
+            userLevelData = new(stats.Xp + stats.AwardedXp);
+        }
+
+        var (autoDelete, exclusive, roles) = GetAdAndRoles(guildUser.Guild.Id);
+
+        var theRoleYouWant = roles.FirstOrDefault(r => r.RoleId == role.Id);
+        if (theRoleYouWant is null)
+            return (AssignResult.ErrNotAssignable, autoDelete, null);
+        if (theRoleYouWant.LevelRequirement > userLevelData.Level)
+            return (AssignResult.ErrLvlReq, autoDelete, theRoleYouWant.LevelRequirement);
+        if (guildUser.RoleIds.Contains(role.Id))
+            return (AssignResult.ErrAlreadyHave, autoDelete, null);
+
+        var roleIds = roles.Where(x => x.Group == theRoleYouWant.Group).Select(x => x.RoleId).ToArray();
+        if (exclusive)
+        {
+            var sameRoles = guildUser.RoleIds.Where(r => roleIds.Contains(r));
+
+            foreach (var roleId in sameRoles)
+            {
+                var sameRole = guildUser.Guild.GetRole(roleId);
+                if (sameRole is not null)
+                {
+                    try
+                    {
+                        await guildUser.RemoveRoleAsync(sameRole);
+                        await Task.Delay(300);
+                    }
+                    catch
+                    {
+                        // ignored
+                    }
+                }
+            }
+        }
+
+        try
+        {
+            await guildUser.AddRoleAsync(role);
+        }
+        catch (Exception ex)
+        {
+            return (AssignResult.ErrNotPerms, autoDelete, ex);
+        }
+
+        return (AssignResult.Assigned, autoDelete, null);
+    }
+
+    public async Task<bool> SetNameAsync(ulong guildId, int group, string name)
+    {
+        var set = false;
+        await using var uow = _db.GetDbContext();
+        var gc = uow.GuildConfigsForId(guildId, y => y.Include(x => x.SelfAssignableRoleGroupNames));
+        var toUpdate = gc.SelfAssignableRoleGroupNames.FirstOrDefault(x => x.Number == group);
+
+        if (string.IsNullOrWhiteSpace(name))
+        {
+            if (toUpdate is not null)
+                gc.SelfAssignableRoleGroupNames.Remove(toUpdate);
+        }
+        else if (toUpdate is null)
+        {
+            gc.SelfAssignableRoleGroupNames.Add(new()
+            {
+                Name = name,
+                Number = group
+            });
+            set = true;
+        }
+        else
+        {
+            toUpdate.Name = name;
+            set = true;
+        }
+
+        await uow.SaveChangesAsync();
+
+        return set;
+    }
+
+    public async Task<(RemoveResult Result, bool AutoDelete)> Remove(IGuildUser guildUser, IRole role)
+    {
+        var (autoDelete, _, roles) = GetAdAndRoles(guildUser.Guild.Id);
+
+        if (roles.FirstOrDefault(r => r.RoleId == role.Id) is null)
+            return (RemoveResult.ErrNotAssignable, autoDelete);
+        if (!guildUser.RoleIds.Contains(role.Id))
+            return (RemoveResult.ErrNotHave, autoDelete);
+        try
+        {
+            await guildUser.RemoveRoleAsync(role);
+        }
+        catch (Exception)
+        {
+            return (RemoveResult.ErrNotPerms, autoDelete);
+        }
+
+        return (RemoveResult.Removed, autoDelete);
+    }
+
+    public bool RemoveSar(ulong guildId, ulong roleId)
+    {
+        bool success;
+        using var uow = _db.GetDbContext();
+        success = uow.SelfAssignableRoles.DeleteByGuildAndRoleId(guildId, roleId);
+        uow.SaveChanges();
+        return success;
+    }
+
+    public (bool AutoDelete, bool Exclusive, IReadOnlyCollection<SelfAssignedRole>) GetAdAndRoles(ulong guildId)
+    {
+        using var uow = _db.GetDbContext();
+        var gc = uow.GuildConfigsForId(guildId, set => set);
+        var autoDelete = gc.AutoDeleteSelfAssignedRoleMessages;
+        var exclusive = gc.ExclusiveSelfAssignedRoles;
+        var roles = uow.SelfAssignableRoles.GetFromGuild(guildId);
+
+        return (autoDelete, exclusive, roles);
+    }
+
+    public bool SetLevelReq(ulong guildId, IRole role, int level)
+    {
+        using var uow = _db.GetDbContext();
+        var roles = uow.SelfAssignableRoles.GetFromGuild(guildId);
+        var sar = roles.FirstOrDefault(x => x.RoleId == role.Id);
+        if (sar is not null)
+        {
+            sar.LevelRequirement = level;
+            uow.SaveChanges();
+        }
+        else
+            return false;
+
+        return true;
+    }
+
+    public bool ToggleEsar(ulong guildId)
+    {
+        bool areExclusive;
+        using var uow = _db.GetDbContext();
+        var config = uow.GuildConfigsForId(guildId, set => set);
+
+        areExclusive = config.ExclusiveSelfAssignedRoles = !config.ExclusiveSelfAssignedRoles;
+        uow.SaveChanges();
+        return areExclusive;
+    }
+
+    public (bool Exclusive, IReadOnlyCollection<(SelfAssignedRole Model, IRole Role)> Roles, IDictionary<int, string>
+        GroupNames
+        ) GetRoles(IGuild guild)
+    {
+        var exclusive = false;
+
+        IReadOnlyCollection<(SelfAssignedRole Model, IRole Role)> roles;
+        IDictionary<int, string> groupNames;
+        using (var uow = _db.GetDbContext())
+        {
+            var gc = uow.GuildConfigsForId(guild.Id, set => set.Include(x => x.SelfAssignableRoleGroupNames));
+            exclusive = gc.ExclusiveSelfAssignedRoles;
+            groupNames = gc.SelfAssignableRoleGroupNames.ToDictionary(x => x.Number, x => x.Name);
+            var roleModels = uow.SelfAssignableRoles.GetFromGuild(guild.Id);
+            roles = roleModels.Select(x => (Model: x, Role: guild.GetRole(x.RoleId)))
+                              .ToList();
+            uow.SelfAssignableRoles.RemoveRange(roles.Where(x => x.Role is null).Select(x => x.Model).ToArray());
+            uow.SaveChanges();
+        }
+
+        return (exclusive, roles.Where(x => x.Role is not null).ToList(), groupNames);
+    }
+}

src/Nadeko.Bot.Modules.Administration/ServerLog/DummyLogCommandService.cs

@@ -0,0 +1,25 @@
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Modules.Administration;
+
+public sealed class DummyLogCommandService : ILogCommandService
+#if GLOBAL_NADEKO
+, INService
+#endif
+{
+    public void AddDeleteIgnore(ulong xId)
+    {
+    }
+
+    public Task LogServer(ulong guildId, ulong channelId, bool actionValue)
+        => Task.CompletedTask;
+
+    public bool LogIgnore(ulong guildId, ulong itemId, IgnoredItemType itemType)
+        => false;
+
+    public LogSetting? GetGuildLogSettings(ulong guildId)
+        => default;
+
+    public bool Log(ulong guildId, ulong? channelId, LogType type)
+        => false;
+}

src/Nadeko.Bot.Modules.Administration/ServerLog/ServerLogCommands.cs

@@ -0,0 +1,165 @@
+using NadekoBot.Common.TypeReaders.Models;
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration
+{
+    [Group]
+    [NoPublicBot]
+    public partial class LogCommands : NadekoModule<ILogCommandService>
+    {
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [OwnerOnly]
+        public async Task LogServer(PermissionAction action)
+        {
+            await _service.LogServer(ctx.Guild.Id, ctx.Channel.Id, action.Value);
+            if (action.Value)
+                await ReplyConfirmLocalizedAsync(strs.log_all);
+            else
+                await ReplyConfirmLocalizedAsync(strs.log_disabled);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [OwnerOnly]
+        public async Task LogIgnore()
+        {
+            var settings = _service.GetGuildLogSettings(ctx.Guild.Id);
+
+            var chs = settings?.LogIgnores.Where(x => x.ItemType == IgnoredItemType.Channel).ToList()
+                      ?? new List<IgnoredLogItem>();
+            var usrs = settings?.LogIgnores.Where(x => x.ItemType == IgnoredItemType.User).ToList()
+                       ?? new List<IgnoredLogItem>();
+
+            var eb = _eb.Create(ctx)
+                        .WithOkColor()
+                        .AddField(GetText(strs.log_ignored_channels),
+                            chs.Count == 0
+                                ? "-"
+                                : string.Join('\n', chs.Select(x => $"{x.LogItemId} | <#{x.LogItemId}>")))
+                        .AddField(GetText(strs.log_ignored_users),
+                            usrs.Count == 0
+                                ? "-"
+                                : string.Join('\n', usrs.Select(x => $"{x.LogItemId} | <@{x.LogItemId}>")));
+
+            await ctx.Channel.EmbedAsync(eb);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [OwnerOnly]
+        public async Task LogIgnore([Leftover] ITextChannel target)
+        {
+            var removed = _service.LogIgnore(ctx.Guild.Id, target.Id, IgnoredItemType.Channel);
+
+            if (!removed)
+            {
+                await ReplyConfirmLocalizedAsync(
+                    strs.log_ignore_chan(Format.Bold(target.Mention + "(" + target.Id + ")")));
+            }
+            else
+            {
+                await ReplyConfirmLocalizedAsync(
+                    strs.log_not_ignore_chan(Format.Bold(target.Mention + "(" + target.Id + ")")));
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [OwnerOnly]
+        public async Task LogIgnore([Leftover] IUser target)
+        {
+            var removed = _service.LogIgnore(ctx.Guild.Id, target.Id, IgnoredItemType.User);
+
+            if (!removed)
+            {
+                await ReplyConfirmLocalizedAsync(
+                    strs.log_ignore_user(Format.Bold(target.Mention + "(" + target.Id + ")")));
+            }
+            else
+            {
+                await ReplyConfirmLocalizedAsync(
+                    strs.log_not_ignore_user(Format.Bold(target.Mention + "(" + target.Id + ")")));
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [OwnerOnly]
+        public async Task LogEvents()
+        {
+            var logSetting = _service.GetGuildLogSettings(ctx.Guild.Id);
+            var str = string.Join("\n",
+                Enum.GetNames<LogType>()
+                    .Select(x =>
+                    {
+                        var val = logSetting is null ? null : GetLogProperty(logSetting, Enum.Parse<LogType>(x));
+                        if (val is not null)
+                            return $"{Format.Bold(x)} <#{val}>";
+                        return Format.Bold(x);
+                    }));
+
+            await SendConfirmAsync(Format.Bold(GetText(strs.log_events)) + "\n" + str);
+        }
+
+        private static ulong? GetLogProperty(LogSetting l, LogType type)
+        {
+            switch (type)
+            {
+                case LogType.Other:
+                    return l.LogOtherId;
+                case LogType.MessageUpdated:
+                    return l.MessageUpdatedId;
+                case LogType.MessageDeleted:
+                    return l.MessageDeletedId;
+                case LogType.UserJoined:
+                    return l.UserJoinedId;
+                case LogType.UserLeft:
+                    return l.UserLeftId;
+                case LogType.UserBanned:
+                    return l.UserBannedId;
+                case LogType.UserUnbanned:
+                    return l.UserUnbannedId;
+                case LogType.UserUpdated:
+                    return l.UserUpdatedId;
+                case LogType.ChannelCreated:
+                    return l.ChannelCreatedId;
+                case LogType.ChannelDestroyed:
+                    return l.ChannelDestroyedId;
+                case LogType.ChannelUpdated:
+                    return l.ChannelUpdatedId;
+                case LogType.UserPresence:
+                    return l.LogUserPresenceId;
+                case LogType.VoicePresence:
+                    return l.LogVoicePresenceId;
+                case LogType.VoicePresenceTts:
+                    return l.LogVoicePresenceTTSId;
+                case LogType.UserMuted:
+                    return l.UserMutedId;
+                default:
+                    return null;
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [OwnerOnly]
+        public async Task Log(LogType type)
+        {
+            var val = _service.Log(ctx.Guild.Id, ctx.Channel.Id, type);
+
+            if (val)
+                await ReplyConfirmLocalizedAsync(strs.log(Format.Bold(type.ToString())));
+            else
+                await ReplyConfirmLocalizedAsync(strs.log_stop(Format.Bold(type.ToString())));
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/Timezone/GuildTimezoneService.cs

@@ -0,0 +1,78 @@
+#nullable disable
+using NadekoBot.Db;
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Modules.Administration.Services;
+
+public sealed class GuildTimezoneService : ITimezoneService, INService
+{
+    public static ConcurrentDictionary<ulong, GuildTimezoneService> AllServices { get; } = new();
+    private readonly ConcurrentDictionary<ulong, TimeZoneInfo> _timezones;
+    private readonly DbService _db;
+
+    public GuildTimezoneService(DiscordSocketClient client, IBot bot, DbService db)
+    {
+        _timezones = bot.AllGuildConfigs.Select(GetTimzezoneTuple)
+                        .Where(x => x.Timezone is not null)
+                        .ToDictionary(x => x.GuildId, x => x.Timezone)
+                        .ToConcurrent();
+
+        var curUser = client.CurrentUser;
+        if (curUser is not null)
+            AllServices.TryAdd(curUser.Id, this);
+        _db = db;
+
+        bot.JoinedGuild += Bot_JoinedGuild;
+    }
+
+    private Task Bot_JoinedGuild(GuildConfig arg)
+    {
+        var (guildId, tz) = GetTimzezoneTuple(arg);
+        if (tz is not null)
+            _timezones.TryAdd(guildId, tz);
+        return Task.CompletedTask;
+    }
+
+    private static (ulong GuildId, TimeZoneInfo Timezone) GetTimzezoneTuple(GuildConfig x)
+    {
+        TimeZoneInfo tz;
+        try
+        {
+            if (x.TimeZoneId is null)
+                tz = null;
+            else
+                tz = TimeZoneInfo.FindSystemTimeZoneById(x.TimeZoneId);
+        }
+        catch
+        {
+            tz = null;
+        }
+
+        return (x.GuildId, Timezone: tz);
+    }
+
+    public TimeZoneInfo GetTimeZoneOrDefault(ulong? guildId)
+    {
+        if (guildId is ulong gid && _timezones.TryGetValue(gid, out var tz))
+            return tz;
+        
+        return null;
+    }
+
+    public void SetTimeZone(ulong guildId, TimeZoneInfo tz)
+    {
+        using var uow = _db.GetDbContext();
+        var gc = uow.GuildConfigsForId(guildId, set => set);
+
+        gc.TimeZoneId = tz?.Id;
+        uow.SaveChanges();
+
+        if (tz is null)
+            _timezones.TryRemove(guildId, out tz);
+        else
+            _timezones.AddOrUpdate(guildId, tz, (_, _) => tz);
+    }
+
+    public TimeZoneInfo GetTimeZoneOrUtc(ulong? guildId)
+        => GetTimeZoneOrDefault(guildId) ?? TimeZoneInfo.Utc;
+}

src/Nadeko.Bot.Modules.Administration/Timezone/TimeZoneCommands.cs

@@ -0,0 +1,75 @@
+#nullable disable
+using NadekoBot.Modules.Administration.Services;
+
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration
+{
+    [Group]
+    public partial class TimeZoneCommands : NadekoModule<GuildTimezoneService>
+    {
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        public async Task Timezones(int page = 1)
+        {
+            page--;
+
+            if (page is < 0 or > 20)
+                return;
+
+            var timezones = TimeZoneInfo.GetSystemTimeZones().OrderBy(x => x.BaseUtcOffset).ToArray();
+            var timezonesPerPage = 20;
+
+            var curTime = DateTimeOffset.UtcNow;
+
+            var i = 0;
+            var timezoneStrings = timezones.Select(x => (x, ++i % 2 == 0))
+                                           .Select(data =>
+                                           {
+                                               var (tzInfo, flip) = data;
+                                               var nameStr = $"{tzInfo.Id,-30}";
+                                               var offset = curTime.ToOffset(tzInfo.GetUtcOffset(curTime))
+                                                                   .ToString("zzz");
+                                               if (flip)
+                                                   return $"{offset} {Format.Code(nameStr)}";
+                                               return $"{Format.Code(offset)} {nameStr}";
+                                           });
+
+
+            await ctx.SendPaginatedConfirmAsync(page,
+                curPage => _eb.Create()
+                              .WithOkColor()
+                              .WithTitle(GetText(strs.timezones_available))
+                              .WithDescription(string.Join("\n",
+                                  timezoneStrings.Skip(curPage * timezonesPerPage).Take(timezonesPerPage))),
+                timezones.Length,
+                timezonesPerPage);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        public async Task Timezone()
+            => await ReplyConfirmLocalizedAsync(strs.timezone_guild(_service.GetTimeZoneOrUtc(ctx.Guild.Id)));
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        public async Task Timezone([Leftover] string id)
+        {
+            TimeZoneInfo tz;
+            try { tz = TimeZoneInfo.FindSystemTimeZoneById(id); }
+            catch { tz = null; }
+
+
+            if (tz is null)
+            {
+                await ReplyErrorLocalizedAsync(strs.timezone_not_found);
+                return;
+            }
+
+            _service.SetTimeZone(ctx.Guild.Id, tz);
+
+            await SendConfirmAsync(tz.ToString());
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/UserPunish/UserPunishCommands.cs

@@ -0,0 +1,932 @@
+#nullable disable
+using CommandLine;
+using Humanizer.Localisation;
+using NadekoBot.Common.TypeReaders.Models;
+using NadekoBot.Modules.Administration.Services;
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration
+{
+    [Group]
+    public partial class UserPunishCommands : NadekoModule<UserPunishService>
+    {
+        public enum AddRole
+        {
+            AddRole
+        }
+
+        private readonly MuteService _mute;
+
+        public UserPunishCommands(MuteService mute)
+        {
+            _mute = mute;
+        }
+
+        private async Task<bool> CheckRoleHierarchy(IGuildUser target)
+        {
+            var curUser = ((SocketGuild)ctx.Guild).CurrentUser;
+            var ownerId = ctx.Guild.OwnerId;
+            var modMaxRole = ((IGuildUser)ctx.User).GetRoles().Max(r => r.Position);
+            var targetMaxRole = target.GetRoles().Max(r => r.Position);
+            var botMaxRole = curUser.GetRoles().Max(r => r.Position);
+            // bot can't punish a user who is higher in the hierarchy. Discord will return 403
+            // moderator can be owner, in which case role hierarchy doesn't matter
+            // otherwise, moderator has to have a higher role
+            if (botMaxRole <= targetMaxRole
+                || (ctx.User.Id != ownerId && targetMaxRole >= modMaxRole)
+                || target.Id == ownerId)
+            {
+                await ReplyErrorLocalizedAsync(strs.hierarchy);
+                return false;
+            }
+
+            return true;
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        public Task Warn(IGuildUser user, [Leftover] string reason = null)
+            => Warn(1, user, reason);
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        public async Task Warn(int weight, IGuildUser user, [Leftover] string reason = null)
+        {
+            if (weight <= 0)
+                return;
+
+            if (!await CheckRoleHierarchy(user))
+                return;
+
+            var dmFailed = false;
+            try
+            {
+                await user.EmbedAsync(_eb.Create()
+                                         .WithErrorColor()
+                                         .WithDescription(GetText(strs.warned_on(ctx.Guild.ToString())))
+                                         .AddField(GetText(strs.moderator), ctx.User.ToString())
+                                         .AddField(GetText(strs.reason), reason ?? "-"));
+            }
+            catch
+            {
+                dmFailed = true;
+            }
+
+            WarningPunishment punishment;
+            try
+            {
+                punishment = await _service.Warn(ctx.Guild, user.Id, ctx.User, weight, reason);
+            }
+            catch (Exception ex)
+            {
+                Log.Warning(ex, "Exception occured while warning a user");
+                var errorEmbed = _eb.Create().WithErrorColor().WithDescription(GetText(strs.cant_apply_punishment));
+
+                if (dmFailed)
+                    errorEmbed.WithFooter("⚠️ " + GetText(strs.unable_to_dm_user));
+
+                await ctx.Channel.EmbedAsync(errorEmbed);
+                return;
+            }
+
+            var embed = _eb.Create().WithOkColor();
+            if (punishment is null)
+                embed.WithDescription(GetText(strs.user_warned(Format.Bold(user.ToString()))));
+            else
+            {
+                embed.WithDescription(GetText(strs.user_warned_and_punished(Format.Bold(user.ToString()),
+                    Format.Bold(punishment.Punishment.ToString()))));
+            }
+
+            if (dmFailed)
+                embed.WithFooter("⚠️ " + GetText(strs.unable_to_dm_user));
+
+            await ctx.Channel.EmbedAsync(embed);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [NadekoOptions<WarnExpireOptions>]
+        [Priority(1)]
+        public async Task WarnExpire()
+        {
+            var expireDays = await _service.GetWarnExpire(ctx.Guild.Id);
+
+            if (expireDays == 0)
+                await ReplyConfirmLocalizedAsync(strs.warns_dont_expire);
+            else
+                await ReplyErrorLocalizedAsync(strs.warns_expire_in(expireDays));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        [NadekoOptions<WarnExpireOptions>]
+        [Priority(2)]
+        public async Task WarnExpire(int days, params string[] args)
+        {
+            if (days is < 0 or > 366)
+                return;
+
+            var opts = OptionsParser.ParseFrom<WarnExpireOptions>(args);
+
+            await ctx.Channel.TriggerTypingAsync();
+
+            await _service.WarnExpireAsync(ctx.Guild.Id, days, opts.Delete);
+            if (days == 0)
+            {
+                await ReplyConfirmLocalizedAsync(strs.warn_expire_reset);
+                return;
+            }
+
+            if (opts.Delete)
+                await ReplyConfirmLocalizedAsync(strs.warn_expire_set_delete(Format.Bold(days.ToString())));
+            else
+                await ReplyConfirmLocalizedAsync(strs.warn_expire_set_clear(Format.Bold(days.ToString())));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [Priority(2)]
+        public Task Warnlog(int page, [Leftover] IGuildUser user = null)
+        {
+            user ??= (IGuildUser)ctx.User;
+
+            return Warnlog(page, user.Id);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [Priority(3)]
+        public Task Warnlog(IGuildUser user = null)
+        {
+            user ??= (IGuildUser)ctx.User;
+
+            return ctx.User.Id == user.Id || ((IGuildUser)ctx.User).GuildPermissions.BanMembers
+                ? Warnlog(user.Id)
+                : Task.CompletedTask;
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [Priority(0)]
+        public Task Warnlog(int page, ulong userId)
+            => InternalWarnlog(userId, page - 1);
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [Priority(1)]
+        public Task Warnlog(ulong userId)
+            => InternalWarnlog(userId, 0);
+
+        private async Task InternalWarnlog(ulong userId, int inputPage)
+        {
+            if (inputPage < 0)
+                return;
+
+            var allWarnings = _service.UserWarnings(ctx.Guild.Id, userId);
+
+            await ctx.SendPaginatedConfirmAsync(inputPage,
+                page =>
+                {
+                    var warnings = allWarnings.Skip(page * 9).Take(9).ToArray();
+
+                    var user = (ctx.Guild as SocketGuild)?.GetUser(userId)?.ToString() ?? userId.ToString();
+                    var embed = _eb.Create().WithOkColor().WithTitle(GetText(strs.warnlog_for(user)));
+
+                    if (!warnings.Any())
+                        embed.WithDescription(GetText(strs.warnings_none));
+                    else
+                    {
+                        var descText = GetText(strs.warn_count(
+                            Format.Bold(warnings.Where(x => !x.Forgiven).Sum(x => x.Weight).ToString()),
+                            Format.Bold(warnings.Sum(x => x.Weight).ToString())));
+
+                        embed.WithDescription(descText);
+
+                        var i = page * 9;
+                        foreach (var w in warnings)
+                        {
+                            i++;
+                            var name = GetText(strs.warned_on_by(w.DateAdded?.ToString("dd.MM.yyy"),
+                                w.DateAdded?.ToString("HH:mm"),
+                                w.Moderator));
+
+                            if (w.Forgiven)
+                                name = $"{Format.Strikethrough(name)} {GetText(strs.warn_cleared_by(w.ForgivenBy))}";
+
+
+                            embed.AddField($"#`{i}` " + name,
+                                Format.Code(GetText(strs.warn_weight(w.Weight))) + '\n' + w.Reason.TrimTo(1000));
+                        }
+                    }
+
+                    return embed;
+                },
+                allWarnings.Length,
+                9);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        public async Task WarnlogAll(int page = 1)
+        {
+            if (--page < 0)
+                return;
+            var warnings = _service.WarnlogAll(ctx.Guild.Id);
+
+            await ctx.SendPaginatedConfirmAsync(page,
+                curPage =>
+                {
+                    var ws = warnings.Skip(curPage * 15)
+                                     .Take(15)
+                                     .ToArray()
+                                     .Select(x =>
+                                     {
+                                         var all = x.Count();
+                                         var forgiven = x.Count(y => y.Forgiven);
+                                         var total = all - forgiven;
+                                         var usr = ((SocketGuild)ctx.Guild).GetUser(x.Key);
+                                         return (usr?.ToString() ?? x.Key.ToString())
+                                                + $" | {total} ({all} - {forgiven})";
+                                     });
+
+                    return _eb.Create()
+                              .WithOkColor()
+                              .WithTitle(GetText(strs.warnings_list))
+                              .WithDescription(string.Join("\n", ws));
+                },
+                warnings.Length,
+                15);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        public Task Warnclear(IGuildUser user, int index = 0)
+            => Warnclear(user.Id, index);
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        public async Task Warnclear(ulong userId, int index = 0)
+        {
+            if (index < 0)
+                return;
+            var success = await _service.WarnClearAsync(ctx.Guild.Id, userId, index, ctx.User.ToString());
+            var userStr = Format.Bold((ctx.Guild as SocketGuild)?.GetUser(userId)?.ToString() ?? userId.ToString());
+            if (index == 0)
+                await ReplyErrorLocalizedAsync(strs.warnings_cleared(userStr));
+            else
+            {
+                if (success)
+                    await ReplyConfirmLocalizedAsync(strs.warning_cleared(Format.Bold(index.ToString()), userStr));
+                else
+                    await ReplyErrorLocalizedAsync(strs.warning_clear_fail);
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [Priority(1)]
+        public async Task WarnPunish(
+            int number,
+            AddRole _,
+            IRole role,
+            StoopidTime time = null)
+        {
+            var punish = PunishmentAction.AddRole;
+
+            if (ctx.Guild.OwnerId != ctx.User.Id
+                && role.Position >= ((IGuildUser)ctx.User).GetRoles().Max(x => x.Position))
+            {
+                await ReplyErrorLocalizedAsync(strs.role_too_high);
+                return;
+            }
+
+            var success = _service.WarnPunish(ctx.Guild.Id, number, punish, time, role);
+
+            if (!success)
+                return;
+
+            if (time is null)
+            {
+                await ReplyConfirmLocalizedAsync(strs.warn_punish_set(Format.Bold(punish.ToString()),
+                    Format.Bold(number.ToString())));
+            }
+            else
+            {
+                await ReplyConfirmLocalizedAsync(strs.warn_punish_set_timed(Format.Bold(punish.ToString()),
+                    Format.Bold(number.ToString()),
+                    Format.Bold(time.Input)));
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        public async Task WarnPunish(int number, PunishmentAction punish, StoopidTime time = null)
+        {
+            // this should never happen. Addrole has its own method with higher priority
+            // also disallow warn punishment for getting warned
+            if (punish is PunishmentAction.AddRole or PunishmentAction.Warn)
+                return;
+
+            // you must specify the time for timeout
+            if (punish is PunishmentAction.TimeOut && time is null)
+                return;
+
+            var success = _service.WarnPunish(ctx.Guild.Id, number, punish, time);
+
+            if (!success)
+                return;
+
+            if (time is null)
+            {
+                await ReplyConfirmLocalizedAsync(strs.warn_punish_set(Format.Bold(punish.ToString()),
+                    Format.Bold(number.ToString())));
+            }
+            else
+            {
+                await ReplyConfirmLocalizedAsync(strs.warn_punish_set_timed(Format.Bold(punish.ToString()),
+                    Format.Bold(number.ToString()),
+                    Format.Bold(time.Input)));
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        public async Task WarnPunish(int number)
+        {
+            if (!_service.WarnPunishRemove(ctx.Guild.Id, number))
+                return;
+
+            await ReplyConfirmLocalizedAsync(strs.warn_punish_rem(Format.Bold(number.ToString())));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        public async Task WarnPunishList()
+        {
+            var ps = _service.WarnPunishList(ctx.Guild.Id);
+
+            string list;
+            if (ps.Any())
+            {
+                list = string.Join("\n",
+                    ps.Select(x
+                        => $"{x.Count} -> {x.Punishment} {(x.Punishment == PunishmentAction.AddRole ? $"<@&{x.RoleId}>" : "")} {(x.Time <= 0 ? "" : x.Time + "m")} "));
+            }
+            else
+                list = GetText(strs.warnpl_none);
+
+            await SendConfirmAsync(GetText(strs.warn_punish_list), list);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [BotPerm(GuildPerm.BanMembers)]
+        [Priority(1)]
+        public Task Ban(StoopidTime time, IUser user, [Leftover] string msg = null)
+            => Ban(time, user.Id, msg);
+        
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [BotPerm(GuildPerm.BanMembers)]
+        [Priority(0)]
+        public async Task Ban(StoopidTime time, ulong userId, [Leftover] string msg = null)
+        {
+            if (time.Time > TimeSpan.FromDays(49))
+                return;
+
+            var guildUser = await ((DiscordSocketClient)Context.Client).Rest.GetGuildUserAsync(ctx.Guild.Id, userId);
+            
+
+            if (guildUser is not null && !await CheckRoleHierarchy(guildUser))
+                return;
+
+            var dmFailed = false;
+
+            if (guildUser is not null)
+            {
+                try
+                {
+                    var defaultMessage = GetText(strs.bandm(Format.Bold(ctx.Guild.Name), msg));
+                    var embed = _service.GetBanUserDmEmbed(Context, guildUser, defaultMessage, msg, time.Time);
+                    if (embed is not null)
+                        await guildUser.SendAsync(embed);
+                }
+                catch
+                {
+                    dmFailed = true;
+                }
+            }
+
+            var user = await ctx.Client.GetUserAsync(userId);
+            var banPrune = await _service.GetBanPruneAsync(ctx.Guild.Id) ?? 7;
+            await _mute.TimedBan(ctx.Guild, userId, time.Time, (ctx.User + " | " + msg).TrimTo(512), banPrune);
+            var toSend = _eb.Create()
+                            .WithOkColor()
+                            .WithTitle("⛔️ " + GetText(strs.banned_user))
+                            .AddField(GetText(strs.username),  user?.ToString() ?? userId.ToString(), true)
+                            .AddField("ID", userId.ToString(), true)
+                            .AddField(GetText(strs.duration),
+                                time.Time.Humanize(3, minUnit: TimeUnit.Minute, culture: Culture),
+                                true);
+
+            if (dmFailed)
+                toSend.WithFooter("⚠️ " + GetText(strs.unable_to_dm_user));
+
+            await ctx.Channel.EmbedAsync(toSend);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [BotPerm(GuildPerm.BanMembers)]
+        [Priority(0)]
+        public async Task Ban(ulong userId, [Leftover] string msg = null)
+        {
+            var user = await ((DiscordSocketClient)Context.Client).Rest.GetGuildUserAsync(ctx.Guild.Id, userId);
+            if (user is null)
+            {
+                var banPrune = await _service.GetBanPruneAsync(ctx.Guild.Id) ?? 7;
+                await ctx.Guild.AddBanAsync(userId, banPrune, (ctx.User + " | " + msg).TrimTo(512));
+
+                await ctx.Channel.EmbedAsync(_eb.Create()
+                                                .WithOkColor()
+                                                .WithTitle("⛔️ " + GetText(strs.banned_user))
+                                                .AddField("ID", userId.ToString(), true));
+            }
+            else
+                await Ban(user, msg);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [BotPerm(GuildPerm.BanMembers)]
+        [Priority(2)]
+        public async Task Ban(IGuildUser user, [Leftover] string msg = null)
+        {
+            if (!await CheckRoleHierarchy(user))
+                return;
+
+            var dmFailed = false;
+
+            try
+            {
+                var defaultMessage = GetText(strs.bandm(Format.Bold(ctx.Guild.Name), msg));
+                var embed = _service.GetBanUserDmEmbed(Context, user, defaultMessage, msg, null);
+                if (embed is not null)
+                    await user.SendAsync(embed);
+            }
+            catch
+            {
+                dmFailed = true;
+            }
+
+            var banPrune = await _service.GetBanPruneAsync(ctx.Guild.Id) ?? 7;
+            await ctx.Guild.AddBanAsync(user, banPrune, (ctx.User + " | " + msg).TrimTo(512));
+
+            var toSend = _eb.Create()
+                            .WithOkColor()
+                            .WithTitle("⛔️ " + GetText(strs.banned_user))
+                            .AddField(GetText(strs.username), user.ToString(), true)
+                            .AddField("ID", user.Id.ToString(), true);
+
+            if (dmFailed)
+                toSend.WithFooter("⚠️ " + GetText(strs.unable_to_dm_user));
+
+            await ctx.Channel.EmbedAsync(toSend);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [BotPerm(GuildPerm.BanMembers)]
+        public async Task BanPrune(int days)
+        {
+            if (days < 0 || days > 7)
+            {
+                await ReplyErrorLocalizedAsync(strs.invalid_input);
+                return;
+            }
+            
+            await _service.SetBanPruneAsync(ctx.Guild.Id, days);
+            
+            if (days == 0)
+                await ReplyConfirmLocalizedAsync(strs.ban_prune_disabled);
+            else
+                await ReplyConfirmLocalizedAsync(strs.ban_prune(days));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [BotPerm(GuildPerm.BanMembers)]
+        public async Task BanMessage([Leftover] string message = null)
+        {
+            if (message is null)
+            {
+                var template = _service.GetBanTemplate(ctx.Guild.Id);
+                if (template is null)
+                {
+                    await ReplyConfirmLocalizedAsync(strs.banmsg_default);
+                    return;
+                }
+
+                await SendConfirmAsync(template);
+                return;
+            }
+
+            _service.SetBanTemplate(ctx.Guild.Id, message);
+            await ctx.OkAsync();
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [BotPerm(GuildPerm.BanMembers)]
+        public async Task BanMsgReset()
+        {
+            _service.SetBanTemplate(ctx.Guild.Id, null);
+            await ctx.OkAsync();
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [BotPerm(GuildPerm.BanMembers)]
+        [Priority(0)]
+        public Task BanMessageTest([Leftover] string reason = null)
+            => InternalBanMessageTest(reason, null);
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [BotPerm(GuildPerm.BanMembers)]
+        [Priority(1)]
+        public Task BanMessageTest(StoopidTime duration, [Leftover] string reason = null)
+            => InternalBanMessageTest(reason, duration.Time);
+
+        private async Task InternalBanMessageTest(string reason, TimeSpan? duration)
+        {
+            var defaultMessage = GetText(strs.bandm(Format.Bold(ctx.Guild.Name), reason));
+            var embed = _service.GetBanUserDmEmbed(Context, (IGuildUser)ctx.User, defaultMessage, reason, duration);
+
+            if (embed is null)
+                await ConfirmLocalizedAsync(strs.banmsg_disabled);
+            else
+            {
+                try
+                {
+                    await ctx.User.SendAsync(embed);
+                }
+                catch (Exception)
+                {
+                    await ReplyErrorLocalizedAsync(strs.unable_to_dm_user);
+                    return;
+                }
+
+                await ctx.OkAsync();
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [BotPerm(GuildPerm.BanMembers)]
+        public async Task Unban([Leftover] string user)
+        {
+            var bans = await ctx.Guild.GetBansAsync().FlattenAsync();
+
+            var bun = bans.FirstOrDefault(x => x.User.ToString()!.ToLowerInvariant() == user.ToLowerInvariant());
+
+            if (bun is null)
+            {
+                await ReplyErrorLocalizedAsync(strs.user_not_found);
+                return;
+            }
+
+            await UnbanInternal(bun.User);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [BotPerm(GuildPerm.BanMembers)]
+        public async Task Unban(ulong userId)
+        {
+            var bun = await ctx.Guild.GetBanAsync(userId);
+
+            if (bun is null)
+            {
+                await ReplyErrorLocalizedAsync(strs.user_not_found);
+                return;
+            }
+
+            await UnbanInternal(bun.User);
+        }
+
+        private async Task UnbanInternal(IUser user)
+        {
+            await ctx.Guild.RemoveBanAsync(user);
+
+            await ReplyConfirmLocalizedAsync(strs.unbanned_user(Format.Bold(user.ToString())));
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.KickMembers | GuildPerm.ManageMessages)]
+        [BotPerm(GuildPerm.BanMembers)]
+        public Task Softban(IGuildUser user, [Leftover] string msg = null)
+            => SoftbanInternal(user, msg);
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.KickMembers | GuildPerm.ManageMessages)]
+        [BotPerm(GuildPerm.BanMembers)]
+        public async Task Softban(ulong userId, [Leftover] string msg = null)
+        {
+            var user = await ((DiscordSocketClient)Context.Client).Rest.GetGuildUserAsync(ctx.Guild.Id, userId);
+            if (user is null)
+                return;
+
+            await SoftbanInternal(user, msg);
+        }
+
+        private async Task SoftbanInternal(IGuildUser user, [Leftover] string msg = null)
+        {
+            if (!await CheckRoleHierarchy(user))
+                return;
+
+            var dmFailed = false;
+
+            try
+            {
+                await user.SendErrorAsync(_eb, GetText(strs.sbdm(Format.Bold(ctx.Guild.Name), msg)));
+            }
+            catch
+            {
+                dmFailed = true;
+            }
+
+            var banPrune = await _service.GetBanPruneAsync(ctx.Guild.Id) ?? 7;
+            await ctx.Guild.AddBanAsync(user, banPrune, ("Softban | " + ctx.User + " | " + msg).TrimTo(512));
+            try { await ctx.Guild.RemoveBanAsync(user); }
+            catch { await ctx.Guild.RemoveBanAsync(user); }
+
+            var toSend = _eb.Create()
+                            .WithOkColor()
+                            .WithTitle("☣ " + GetText(strs.sb_user))
+                            .AddField(GetText(strs.username), user.ToString(), true)
+                            .AddField("ID", user.Id.ToString(), true);
+
+            if (dmFailed)
+                toSend.WithFooter("⚠️ " + GetText(strs.unable_to_dm_user));
+
+            await ctx.Channel.EmbedAsync(toSend);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.KickMembers)]
+        [BotPerm(GuildPerm.KickMembers)]
+        [Priority(1)]
+        public Task Kick(IGuildUser user, [Leftover] string msg = null)
+            => KickInternal(user, msg);
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.KickMembers)]
+        [BotPerm(GuildPerm.KickMembers)]
+        [Priority(0)]
+        public async Task Kick(ulong userId, [Leftover] string msg = null)
+        {
+            var user = await ((DiscordSocketClient)Context.Client).Rest.GetGuildUserAsync(ctx.Guild.Id, userId);
+            if (user is null)
+                return;
+
+            await KickInternal(user, msg);
+        }
+
+        private async Task KickInternal(IGuildUser user, string msg = null)
+        {
+            if (!await CheckRoleHierarchy(user))
+                return;
+
+            var dmFailed = false;
+
+            try
+            {
+                await user.SendErrorAsync(_eb, GetText(strs.kickdm(Format.Bold(ctx.Guild.Name), msg)));
+            }
+            catch
+            {
+                dmFailed = true;
+            }
+
+            await user.KickAsync((ctx.User + " | " + msg).TrimTo(512));
+
+            var toSend = _eb.Create()
+                            .WithOkColor()
+                            .WithTitle(GetText(strs.kicked_user))
+                            .AddField(GetText(strs.username), user.ToString(), true)
+                            .AddField("ID", user.Id.ToString(), true);
+
+            if (dmFailed)
+                toSend.WithFooter("⚠️ " + GetText(strs.unable_to_dm_user));
+
+            await ctx.Channel.EmbedAsync(toSend);
+        }
+        
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.ModerateMembers)]
+        [BotPerm(GuildPerm.ModerateMembers)]
+        [Priority(2)]
+        public async Task Timeout(IUser globalUser, StoopidTime time,  [Leftover] string msg = null)
+        {
+            var user = await ctx.Guild.GetUserAsync(globalUser.Id);
+
+            if (user is null)
+                return;
+            
+            if (!await CheckRoleHierarchy(user))
+                return;
+
+            var dmFailed = false;
+
+            try
+            {
+                var dmMessage = GetText(strs.timeoutdm(Format.Bold(ctx.Guild.Name), msg));
+                await user.EmbedAsync(_eb.Create(ctx)
+                        .WithPendingColor()
+                        .WithDescription(dmMessage));
+            }
+            catch
+            {
+                dmFailed = true;
+            }
+            
+            await user.SetTimeOutAsync(time.Time);
+
+            var toSend = _eb.Create()
+                .WithOkColor()
+                .WithTitle("⏳ " + GetText(strs.timedout_user))
+                .AddField(GetText(strs.username), user.ToString(), true)
+                .AddField("ID", user.Id.ToString(), true);
+
+            if (dmFailed)
+                toSend.WithFooter("⚠️ " + GetText(strs.unable_to_dm_user));
+
+            await ctx.Channel.EmbedAsync(toSend);
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [BotPerm(GuildPerm.BanMembers)]
+        [Ratelimit(30)]
+        public async Task MassBan(params string[] userStrings)
+        {
+            if (userStrings.Length == 0)
+                return;
+
+            var missing = new List<string>();
+            var banning = new HashSet<IUser>();
+
+            await ctx.Channel.TriggerTypingAsync();
+            foreach (var userStr in userStrings)
+            {
+                if (ulong.TryParse(userStr, out var userId))
+                {
+                    IUser user = await ctx.Guild.GetUserAsync(userId)
+                                 ?? await ((DiscordSocketClient)Context.Client).Rest.GetGuildUserAsync(ctx.Guild.Id,
+                                     userId);
+
+                    if (user is null)
+                    {
+                        // if IGuildUser is null, try to get IUser
+                        user = await ((DiscordSocketClient)Context.Client).Rest.GetUserAsync(userId);
+
+                        // only add to missing if *still* null
+                        if (user is null)
+                        {
+                            missing.Add(userStr);
+                            continue;
+                        }
+                    }
+
+                    //Hierachy checks only if the user is in the guild
+                    if (user is IGuildUser gu && !await CheckRoleHierarchy(gu))
+                        return;
+
+                    banning.Add(user);
+                }
+                else
+                    missing.Add(userStr);
+            }
+
+            var missStr = string.Join("\n", missing);
+            if (string.IsNullOrWhiteSpace(missStr))
+                missStr = "-";
+
+            var toSend = _eb.Create(ctx)
+                            .WithDescription(GetText(strs.mass_ban_in_progress(banning.Count)))
+                            .AddField(GetText(strs.invalid(missing.Count)), missStr)
+                            .WithPendingColor();
+
+            var banningMessage = await ctx.Channel.EmbedAsync(toSend);
+
+            var banPrune = await _service.GetBanPruneAsync(ctx.Guild.Id) ?? 7;
+            foreach (var toBan in banning)
+            {
+                try
+                {
+                    await ctx.Guild.AddBanAsync(toBan.Id, banPrune, $"{ctx.User} | Massban");
+                }
+                catch (Exception ex)
+                {
+                    Log.Warning(ex, "Error banning {User} user in {GuildId} server", toBan.Id, ctx.Guild.Id);
+                }
+            }
+
+            await banningMessage.ModifyAsync(x => x.Embed = _eb.Create()
+                                                               .WithDescription(
+                                                                   GetText(strs.mass_ban_completed(banning.Count())))
+                                                               .AddField(GetText(strs.invalid(missing.Count)), missStr)
+                                                               .WithOkColor()
+                                                               .Build());
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [BotPerm(GuildPerm.BanMembers)]
+        [OwnerOnly]
+        public async Task MassKill([Leftover] string people)
+        {
+            if (string.IsNullOrWhiteSpace(people))
+                return;
+
+            var (bans, missing) = _service.MassKill((SocketGuild)ctx.Guild, people);
+
+            var missStr = string.Join("\n", missing);
+            if (string.IsNullOrWhiteSpace(missStr))
+                missStr = "-";
+
+            //send a message but don't wait for it
+            var banningMessageTask = ctx.Channel.EmbedAsync(_eb.Create()
+                                                               .WithDescription(
+                                                                   GetText(strs.mass_kill_in_progress(bans.Count())))
+                                                               .AddField(GetText(strs.invalid(missing)), missStr)
+                                                               .WithPendingColor());
+
+            var banPrune = await _service.GetBanPruneAsync(ctx.Guild.Id) ?? 7;
+            //do the banning
+            await Task.WhenAll(bans.Where(x => x.Id.HasValue)
+                                   .Select(x => ctx.Guild.AddBanAsync(x.Id.Value,
+                                       banPrune,
+                                       x.Reason,
+                                       new()
+                                       {
+                                           RetryMode = RetryMode.AlwaysRetry
+                                       })));
+
+            //wait for the message and edit it
+            var banningMessage = await banningMessageTask;
+
+            await banningMessage.ModifyAsync(x => x.Embed = _eb.Create()
+                                                               .WithDescription(
+                                                                   GetText(strs.mass_kill_completed(bans.Count())))
+                                                               .AddField(GetText(strs.invalid(missing)), missStr)
+                                                               .WithOkColor()
+                                                               .Build());
+        }
+
+        public class WarnExpireOptions : INadekoCommandOptions
+        {
+            [Option('d', "delete", Default = false, HelpText = "Delete warnings instead of clearing them.")]
+            public bool Delete { get; set; } = false;
+
+            public void NormalizeOptions()
+            {
+            }
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/UserPunish/UserPunishService.cs

@@ -0,0 +1,595 @@
+#nullable disable
+using LinqToDB;
+using LinqToDB.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore;
+using NadekoBot.Common.ModuleBehaviors;
+using NadekoBot.Common.TypeReaders.Models;
+using NadekoBot.Db;
+using NadekoBot.Modules.Permissions.Services;
+using NadekoBot.Services.Database.Models;
+using Newtonsoft.Json;
+
+namespace NadekoBot.Modules.Administration.Services;
+
+public class UserPunishService : INService, IReadyExecutor
+{
+    private readonly MuteService _mute;
+    private readonly DbService _db;
+    private readonly BlacklistService _blacklistService;
+    private readonly BotConfigService _bcs;
+    private readonly DiscordSocketClient _client;
+
+    public event Func<Warning, Task> OnUserWarned = static delegate { return Task.CompletedTask; };
+
+    public UserPunishService(
+        MuteService mute,
+        DbService db,
+        BlacklistService blacklistService,
+        BotConfigService bcs,
+        DiscordSocketClient client)
+    {
+        _mute = mute;
+        _db = db;
+        _blacklistService = blacklistService;
+        _bcs = bcs;
+        _client = client;
+    }
+
+    public async Task OnReadyAsync()
+    {
+        if (_client.ShardId != 0)
+            return;
+
+        using var expiryTimer = new PeriodicTimer(TimeSpan.FromHours(12));
+        do
+        {
+            try
+            {
+                await CheckAllWarnExpiresAsync();
+            }
+            catch (Exception ex)
+            {
+                Log.Error(ex, "Unexpected error while checking for warn expiries: {ErrorMessage}", ex.Message);
+            }
+        } while (await expiryTimer.WaitForNextTickAsync());
+    }
+
+    public async Task<WarningPunishment> Warn(
+        IGuild guild,
+        ulong userId,
+        IUser mod,
+        long weight,
+        string reason)
+    {
+        if (weight <= 0)
+            throw new ArgumentOutOfRangeException(nameof(weight));
+
+        var modName = mod.ToString();
+
+        if (string.IsNullOrWhiteSpace(reason))
+            reason = "-";
+
+        var guildId = guild.Id;
+
+        var warn = new Warning
+        {
+            UserId = userId,
+            GuildId = guildId,
+            Forgiven = false,
+            Reason = reason,
+            Moderator = modName,
+            Weight = weight
+        };
+
+        long previousCount;
+        List<WarningPunishment> ps;
+        await using (var uow = _db.GetDbContext())
+        {
+            ps = uow.GuildConfigsForId(guildId, set => set.Include(x => x.WarnPunishments)).WarnPunishments;
+
+            previousCount = uow.Warnings.ForId(guildId, userId)
+                                .Where(w => !w.Forgiven && w.UserId == userId)
+                                .Sum(x => x.Weight);
+
+            uow.Warnings.Add(warn);
+
+            await uow.SaveChangesAsync();
+        }
+
+        _ = OnUserWarned(warn);
+
+        var totalCount = previousCount + weight;
+        
+        var p = ps.Where(x => x.Count > previousCount && x.Count <= totalCount)
+                  .MaxBy(x => x.Count);
+
+        if (p is not null)
+        {
+            var user = await guild.GetUserAsync(userId);
+            if (user is null)
+                return null;
+
+            await ApplyPunishment(guild, user, mod, p.Punishment, p.Time, p.RoleId, "Warned too many times.");
+            return p;
+        }
+
+        return null;
+    }
+
+    public async Task ApplyPunishment(
+        IGuild guild,
+        IGuildUser user,
+        IUser mod,
+        PunishmentAction p,
+        int minutes,
+        ulong? roleId,
+        string reason)
+    {
+        if (!await CheckPermission(guild, p))
+            return;
+
+        int banPrune;
+        switch (p)
+        {
+            case PunishmentAction.Mute:
+                if (minutes == 0)
+                    await _mute.MuteUser(user, mod, reason: reason);
+                else
+                    await _mute.TimedMute(user, mod, TimeSpan.FromMinutes(minutes), reason: reason);
+                break;
+            case PunishmentAction.VoiceMute:
+                if (minutes == 0)
+                    await _mute.MuteUser(user, mod, MuteType.Voice, reason);
+                else
+                    await _mute.TimedMute(user, mod, TimeSpan.FromMinutes(minutes), MuteType.Voice, reason);
+                break;
+            case PunishmentAction.ChatMute:
+                if (minutes == 0)
+                    await _mute.MuteUser(user, mod, MuteType.Chat, reason);
+                else
+                    await _mute.TimedMute(user, mod, TimeSpan.FromMinutes(minutes), MuteType.Chat, reason);
+                break;
+            case PunishmentAction.Kick:
+                await user.KickAsync(reason);
+                break;
+            case PunishmentAction.Ban:
+                banPrune = await GetBanPruneAsync(user.GuildId) ?? 7;
+                if (minutes == 0)
+                    await guild.AddBanAsync(user, reason: reason, pruneDays: banPrune);
+                else
+                    await _mute.TimedBan(user.Guild, user.Id, TimeSpan.FromMinutes(minutes), reason, banPrune);
+                break;
+            case PunishmentAction.Softban:
+                banPrune = await GetBanPruneAsync(user.GuildId) ?? 7;
+                await guild.AddBanAsync(user, banPrune, $"Softban | {reason}");
+                try
+                {
+                    await guild.RemoveBanAsync(user);
+                }
+                catch
+                {
+                    await guild.RemoveBanAsync(user);
+                }
+
+                break;
+            case PunishmentAction.RemoveRoles:
+                await user.RemoveRolesAsync(user.GetRoles().Where(x => !x.IsManaged && x != x.Guild.EveryoneRole));
+                break;
+            case PunishmentAction.AddRole:
+                if (roleId is null)
+                    return;
+                var role = guild.GetRole(roleId.Value);
+                if (role is not null)
+                {
+                    if (minutes == 0)
+                        await user.AddRoleAsync(role);
+                    else
+                        await _mute.TimedRole(user, TimeSpan.FromMinutes(minutes), reason, role);
+                }
+                else
+                {
+                    Log.Warning("Can't find role {RoleId} on server {GuildId} to apply punishment",
+                        roleId.Value,
+                        guild.Id);
+                }
+
+                break;
+            case PunishmentAction.Warn:
+                await Warn(guild, user.Id, mod, 1, reason);
+                break;
+            case PunishmentAction.TimeOut:
+                await user.SetTimeOutAsync(TimeSpan.FromMinutes(minutes));
+                break;
+        }
+    }
+
+    /// <summary>
+    ///     Used to prevent the bot from hitting 403's when it needs to
+    ///     apply punishments with insufficient permissions
+    /// </summary>
+    /// <param name="guild">Guild the punishment is applied in</param>
+    /// <param name="punish">Punishment to apply</param>
+    /// <returns>Whether the bot has sufficient permissions</returns>
+    private async Task<bool> CheckPermission(IGuild guild, PunishmentAction punish)
+    {
+        var botUser = await guild.GetCurrentUserAsync();
+        switch (punish)
+        {
+            case PunishmentAction.Mute:
+                return botUser.GuildPermissions.MuteMembers && botUser.GuildPermissions.ManageRoles;
+            case PunishmentAction.Kick:
+                return botUser.GuildPermissions.KickMembers;
+            case PunishmentAction.Ban:
+                return botUser.GuildPermissions.BanMembers;
+            case PunishmentAction.Softban:
+                return botUser.GuildPermissions.BanMembers; // ban + unban
+            case PunishmentAction.RemoveRoles:
+                return botUser.GuildPermissions.ManageRoles;
+            case PunishmentAction.ChatMute:
+                return botUser.GuildPermissions.ManageRoles; // adds nadeko-mute role
+            case PunishmentAction.VoiceMute:
+                return botUser.GuildPermissions.MuteMembers;
+            case PunishmentAction.AddRole:
+                return botUser.GuildPermissions.ManageRoles;
+            case PunishmentAction.TimeOut:
+                return botUser.GuildPermissions.ModerateMembers;
+            default:
+                return true;
+        }
+    }
+
+    public async Task CheckAllWarnExpiresAsync()
+    {
+        await using var uow = _db.GetDbContext();
+        var cleared = await uow.Warnings
+                               .Where(x => uow.GuildConfigs
+                                                 .Any(y => y.GuildId == x.GuildId
+                                                           && y.WarnExpireHours > 0
+                                                           && y.WarnExpireAction == WarnExpireAction.Clear)
+                                           && x.Forgiven == false 
+                                           && x.DateAdded
+                                           < DateTime.UtcNow.AddHours(-uow.GuildConfigs
+                                                                          .Where(y => x.GuildId == y.GuildId)
+                                                                          .Select(y => y.WarnExpireHours)
+                                                                          .First()))
+                               .UpdateAsync(_ => new()
+                               {
+                                   Forgiven = true,
+                                   ForgivenBy = "expiry"
+                               });
+
+        var deleted = await uow.Warnings
+                               .Where(x => uow.GuildConfigs
+                                              .Any(y => y.GuildId == x.GuildId
+                                                        && y.WarnExpireHours > 0
+                                                        && y.WarnExpireAction == WarnExpireAction.Delete)
+                                           && x.DateAdded
+                                           < DateTime.UtcNow.AddHours(-uow.GuildConfigs
+                                                                          .Where(y => x.GuildId == y.GuildId)
+                                                                          .Select(y => y.WarnExpireHours)
+                                                                          .First()))
+                               .DeleteAsync();
+
+        if (cleared > 0 || deleted > 0)
+        {
+            Log.Information("Cleared {ClearedWarnings} warnings and deleted {DeletedWarnings} warnings due to expiry",
+                cleared,
+                deleted);
+        }
+
+        await uow.SaveChangesAsync();
+    }
+
+    public async Task CheckWarnExpiresAsync(ulong guildId)
+    {
+        await using var uow = _db.GetDbContext();
+        var config = uow.GuildConfigsForId(guildId, inc => inc);
+
+        if (config.WarnExpireHours == 0)
+            return;
+
+        if (config.WarnExpireAction == WarnExpireAction.Clear)
+        {
+            await uow.Warnings
+                     .Where(x => x.GuildId == guildId
+                                 && x.Forgiven == false
+                                 && x.DateAdded < DateTime.UtcNow.AddHours(-config.WarnExpireHours))
+                     .UpdateAsync(_ => new()
+                     {
+                         Forgiven = true,
+                         ForgivenBy = "expiry"
+                     });
+        }
+        else if (config.WarnExpireAction == WarnExpireAction.Delete)
+        {
+            await uow.Warnings
+                     .Where(x => x.GuildId == guildId
+                                 && x.DateAdded < DateTime.UtcNow.AddHours(-config.WarnExpireHours))
+                     .DeleteAsync();
+        }
+
+        await uow.SaveChangesAsync();
+    }
+
+    public Task<int> GetWarnExpire(ulong guildId)
+    {
+        using var uow = _db.GetDbContext();
+        var config = uow.GuildConfigsForId(guildId, set => set);
+        return Task.FromResult(config.WarnExpireHours / 24);
+    }
+
+    public async Task WarnExpireAsync(ulong guildId, int days, bool delete)
+    {
+        await using (var uow = _db.GetDbContext())
+        {
+            var config = uow.GuildConfigsForId(guildId, inc => inc);
+
+            config.WarnExpireHours = days * 24;
+            config.WarnExpireAction = delete ? WarnExpireAction.Delete : WarnExpireAction.Clear;
+            await uow.SaveChangesAsync();
+
+            // no need to check for warn expires
+            if (config.WarnExpireHours == 0)
+                return;
+        }
+
+        await CheckWarnExpiresAsync(guildId);
+    }
+
+    public IGrouping<ulong, Warning>[] WarnlogAll(ulong gid)
+    {
+        using var uow = _db.GetDbContext();
+        return uow.Warnings.GetForGuild(gid).GroupBy(x => x.UserId).ToArray();
+    }
+
+    public Warning[] UserWarnings(ulong gid, ulong userId)
+    {
+        using var uow = _db.GetDbContext();
+        return uow.Warnings.ForId(gid, userId);
+    }
+
+    public async Task<bool> WarnClearAsync(
+        ulong guildId,
+        ulong userId,
+        int index,
+        string moderator)
+    {
+        var toReturn = true;
+        await using var uow = _db.GetDbContext();
+        if (index == 0)
+            await uow.Warnings.ForgiveAll(guildId, userId, moderator);
+        else
+            toReturn = uow.Warnings.Forgive(guildId, userId, moderator, index - 1);
+        await uow.SaveChangesAsync();
+        return toReturn;
+    }
+
+    public bool WarnPunish(
+        ulong guildId,
+        int number,
+        PunishmentAction punish,
+        StoopidTime time,
+        IRole role = null)
+    {
+        // these 3 don't make sense with time
+        if (punish is PunishmentAction.Softban or PunishmentAction.Kick or PunishmentAction.RemoveRoles
+            && time is not null)
+            return false;
+        if (number <= 0 || (time is not null && time.Time > TimeSpan.FromDays(49)))
+            return false;
+
+        if (punish is PunishmentAction.AddRole && role is null)
+            return false;
+
+        if (punish is PunishmentAction.TimeOut && time is null)
+            return false;
+
+        using var uow = _db.GetDbContext();
+        var ps = uow.GuildConfigsForId(guildId, set => set.Include(x => x.WarnPunishments)).WarnPunishments;
+        var toDelete = ps.Where(x => x.Count == number);
+
+        uow.RemoveRange(toDelete);
+
+        ps.Add(new()
+        {
+            Count = number,
+            Punishment = punish,
+            Time = (int?)time?.Time.TotalMinutes ?? 0,
+            RoleId = punish == PunishmentAction.AddRole ? role!.Id : default(ulong?)
+        });
+        uow.SaveChanges();
+        return true;
+    }
+
+    public bool WarnPunishRemove(ulong guildId, int number)
+    {
+        if (number <= 0)
+            return false;
+
+        using var uow = _db.GetDbContext();
+        var ps = uow.GuildConfigsForId(guildId, set => set.Include(x => x.WarnPunishments)).WarnPunishments;
+        var p = ps.FirstOrDefault(x => x.Count == number);
+
+        if (p is not null)
+        {
+            uow.Remove(p);
+            uow.SaveChanges();
+        }
+
+        return true;
+    }
+
+    public WarningPunishment[] WarnPunishList(ulong guildId)
+    {
+        using var uow = _db.GetDbContext();
+        return uow.GuildConfigsForId(guildId, gc => gc.Include(x => x.WarnPunishments))
+                  .WarnPunishments.OrderBy(x => x.Count)
+                  .ToArray();
+    }
+
+    public (IReadOnlyCollection<(string Original, ulong? Id, string Reason)> Bans, int Missing) MassKill(
+        SocketGuild guild,
+        string people)
+    {
+        var gusers = guild.Users;
+        //get user objects and reasons
+        var bans = people.Split("\n")
+                         .Select(x =>
+                         {
+                             var split = x.Trim().Split(" ");
+
+                             var reason = string.Join(" ", split.Skip(1));
+
+                             if (ulong.TryParse(split[0], out var id))
+                                 return (Original: split[0], Id: id, Reason: reason);
+
+                             return (Original: split[0],
+                                 gusers.FirstOrDefault(u => u.ToString().ToLowerInvariant() == x)?.Id,
+                                 Reason: reason);
+                         })
+                         .ToArray();
+
+        //if user is null, means that person couldn't be found
+        var missing = bans.Count(x => !x.Id.HasValue);
+
+        //get only data for found users
+        var found = bans.Where(x => x.Id.HasValue).Select(x => x.Id.Value).ToList();
+
+        _blacklistService.BlacklistUsers(found);
+
+        return (bans, missing);
+    }
+
+    public string GetBanTemplate(ulong guildId)
+    {
+        using var uow = _db.GetDbContext();
+        var template = uow.BanTemplates.AsQueryable().FirstOrDefault(x => x.GuildId == guildId);
+        return template?.Text;
+    }
+
+    public void SetBanTemplate(ulong guildId, string text)
+    {
+        using var uow = _db.GetDbContext();
+        var template = uow.BanTemplates.AsQueryable().FirstOrDefault(x => x.GuildId == guildId);
+
+        if (text is null)
+        {
+            if (template is null)
+                return;
+
+            uow.Remove(template);
+        }
+        else if (template is null)
+        {
+            uow.BanTemplates.Add(new()
+            {
+                GuildId = guildId,
+                Text = text
+            });
+        }
+        else
+            template.Text = text;
+
+        uow.SaveChanges();
+    }
+
+    public async Task SetBanPruneAsync(ulong guildId, int? pruneDays)
+    {
+        await using var ctx = _db.GetDbContext();
+        await ctx.BanTemplates
+            .ToLinqToDBTable()
+            .InsertOrUpdateAsync(() => new()
+                {
+                    GuildId = guildId,
+                    Text = null,
+                    DateAdded = DateTime.UtcNow,
+                    PruneDays = pruneDays
+                },
+                old => new()
+                {
+                    PruneDays = pruneDays
+                },
+                () => new()
+                {
+                    GuildId = guildId
+                });
+    }
+
+    public async Task<int?> GetBanPruneAsync(ulong guildId)
+    {
+        await using var ctx = _db.GetDbContext();
+        return await ctx.BanTemplates
+            .Where(x => x.GuildId == guildId)
+            .Select(x => x.PruneDays)
+            .FirstOrDefaultAsyncLinqToDB();
+    }
+
+    public SmartText GetBanUserDmEmbed(
+        ICommandContext context,
+        IGuildUser target,
+        string defaultMessage,
+        string banReason,
+        TimeSpan? duration)
+        => GetBanUserDmEmbed((DiscordSocketClient)context.Client,
+            (SocketGuild)context.Guild,
+            (IGuildUser)context.User,
+            target,
+            defaultMessage,
+            banReason,
+            duration);
+
+    public SmartText GetBanUserDmEmbed(
+        DiscordSocketClient client,
+        SocketGuild guild,
+        IGuildUser moderator,
+        IGuildUser target,
+        string defaultMessage,
+        string banReason,
+        TimeSpan? duration)
+    {
+        var template = GetBanTemplate(guild.Id);
+
+        banReason = string.IsNullOrWhiteSpace(banReason) ? "-" : banReason;
+
+        var replacer = new ReplacementBuilder().WithServer(client, guild)
+                                               .WithOverride("%ban.mod%", () => moderator.ToString())
+                                               .WithOverride("%ban.mod.fullname%", () => moderator.ToString())
+                                               .WithOverride("%ban.mod.name%", () => moderator.Username)
+                                               .WithOverride("%ban.mod.discrim%", () => moderator.Discriminator)
+                                               .WithOverride("%ban.user%", () => target.ToString())
+                                               .WithOverride("%ban.user.fullname%", () => target.ToString())
+                                               .WithOverride("%ban.user.name%", () => target.Username)
+                                               .WithOverride("%ban.user.discrim%", () => target.Discriminator)
+                                               .WithOverride("%reason%", () => banReason)
+                                               .WithOverride("%ban.reason%", () => banReason)
+                                               .WithOverride("%ban.duration%",
+                                                   () => duration?.ToString(@"d\.hh\:mm") ?? "perma")
+                                               .Build();
+
+        // if template isn't set, use the old message style
+        if (string.IsNullOrWhiteSpace(template))
+        {
+            template = JsonConvert.SerializeObject(new
+            {
+                color = _bcs.Data.Color.Error.PackedValue >> 8,
+                description = defaultMessage
+            });
+        }
+        // if template is set to "-" do not dm the user
+        else if (template == "-")
+            return default;
+        // if template is an embed, send that embed with replacements
+        // otherwise, treat template as a regular string with replacements
+        else if (SmartText.CreateFrom(template) is not { IsEmbed: true } or { IsEmbedArray: true })
+        {
+            template = JsonConvert.SerializeObject(new
+            {
+                color = _bcs.Data.Color.Error.PackedValue >> 8,
+                description = template
+            });
+        }
+
+        var output = SmartText.CreateFrom(template);
+        return replacer.Replace(output);
+    }
+}

src/Nadeko.Bot.Modules.Administration/VcRole/VcRoleCommands.cs

@@ -0,0 +1,77 @@
+#nullable disable
+using NadekoBot.Modules.Administration.Services;
+
+namespace NadekoBot.Modules.Administration;
+
+public partial class Administration
+{
+    [Group]
+    public partial class VcRoleCommands : NadekoModule<VcRoleService>
+    {
+        [Cmd]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        [RequireContext(ContextType.Guild)]
+        public async Task VcRoleRm(ulong vcId)
+        {
+            if (_service.RemoveVcRole(ctx.Guild.Id, vcId))
+                await ReplyConfirmLocalizedAsync(strs.vcrole_removed(Format.Bold(vcId.ToString())));
+            else
+                await ReplyErrorLocalizedAsync(strs.vcrole_not_found);
+        }
+
+        [Cmd]
+        [UserPerm(GuildPerm.ManageRoles)]
+        [BotPerm(GuildPerm.ManageRoles)]
+        [RequireContext(ContextType.Guild)]
+        public async Task VcRole([Leftover] IRole role = null)
+        {
+            var user = (IGuildUser)ctx.User;
+
+            var vc = user.VoiceChannel;
+
+            if (vc is null || vc.GuildId != user.GuildId)
+            {
+                await ReplyErrorLocalizedAsync(strs.must_be_in_voice);
+                return;
+            }
+
+            if (role is null)
+            {
+                if (_service.RemoveVcRole(ctx.Guild.Id, vc.Id))
+                    await ReplyConfirmLocalizedAsync(strs.vcrole_removed(Format.Bold(vc.Name)));
+            }
+            else
+            {
+                _service.AddVcRole(ctx.Guild.Id, role, vc.Id);
+                await ReplyConfirmLocalizedAsync(strs.vcrole_added(Format.Bold(vc.Name), Format.Bold(role.Name)));
+            }
+        }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        public async Task VcRoleList()
+        {
+            var guild = (SocketGuild)ctx.Guild;
+            string text;
+            if (_service.VcRoles.TryGetValue(ctx.Guild.Id, out var roles))
+            {
+                if (!roles.Any())
+                    text = GetText(strs.no_vcroles);
+                else
+                {
+                    text = string.Join("\n",
+                        roles.Select(x
+                            => $"{Format.Bold(guild.GetVoiceChannel(x.Key)?.Name ?? x.Key.ToString())} => {x.Value}"));
+                }
+            }
+            else
+                text = GetText(strs.no_vcroles);
+
+            await ctx.Channel.EmbedAsync(_eb.Create()
+                                            .WithOkColor()
+                                            .WithTitle(GetText(strs.vc_role_list))
+                                            .WithDescription(text));
+        }
+    }
+}

src/Nadeko.Bot.Modules.Administration/VcRole/VcRoleService.cs

@@ -0,0 +1,210 @@
+#nullable disable
+using Microsoft.EntityFrameworkCore;
+using Nadeko.Common;
+using NadekoBot.Db;
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Modules.Administration.Services;
+
+public class VcRoleService : INService
+{
+    public ConcurrentDictionary<ulong, ConcurrentDictionary<ulong, IRole>> VcRoles { get; }
+    public ConcurrentDictionary<ulong, System.Collections.Concurrent.ConcurrentQueue<(bool, IGuildUser, IRole)>> ToAssign { get; }
+    private readonly DbService _db;
+    private readonly DiscordSocketClient _client;
+
+    public VcRoleService(DiscordSocketClient client, IBot bot, DbService db)
+    {
+        _db = db;
+        _client = client;
+
+        _client.UserVoiceStateUpdated += ClientOnUserVoiceStateUpdated;
+        VcRoles = new();
+        ToAssign = new();
+
+        using (var uow = db.GetDbContext())
+        {
+            var guildIds = client.Guilds.Select(x => x.Id).ToList();
+            uow.Set<GuildConfig>()
+               .AsQueryable()
+               .Include(x => x.VcRoleInfos)
+               .Where(x => guildIds.Contains(x.GuildId))
+               .AsEnumerable()
+               .Select(InitializeVcRole)
+               .WhenAll();
+        }
+
+        Task.Run(async () =>
+        {
+            while (true)
+            {
+                Task Selector(System.Collections.Concurrent.ConcurrentQueue<(bool, IGuildUser, IRole)> queue)
+                {
+                    return Task.Run(async () =>
+                    {
+                        while (queue.TryDequeue(out var item))
+                        {
+                            var (add, user, role) = item;
+
+                            try
+                            {
+                                if (add)
+                                {
+                                    if (!user.RoleIds.Contains(role.Id))
+                                        await user.AddRoleAsync(role);
+                                }
+                                else
+                                {
+                                    if (user.RoleIds.Contains(role.Id))
+                                        await user.RemoveRoleAsync(role);
+                                }
+                            }
+                            catch
+                            {
+                            }
+
+                            await Task.Delay(250);
+                        }
+                    });
+                }
+
+                await ToAssign.Values.Select(Selector).Append(Task.Delay(1000)).WhenAll();
+            }
+        });
+
+        _client.LeftGuild += _client_LeftGuild;
+        bot.JoinedGuild += Bot_JoinedGuild;
+    }
+
+    private Task Bot_JoinedGuild(GuildConfig arg)
+    {
+        // includeall no longer loads vcrole
+        // need to load new guildconfig with vc role included 
+        using (var uow = _db.GetDbContext())
+        {
+            var configWithVcRole = uow.GuildConfigsForId(arg.GuildId, set => set.Include(x => x.VcRoleInfos));
+            _ = InitializeVcRole(configWithVcRole);
+        }
+
+        return Task.CompletedTask;
+    }
+
+    private Task _client_LeftGuild(SocketGuild arg)
+    {
+        VcRoles.TryRemove(arg.Id, out _);
+        ToAssign.TryRemove(arg.Id, out _);
+        return Task.CompletedTask;
+    }
+
+    private async Task InitializeVcRole(GuildConfig gconf)
+    {
+        var g = _client.GetGuild(gconf.GuildId);
+        if (g is null)
+            return;
+
+        var infos = new ConcurrentDictionary<ulong, IRole>();
+        var missingRoles = new List<VcRoleInfo>();
+        VcRoles.AddOrUpdate(gconf.GuildId, infos, delegate { return infos; });
+        foreach (var ri in gconf.VcRoleInfos)
+        {
+            var role = g.GetRole(ri.RoleId);
+            if (role is null)
+            {
+                missingRoles.Add(ri);
+                continue;
+            }
+
+            infos.TryAdd(ri.VoiceChannelId, role);
+        }
+
+        if (missingRoles.Any())
+        {
+            await using var uow = _db.GetDbContext();
+            uow.RemoveRange(missingRoles);
+            await uow.SaveChangesAsync();
+            
+            Log.Warning("Removed {MissingRoleCount} missing roles from {ServiceName}",
+                missingRoles.Count,
+                nameof(VcRoleService));
+        }
+    }
+
+    public void AddVcRole(ulong guildId, IRole role, ulong vcId)
+    {
+        if (role is null)
+            throw new ArgumentNullException(nameof(role));
+
+        var guildVcRoles = VcRoles.GetOrAdd(guildId, new ConcurrentDictionary<ulong, IRole>());
+
+        guildVcRoles.AddOrUpdate(vcId, role, (_, _) => role);
+        using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set.Include(x => x.VcRoleInfos));
+        var toDelete = conf.VcRoleInfos.FirstOrDefault(x => x.VoiceChannelId == vcId); // remove old one
+        if (toDelete is not null)
+            uow.Remove(toDelete);
+        conf.VcRoleInfos.Add(new()
+        {
+            VoiceChannelId = vcId,
+            RoleId = role.Id
+        }); // add new one
+        uow.SaveChanges();
+    }
+
+    public bool RemoveVcRole(ulong guildId, ulong vcId)
+    {
+        if (!VcRoles.TryGetValue(guildId, out var guildVcRoles))
+            return false;
+
+        if (!guildVcRoles.TryRemove(vcId, out _))
+            return false;
+
+        using var uow = _db.GetDbContext();
+        var conf = uow.GuildConfigsForId(guildId, set => set.Include(x => x.VcRoleInfos));
+        var toRemove = conf.VcRoleInfos.Where(x => x.VoiceChannelId == vcId).ToList();
+        uow.RemoveRange(toRemove);
+        uow.SaveChanges();
+
+        return true;
+    }
+
+    private Task ClientOnUserVoiceStateUpdated(SocketUser usr, SocketVoiceState oldState, SocketVoiceState newState)
+    {
+        if (usr is not SocketGuildUser gusr)
+            return Task.CompletedTask;
+
+        var oldVc = oldState.VoiceChannel;
+        var newVc = newState.VoiceChannel;
+        _ = Task.Run(() =>
+        {
+            try
+            {
+                if (oldVc != newVc)
+                {
+                    ulong guildId;
+                    guildId = newVc?.Guild.Id ?? oldVc.Guild.Id;
+
+                    if (VcRoles.TryGetValue(guildId, out var guildVcRoles))
+                    {
+                        //remove old
+                        if (oldVc is not null && guildVcRoles.TryGetValue(oldVc.Id, out var role))
+                            Assign(false, gusr, role);
+                        //add new
+                        if (newVc is not null && guildVcRoles.TryGetValue(newVc.Id, out role))
+                            Assign(true, gusr, role);
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                Log.Warning(ex, "Error in VcRoleService VoiceStateUpdate");
+            }
+        });
+        return Task.CompletedTask;
+    }
+
+    private void Assign(bool v, SocketGuildUser gusr, IRole role)
+    {
+        var queue = ToAssign.GetOrAdd(gusr.Guild.Id, new System.Collections.Concurrent.ConcurrentQueue<(bool, IGuildUser, IRole)>());
+        queue.Enqueue((v, gusr, role));
+    }
+}