5.1

src/NadekoBot/Modules/Administration/DangerousCommands/CleanupService.cs

@@ -61,17 +61,66 @@ public sealed class CleanupService : ICleanupService, IReadyExecutor, INService
             }));
         }
 
+        // delete guild configs
         await ctx.GetTable<GuildConfig>()
                  .Where(x => !tempTable.Select(x => x.GuildId)
                                        .Contains(x.GuildId))
                  .DeleteAsync();
-
-
+        
+        // delete guild xp
         await ctx.GetTable<UserXpStats>()
                  .Where(x => !tempTable.Select(x => x.GuildId)
                                        .Contains(x.GuildId))
                  .DeleteAsync();
-
+        
+        // delete expressions
+        await ctx.GetTable<NadekoExpression>()
+                 .Where(x => x.GuildId != null && !tempTable.Select(x => x.GuildId)
+                                       .Contains(x.GuildId.Value))
+                 .DeleteAsync();
+        
+        // delete quotes
+        await ctx.GetTable<Quote>()
+                 .Where(x => !tempTable.Select(x => x.GuildId)
+                                       .Contains(x.GuildId))
+                 .DeleteAsync();
+        
+        // delete planted currencies
+        await ctx.GetTable<PlantedCurrency>()
+                 .Where(x => !tempTable.Select(x => x.GuildId)
+                                       .Contains(x.GuildId))
+                 .DeleteAsync();
+        
+        // delete image only channels
+        await ctx.GetTable<ImageOnlyChannel>()
+                 .Where(x => !tempTable.Select(x => x.GuildId)
+                                       .Contains(x.GuildId))
+                 .DeleteAsync();
+        
+        // delete reaction roles
+        await ctx.GetTable<ReactionRoleV2>()
+                 .Where(x => !tempTable.Select(x => x.GuildId)
+                                       .Contains(x.GuildId))
+                 .DeleteAsync();
+        
+        // delete ignored users
+        await ctx.GetTable<DiscordPermOverride>()
+                 .Where(x => x.GuildId != null && !tempTable.Select(x => x.GuildId)
+                                       .Contains(x.GuildId.Value))
+                 .DeleteAsync();
+        
+        // delete perm overrides
+        await ctx.GetTable<DiscordPermOverride>()
+                 .Where(x => x.GuildId != null && !tempTable.Select(x => x.GuildId)
+                                       .Contains(x.GuildId.Value))
+                 .DeleteAsync();
+        
+        // delete repeaters
+        await ctx.GetTable<Repeater>()
+                 .Where(x => !tempTable.Select(x => x.GuildId)
+                                       .Contains(x.GuildId))
+                 .DeleteAsync();
+        
         return new()
         {
             GuildCount = guildIds.Keys.Count,

src/NadekoBot/Modules/Administration/Prune/PruneCommands.cs

@@ -45,23 +45,43 @@ public partial class Administration
             var progressMsg = await Response().Pending(strs.prune_progress(0, 100)).SendAsync();
             var progress = GetProgressTracker(progressMsg);
 
+            PruneResult result;
             if (opts.Safe)
-                await _service.PruneWhere((ITextChannel)ctx.Channel,
+                result = await _service.PruneWhere((ITextChannel)ctx.Channel,
                     100,
                     x => x.Author.Id == user.Id && !x.IsPinned,
                     progress,
                     opts.After);
             else
-                await _service.PruneWhere((ITextChannel)ctx.Channel,
+                result = await _service.PruneWhere((ITextChannel)ctx.Channel,
                     100,
                     x => x.Author.Id == user.Id,
                     progress,
                     opts.After);
 
             ctx.Message.DeleteAfter(3);
+
+            await SendResult(result);
             await progressMsg.DeleteAsync();
         }
 
+        private async Task SendResult(PruneResult result)
+        {
+            switch (result)
+            {
+                case PruneResult.Success:
+                    break;
+                case PruneResult.AlreadyRunning:
+                    break;
+                case PruneResult.FeatureLimit:
+                    await Response().Pending(strs.feature_limit_reached_owner).SendAsync();
+                    break;
+
+                default:
+                    throw new ArgumentOutOfRangeException(nameof(result), result, null);
+            }
+        }
+
         // prune x
         [Cmd]
         [RequireContext(ContextType.Guild)]
@@ -83,19 +103,21 @@ public partial class Administration
             var progressMsg = await Response().Pending(strs.prune_progress(0, count)).SendAsync();
             var progress = GetProgressTracker(progressMsg);
 
+            PruneResult result;
             if (opts.Safe)
-                await _service.PruneWhere((ITextChannel)ctx.Channel,
+                result = await _service.PruneWhere((ITextChannel)ctx.Channel,
                     count,
                     x => !x.IsPinned && x.Id != progressMsg.Id,
                     progress,
                     opts.After);
             else
-                await _service.PruneWhere((ITextChannel)ctx.Channel,
+                result = await _service.PruneWhere((ITextChannel)ctx.Channel,
                     count,
                     x => x.Id != progressMsg.Id,
                     progress,
                     opts.After);
 
+            await SendResult(result);
             await progressMsg.DeleteAsync();
         }
 
@@ -155,9 +177,10 @@ public partial class Administration
             var progressMsg = await Response().Pending(strs.prune_progress(0, count)).SendAsync();
             var progress = GetProgressTracker(progressMsg);
 
+            PruneResult result;
             if (opts.Safe)
             {
-                await _service.PruneWhere((ITextChannel)ctx.Channel,
+                result = await _service.PruneWhere((ITextChannel)ctx.Channel,
                     count,
                     m => m.Author.Id == userId && DateTime.UtcNow - m.CreatedAt < _twoWeeks && !m.IsPinned,
                     progress,
@@ -166,7 +189,7 @@ public partial class Administration
             }
             else
             {
-                await _service.PruneWhere((ITextChannel)ctx.Channel,
+                result = await _service.PruneWhere((ITextChannel)ctx.Channel,
                     count,
                     m => m.Author.Id == userId && DateTime.UtcNow - m.CreatedAt < _twoWeeks,
                     progress,
@@ -174,6 +197,7 @@ public partial class Administration
                 );
             }
 
+            await SendResult(result);
             await progressMsg.DeleteAsync();
         }
 

src/NadekoBot/Modules/Administration/Prune/PruneResult.cs

@@ -0,0 +1,9 @@
+#nullable disable
+namespace NadekoBot.Modules.Administration.Services;
+
+public enum PruneResult
+{
+    Success,
+    AlreadyRunning,
+    FeatureLimit,
+}

src/NadekoBot/Modules/Administration/Prune/PruneService.cs

@@ -1,4 +1,6 @@
 #nullable disable
+using NadekoBot.Modules.Patronage;
+
 namespace NadekoBot.Modules.Administration.Services;
 
 public class PruneService : INService
@@ -7,11 +9,15 @@ public class PruneService : INService
     private readonly ConcurrentDictionary<ulong, CancellationTokenSource> _pruningGuilds = new();
     private readonly TimeSpan _twoWeeks = TimeSpan.FromDays(14);
     private readonly ILogCommandService _logService;
+    private readonly IPatronageService _ps;
 
-    public PruneService(ILogCommandService logService)
-        => _logService = logService;
+    public PruneService(ILogCommandService logService, IPatronageService ps)
+    {
+        _logService = logService;
+        _ps = ps;
+    }
 
-    public async Task PruneWhere(
+    public async Task<PruneResult> PruneWhere(
         ITextChannel channel,
         int amount,
         Func<IMessage, bool> predicate,
@@ -26,8 +32,13 @@ public class PruneService : INService
 
         using var cancelSource = new CancellationTokenSource();
         if (!_pruningGuilds.TryAdd(channel.GuildId, cancelSource))
-            return;
+            return PruneResult.AlreadyRunning;
 
+        if (!await _ps.LimitHitAsync(LimitedFeatureName.Prune, channel.Guild.OwnerId))
+        {
+            return PruneResult.FeatureLimit;
+        }
+        
         try
         {
             var now = DateTime.UtcNow;
@@ -47,7 +58,7 @@ public class PruneService : INService
                        .ToArray();
 
                 if (!msgs.Any())
-                    return;
+                    return PruneResult.Success;
 
                 lastMessage = msgs[^1];
 
@@ -88,6 +99,8 @@ public class PruneService : INService
         {
             _pruningGuilds.TryRemove(channel.GuildId, out _);
         }
+
+        return PruneResult.Success;
     }
 
     public async Task<bool> CancelAsync(ulong guildId)

src/NadekoBot/Modules/Administration/Role/IReactionRoleService.cs

@@ -18,7 +18,7 @@ public interface IReactionRoleService
     /// <param name="group"></param>
     /// <param name="levelReq"></param>
     /// <returns>The result of the operation</returns>
-    Task<OneOf<Success, FeatureLimit>> AddReactionRole(
+    Task<OneOf<Success, Error>> AddReactionRole(
         IGuild guild,
         IMessage msg,
         string emote,

src/NadekoBot/Modules/Administration/Role/ReactionRoleCommands.cs

@@ -55,12 +55,10 @@ public partial class Administration
 
             await res.Match(
                 _ => ctx.OkAsync(),
-                fl =>
+                async fl =>
                 {
                     _ = msg.RemoveReactionAsync(emote, ctx.Client.CurrentUser);
-                    return !fl.IsPatronLimit
-                        ? Response().Error(strs.limit_reached(fl.Quota)).SendAsync()
-                        : Response().Pending(strs.feature_limit_reached_owner(fl.Quota, fl.Name)).SendAsync();
+                    await Response().Pending(strs.feature_limit_reached_owner).SendAsync();
                 });
         }
 

src/NadekoBot/Modules/Administration/Role/ReactionRolesService.cs

@@ -21,22 +21,16 @@ public sealed class ReactionRolesService : IReadyExecutor, INService, IReactionR
     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,
+        IPatronageService ps,
         DbService db,
-        IBotCredentials creds,
-        IPatronageService ps)
+        IBotCredentials creds)
     {
         _db = db;
-        _ps = ps;
         _client = client;
         _creds = creds;
+        _ps = ps;
         _cache = new();
     }
 
@@ -242,7 +236,7 @@ public sealed class ReactionRolesService : IReadyExecutor, INService, IReactionR
     /// <param name="group"></param>
     /// <param name="levelReq"></param>
     /// <returns>The result of the operation</returns>
-    public async Task<OneOf<Success, FeatureLimit>> AddReactionRole(
+    public async Task<OneOf<Success, Error>> AddReactionRole(
         IGuild guild,
         IMessage msg,
         string emote,
@@ -260,10 +254,13 @@ public sealed class ReactionRolesService : IReadyExecutor, INService, IReactionR
         var activeReactionRoles = await ctx.GetTable<ReactionRoleV2>()
                                            .Where(x => x.GuildId == guild.Id)
                                            .CountAsync();
+
+        var limit = await _ps.GetUserLimit(LimitedFeatureName.ReactionRole, guild.OwnerId);
         
-        var result = await _ps.TryGetFeatureLimitAsync(_reroFLKey, guild.OwnerId, 50);
-        if (result.Quota != -1 && activeReactionRoles >= result.Quota)
-            return result;
+        if (!_creds.IsOwner(guild.OwnerId) && (activeReactionRoles >= limit.Quota && limit.Quota >= 0))
+        {
+            return new Error();
+        }
 
         await ctx.GetTable<ReactionRoleV2>()
                  .InsertOrUpdateAsync(() => new()

src/NadekoBot/Modules/Gambling/BlackJack/BlackJackCommands.cs

@@ -3,6 +3,7 @@ using NadekoBot.Common.TypeReaders;
 using NadekoBot.Modules.Gambling.Common;
 using NadekoBot.Modules.Gambling.Common.Blackjack;
 using NadekoBot.Modules.Gambling.Services;
+using NadekoBot.Modules.Utility;
 
 namespace NadekoBot.Modules.Gambling;
 

src/NadekoBot/Modules/Gambling/Gambling.cs

@@ -14,6 +14,7 @@ using System.Text;
 using NadekoBot.Modules.Gambling.Rps;
 using NadekoBot.Common.TypeReaders;
 using NadekoBot.Modules.Patronage;
+using NadekoBot.Modules.Utility;
 
 namespace NadekoBot.Modules.Gambling;
 
@@ -27,9 +28,9 @@ public partial class Gambling : GamblingModule<GamblingService>
     private readonly DownloadTracker _tracker;
     private readonly GamblingConfigService _configService;
     private readonly IBankService _bank;
-    private readonly IPatronageService _ps;
     private readonly IRemindService _remind;
     private readonly GamblingTxTracker _gamblingTxTracker;
+    private readonly IPatronageService _ps;
 
     private IUserMessage rdMsg;
 
@@ -41,8 +42,8 @@ public partial class Gambling : GamblingModule<GamblingService>
         DownloadTracker tracker,
         GamblingConfigService configService,
         IBankService bank,
-        IPatronageService ps,
         IRemindService remind,
+        IPatronageService patronage,
         GamblingTxTracker gamblingTxTracker)
         : base(configService)
     {
@@ -51,9 +52,9 @@ public partial class Gambling : GamblingModule<GamblingService>
         _cs = currency;
         _client = client;
         _bank = bank;
-        _ps = ps;
         _remind = remind;
         _gamblingTxTracker = gamblingTxTracker;
+        _ps = patronage;
 
         _enUsCulture = new CultureInfo("en-US", false).NumberFormat;
         _enUsCulture.NumberDecimalDigits = 0;
@@ -133,12 +134,6 @@ public partial class Gambling : GamblingModule<GamblingService>
         await Response().Embed(embed).SendAsync();
     }
 
-    private static readonly FeatureLimitKey _timelyKey = new FeatureLimitKey()
-    {
-        Key = "timely:extra_percent",
-        PrettyName = "Timely"
-    };
-
     private async Task RemindTimelyAction(SocketMessageComponent smc, DateTime when)
     {
         var tt = TimestampTag.FromDateTime(when, TimestampTagStyles.Relative);
@@ -191,9 +186,12 @@ public partial class Gambling : GamblingModule<GamblingService>
             return;
         }
 
-        var result = await _ps.TryGetFeatureLimitAsync(_timelyKey, ctx.User.Id, 0);
 
-        val = (int)(val * (1 + (result.Quota! * 0.01f)));
+        var patron = await _ps.GetPatronAsync(ctx.User.Id);
+
+        var percentBonus = (_ps.PercentBonus(patron) / 100f);
+
+        val += (int)(val * percentBonus);
 
         await _cs.AddAsync(ctx.User.Id, val, new("timely", "claim"));
 
@@ -892,6 +890,7 @@ public partial class Gambling : GamblingModule<GamblingService>
     private static readonly ImmutableArray<string> _emojis =
         new[] { "⬆", "↖", "⬅", "↙", "⬇", "↘", "➡", "↗" }.ToImmutableArray();
 
+
     [Cmd]
     public async Task LuckyLadder([OverrideTypeReader(typeof(BalanceTypeReader))] long amount)
     {

src/NadekoBot/Modules/Gambling/Shop/ShopCommands.cs

@@ -247,7 +247,14 @@ public partial class Gambling
                 }
                 else
                 {
-                    var cmd = entry.Command.Replace("%you%", ctx.User.Id.ToString());
+                    var buyer = (IGuildUser)ctx.User;
+                    var cmd = entry.Command
+                                   .Replace("%you%", buyer.Mention)
+                                   .Replace("%you.mention%", buyer.Mention)
+                                   .Replace("%you.username%", buyer.Username)
+                                   .Replace("%you.name%", buyer.GlobalName ?? buyer.Username)
+                                   .Replace("%you.nick%", buyer.DisplayName);
+                    
                     var eb = _sender.CreateEmbed()
                              .WithPendingColor()
                              .WithTitle("Executing shop command")
@@ -259,6 +266,7 @@ public partial class Gambling
                         GetProfitAmount(entry.Price),
                         new("shop", "sell", entry.Name));
 
+                    await Task.Delay(250);
                     await _cmdHandler.TryRunCommand(guild,
                         channel,
                         new DoAsUserMessage(

src/NadekoBot/Modules/Gambling/Slot/SlotCommands.cs

@@ -9,6 +9,7 @@ using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Processing;
 using NadekoBot.Modules.Gambling;
 using NadekoBot.Common.TypeReaders;
+using NadekoBot.Modules.Utility;
 using Color = SixLabors.ImageSharp.Color;
 using Image = SixLabors.ImageSharp.Image;
 

src/NadekoBot/Modules/Games/ChatterBot/ChatterBotCommands.cs

@@ -18,7 +18,8 @@ public partial class Games
         [Cmd]
         [RequireContext(ContextType.Guild)]
         [UserPerm(GuildPerm.ManageMessages)]
-        public async Task Cleverbot()
+        [NoPublicBot]
+        public async Task CleverBot()
         {
             var channel = (ITextChannel)ctx.Channel;
 
@@ -30,7 +31,7 @@ public partial class Games
                     await uow.SaveChangesAsync();
                 }
 
-                await Response().Confirm(strs.cleverbot_disabled).SendAsync();
+                await Response().Confirm(strs.chatbot_disabled).SendAsync();
                 return;
             }
 
@@ -42,7 +43,7 @@ public partial class Games
                 await uow.SaveChangesAsync();
             }
 
-            await Response().Confirm(strs.cleverbot_enabled).SendAsync();
+            await Response().Confirm(strs.chatbot_enabled).SendAsync();
         }
     }
 }

src/NadekoBot/Modules/Games/ChatterBot/ChatterBotService.cs

@@ -15,43 +15,32 @@ public class ChatterBotService : IExecOnMessage
     public int Priority
         => 1;
 
-    private readonly FeatureLimitKey _flKey;
-
     private readonly DiscordSocketClient _client;
     private readonly IPermissionChecker _perms;
-    private readonly CommandHandler _cmd;
     private readonly IBotCredentials _creds;
     private readonly IHttpClientFactory _httpFactory;
-    private readonly IPatronageService _ps;
     private readonly GamesConfigService _gcs;
     private readonly IMessageSenderService _sender;
+    public readonly IPatronageService _ps;
 
     public ChatterBotService(
         DiscordSocketClient client,
         IPermissionChecker perms,
         IBot bot,
-        CommandHandler cmd,
+        IPatronageService ps,
         IHttpClientFactory factory,
         IBotCredentials creds,
-        IPatronageService ps,
         GamesConfigService gcs,
         IMessageSenderService sender)
     {
         _client = client;
         _perms = perms;
-        _cmd = cmd;
         _creds = creds;
         _sender = sender;
         _httpFactory = factory;
-        _ps = ps;
         _perms = perms;
         _gcs = gcs;
-
-        _flKey = new FeatureLimitKey()
-        {
-            Key = CleverBotResponseStr.CLEVERBOT_RESPONSE,
-            PrettyName = "Cleverbot Replies"
-        };
+        _ps = ps;
 
         ChatterBotGuilds = new(bot.AllGuildConfigs
                                   .Where(gc => gc.CleverbotEnabled)
@@ -69,9 +58,9 @@ public class ChatterBotService : IExecOnMessage
 
                 Log.Information("Cleverbot will not work as the api key is missing");
                 return null;
-            case ChatBotImplementation.Gpt3:
+            case ChatBotImplementation.Gpt:
                 if (!string.IsNullOrWhiteSpace(_creds.Gpt3ApiKey))
-                    return new OfficialGpt3Session(_creds.Gpt3ApiKey,
+                    return new OfficialGptSession(_creds.Gpt3ApiKey,
                         _gcs.Data.ChatGpt.ModelName,
                         _gcs.Data.ChatGpt.ChatHistory,
                         _gcs.Data.ChatGpt.MaxTokens,
@@ -87,19 +76,18 @@ public class ChatterBotService : IExecOnMessage
         }
     }
 
-    public string PrepareMessage(IUserMessage msg, out IChatterBotSession cleverbot)
+    public IChatterBotSession GetOrCreateSession(ulong guildId)
     {
-        var channel = msg.Channel as ITextChannel;
-        cleverbot = null;
+        if (ChatterBotGuilds.TryGetValue(guildId, out var lazyChatBot))
+            return lazyChatBot.Value;
 
-        if (channel is null)
-            return null;
-
-        if (!ChatterBotGuilds.TryGetValue(channel.Guild.Id, out var lazyCleverbot))
-            return null;
-
-        cleverbot = lazyCleverbot.Value;
+        lazyChatBot = new(() => CreateSession(), true);
+        ChatterBotGuilds.TryAdd(guildId, lazyChatBot);
+        return lazyChatBot.Value;
+    }
 
+    public string PrepareMessage(IUserMessage msg)
+    {
         var nadekoId = _client.CurrentUser.Id;
         var normalMention = $"<@{nadekoId}> ";
         var nickMention = $"<@!{nadekoId}> ";
@@ -119,13 +107,31 @@ public class ChatterBotService : IExecOnMessage
         if (guild is not SocketGuild sg)
             return false;
 
+        var channel = usrMsg.Channel as ITextChannel;
+        if (channel is null)
+            return false;
+
+        if (!ChatterBotGuilds.TryGetValue(channel.Guild.Id, out var lazyChatBot))
+            return false;
+
+        var chatBot = lazyChatBot.Value;
+        var message = PrepareMessage(usrMsg);
+        if (message is null)
+            return false;
+
+        return await RunChatterBot(sg, usrMsg, channel, chatBot, message);
+    }
+
+    public async Task<bool> RunChatterBot(
+        SocketGuild guild,
+        IUserMessage usrMsg,
+        ITextChannel channel,
+        IChatterBotSession chatBot,
+        string message)
+    {
         try
         {
-            var message = PrepareMessage(usrMsg, out var cbs);
-            if (message is null || cbs is null)
-                return false;
-
-            var res = await _perms.CheckPermsAsync(sg,
+            var res = await _perms.CheckPermsAsync(guild,
                 usrMsg.Channel,
                 usrMsg.Author,
                 CleverBotResponseStr.CLEVERBOT_RESPONSE,
@@ -134,59 +140,33 @@ public class ChatterBotService : IExecOnMessage
             if (!res.IsAllowed)
                 return false;
 
-            var channel = (ITextChannel)usrMsg.Channel;
-            var conf = _ps.GetConfig();
-            if (!_creds.IsOwner(sg.OwnerId) && conf.IsEnabled)
+            if (!await _ps.LimitHitAsync(LimitedFeatureName.ChatBot, usrMsg.Author.Id, 2048 / 2))
             {
-                var quota = await _ps.TryGetFeatureLimitAsync(_flKey, sg.OwnerId, 0);
-
-                uint? daily = quota.Quota is int dVal and < 0
-                    ? (uint)-dVal
-                    : null;
-
-                uint? monthly = quota.Quota is int mVal and >= 0
-                    ? (uint)mVal
-                    : null;
-
-                var maybeLimit = await _ps.TryIncrementQuotaCounterAsync(sg.OwnerId,
-                    sg.OwnerId == usrMsg.Author.Id,
-                    FeatureType.Limit,
-                    _flKey.Key,
-                    null,
-                    daily,
-                    monthly);
-
-                if (maybeLimit.TryPickT1(out var ql, out var counters))
-                {
-                    if (ql.Quota == 0)
-                    {
-                        await _sender.Response(channel)
-                              .Error(null,
-                                  text:
-                                  "In order to use the cleverbot feature, the owner of this server should be [Patron Tier X](https://patreon.com/join/nadekobot) on patreon.",
-                                  footer:
-                                  "You may disable the cleverbot feature, and this message via '.cleverbot' command")
-                              .SendAsync();
-
-                        return true;
-                    }
-
-                    await _sender.Response(channel)
-                                 .Error(
-                                     null!,
-                                     $"You've reached your quota limit of **{ql.Quota}** responses {ql.QuotaPeriod.ToFullName()} for the cleverbot feature.",
-                                     footer: "You may wait for the quota reset or .")
-                                 .SendAsync();
-
-                    return true;
-                }
+                // limit exceeded
+                return false;
             }
 
             _ = channel.TriggerTypingAsync();
-            var response = await cbs.Think(message, usrMsg.Author.ToString());
-            await _sender.Response(channel)
-                         .Confirm(response)
-                         .SendAsync();
+            var response = await chatBot.Think(message, usrMsg.Author.ToString());
+
+            if (response.TryPickT0(out var result, out var error))
+            {
+                // calculate the diff in case we overestimated user's usage
+                var inTokens = (result.TokensIn - 2048) / 2;
+
+                // add the output tokens to the limit
+                await _ps.LimitForceHit(LimitedFeatureName.ChatBot,
+                    usrMsg.Author.Id,
+                    (inTokens) + (result.TokensOut / 2 * 3));
+
+                await _sender.Response(channel)
+                             .Confirm(result.Text)
+                             .SendAsync();
+            }
+            else
+            {
+                Log.Warning("Error in chatterbot: {Error}", error);
+            }
 
             Log.Information("""
                             CleverBot Executed

src/NadekoBot/Modules/Games/ChatterBot/_common/Gpt3Response.cs

@@ -3,10 +3,25 @@ using System.Text.Json.Serialization;
 
 namespace NadekoBot.Modules.Games.Common.ChatterBot;
 
-public class Gpt3Response
+public class OpenAiCompletionResponse
 {
     [JsonPropertyName("choices")]
     public Choice[] Choices { get; set; }
+    
+    [JsonPropertyName("usage")]
+    public OpenAiUsageData Usage { get; set; }
+}
+
+public class OpenAiUsageData
+{
+    [JsonPropertyName("prompt_tokens")]
+    public int PromptTokens { get; set; }
+    
+    [JsonPropertyName("completion_tokens")]
+    public int CompletionTokens { get; set; }
+    
+    [JsonPropertyName("total_tokens")]
+    public int TotalTokens { get; set; }
 }
 
 public class Choice

src/NadekoBot/Modules/Games/ChatterBot/_common/IChatterBotSession.cs

@@ -1,7 +1,10 @@
 #nullable disable
+using OneOf;
+using OneOf.Types;
+
 namespace NadekoBot.Modules.Games.Common.ChatterBot;
 
 public interface IChatterBotSession
 {
-    Task<string> Think(string input, string username);
+    Task<OneOf<ThinkResult, Error<string>>> Think(string input, string username);
 }

src/NadekoBot/Modules/Games/ChatterBot/_common/OfficialCleverbotSession.cs

@@ -1,5 +1,7 @@
 #nullable disable
 using Newtonsoft.Json;
+using OneOf;
+using OneOf.Types;
 
 namespace NadekoBot.Modules.Games.Common.ChatterBot;
 
@@ -18,7 +20,7 @@ public class OfficialCleverbotSession : IChatterBotSession
         _httpFactory = factory;
     }
 
-    public async Task<string> Think(string input, string username)
+    public async Task<OneOf<ThinkResult, Error<string>>> Think(string input, string username)
     {
         using var http = _httpFactory.CreateClient();
         var dataString = await http.GetStringAsync(string.Format(QueryString, input, cs ?? ""));
@@ -27,12 +29,17 @@ public class OfficialCleverbotSession : IChatterBotSession
             var data = JsonConvert.DeserializeObject<CleverbotResponse>(dataString);
 
             cs = data?.Cs;
-            return data?.Output;
+            return new ThinkResult
+            {
+                Text = data?.Output,
+                TokensIn = 2,
+                TokensOut = 1
+            };
         }
         catch
         {
-            Log.Warning("Unexpected cleverbot response received: {ResponseString}", dataString);
-            return null;
+            Log.Warning("Unexpected response from CleverBot: {ResponseString}", dataString);
+            return new Error<string>("Unexpected CleverBot response received");
         }
     }
 }

src/NadekoBot/Modules/Games/ChatterBot/_common/OfficialGpt3Session.cs

@@ -1,105 +0,0 @@
-#nullable disable
-using Newtonsoft.Json;
-using System.Net.Http.Json;
-using SharpToken;
-
-namespace NadekoBot.Modules.Games.Common.ChatterBot;
-
-public class OfficialGpt3Session : IChatterBotSession
-{
-    private string Uri
-        => $"https://api.openai.com/v1/chat/completions";
-
-    private readonly string _apiKey;
-    private readonly string _model;
-    private readonly int _maxHistory;
-    private readonly int _maxTokens;
-    private readonly int _minTokens;
-    private readonly string _nadekoUsername;
-    private readonly GptEncoding _encoding;
-    private List<GPTMessage> messages =  new();
-    private readonly IHttpClientFactory _httpFactory;
-
-    
-
-    public OfficialGpt3Session(
-        string apiKey,
-        ChatGptModel model,
-        int chatHistory,
-        int maxTokens,
-        int minTokens,
-        string personality,
-        string nadekoUsername,
-        IHttpClientFactory factory)
-    {
-        _apiKey = apiKey;
-        _httpFactory = factory;
-        switch (model)
-        {
-            case ChatGptModel.Gpt35Turbo:
-                _model = "gpt-3.5-turbo";
-                break;
-            case ChatGptModel.Gpt4:
-                _model = "gpt-4";
-                break;
-            case ChatGptModel.Gpt432k:
-                _model = "gpt-4-32k";
-                break;
-        }
-        _maxHistory = chatHistory;
-        _maxTokens = maxTokens;
-        _minTokens = minTokens;
-        _nadekoUsername = nadekoUsername;
-        _encoding = GptEncoding.GetEncodingForModel(_model);
-        messages.Add(new GPTMessage(){Role = "user", Content = personality, Name = _nadekoUsername});
-    }
-
-    public async Task<string> Think(string input, string username)
-    {
-        messages.Add(new GPTMessage(){Role = "user", Content = input, Name = username});
-        while(messages.Count > _maxHistory + 2){
-            messages.RemoveAt(1);
-        }
-        int tokensUsed = 0;
-        foreach(GPTMessage message in messages){
-            tokensUsed += _encoding.Encode(message.Content).Count;
-        }
-        tokensUsed *= 2; //Unsure why this is the case, but the token count chatgpt reports back is double what I calculate.
-        //check if we have the minimum number of tokens available to use. Remove messages until we have enough, otherwise exit out and inform the user why.
-        while(_maxTokens - tokensUsed <= _minTokens){
-            if(messages.Count > 2){
-                int tokens = _encoding.Encode(messages[1].Content).Count * 2;
-                tokensUsed -= tokens;
-                messages.RemoveAt(1);
-            }
-            else{
-                return "Token count exceeded, please increase the number of tokens in the bot config and restart.";
-            }
-        }
-        using var http = _httpFactory.CreateClient();
-        http.DefaultRequestHeaders.Authorization = new("Bearer", _apiKey);
-        var data = await http.PostAsJsonAsync(Uri, new Gpt3ApiRequest()
-        {
-            Model = _model,
-            Messages = messages,
-            MaxTokens = _maxTokens - tokensUsed,
-            Temperature = 1,
-        });
-        var dataString = await data.Content.ReadAsStringAsync();
-        try
-        {
-            var response = JsonConvert.DeserializeObject<Gpt3Response>(dataString);
-            string message = response?.Choices[0]?.Message?.Content;
-            //Can't rely on the return to except, now that we need to add it to the messages list.
-            _ = message ?? throw new ArgumentNullException(nameof(message));
-            messages.Add(new GPTMessage(){Role = "assistant", Content = message, Name = _nadekoUsername});
-            return message;
-        }
-        catch
-        {
-            Log.Warning("Unexpected GPT-3 response received: {ResponseString}", dataString);
-            return null;
-        }
-    }
-}
-

src/NadekoBot/Modules/Games/ChatterBot/_common/OfficialGptSession.cs

@@ -0,0 +1,141 @@
+#nullable disable
+using Newtonsoft.Json;
+using OneOf.Types;
+using System.Net.Http.Json;
+using SharpToken;
+
+namespace NadekoBot.Modules.Games.Common.ChatterBot;
+
+public class OfficialGptSession : IChatterBotSession
+{
+    private string Uri
+        => $"https://api.openai.com/v1/chat/completions";
+
+    private readonly string _apiKey;
+    private readonly string _model;
+    private readonly int _maxHistory;
+    private readonly int _maxTokens;
+    private readonly int _minTokens;
+    private readonly string _nadekoUsername;
+    private readonly GptEncoding _encoding;
+    private List<GPTMessage> messages = new();
+    private readonly IHttpClientFactory _httpFactory;
+
+
+    public OfficialGptSession(
+        string apiKey,
+        ChatGptModel model,
+        int chatHistory,
+        int maxTokens,
+        int minTokens,
+        string personality,
+        string nadekoUsername,
+        IHttpClientFactory factory)
+    {
+        _apiKey = apiKey;
+        _httpFactory = factory;
+
+        _model = model switch
+        {
+            ChatGptModel.Gpt35Turbo => "gpt-3.5-turbo",
+            ChatGptModel.Gpt4o => "gpt-4o",
+            _ => throw new ArgumentException("Unknown, unsupported or obsolete model", nameof(model))
+        };
+
+        _maxHistory = chatHistory;
+        _maxTokens = maxTokens;
+        _minTokens = minTokens;
+        _nadekoUsername = nadekoUsername;
+        _encoding = GptEncoding.GetEncodingForModel(_model);
+        messages.Add(new()
+        {
+            Role = "system",
+            Content = personality,
+            Name = _nadekoUsername
+        });
+    }
+
+    public async Task<OneOf.OneOf<ThinkResult, Error<string>>> Think(string input, string username)
+    {
+        messages.Add(new()
+        {
+            Role = "user",
+            Content = input,
+            Name = username
+        });
+        while (messages.Count > _maxHistory + 2)
+        {
+            messages.RemoveAt(1);
+        }
+
+        var tokensUsed = messages.Sum(message => _encoding.Encode(message.Content).Count);
+
+        tokensUsed *= 2;
+
+        //check if we have the minimum number of tokens available to use. Remove messages until we have enough, otherwise exit out and inform the user why.
+        while (_maxTokens - tokensUsed <= _minTokens)
+        {
+            if (messages.Count > 2)
+            {
+                var tokens = _encoding.Encode(messages[1].Content).Count * 2;
+                tokensUsed -= tokens;
+                messages.RemoveAt(1);
+            }
+            else
+            {
+                return new Error<string>("Token count exceeded, please increase the number of tokens in the bot config and restart.");
+            }
+        }
+
+        using var http = _httpFactory.CreateClient();
+        http.DefaultRequestHeaders.Authorization = new("Bearer", _apiKey);
+        
+        var data = await http.PostAsJsonAsync(Uri,
+            new Gpt3ApiRequest()
+            {
+                Model = _model,
+                Messages = messages,
+                MaxTokens = _maxTokens - tokensUsed,
+                Temperature = 1,
+            });
+        
+        var dataString = await data.Content.ReadAsStringAsync();
+        try
+        {
+            var response = JsonConvert.DeserializeObject<OpenAiCompletionResponse>(dataString);
+            var res = response?.Choices?[0];
+            var message = res?.Message?.Content;
+
+            if (message is null)
+            {
+                return new Error<string>("ChatGpt: Received no response.");
+            }
+            
+            messages.Add(new()
+            {
+                Role = "assistant",
+                Content = message,
+                Name = _nadekoUsername
+            });
+            
+            return new ThinkResult()
+            {
+                Text = message,
+                TokensIn = response.Usage.PromptTokens,
+                TokensOut = response.Usage.CompletionTokens
+            };
+        }
+        catch
+        {
+            Log.Warning("Unexpected response received from OpenAI: {ResponseString}", dataString);
+            return new Error<string>("Unexpected response received");
+        }
+    }
+}
+
+public sealed class ThinkResult
+{
+    public string Text { get; set; }
+    public int TokensIn { get; set; }
+    public int TokensOut { get; set; }
+}

src/NadekoBot/Modules/Games/GamesConfig.cs

@@ -8,7 +8,7 @@ namespace NadekoBot.Modules.Games.Common;
 public sealed partial class GamesConfig : ICloneable<GamesConfig>
 {
     [Comment("DO NOT CHANGE")]
-    public int Version { get; set; } = 3;
+    public int Version { get; set; } = 4;
 
     [Comment("Hangman related settings (.hangman command)")]
     public HangmanConfig Hangman { get; set; } = new()
@@ -105,8 +105,8 @@ public sealed partial class GamesConfig : ICloneable<GamesConfig>
 
     [Comment(@"Which chatbot API should bot use.
 'cleverbot' - bot will use Cleverbot API. 
-'gpt3' - bot will use GPT-3 API")]
-    public ChatBotImplementation ChatBot { get; set; } = ChatBotImplementation.Gpt3;
+'gpt' - bot will use GPT API")]
+    public ChatBotImplementation ChatBot { get; set; } = ChatBotImplementation.Gpt;
 
     public ChatGptConfig ChatGpt { get; set; } = new();
 }
@@ -114,10 +114,10 @@ public sealed partial class GamesConfig : ICloneable<GamesConfig>
 [Cloneable]
 public sealed partial class ChatGptConfig
 {
-    [Comment(@"Which GPT-3 Model should bot use.
+    [Comment(@"Which GPT Model should bot use.
     gpt35turbo - cheapest
-    gpt4 - 30x more expensive, higher quality
-    gp432k - same model as above, but with a 32k token limit")]
+    gpt4o - more expensive, higher quality
+")]
     public ChatGptModel ModelName { get; set; } = ChatGptModel.Gpt35Turbo;
 
     [Comment(@"How should the chat bot behave, what's its personality? (Usage of this counts towards the max tokens)")]
@@ -126,10 +126,10 @@ public sealed partial class ChatGptConfig
     [Comment(@"The maximum number of messages in a conversation that can be remembered. (This will increase the number of tokens used)")]
     public int ChatHistory { get; set; } = 5;
 
-    [Comment(@"The maximum number of tokens to use per GPT-3 API call")]
+    [Comment(@"The maximum number of tokens to use per GPT API call")]
     public int MaxTokens { get; set; } = 100;
 
-    [Comment(@"The minimum number of tokens to use per GPT-3 API call, such that chat history is removed to make room.")]
+    [Comment(@"The minimum number of tokens to use per GPT API call, such that chat history is removed to make room.")]
     public int MinTokens { get; set; } = 30;
 }
 
@@ -163,12 +163,18 @@ public sealed partial class RaceAnimal
 public enum ChatBotImplementation
 {
     Cleverbot,
-    Gpt3
+    Gpt = 1,
+    [Obsolete]
+    Gpt3 = 1,
 }
 
 public enum ChatGptModel
 {
-    Gpt35Turbo,
+    [Obsolete]
     Gpt4,
-    Gpt432k
+    [Obsolete]
+    Gpt432k,
+    
+    Gpt35Turbo,
+    Gpt4o,
 }

src/NadekoBot/Modules/Games/GamesConfigService.cs

@@ -73,15 +73,6 @@ public sealed class GamesConfigService : ConfigServiceBase<GamesConfig>
             });
         }
 
-        if (data.Version < 2)
-        {
-            ModifyConfig(c =>
-            {
-                c.Version = 2;
-                c.ChatBot = ChatBotImplementation.Cleverbot;
-            });
-        }
-
         if (data.Version < 3)
         {
             ModifyConfig(c =>
@@ -90,5 +81,19 @@ public sealed class GamesConfigService : ConfigServiceBase<GamesConfig>
                 c.ChatGpt.ModelName = ChatGptModel.Gpt35Turbo;
             });
         }
+
+        if (data.Version < 4)
+        {
+            ModifyConfig(c =>
+            {
+                c.Version = 4;
+#pragma warning disable CS0612 // Type or member is obsolete
+                c.ChatGpt.ModelName =
+                    c.ChatGpt.ModelName == ChatGptModel.Gpt4 || c.ChatGpt.ModelName == ChatGptModel.Gpt432k
+                        ? ChatGptModel.Gpt4o
+                        : c.ChatGpt.ModelName;
+#pragma warning restore CS0612 // Type or member is obsolete
+            });
+        }
     }
 }

src/NadekoBot/Modules/Music/Music.cs

@@ -1,6 +1,7 @@
 #nullable disable
 using NadekoBot.Modules.Music.Services;
 using NadekoBot.Db.Models;
+using NadekoBot.Modules.Utility;
 
 namespace NadekoBot.Modules.Music;
 

src/NadekoBot/Modules/Music/Services/MusicService.cs

@@ -212,7 +212,7 @@ public sealed class MusicService : IMusicService, IPlaceholderProvider
                 if (settings.AutoDisconnect)
                     return LeaveVoiceChannelAsync(guildId);
             }
-
+            
             return Task.CompletedTask;
         };
 

src/NadekoBot/Modules/Patronage/Config/PatronageConfig.cs

@@ -32,5 +32,14 @@ public class PatronageConfig : ConfigServiceBase<PatronConfigData>
                 c.IsEnabled = false;
             }
         });
+        
+        
+        ModifyConfig(c =>
+        {
+            if (c.Version == 2)
+            {
+                c.Version = 3;
+            }
+        });
     }
 }

src/NadekoBot/Modules/Patronage/InsufficientTier.cs

@@ -1,11 +0,0 @@
-using NadekoBot.Db.Models;
-
-namespace NadekoBot.Modules.Patronage;
-
-public readonly struct InsufficientTier
-{
-    public FeatureType FeatureType { get; init; }
-    public string Feature { get; init; }
-    public PatronTier RequiredTier { get; init; }
-    public PatronTier UserTier { get; init; }
-}

src/NadekoBot/Modules/Patronage/Patreon/PatreonMemberData.cs

@@ -25,9 +25,4 @@ public sealed class PatreonMemberData : ISubscriberData
             "Declined" or "Pending" => SubscriptionChargeStatus.Unpaid,
             _ => SubscriptionChargeStatus.Other,
         };
-}
-
-public sealed class PatreonPledgeData
-{
-    
 }

src/NadekoBot/Modules/Patronage/PatronageCommands.cs

@@ -71,17 +71,16 @@ public partial class Help
                 return;
             }
 
-            var patron = await _service.GetPatronAsync(user.Id);
-            var quotaStats = await _service.GetUserQuotaStatistic(user.Id);
+            var maybePatron = await _service.GetPatronAsync(user.Id);
+
+            var quotaStats = await _service.LimitStats(user.Id);
 
             var eb = _sender.CreateEmbed()
                             .WithAuthor(user)
                             .WithTitle(GetText(strs.patron_info))
                             .WithOkColor();
 
-            if (quotaStats.Commands.Count == 0
-                && quotaStats.Groups.Count == 0
-                && quotaStats.Modules.Count == 0)
+            if (quotaStats.Count == 0 || maybePatron is not { } patron)
             {
                 eb.WithDescription(GetText(strs.no_quota_found));
             }
@@ -97,26 +96,9 @@ public partial class Help
 
                 eb.AddField(GetText(strs.quotas), "⁣", false);
 
-                if (quotaStats.Commands.Count > 0)
-                {
-                    var text = GetQuotaList(quotaStats.Commands);
-                    if (!string.IsNullOrWhiteSpace(text))
-                        eb.AddField(GetText(strs.commands), text, true);
-                }
-
-                if (quotaStats.Groups.Count > 0)
-                {
-                    var text = GetQuotaList(quotaStats.Groups);
-                    if (!string.IsNullOrWhiteSpace(text))
-                        eb.AddField(GetText(strs.groups), text, true);
-                }
-
-                if (quotaStats.Modules.Count > 0)
-                {
-                    var text = GetQuotaList(quotaStats.Modules);
-                    if (!string.IsNullOrWhiteSpace(text))
-                        eb.AddField(GetText(strs.modules), text, true);
-                }
+                var text = GetQuotaList(quotaStats);
+                if (!string.IsNullOrWhiteSpace(text))
+                    eb.AddField(GetText(strs.modules), text, true);
             }
 
 
@@ -131,26 +113,28 @@ public partial class Help
             }
         }
 
-        private string GetQuotaList(IReadOnlyDictionary<string, FeatureQuotaStats> featureQuotaStats)
+        private string GetQuotaList(
+            IReadOnlyDictionary<LimitedFeatureName, (int Cur, QuotaLimit Quota)> featureQuotaStats)
         {
             var text = string.Empty;
-            foreach (var (key, q) in featureQuotaStats)
+            foreach (var (key, (cur, quota)) in featureQuotaStats)
             {
                 text += $"\n⁣\t`{key}`\n";
-                if (q.Hourly != default)
-                    text += $"⁣ ⁣ {GetEmoji(q.Hourly)} {q.Hourly.Cur}/{q.Hourly.Max} per hour\n";
-                if (q.Daily != default)
-                    text += $"⁣ ⁣ {GetEmoji(q.Daily)} {q.Daily.Cur}/{q.Daily.Max} per day\n";
-                if (q.Monthly != default)
-                    text += $"⁣ ⁣ {GetEmoji(q.Monthly)} {q.Monthly.Cur}/{q.Monthly.Max} per month\n";
+                if (quota.QuotaPeriod == QuotaPer.PerHour)
+                    text += $"⁣ ⁣  {cur}/{(quota.Quota == -1 ? "∞" : quota.Quota)} {QuotaPeriodToString(quota.QuotaPeriod)}\n";
             }
 
             return text;
         }
 
-        private string GetEmoji((uint Cur, uint Max) limit)
-            => limit.Cur < limit.Max
-                ? "✅"
-                : "⚠️";
+        public string QuotaPeriodToString(QuotaPer per)
+            => per switch
+            {
+                QuotaPer.PerHour => "per hour",
+                QuotaPer.PerDay => "per day",
+                QuotaPer.PerMonth => "per month",
+                QuotaPer.Total => "total",
+                _ => throw new ArgumentOutOfRangeException(nameof(per), per, null)
+            };
     }
 }

src/NadekoBot/Modules/Patronage/PatronageService.cs

@@ -2,9 +2,8 @@
 using LinqToDB.EntityFrameworkCore;
 using NadekoBot.Common.ModuleBehaviors;
 using NadekoBot.Db.Models;
-using OneOf;
-using OneOf.Types;
-using CommandInfo = Discord.Commands.CommandInfo;
+using StackExchange.Redis;
+using System.Diagnostics;
 
 namespace NadekoBot.Modules.Patronage;
 
@@ -12,7 +11,6 @@ namespace NadekoBot.Modules.Patronage;
 public sealed class PatronageService
     : IPatronageService,
         IReadyExecutor,
-        IExecPreCommand,
         INService
 {
     public event Func<Patron, Task> OnNewPatronPayment = static delegate { return Task.CompletedTask; };
@@ -60,7 +58,7 @@ public sealed class PatronageService
         if (_client.ShardId != 0)
             return Task.CompletedTask;
 
-        return Task.WhenAll(ResetLoopAsync(), LoadSubscribersLoopAsync());
+        return Task.WhenAll(LoadSubscribersLoopAsync());
     }
 
     private async Task LoadSubscribersLoopAsync()
@@ -85,71 +83,6 @@ public sealed class PatronageService
         }
     }
 
-    public async Task ResetLoopAsync()
-    {
-        await Task.Delay(1.Minutes());
-        while (true)
-        {
-            try
-            {
-                if (!_pConf.Data.IsEnabled)
-                {
-                    await Task.Delay(1.Minutes());
-                    continue;
-                }
-
-                var now = DateTime.UtcNow;
-                var lastRun = DateTime.MinValue;
-
-                var result = await _cache.GetAsync(_quotaKey);
-                if (result.TryGetValue(out var lastVal) && lastVal != default)
-                {
-                    lastRun = DateTime.FromBinary(lastVal);
-                }
-
-                var nowDate = now.ToDateOnly();
-                var lastDate = lastRun.ToDateOnly();
-
-                await using var ctx = _db.GetDbContext();
-
-                if ((lastDate.Day == 1 || (lastDate.Month != nowDate.Month)) && nowDate.Day > 1)
-                {
-                    // assumes bot won't be offline for a year
-                    await ctx.GetTable<PatronQuota>()
-                             .TruncateAsync();
-                }
-                else if (nowDate.DayNumber != lastDate.DayNumber)
-                {
-                    // day is different, means hour is different.
-                    // reset both hourly and daily quota counts.
-                    await ctx.GetTable<PatronQuota>()
-                             .UpdateAsync((old) => new()
-                             {
-                                 HourlyCount = 0,
-                                 DailyCount = 0,
-                             });
-                }
-                else if (now.Hour != lastRun.Hour) // if it's not, just reset hourly quotas
-                {
-                    await ctx.GetTable<PatronQuota>()
-                             .UpdateAsync((old) => new()
-                             {
-                                 HourlyCount = 0
-                             });
-                }
-
-                // assumes that the code above runs in less than an hour
-                await _cache.AddAsync(_quotaKey, now.ToBinary());
-            }
-            catch (Exception ex)
-            {
-                Log.Error(ex, "Error in quota reset loop. Message: {ErrorMessage}", ex.Message);
-            }
-
-            await Task.Delay(TimeSpan.FromHours(1).Add(TimeSpan.FromMinutes(1)));
-        }
-    }
-
     private async Task ProcesssPatronsAsync(IReadOnlyCollection<ISubscriberData> subscribersEnum)
     {
         // process only users who have discord accounts connected
@@ -284,313 +217,7 @@ public sealed class PatronageService
         }
     }
 
-    public async Task<bool> ExecPreCommandAsync(
-        ICommandContext ctx,
-        string moduleName,
-        CommandInfo command)
-    {
-        var ownerId = ctx.Guild?.OwnerId ?? 0;
-
-        var result = await AttemptRunCommand(
-            ctx.User.Id,
-            ownerId: ownerId,
-            command.Aliases.First().ToLowerInvariant(),
-            command.Module.Parent == null ? string.Empty : command.Module.GetGroupName().ToLowerInvariant(),
-            moduleName.ToLowerInvariant()
-        );
-
-        return result.Match(
-            _ => false,
-            ins =>
-            {
-                var eb = _sender.CreateEmbed()
-                         .WithPendingColor()
-                         .WithTitle("Insufficient Patron Tier")
-                         .AddField("For", $"{ins.FeatureType}: `{ins.Feature}`", true)
-                         .AddField("Required Tier",
-                             $"[{ins.RequiredTier.ToFullName()}](https://patreon.com/join/nadekobot)",
-                             true);
-
-                if (ctx.Guild is null || ctx.Guild?.OwnerId == ctx.User.Id)
-                    eb.WithDescription("You don't have the sufficent Patron Tier to run this command.")
-                      .WithFooter("You can use '.patron' and '.donate' commands for more info");
-                else
-                    eb.WithDescription(
-                          "Neither you nor the server owner have the sufficent Patron Tier to run this command.")
-                      .WithFooter("You can use '.patron' and '.donate' commands for more info");
-
-                _ = ctx.WarningAsync();
-
-                if (ctx.Guild?.OwnerId == ctx.User.Id)
-                    _ = _sender.Response(ctx)
-                               .Context(ctx)
-                               .Embed(eb)
-                               .SendAsync();
-                else
-                    _ = _sender.Response(ctx).User(ctx.User).Embed(eb).SendAsync();
-
-                return true;
-            },
-            quota =>
-            {
-                var eb = _sender.CreateEmbed()
-                         .WithPendingColor()
-                         .WithTitle("Quota Limit Reached");
-
-                if (quota.IsOwnQuota || ctx.User.Id == ownerId)
-                {
-                    eb.WithDescription($"You've reached your quota of `{quota.Quota} {quota.QuotaPeriod.ToFullName()}`")
-                      .WithFooter("You may want to check your quota by using the '.patron' command.");
-                }
-                else
-                {
-                    eb.WithDescription(
-                          $"This server reached the quota of {quota.Quota} `{quota.QuotaPeriod.ToFullName()}`")
-                      .WithFooter("You may contact the server owner about this issue.\n"
-                                  + "Alternatively, you can become patron yourself by using the '.donate' command.\n"
-                                  + "If you're already a patron, it means you've reached your quota.\n"
-                                  + "You can use '.patron' command to check your quota status.");
-                }
-
-                eb.AddField("For", $"{quota.FeatureType}: `{quota.Feature}`", true)
-                  .AddField("Resets At", quota.ResetsAt.ToShortAndRelativeTimestampTag(), true);
-
-                _ = ctx.WarningAsync();
-
-                // send the message in the server in case it's the owner
-                if (ctx.Guild?.OwnerId == ctx.User.Id)
-                    _ = _sender.Response(ctx)
-                               .Embed(eb)
-                               .SendAsync();
-                else
-                    _ = _sender.Response(ctx).User(ctx.User).Embed(eb).SendAsync();
-
-                return true;
-            });
-    }
-
-    private async ValueTask<OneOf<OneOf.Types.Success, InsufficientTier, QuotaLimit>> AttemptRunCommand(
-        ulong userId,
-        ulong ownerId,
-        string commandName,
-        string groupName,
-        string moduleName)
-    {
-        // try to run as a user
-        var res = await AttemptRunCommand(userId, commandName, groupName, moduleName, true);
-
-        // if it fails, try to run as an owner
-        // but only     if the command is ran in a server
-        //          and if the owner is not the user 
-        if (!res.IsT0 && ownerId != 0 && ownerId != userId)
-            res = await AttemptRunCommand(ownerId, commandName, groupName, moduleName, false);
-
-        return res;
-    }
-
-    /// <summary>
-    /// Returns either the current usage counter if limit wasn't reached, or QuotaLimit if it is.
-    /// </summary>
-    public async ValueTask<OneOf<(uint Hourly, uint Daily, uint Monthly), QuotaLimit>> TryIncrementQuotaCounterAsync(
-        ulong userId,
-        bool isSelf,
-        FeatureType featureType,
-        string featureName,
-        uint? maybeHourly,
-        uint? maybeDaily,
-        uint? maybeMonthly)
-    {
-        await using var ctx = _db.GetDbContext();
-
-        var now = DateTime.UtcNow;
-        await using var tran = await ctx.Database.BeginTransactionAsync();
-
-        var userQuotaData = await ctx.GetTable<PatronQuota>()
-                                     .FirstOrDefaultAsyncLinqToDB(x => x.UserId == userId
-                                                                       && x.Feature == featureName)
-                            ?? new PatronQuota();
-
-        // if hourly exists, if daily exists, etc...
-        if (maybeHourly is uint hourly && userQuotaData.HourlyCount >= hourly)
-        {
-            return new QuotaLimit()
-            {
-                QuotaPeriod = QuotaPer.PerHour,
-                Quota = hourly,
-                // quite a neat trick. https://stackoverflow.com/a/5733560
-                ResetsAt = now.Date.AddHours(now.Hour + 1),
-                Feature = featureName,
-                FeatureType = featureType,
-                IsOwnQuota = isSelf
-            };
-        }
-
-        if (maybeDaily is uint daily
-            && userQuotaData.DailyCount >= daily)
-        {
-            return new QuotaLimit()
-            {
-                QuotaPeriod = QuotaPer.PerDay,
-                Quota = daily,
-                ResetsAt = now.Date.AddDays(1),
-                Feature = featureName,
-                FeatureType = featureType,
-                IsOwnQuota = isSelf
-            };
-        }
-
-        if (maybeMonthly is uint monthly && userQuotaData.MonthlyCount >= monthly)
-        {
-            return new QuotaLimit()
-            {
-                QuotaPeriod = QuotaPer.PerMonth,
-                Quota = monthly,
-                ResetsAt = now.Date.SecondOfNextMonth(),
-                Feature = featureName,
-                FeatureType = featureType,
-                IsOwnQuota = isSelf
-            };
-        }
-
-        await ctx.GetTable<PatronQuota>()
-                 .InsertOrUpdateAsync(() => new()
-                     {
-                         UserId = userId,
-                         FeatureType = featureType,
-                         Feature = featureName,
-                         DailyCount = 1,
-                         MonthlyCount = 1,
-                         HourlyCount = 1,
-                     },
-                     (old) => new()
-                     {
-                         HourlyCount = old.HourlyCount + 1,
-                         DailyCount = old.DailyCount + 1,
-                         MonthlyCount = old.MonthlyCount + 1,
-                     },
-                     () => new()
-                     {
-                         UserId = userId,
-                         FeatureType = featureType,
-                         Feature = featureName,
-                     });
-
-        await tran.CommitAsync();
-
-        return (userQuotaData.HourlyCount + 1, userQuotaData.DailyCount + 1, userQuotaData.MonthlyCount + 1);
-    }
-
-    /// <summary>
-    /// Attempts to add 1 to user's quota for the command, group and module.
-    /// Input MUST BE lowercase
-    /// </summary>
-    /// <param name="userId">Id of the user who is attempting to run the command</param>
-    /// <param name="commandName">Name of the command the user is trying to run</param>
-    /// <param name="groupName">Name of the command's group</param>
-    /// <param name="moduleName">Name of the command's top level module</param>
-    /// <param name="isSelf">Whether this is check is for the user himself. False if it's someone else's id (owner)</param>
-    /// <returns>Either a succcess (user can run the command) or one of the error values.</returns>
-    private async ValueTask<OneOf<OneOf.Types.Success, InsufficientTier, QuotaLimit>> AttemptRunCommand(
-        ulong userId,
-        string commandName,
-        string groupName,
-        string moduleName,
-        bool isSelf)
-    {
-        var confData = _pConf.Data;
-
-        if (!confData.IsEnabled)
-            return default;
-
-        if (_creds.GetCreds().IsOwner(userId))
-            return default;
-
-        // get user tier
-        var patron = await GetPatronAsync(userId);
-        FeatureType quotaForFeatureType;
-
-        if (confData.Quotas.Commands.TryGetValue(commandName, out var quotaData))
-        {
-            quotaForFeatureType = FeatureType.Command;
-        }
-        else if (confData.Quotas.Groups.TryGetValue(groupName, out quotaData))
-        {
-            quotaForFeatureType = FeatureType.Group;
-        }
-        else if (confData.Quotas.Modules.TryGetValue(moduleName, out quotaData))
-        {
-            quotaForFeatureType = FeatureType.Module;
-        }
-        else
-        {
-            return default;
-        }
-
-        var featureName = quotaForFeatureType switch
-        {
-            FeatureType.Command => commandName,
-            FeatureType.Group => groupName,
-            FeatureType.Module => moduleName,
-            _ => throw new ArgumentOutOfRangeException(nameof(quotaForFeatureType))
-        };
-
-        if (!TryGetTierDataOrLower(quotaData, patron.Tier, out var data))
-        {
-            return new InsufficientTier()
-            {
-                Feature = featureName,
-                FeatureType = quotaForFeatureType,
-                RequiredTier = quotaData.Count == 0
-                    ? PatronTier.ComingSoon
-                    : quotaData.Keys.First(),
-                UserTier = patron.Tier,
-            };
-        }
-
-        // no quota limits for this tier
-        if (data is null)
-            return default;
-
-        var quotaCheckResult = await TryIncrementQuotaCounterAsync(userId,
-            isSelf,
-            quotaForFeatureType,
-            featureName,
-            data.TryGetValue(QuotaPer.PerHour, out var hourly) ? hourly : null,
-            data.TryGetValue(QuotaPer.PerDay, out var daily) ? daily : null,
-            data.TryGetValue(QuotaPer.PerMonth, out var monthly) ? monthly : null
-        );
-
-        return quotaCheckResult.Match<OneOf<Success, InsufficientTier, QuotaLimit>>(
-            _ => new Success(),
-            x => x);
-    }
-
-    private bool TryGetTierDataOrLower<T>(
-        IReadOnlyDictionary<PatronTier, T?> data,
-        PatronTier tier,
-        out T? o)
-    {
-        // check for quotas on this tier
-        if (data.TryGetValue(tier, out o))
-            return true;
-
-        // if there are none, get the quota first tier below this one
-        // which has quotas specified
-        for (var i = _tiers.Length - 1; i >= 0; i--)
-        {
-            var lowerTier = _tiers[i];
-            if (lowerTier < tier && data.TryGetValue(lowerTier, out o))
-                return true;
-        }
-
-        // if there are none, that means the feature is intended
-        // to be patron-only but the quotas haven't been specified yet
-        // so it will be marked as "Coming Soon"
-        o = default;
-        return false;
-    }
-
-    public async Task<Patron> GetPatronAsync(ulong userId)
+    public async Task<Patron?> GetPatronAsync(ulong userId)
     {
         await using var ctx = _db.GetDbContext();
 
@@ -616,128 +243,126 @@ public sealed class PatronageService
         return PatronUserToPatron(max);
     }
 
-    public async Task<UserQuotaStats> GetUserQuotaStatistic(ulong userId)
+    public async Task<bool> LimitHitAsync(LimitedFeatureName key, ulong userId, int amount = 1)
     {
-        var pConfData = _pConf.Data;
+        if (_creds.GetCreds().IsOwner(userId))
+            return true;
+        
+        if (!_pConf.Data.IsEnabled)
+            return true;
 
-        if (!pConfData.IsEnabled)
-            return new();
+        var userLimit = await GetUserLimit(key, userId);
 
-        var patron = await GetPatronAsync(userId);
+        if (userLimit.Quota == 0)
+            return false;
 
-        await using var ctx = _db.GetDbContext();
-        var allPatronQuotas = await ctx.GetTable<PatronQuota>()
-                                       .Where(x => x.UserId == userId)
-                                       .ToListAsync();
+        if (userLimit.Quota == -1)
+            return true;
 
-        var allQuotasDict = allPatronQuotas
-                            .GroupBy(static x => x.FeatureType)
-                            .ToDictionary(static x => x.Key, static x => x.ToDictionary(static y => y.Feature));
-
-        allQuotasDict.TryGetValue(FeatureType.Command, out var data);
-        var userCommandQuotaStats = GetFeatureQuotaStats(patron.Tier, data, pConfData.Quotas.Commands);
-
-        allQuotasDict.TryGetValue(FeatureType.Group, out data);
-        var userGroupQuotaStats = GetFeatureQuotaStats(patron.Tier, data, pConfData.Quotas.Groups);
-
-        allQuotasDict.TryGetValue(FeatureType.Module, out data);
-        var userModuleQuotaStats = GetFeatureQuotaStats(patron.Tier, data, pConfData.Quotas.Modules);
-
-        return new UserQuotaStats()
-        {
-            Tier = patron.Tier,
-            Commands = userCommandQuotaStats,
-            Groups = userGroupQuotaStats,
-            Modules = userModuleQuotaStats,
-        };
+        return await TryAddLimit(key, userLimit, userId, amount);
     }
 
-    private IReadOnlyDictionary<string, FeatureQuotaStats> GetFeatureQuotaStats(
-        PatronTier patronTier,
-        IReadOnlyDictionary<string, PatronQuota>? allQuotasDict,
-        Dictionary<string, Dictionary<PatronTier, Dictionary<QuotaPer, uint>?>> commands)
+    public async Task<bool> LimitForceHit(LimitedFeatureName key, ulong userId, int amount)
     {
-        var userCommandQuotaStats = new Dictionary<string, FeatureQuotaStats>();
-        foreach (var (key, quotaData) in commands)
+        if (_creds.GetCreds().IsOwner(userId))
+            return true;
+        
+        if (!_pConf.Data.IsEnabled)
+            return true;
+
+        var userLimit = await GetUserLimit(key, userId);
+
+        var cacheKey = CreateKey(key, userId);
+        await _cache.GetOrAddAsync(cacheKey, () => Task.FromResult(0), GetExpiry(userLimit));
+
+        return await TryAddLimit(key, userLimit, userId, amount);
+    }
+
+    private async Task<bool> TryAddLimit(
+        LimitedFeatureName key,
+        QuotaLimit userLimit,
+        ulong userId,
+        int amount)
+    {
+        var cacheKey = CreateKey(key, userId);
+        var cur = await _cache.GetOrAddAsync(cacheKey, () => Task.FromResult(0), GetExpiry(userLimit));
+
+        if (cur + amount < userLimit.Quota)
         {
-            if (TryGetTierDataOrLower(quotaData, patronTier, out var data))
+            await _cache.AddAsync(cacheKey, cur + amount);
+            return true;
+        }
+
+        return false;
+    }
+
+    private TimeSpan? GetExpiry(QuotaLimit userLimit)
+    {
+        var now = DateTime.UtcNow;
+        switch (userLimit.QuotaPeriod)
+        {
+            case QuotaPer.PerHour:
+                return TimeSpan.FromMinutes(60 - now.Minute);
+            case QuotaPer.PerDay:
+                return TimeSpan.FromMinutes((24 * 60) - ((now.Hour * 60) + now.Minute));
+            case QuotaPer.PerMonth:
+                var firstOfNextMonth = now.FirstOfNextMonth();
+                return firstOfNextMonth - now;
+            default:
+                return null;
+        }
+    }
+
+    private TypedKey<int> CreateKey(LimitedFeatureName key, ulong userId)
+        => new($"limited_feature:{key}:{userId}");
+
+    private QuotaLimit _emptyQuota = new QuotaLimit()
+    {
+        Quota = 0,
+        QuotaPeriod = QuotaPer.PerDay,
+    };
+
+    public async Task<QuotaLimit> GetUserLimit(LimitedFeatureName name, ulong userId)
+    {
+        var maybePatron = await GetPatronAsync(userId);
+
+        if (maybePatron is not { } patron)
+            return _emptyQuota;
+
+        if (patron.ValidThru < DateTime.UtcNow)
+            return _emptyQuota;
+
+        foreach (var (key, value) in _pConf.Data.Limits)
+        {
+            if (patron.Amount >= key)
             {
-                // if data is null that means the quota for the user's tier is unlimited
-                // no point in returning it?
-
-                if (data is null)
-                    continue;
-
-                var (daily, hourly, monthly) = default((uint, uint, uint));
-                // try to get users stats for this feature
-                // if it fails just leave them at 0
-                if (allQuotasDict?.TryGetValue(key, out var quota) ?? false)
-                    (daily, hourly, monthly) = (quota.DailyCount, quota.HourlyCount, quota.MonthlyCount);
-
-                userCommandQuotaStats[key] = new FeatureQuotaStats()
+                if (value.TryGetValue(name, out var quotaLimit))
                 {
-                    Hourly = data.TryGetValue(QuotaPer.PerHour, out var hourD)
-                        ? (hourly, hourD)
-                        : default,
-                    Daily = data.TryGetValue(QuotaPer.PerDay, out var maxD)
-                        ? (daily, maxD)
-                        : default,
-                    Monthly = data.TryGetValue(QuotaPer.PerMonth, out var maxM)
-                        ? (monthly, maxM)
-                        : default,
-                };
+                    return quotaLimit;
+                }
+
+                break;
             }
         }
 
-        return userCommandQuotaStats;
+        return _emptyQuota;
     }
 
-    public async Task<FeatureLimit> TryGetFeatureLimitAsync(FeatureLimitKey key, ulong userId, int? defaultValue)
+    public async Task<Dictionary<LimitedFeatureName, (int, QuotaLimit)>> LimitStats(ulong userId)
     {
-        var conf = _pConf.Data;
-
-        // if patron system is disabled, the quota is just default
-        if (!conf.IsEnabled)
-            return new()
-            {
-                Name = key.PrettyName,
-                Quota = defaultValue,
-                IsPatronLimit = false
-            };
-
-
-        if (!conf.Quotas.Features.TryGetValue(key.Key, out var data))
-            return new()
-            {
-                Name = key.PrettyName,
-                Quota = defaultValue,
-                IsPatronLimit = false,
-            };
-
-        var patron = await GetPatronAsync(userId);
-        if (!TryGetTierDataOrLower(data, patron.Tier, out var limit))
-            return new()
-            {
-                Name = key.PrettyName,
-                Quota = 0,
-                IsPatronLimit = true,
-            };
-
-        return new()
+        var dict = new Dictionary<LimitedFeatureName, (int, QuotaLimit)>();
+        foreach (var featureName in Enum.GetValues<LimitedFeatureName>())
         {
-            Name = key.PrettyName,
-            Quota = limit,
-            IsPatronLimit = true
-        };
+            var cacheKey = CreateKey(featureName, userId);
+            var userLimit = await GetUserLimit(featureName, userId);
+            var cur = await _cache.GetOrAddAsync(cacheKey, () => Task.FromResult(0), GetExpiry(userLimit));
+
+            dict[featureName] = (cur, userLimit);
+        }
+
+        return dict;
     }
 
-    // public async Task<Patron> GiftPatronAsync(IUser user, int amount)
-    // {
-    //     if (amount < 1)
-    //         throw new ArgumentOutOfRangeException(nameof(amount));
-    //     
-    //     
-    // }
 
     private Patron PatronUserToPatron(PatronUser user)
         => new Patron()
@@ -767,6 +392,22 @@ public sealed class PatronageService
         };
     }
 
+    public int PercentBonus(Patron? maybePatron)
+        => maybePatron is { } user && user.ValidThru > DateTime.UtcNow
+            ? PercentBonus(user.Amount)
+            : 0;
+
+    public int PercentBonus(long amount)
+        => amount switch
+        {
+            >= 10_000 => 100,
+            >= 5000 => 50,
+            >= 2000 => 20,
+            >= 1000 => 10,
+            >= 500 => 5,
+            _ => 0
+        };
+
     private async Task SendWelcomeMessage(Patron patron)
     {
         try
@@ -776,28 +417,28 @@ public sealed class PatronageService
                 return;
 
             var eb = _sender.CreateEmbed()
-                     .WithOkColor()
-                     .WithTitle("❤️ Thank you for supporting NadekoBot! ❤️")
-                     .WithDescription(
-                         "Your donation has been processed and you will receive the rewards shortly.\n"
-                         + "You can visit <https://www.patreon.com/join/nadekobot> to see rewards for your tier. 🎉")
-                     .AddField("Tier", Format.Bold(patron.Tier.ToString()), true)
-                     .AddField("Pledge", $"**{patron.Amount / 100.0f:N1}$**", true)
-                     .AddField("Expires",
-                         patron.ValidThru.AddDays(1).ToShortAndRelativeTimestampTag(),
-                         true)
-                     .AddField("Instructions",
-                         """
-                         *- Within the next **1-2 minutes** you will have all of the benefits of the Tier you've subscribed to.*
-                         *- You can check your benefits on <https://www.patreon.com/join/nadekobot>*
-                         *- You can use the `.patron` command in this chat to check your current quota usage for the Patron-only commands*
-                         *- **ALL** of the servers that you **own** will enjoy your Patron benefits.*
-                         *- You can use any of the commands available in your tier on any server (assuming you have sufficient permissions to run those commands)*
-                         *- Any user in any of your servers can use Patron-only commands, but they will spend **your quota**, which is why it's recommended to use Nadeko's command cooldown system (.h .cmdcd) or permission system to limit the command usage for your server members.*
-                         *- Permission guide can be found here if you're not familiar with it: <https://nadekobot.readthedocs.io/en/latest/permissions-system/>*
-                         """,
-                         inline: false)
-                     .WithFooter($"platform id: {patron.UniquePlatformUserId}");
+                            .WithOkColor()
+                            .WithTitle("❤️ Thank you for supporting NadekoBot! ❤️")
+                            .WithDescription(
+                                "Your donation has been processed and you will receive the rewards shortly.\n"
+                                + "You can visit <https://www.patreon.com/join/nadekobot> to see rewards for your tier. 🎉")
+                            .AddField("Tier", Format.Bold(patron.Tier.ToString()), true)
+                            .AddField("Pledge", $"**{patron.Amount / 100.0f:N1}$**", true)
+                            .AddField("Expires",
+                                patron.ValidThru.AddDays(1).ToShortAndRelativeTimestampTag(),
+                                true)
+                            .AddField("Instructions",
+                                """
+                                *- Within the next **1-2 minutes** you will have all of the benefits of the Tier you've subscribed to.*
+                                *- You can check your benefits on <https://www.patreon.com/join/nadekobot>*
+                                *- You can use the `.patron` command in this chat to check your current quota usage for the Patron-only commands*
+                                *- **ALL** of the servers that you **own** will enjoy your Patron benefits.*
+                                *- You can use any of the commands available in your tier on any server (assuming you have sufficient permissions to run those commands)*
+                                *- Any user in any of your servers can use Patron-only commands, but they will spend **your quota**, which is why it's recommended to use Nadeko's command cooldown system (.h .cmdcd) or permission system to limit the command usage for your server members.*
+                                *- Permission guide can be found here if you're not familiar with it: <https://nadekobot.readthedocs.io/en/latest/permissions-system/>*
+                                """,
+                                inline: false)
+                            .WithFooter($"platform id: {patron.UniquePlatformUserId}");
 
             await _sender.Response(user).Embed(eb).SendAsync();
         }

src/NadekoBot/Modules/Searches/Crypto/DefaultStockDataService.cs

@@ -1,6 +1,7 @@
 using AngleSharp;
 using CsvHelper;
 using CsvHelper.Configuration;
+using System.Diagnostics;
 using System.Globalization;
 using System.Text.Json;
 
@@ -22,46 +23,32 @@ public sealed class DefaultStockDataService : IStockDataService, INService
 
             using var http = _httpClientFactory.CreateClient();
 
-
-
             var quoteHtmlPage = $"https://finance.yahoo.com/quote/{query.ToUpperInvariant()}";
 
             var config = Configuration.Default.WithDefaultLoader();
             using var document = await BrowsingContext.New(config).OpenAsync(quoteHtmlPage);
-            var divElem =
-                document.QuerySelector(
-                    "#quote-header-info > div:nth-child(2) > div > div > h1");
-            var tickerName = (divElem)?.TextContent;
 
+            var tickerName = document.QuerySelector("div.top > .left > .container > h1")
+                                     ?.TextContent;
+            
+            if (tickerName is null)
+                return default;
+            
             var marketcap = document
-                            .QuerySelectorAll("table")
-                            .Skip(1)
-                            .First()
-                            .QuerySelector("tbody > tr > td:nth-child(2)")
+                            .QuerySelector("li > span > fin-streamer[data-field='marketCap']")
                             ?.TextContent;
 
 
-            var volume = document.QuerySelector("td[data-test='AVERAGE_VOLUME_3MONTH-value']")
+            var volume = document.QuerySelector("li > span > fin-streamer[data-field='regularMarketVolume']")
                                  ?.TextContent;
-            
-            var close= document.QuerySelector("td[data-test='PREV_CLOSE-value']")
-                                 ?.TextContent ?? "0";
-            
-            var price = document
-                        .QuerySelector("#quote-header-info")
-                        ?.QuerySelector("fin-streamer[data-field='regularMarketPrice']")
-                                 ?.TextContent ?? close;
-            
-            // var data = await http.GetFromJsonAsync<YahooQueryModel>(
-            //     $"https://query1.finance.yahoo.com/v7/finance/quote?symbols={query}");
-            //
-            // if (data is null)
-            //     return default;
 
-            // var symbol = data.QuoteResponse.Result.FirstOrDefault();
+            var close = document.QuerySelector("li > span > fin-streamer[data-field='regularMarketPreviousClose']")
+                                ?.TextContent
+                        ?? "0";
 
-            // if (symbol is null)
-            // return default;
+            var price = document.QuerySelector("fin-streamer.livePrice > span")
+                                ?.TextContent
+                        ?? "0";
 
             return new()
             {

src/NadekoBot/Modules/Searches/PathOfExileCommands.cs

@@ -1,312 +0,0 @@
-#nullable disable
-using NadekoBot.Modules.Searches.Common;
-using NadekoBot.Modules.Searches.Services;
-using Newtonsoft.Json;
-using Newtonsoft.Json.Linq;
-using System.Globalization;
-using System.Text;
-
-namespace NadekoBot.Modules.Searches;
-
-public partial class Searches
-{
-    [Group]
-    public partial class PathOfExileCommands : NadekoModule<SearchesService>
-    {
-        private const string POE_URL = "https://www.pathofexile.com/character-window/get-characters?accountName=";
-        private const string PON_URL = "http://poe.ninja/api/Data/GetCurrencyOverview?league=";
-        private const string POGS_URL = "http://pathofexile.gamepedia.com/api.php?action=opensearch&search=";
-
-        private const string POG_URL =
-            "https://pathofexile.gamepedia.com/api.php?action=browsebysubject&format=json&subject=";
-
-        private const string POGI_URL =
-            "https://pathofexile.gamepedia.com/api.php?action=query&prop=imageinfo&iiprop=url&format=json&titles=File:";
-
-        private const string PROFILE_URL = "https://www.pathofexile.com/account/view-profile/";
-
-        private readonly IHttpClientFactory _httpFactory;
-
-        private Dictionary<string, string> currencyDictionary = new(StringComparer.OrdinalIgnoreCase)
-        {
-            { "Chaos Orb", "Chaos Orb" },
-            { "Orb of Alchemy", "Orb of Alchemy" },
-            { "Jeweller's Orb", "Jeweller's Orb" },
-            { "Exalted Orb", "Exalted Orb" },
-            { "Mirror of Kalandra", "Mirror of Kalandra" },
-            { "Vaal Orb", "Vaal Orb" },
-            { "Orb of Alteration", "Orb of Alteration" },
-            { "Orb of Scouring", "Orb of Scouring" },
-            { "Divine Orb", "Divine Orb" },
-            { "Orb of Annulment", "Orb of Annulment" },
-            { "Master Cartographer's Sextant", "Master Cartographer's Sextant" },
-            { "Journeyman Cartographer's Sextant", "Journeyman Cartographer's Sextant" },
-            { "Apprentice Cartographer's Sextant", "Apprentice Cartographer's Sextant" },
-            { "Blessed Orb", "Blessed Orb" },
-            { "Orb of Regret", "Orb of Regret" },
-            { "Gemcutter's Prism", "Gemcutter's Prism" },
-            { "Glassblower's Bauble", "Glassblower's Bauble" },
-            { "Orb of Fusing", "Orb of Fusing" },
-            { "Cartographer's Chisel", "Cartographer's Chisel" },
-            { "Chromatic Orb", "Chromatic Orb" },
-            { "Orb of Augmentation", "Orb of Augmentation" },
-            { "Blacksmith's Whetstone", "Blacksmith's Whetstone" },
-            { "Orb of Transmutation", "Orb of Transmutation" },
-            { "Armourer's Scrap", "Armourer's Scrap" },
-            { "Scroll of Wisdom", "Scroll of Wisdom" },
-            { "Regal Orb", "Regal Orb" },
-            { "Chaos", "Chaos Orb" },
-            { "Alch", "Orb of Alchemy" },
-            { "Alchs", "Orb of Alchemy" },
-            { "Jews", "Jeweller's Orb" },
-            { "Jeweller", "Jeweller's Orb" },
-            { "Jewellers", "Jeweller's Orb" },
-            { "Jeweller's", "Jeweller's Orb" },
-            { "X", "Exalted Orb" },
-            { "Ex", "Exalted Orb" },
-            { "Exalt", "Exalted Orb" },
-            { "Exalts", "Exalted Orb" },
-            { "Mirror", "Mirror of Kalandra" },
-            { "Mirrors", "Mirror of Kalandra" },
-            { "Vaal", "Vaal Orb" },
-            { "Alt", "Orb of Alteration" },
-            { "Alts", "Orb of Alteration" },
-            { "Scour", "Orb of Scouring" },
-            { "Scours", "Orb of Scouring" },
-            { "Divine", "Divine Orb" },
-            { "Annul", "Orb of Annulment" },
-            { "Annulment", "Orb of Annulment" },
-            { "Master Sextant", "Master Cartographer's Sextant" },
-            { "Journeyman Sextant", "Journeyman Cartographer's Sextant" },
-            { "Apprentice Sextant", "Apprentice Cartographer's Sextant" },
-            { "Blessed", "Blessed Orb" },
-            { "Regret", "Orb of Regret" },
-            { "Regrets", "Orb of Regret" },
-            { "Gcp", "Gemcutter's Prism" },
-            { "Glassblowers", "Glassblower's Bauble" },
-            { "Glassblower's", "Glassblower's Bauble" },
-            { "Fusing", "Orb of Fusing" },
-            { "Fuses", "Orb of Fusing" },
-            { "Fuse", "Orb of Fusing" },
-            { "Chisel", "Cartographer's Chisel" },
-            { "Chisels", "Cartographer's Chisel" },
-            { "Chance", "Orb of Chance" },
-            { "Chances", "Orb of Chance" },
-            { "Chrome", "Chromatic Orb" },
-            { "Chromes", "Chromatic Orb" },
-            { "Aug", "Orb of Augmentation" },
-            { "Augmentation", "Orb of Augmentation" },
-            { "Augment", "Orb of Augmentation" },
-            { "Augments", "Orb of Augmentation" },
-            { "Whetstone", "Blacksmith's Whetstone" },
-            { "Whetstones", "Blacksmith's Whetstone" },
-            { "Transmute", "Orb of Transmutation" },
-            { "Transmutes", "Orb of Transmutation" },
-            { "Armourers", "Armourer's Scrap" },
-            { "Armourer's", "Armourer's Scrap" },
-            { "Wisdom Scroll", "Scroll of Wisdom" },
-            { "Wisdom Scrolls", "Scroll of Wisdom" },
-            { "Regal", "Regal Orb" },
-            { "Regals", "Regal Orb" }
-        };
-
-        public PathOfExileCommands(IHttpClientFactory httpFactory)
-            => _httpFactory = httpFactory;
-
-        [Cmd]
-        public async Task PathOfExile(string usr, string league = "", int page = 1)
-        {
-            if (--page < 0)
-                return;
-
-            if (string.IsNullOrWhiteSpace(usr))
-            {
-                await Response().Error("Please provide an account name.").SendAsync();
-                return;
-            }
-
-            var characters = new List<Account>();
-
-            try
-            {
-                using var http = _httpFactory.CreateClient();
-                var res = await http.GetStringAsync($"{POE_URL}{usr}");
-                characters = JsonConvert.DeserializeObject<List<Account>>(res);
-            }
-            catch
-            {
-                var embed = _sender.CreateEmbed().WithDescription(GetText(strs.account_not_found)).WithErrorColor();
-
-                await Response().Embed(embed).SendAsync();
-                return;
-            }
-
-            if (!string.IsNullOrWhiteSpace(league))
-                characters.RemoveAll(c => c.League != league);
-
-            await Response()
-                  .Paginated()
-                  .Items(characters)
-                  .PageSize(9)
-                  .CurrentPage(page)
-                  .Page((items, curPage) =>
-                  {
-                      var embed = _sender.CreateEmbed()
-                                  .WithAuthor($"Characters on {usr}'s account",
-                                      "https://web.poecdn.com/image/favicon/ogimage.png",
-                                      $"{PROFILE_URL}{usr}")
-                                  .WithOkColor();
-
-                      if (characters.Count == 0)
-                          return embed.WithDescription("This account has no characters.");
-
-                      var sb = new StringBuilder();
-                      sb.AppendLine($"```{"#",-5}{"Character Name",-23}{"League",-10}{"Class",-13}{"Level",-3}");
-                      for (var i = 0; i < items.Count; i++)
-                      {
-                          var character = items[i];
-
-                          sb.AppendLine(
-                              $"#{i + 1 + (curPage * 9),-4}{character.Name,-23}{ShortLeagueName(character.League),-10}{character.Class,-13}{character.Level,-3}");
-                      }
-
-                      sb.AppendLine("```");
-                      embed.WithDescription(sb.ToString());
-
-                      return embed;
-                  })
-                  .SendAsync();
-        }
-
-        [Cmd]
-        public async Task PathOfExileLeagues()
-        {
-            var leagues = new List<Leagues>();
-
-            try
-            {
-                using var http = _httpFactory.CreateClient();
-                var res = await http.GetStringAsync("http://api.pathofexile.com/leagues?type=main&compact=1");
-                leagues = JsonConvert.DeserializeObject<List<Leagues>>(res);
-            }
-            catch
-            {
-                var eembed = _sender.CreateEmbed().WithDescription(GetText(strs.leagues_not_found)).WithErrorColor();
-
-                await Response().Embed(eembed).SendAsync();
-                return;
-            }
-
-            var embed = _sender.CreateEmbed()
-                        .WithAuthor("Path of Exile Leagues",
-                            "https://web.poecdn.com/image/favicon/ogimage.png",
-                            "https://www.pathofexile.com")
-                        .WithOkColor();
-
-            var sb = new StringBuilder();
-            sb.AppendLine($"```{"#",-5}{"League Name",-23}");
-            for (var i = 0; i < leagues.Count; i++)
-            {
-                var league = leagues[i];
-
-                sb.AppendLine($"#{i + 1,-4}{league.Id,-23}");
-            }
-
-            sb.AppendLine("```");
-
-            embed.WithDescription(sb.ToString());
-
-            await Response().Embed(embed).SendAsync();
-        }
-
-        [Cmd]
-        public async Task PathOfExileCurrency(
-            string leagueName,
-            string currencyName,
-            string convertName = "Chaos Orb")
-        {
-            if (string.IsNullOrWhiteSpace(leagueName))
-            {
-                await Response().Error("Please provide league name.").SendAsync();
-                return;
-            }
-
-            if (string.IsNullOrWhiteSpace(currencyName))
-            {
-                await Response().Error("Please provide currency name.").SendAsync();
-                return;
-            }
-
-            var cleanCurrency = ShortCurrencyName(currencyName);
-            var cleanConvert = ShortCurrencyName(convertName);
-
-            try
-            {
-                var res = $"{PON_URL}{leagueName}";
-                using var http = _httpFactory.CreateClient();
-                var obj = JObject.Parse(await http.GetStringAsync(res));
-
-                var chaosEquivalent = 0.0F;
-                var conversionEquivalent = 0.0F;
-
-                //	poe.ninja API does not include a "chaosEquivalent" property for Chaos Orbs.
-                if (cleanCurrency == "Chaos Orb")
-                    chaosEquivalent = 1.0F;
-                else
-                {
-                    var currencyInput = obj["lines"]
-                                        .Values<JObject>()
-                                        .Where(i => i["currencyTypeName"].Value<string>() == cleanCurrency)
-                                        .FirstOrDefault();
-                    chaosEquivalent = float.Parse(currencyInput["chaosEquivalent"].ToString(),
-                        CultureInfo.InvariantCulture);
-                }
-
-                if (cleanConvert == "Chaos Orb")
-                    conversionEquivalent = 1.0F;
-                else
-                {
-                    var currencyOutput = obj["lines"]
-                                         .Values<JObject>()
-                                         .Where(i => i["currencyTypeName"].Value<string>() == cleanConvert)
-                                         .FirstOrDefault();
-                    conversionEquivalent = float.Parse(currencyOutput["chaosEquivalent"].ToString(),
-                        CultureInfo.InvariantCulture);
-                }
-
-                var embed = _sender.CreateEmbed()
-                            .WithAuthor($"{leagueName} Currency Exchange",
-                                "https://web.poecdn.com/image/favicon/ogimage.png",
-                                "http://poe.ninja")
-                            .AddField("Currency Type", cleanCurrency, true)
-                            .AddField($"{cleanConvert} Equivalent", chaosEquivalent / conversionEquivalent, true)
-                            .WithOkColor();
-
-                await Response().Embed(embed).SendAsync();
-            }
-            catch
-            {
-                var embed = _sender.CreateEmbed().WithDescription(GetText(strs.ninja_not_found)).WithErrorColor();
-
-                await Response().Embed(embed).SendAsync();
-            }
-        }
-
-        private string ShortCurrencyName(string str)
-        {
-            if (currencyDictionary.ContainsValue(str))
-                return str;
-
-            var currency = currencyDictionary[str];
-
-            return currency;
-        }
-
-        private static string ShortLeagueName(string str)
-        {
-            var league = str.Replace("Hardcore", "HC", StringComparison.InvariantCultureIgnoreCase);
-
-            return league;
-        }
-    }
-}

src/NadekoBot/Modules/Searches/Searches.cs

@@ -2,6 +2,7 @@
 using Microsoft.Extensions.Caching.Memory;
 using NadekoBot.Modules.Searches.Common;
 using NadekoBot.Modules.Searches.Services;
+using NadekoBot.Modules.Utility;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using SixLabors.ImageSharp;
@@ -168,7 +169,7 @@ public partial class Searches : NadekoModule<SearchesService>
                      .AddField("Rating", movie.ImdbRating, true)
                      .AddField("Genre", movie.Genre, true)
                      .AddField("Year", movie.Year, true)
-                     .WithImageUrl(movie.Poster))
+                     .WithImageUrl(Uri.IsWellFormedUriString(movie.Poster, UriKind.Absolute) ? movie.Poster : null))
               .SendAsync();
     }
 

src/NadekoBot/Modules/Utility/Ai/AiAssistantService.cs

@@ -0,0 +1,314 @@
+using NadekoBot.Common.ModuleBehaviors;
+using NadekoBot.Modules.Administration;
+using NadekoBot.Modules.Games.Services;
+using System.Net;
+using System.Net.Http.Json;
+using System.Text;
+using System.Text.Json;
+using JsonSerializer = System.Text.Json.JsonSerializer;
+
+namespace NadekoBot.Modules.Utility;
+
+public enum GetCommandErrorResult
+{
+    RateLimitHit,
+    NotAuthorized,
+    Disregard,
+    Unknown
+}
+
+public sealed class AiAssistantService
+    : IAiAssistantService, IReadyExecutor,
+        IExecOnMessage,
+        INService
+{
+    private IReadOnlyCollection<AiCommandModel> _commands = [];
+
+    private readonly IBotStrings _strings;
+    private readonly IHttpClientFactory _httpFactory;
+    private readonly CommandService _cmds;
+    private readonly IBotCredsProvider _credsProvider;
+    private readonly DiscordSocketClient _client;
+    private readonly ICommandHandler _cmdHandler;
+    private readonly BotConfigService _bcs;
+    private readonly IMessageSenderService _sender;
+
+    private readonly JsonSerializerOptions _serializerOptions = new();
+    private readonly IPermissionChecker _permChecker;
+    private readonly IBotCache _botCache;
+    private readonly ChatterBotService _cbs;
+
+    public AiAssistantService(
+        DiscordSocketClient client,
+        IBotStrings strings,
+        IHttpClientFactory httpFactory,
+        CommandService cmds,
+        IBotCredsProvider credsProvider,
+        ICommandHandler cmdHandler,
+        BotConfigService bcs,
+        IPermissionChecker permChecker,
+        IBotCache botCache,
+        ChatterBotService cbs,
+        IMessageSenderService sender)
+    {
+        _client = client;
+        _strings = strings;
+        _httpFactory = httpFactory;
+        _cmds = cmds;
+        _credsProvider = credsProvider;
+        _cmdHandler = cmdHandler;
+        _bcs = bcs;
+        _sender = sender;
+        _permChecker = permChecker;
+        _botCache = botCache;
+        _cbs = cbs;
+    }
+
+    public async Task<OneOf.OneOf<NadekoCommandCallModel, GetCommandErrorResult>> TryGetCommandAsync(
+        ulong userId,
+        string prompt,
+        IReadOnlyCollection<AiCommandModel> commands,
+        string prefix)
+    {
+        using var content = new StringContent(
+            JsonSerializer.Serialize(new
+            {
+                query = prompt,
+                commands = commands.ToDictionary(x => x.Name,
+                    x => new AiCommandModel()
+                    {
+                        Desc = string.Format(x.Desc ?? "", prefix),
+                        Params = x.Params,
+                        Name = x.Name
+                    }),
+            }),
+            Encoding.UTF8,
+            "application/json"
+        );
+
+        using var request = new HttpRequestMessage();
+        request.Method = HttpMethod.Post;
+        // request.RequestUri = new("https://nai.nadeko.bot/get-command");
+        request.RequestUri = new("https://nai.nadeko.bot/get-command");
+        request.Content = content;
+
+        var creds = _credsProvider.GetCreds();
+
+        request.Headers.TryAddWithoutValidation("x-auth-token", creds.NadekoAiToken);
+        request.Headers.TryAddWithoutValidation("x-auth-userid", userId.ToString());
+
+
+        using var client = _httpFactory.CreateClient();
+
+        // todo customize according to the bot's config
+        // - CurrencyName
+        // - 
+
+        using var response = await client.SendAsync(request);
+
+        if (response.StatusCode == HttpStatusCode.TooManyRequests)
+        {
+            return GetCommandErrorResult.RateLimitHit;
+        }
+        else if (response.StatusCode == HttpStatusCode.Unauthorized)
+        {
+            return GetCommandErrorResult.NotAuthorized;
+        }
+
+        var funcModel = await response.Content.ReadFromJsonAsync<CommandPromptResultModel>();
+
+
+        if (funcModel?.Name == "disregard")
+        {
+            Log.Warning("Disregarding the prompt: {Prompt}", prompt);
+            return GetCommandErrorResult.Disregard;
+        }
+
+        if (funcModel is null)
+            return GetCommandErrorResult.Unknown;
+
+        var comModel = new NadekoCommandCallModel()
+        {
+            Name = funcModel.Name,
+            Arguments = funcModel.Arguments
+                                 .OrderBy(param => _commands.FirstOrDefault(x => x.Name == funcModel.Name)
+                                                            ?.Params
+                                                            .Select((x, i) => (x, i))
+                                                            .Where(x => x.x.Name == param.Key)
+                                                            .Select(x => x.i)
+                                                            .FirstOrDefault())
+                                 .Select(x => x.Value)
+                                 .Where(x => !string.IsNullOrWhiteSpace(x))
+                                 .ToArray(),
+            Remaining = funcModel.Remaining
+        };
+
+        return comModel;
+    }
+
+    public IReadOnlyCollection<AiCommandModel> GetCommands()
+        => _commands;
+
+    public Task OnReadyAsync()
+    {
+        var cmds = _cmds.Commands
+                        .Select(x => (MethodName: x.Summary, CommandName: x.Aliases[0]))
+                        .Where(x => !x.MethodName.Contains("///"))
+                        .Distinct()
+                        .ToList();
+
+        var funcs = new List<AiCommandModel>();
+        foreach (var (method, cmd) in cmds)
+        {
+            var commandStrings = _strings.GetCommandStrings(method);
+
+            if (commandStrings is null)
+                continue;
+
+            funcs.Add(new()
+            {
+                Name = cmd,
+                Desc = commandStrings?.Desc?.Replace("currency", "flowers") ?? string.Empty,
+                Params = commandStrings?.Params.FirstOrDefault()
+                                       ?.Select(x => new AiCommandParamModel()
+                                       {
+                                           Desc = x.Value.Desc,
+                                           Name = x.Key,
+                                       })
+                                       .ToArray()
+                         ?? []
+            });
+        }
+
+        _commands = funcs;
+
+        return Task.CompletedTask;
+    }
+
+    public int Priority
+        => 2;
+
+    public async Task<bool> ExecOnMessageAsync(IGuild guild, IUserMessage msg)
+    {
+        if (string.IsNullOrWhiteSpace(_credsProvider.GetCreds().NadekoAiToken))
+            return false;
+
+        if (guild is not SocketGuild sg)
+            return false;
+
+        var nadekoId = _client.CurrentUser.Id;
+
+        var channel = msg.Channel as ITextChannel;
+        if (channel is null)
+            return false;
+
+        var normalMention = $"<@{nadekoId}> ";
+        var nickMention = $"<@!{nadekoId}> ";
+        string query;
+        if (msg.Content.StartsWith(normalMention, StringComparison.InvariantCulture))
+            query = msg.Content[normalMention.Length..].Trim();
+        else if (msg.Content.StartsWith(nickMention, StringComparison.InvariantCulture))
+            query = msg.Content[nickMention.Length..].Trim();
+        else
+            return false;
+
+        var success = await TryExecuteAiCommand(guild, msg, channel, query);
+
+        return success;
+    }
+
+    public async Task<bool> TryExecuteAiCommand(
+        IGuild guild,
+        IUserMessage msg,
+        ITextChannel channel,
+        string query)
+    {
+        // check permissions
+        var pcResult = await _permChecker.CheckPermsAsync(
+            guild,
+            msg.Channel,
+            msg.Author,
+            "Utility",
+            "prompt"
+        );
+
+        if (!pcResult.IsAllowed)
+            return false;
+
+        using var _ = channel.EnterTypingState();
+
+        var result = await TryGetCommandAsync(msg.Author.Id, query, _commands, _cmdHandler.GetPrefix(guild.Id));
+
+        if (result.TryPickT0(out var model, out var error))
+        {
+            if (model.Name == ".ai_chat")
+            {
+                if (guild is not SocketGuild sg)
+                    return false;
+                
+                var sess = _cbs.GetOrCreateSession(guild.Id);
+                if (sess is null)
+                    return false;
+
+                await _cbs.RunChatterBot(sg, msg, channel, sess, query);
+                return false;
+            }
+
+            var commandString = GetCommandString(model);
+
+            var msgTask = _sender.Response(channel)
+                                 .Embed(_sender.CreateEmbed()
+                                               .WithOkColor()
+                                               .WithAuthor(msg.Author.GlobalName,
+                                                   msg.Author.RealAvatarUrl().ToString())
+                                               .WithDescription(commandString))
+                                 .SendAsync();
+
+
+            await _cmdHandler.TryRunCommand(
+                (SocketGuild)guild,
+                (ISocketMessageChannel)channel,
+                new DoAsUserMessage((SocketUserMessage)msg, msg.Author, commandString));
+
+            var cmdMsg = await msgTask;
+
+            cmdMsg.DeleteAfter(5);
+
+            return true;
+        }
+
+        if (error == GetCommandErrorResult.Disregard)
+        {
+            // await msg.ErrorAsync();
+            return false;
+        }
+
+        var key = new TypedKey<bool>($"sub_error:{msg.Author.Id}:{error}");
+
+        if (!await _botCache.AddAsync(key, true, TimeSpan.FromDays(1), overwrite: false))
+            return false;
+
+        var errorMsg = error switch
+        {
+            GetCommandErrorResult.RateLimitHit
+                => "You've spent your daily requests quota.",
+            GetCommandErrorResult.NotAuthorized
+                => "In order to use this command you have to have a 5$ or higher subscription at <https://patreon.com/nadekobot>",
+            GetCommandErrorResult.Unknown
+                => "The service is temporarily unavailable.",
+            _ => throw new ArgumentOutOfRangeException()
+        };
+
+        await _sender.Response(channel)
+                     .Error(errorMsg)
+                     .SendAsync();
+        
+        return true;
+    }
+
+    private string GetCommandString(NadekoCommandCallModel res)
+        => $"{_bcs.Data.Prefix}{res.Name} {res.Arguments.Select((x, i) => GetParamString(x, i + 1 == res.Arguments.Count)).Join(" ")}";
+
+    private static string GetParamString(string val, bool isLast)
+        => isLast ? val : "\"" + val + "\"";
+}

src/NadekoBot/Modules/Utility/Ai/AiCommandModel.cs

@@ -0,0 +1,15 @@
+using System.Text.Json.Serialization;
+
+namespace NadekoBot.Modules.Utility;
+
+public sealed class AiCommandModel
+{
+    [JsonPropertyName("name")]
+    public required string Name { get; set; }
+
+    [JsonPropertyName("desc")]
+    public required string Desc { get; set; }
+
+    [JsonPropertyName("params")]
+    public required IReadOnlyList<AiCommandParamModel> Params { get; set; }
+}

src/NadekoBot/Modules/Utility/Ai/AiCommandParamModel.cs

@@ -0,0 +1,12 @@
+using System.Text.Json.Serialization;
+
+namespace NadekoBot.Modules.Utility;
+
+public sealed class AiCommandParamModel
+{
+    [JsonPropertyName("name")]
+    public required string Name { get; set; }
+
+    [JsonPropertyName("desc")]
+    public required string Desc { get; set; }
+}

src/NadekoBot/Modules/Utility/Ai/CommandPromptResultModel.cs

@@ -0,0 +1,16 @@
+using System.Text.Json.Serialization;
+
+namespace NadekoBot.Modules.Utility;
+
+public sealed class CommandPromptResultModel
+{
+    [JsonPropertyName("name")]
+    public required string Name { get; set; }
+
+    [JsonPropertyName("arguments")]
+    public required Dictionary<string, string> Arguments { get; set; }
+    
+    [JsonPropertyName("remaining")]
+    [JsonConverter(typeof(NumberToStringConverter))]
+    public required string Remaining { get; set; }
+}

src/NadekoBot/Modules/Utility/Ai/IAiAssistantService.cs

@@ -0,0 +1,20 @@
+using OneOf;
+
+namespace NadekoBot.Modules.Utility;
+
+public interface IAiAssistantService
+{
+    Task<OneOf<NadekoCommandCallModel, GetCommandErrorResult>> TryGetCommandAsync(
+        ulong userId,
+        string prompt,
+        IReadOnlyCollection<AiCommandModel> commands,
+        string prefix);
+
+    IReadOnlyCollection<AiCommandModel> GetCommands();
+
+    Task<bool> TryExecuteAiCommand(
+        IGuild guild,
+        IUserMessage msg,
+        ITextChannel channel,
+        string query);
+}

src/NadekoBot/Modules/Utility/Ai/NadekoCommandCallModel.cs

@@ -0,0 +1,8 @@
+namespace NadekoBot.Modules.Utility;
+
+public sealed class NadekoCommandCallModel
+{
+    public required string Name { get; set; }
+    public required IReadOnlyList<string> Arguments { get; set; }
+    public required string Remaining { get; set; }
+}

src/NadekoBot/Modules/Utility/Ai/UtilityCommands.cs

@@ -0,0 +1,23 @@
+using NadekoBot.Modules.Administration;
+
+namespace NadekoBot.Modules.Utility;
+
+public partial class UtilityCommands
+{
+    public class PromptCommands : NadekoModule<IAiAssistantService>
+    {
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        public async Task Prompt([Leftover] string query)
+        {
+            await ctx.Channel.TriggerTypingAsync();
+            var res = await _service.TryExecuteAiCommand(ctx.Guild, ctx.Message, (ITextChannel)ctx.Channel, query);
+        }
+
+        private string GetCommandString(NadekoCommandCallModel res)
+            => $"{_bcs.Data.Prefix}{res.Name} {res.Arguments.Select((x, i) => GetParamString(x, i + 1 == res.Arguments.Count)).Join(" ")}";
+
+        private static string GetParamString(string val, bool isLast)
+            => isLast ? val : "\"" + val + "\"";
+    }
+}

src/NadekoBot/Modules/Utility/Info/InfoCommands.cs

@@ -144,9 +144,9 @@ public partial class Utility
                      true)
                  .WithOkColor();
 
-            var patron = await _ps.GetPatronAsync(user.Id);
+            var mPatron = await _ps.GetPatronAsync(user.Id);
 
-            if (patron.Tier != PatronTier.None)
+            if (mPatron is {} patron && patron.Tier != PatronTier.None)
             {
                 embed.WithFooter(patron.Tier switch
                 {

src/NadekoBot/Modules/Utility/Remind/RemindCommands.cs

@@ -113,10 +113,9 @@ public partial class Utility
                 foreach (var rem in rems)
                 {
                     var when = rem.When;
-                    var diff = when - DateTime.UtcNow;
                     embed.AddField(
                         $"#{++i + (page * 10)} {rem.When:HH:mm yyyy-MM-dd} UTC "
-                        + $"(in {diff.ToPrettyStringHm()})",
+                        + $"{TimestampTag.FromDateTime(when)}",
                         $@"`Target:` {(rem.IsPrivate ? "DM" : "Channel")}
 `TargetId:` {rem.ChannelId}
 `Message:` {rem.Message?.TrimTo(50)}");
@@ -203,16 +202,15 @@ public partial class Utility
                 await uow.SaveChangesAsync();
             }
 
-            var gTime = ctx.Guild is null ? time : TimeZoneInfo.ConvertTime(time, _tz.GetTimeZoneOrUtc(ctx.Guild.Id));
+            // var gTime = ctx.Guild is null ? time : TimeZoneInfo.ConvertTime(time, _tz.GetTimeZoneOrUtc(ctx.Guild.Id));
             try
             {
                 await Response()
-                      .Confirm($"\u23f0 {GetText(strs.remind(
+                      .Confirm($"\u23f0 {GetText(strs.remind2(
                           Format.Bold(!isPrivate ? $"<#{targetId}>" : ctx.User.Username),
                           Format.Bold(message),
-                          ts.ToPrettyStringHm(),
-                          gTime,
-                          gTime))}")
+                          TimestampTag.FromDateTime(DateTime.UtcNow.Add(ts), TimestampTagStyles.Relative),
+                          TimestampTag.FormatFromDateTime(time, TimestampTagStyles.ShortDateTime)))}")
                       .SendAsync();
             }
             catch

src/NadekoBot/Modules/Xp/Xp.cs

@@ -2,6 +2,7 @@
 using NadekoBot.Modules.Xp.Services;
 using NadekoBot.Db.Models;
 using NadekoBot.Modules.Patronage;
+using NadekoBot.Modules.Utility;
 
 namespace NadekoBot.Modules.Xp;
 

src/NadekoBot/Modules/Xp/XpService.cs

@@ -1286,9 +1286,9 @@ public class XpService : INService, IReadyExecutor, IExecNoCommand
         Image? frame = null;
         if (item is null)
         {
-            if (patron.Tier == PatronTier.V)
+            if (patron?.Tier == PatronTier.V)
                 frame = Image.Load<Rgba32>(File.OpenRead("data/images/frame_silver.png"));
-            else if (patron.Tier >= PatronTier.X || _creds.IsOwner(userId))
+            else if (patron?.Tier >= PatronTier.X || _creds.IsOwner(userId))
                 frame = Image.Load<Rgba32>(File.OpenRead("data/images/frame_gold.png"));
         }
         else
@@ -1465,7 +1465,7 @@ public class XpService : INService, IReadyExecutor, IExecNoCommand
         {
             var patron = await _ps.GetPatronAsync(userId);
 
-            if ((int)patron.Tier < (int)req)
+            if (patron is null || (int)patron.Value.Tier < (int)req)
                 return BuyResult.InsufficientPatronTier;
         }