Added .banprune command which sets how many days worth of messages will be pruned when bot (soft)bans a person either through a command or another punishment feature. Also updated .next usage string.

src/NadekoBot/Db/Models/BanTemplate.cs

@@ -5,4 +5,5 @@ public class BanTemplate : DbEntity
 {
     public ulong GuildId { get; set; }
     public string Text { get; set; }
+    public int? PruneDays { get; set; }
 }

src/NadekoBot/Db/NadekoContext.cs

@@ -330,6 +330,10 @@ public abstract class NadekoContext : DbContext
         #region BanTemplate
 
         modelBuilder.Entity<BanTemplate>().HasIndex(x => x.GuildId).IsUnique();
+        modelBuilder.Entity<BanTemplate>()
+            .Property(x => x.PruneDays)
+            .HasDefaultValue(null)
+            .IsRequired(false);
 
         #endregion
 

src/NadekoBot/Migrations/MySql/20220831142722_banprune.cs

@@ -0,0 +1,25 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace NadekoBot.Migrations.Mysql
+{
+    public partial class banprune : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "prunedays",
+                table: "bantemplates",
+                type: "int",
+                nullable: true);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "prunedays",
+                table: "bantemplates");
+        }
+    }
+}

src/NadekoBot/Migrations/MySql/MysqlContextModelSnapshot.cs

@@ -675,6 +675,10 @@ namespace NadekoBot.Migrations.Mysql
                         .HasColumnType("bigint unsigned")
                         .HasColumnName("guildid");
 
+                    b.Property<int?>("PruneDays")
+                        .HasColumnType("int")
+                        .HasColumnName("prunedays");
+
                     b.Property<string>("Text")
                         .HasColumnType("longtext")
                         .HasColumnName("text");

src/NadekoBot/Migrations/Postgresql/20220831142735_banprune.cs

@@ -0,0 +1,25 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace NadekoBot.Migrations.PostgreSql
+{
+    public partial class banprune : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "prunedays",
+                table: "bantemplates",
+                type: "integer",
+                nullable: true);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "prunedays",
+                table: "bantemplates");
+        }
+    }
+}

src/NadekoBot/Migrations/Postgresql/PostgreSqlContextModelSnapshot.cs

@@ -705,6 +705,10 @@ namespace NadekoBot.Migrations.PostgreSql
                         .HasColumnType("numeric(20,0)")
                         .HasColumnName("guildid");
 
+                    b.Property<int?>("PruneDays")
+                        .HasColumnType("integer")
+                        .HasColumnName("prunedays");
+
                     b.Property<string>("Text")
                         .HasColumnType("text")
                         .HasColumnName("text");

src/NadekoBot/Migrations/Sqlite/20220831142504_banprune.cs

@@ -0,0 +1,25 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace NadekoBot.Migrations
+{
+    public partial class banprune : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "PruneDays",
+                table: "BanTemplates",
+                type: "INTEGER",
+                nullable: true);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "PruneDays",
+                table: "BanTemplates");
+        }
+    }
+}

src/NadekoBot/Migrations/Sqlite/NadekoSqliteContextModelSnapshot.cs

@@ -529,6 +529,9 @@ namespace NadekoBot.Migrations
                     b.Property<ulong>("GuildId")
                         .HasColumnType("INTEGER");
 
+                    b.Property<int?>("PruneDays")
+                        .HasColumnType("INTEGER");
+
                     b.Property<string>("Text")
                         .HasColumnType("TEXT");
 

src/NadekoBot/Modules/Administration/Mute/MuteService.cs

@@ -358,9 +358,10 @@ public class MuteService : INService
         IGuild guild,
         IUser user,
         TimeSpan after,
-        string reason)
+        string reason,
+        int pruneDays)
     {
-        await guild.AddBanAsync(user.Id, 0, reason);
+        await guild.AddBanAsync(user.Id, pruneDays, reason);
         await using (var uow = _db.GetDbContext())
         {
             var config = uow.GuildConfigsForId(guild.Id, set => set.Include(x => x.UnbanTimer));

src/NadekoBot/Modules/Administration/UserPunish/UserPunishCommands.cs

@@ -429,7 +429,8 @@ public partial class Administration
                 }
             }
 
-            await _mute.TimedBan(ctx.Guild, user, time.Time, (ctx.User + " | " + msg).TrimTo(512));
+            var banPrune = await _service.GetBanPruneAsync(ctx.Guild.Id) ?? 7;
+            await _mute.TimedBan(ctx.Guild, user, time.Time, (ctx.User + " | " + msg).TrimTo(512), banPrune);
             var toSend = _eb.Create()
                             .WithOkColor()
                             .WithTitle("⛔️ " + GetText(strs.banned_user))
@@ -455,7 +456,8 @@ public partial class Administration
             var user = await ((DiscordSocketClient)Context.Client).Rest.GetGuildUserAsync(ctx.Guild.Id, userId);
             if (user is null)
             {
-                await ctx.Guild.AddBanAsync(userId, 7, (ctx.User + " | " + msg).TrimTo(512));
+                var banPrune = await _service.GetBanPruneAsync(ctx.Guild.Id) ?? 7;
+                await ctx.Guild.AddBanAsync(userId, banPrune, (ctx.User + " | " + msg).TrimTo(512));
 
                 await ctx.Channel.EmbedAsync(_eb.Create()
                                                 .WithOkColor()
@@ -490,7 +492,8 @@ public partial class Administration
                 dmFailed = true;
             }
 
-            await ctx.Guild.AddBanAsync(user, 7, (ctx.User + " | " + msg).TrimTo(512));
+            var banPrune = await _service.GetBanPruneAsync(ctx.Guild.Id) ?? 7;
+            await ctx.Guild.AddBanAsync(user, banPrune, (ctx.User + " | " + msg).TrimTo(512));
 
             var toSend = _eb.Create()
                             .WithOkColor()
@@ -504,6 +507,26 @@ public partial class Administration
             await ctx.Channel.EmbedAsync(toSend);
         }
 
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.BanMembers)]
+        [BotPerm(GuildPerm.BanMembers)]
+        public async Task BanPrune(int days)
+        {
+            if (days < 0 || days > 7)
+            {
+                await ReplyErrorLocalizedAsync(strs.invalid_input);
+                return;
+            }
+            
+            await _service.SetBanPruneAsync(ctx.Guild.Id, days);
+            
+            if (days == 0)
+                await ReplyConfirmLocalizedAsync(strs.ban_prune_disabled);
+            else
+                await ReplyConfirmLocalizedAsync(strs.ban_prune(days));
+        }
+
         [Cmd]
         [RequireContext(ContextType.Guild)]
         [UserPerm(GuildPerm.BanMembers)]
@@ -655,7 +678,8 @@ public partial class Administration
                 dmFailed = true;
             }
 
-            await ctx.Guild.AddBanAsync(user, 7, ("Softban | " + ctx.User + " | " + msg).TrimTo(512));
+            var banPrune = await _service.GetBanPruneAsync(ctx.Guild.Id) ?? 7;
+            await ctx.Guild.AddBanAsync(user, banPrune, ("Softban | " + ctx.User + " | " + msg).TrimTo(512));
             try { await ctx.Guild.RemoveBanAsync(user); }
             catch { await ctx.Guild.RemoveBanAsync(user); }
 
@@ -822,11 +846,12 @@ public partial class Administration
 
             var banningMessage = await ctx.Channel.EmbedAsync(toSend);
 
+            var banPrune = await _service.GetBanPruneAsync(ctx.Guild.Id) ?? 7;
             foreach (var toBan in banning)
             {
                 try
                 {
-                    await ctx.Guild.AddBanAsync(toBan.Id, 7, $"{ctx.User} | Massban");
+                    await ctx.Guild.AddBanAsync(toBan.Id, banPrune, $"{ctx.User} | Massban");
                 }
                 catch (Exception ex)
                 {
@@ -865,10 +890,11 @@ public partial class Administration
                                                                .AddField(GetText(strs.invalid(missing)), missStr)
                                                                .WithPendingColor());
 
+            var banPrune = await _service.GetBanPruneAsync(ctx.Guild.Id) ?? 7;
             //do the banning
             await Task.WhenAll(bans.Where(x => x.Id.HasValue)
                                    .Select(x => ctx.Guild.AddBanAsync(x.Id.Value,
-                                       7,
+                                       banPrune,
                                        x.Reason,
                                        new()
                                        {

src/NadekoBot/Modules/Administration/UserPunish/UserPunishService.cs

@@ -1,5 +1,6 @@
 #nullable disable
 using LinqToDB;
+using LinqToDB.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore;
 using NadekoBot.Common.ModuleBehaviors;
 using NadekoBot.Common.TypeReaders.Models;
@@ -127,6 +128,7 @@ public class UserPunishService : INService, IReadyExecutor
         if (!await CheckPermission(guild, p))
             return;
 
+        int banPrune;
         switch (p)
         {
             case PunishmentAction.Mute:
@@ -151,13 +153,15 @@ public class UserPunishService : INService, IReadyExecutor
                 await user.KickAsync(reason);
                 break;
             case PunishmentAction.Ban:
+                banPrune = await GetBanPruneAsync(user.GuildId) ?? 7;
                 if (minutes == 0)
-                    await guild.AddBanAsync(user, reason: reason, pruneDays: 7);
+                    await guild.AddBanAsync(user, reason: reason, pruneDays: banPrune);
                 else
-                    await _mute.TimedBan(user.Guild, user, TimeSpan.FromMinutes(minutes), reason);
+                    await _mute.TimedBan(user.Guild, user, TimeSpan.FromMinutes(minutes), reason, banPrune);
                 break;
             case PunishmentAction.Softban:
-                await guild.AddBanAsync(user, 7, $"Softban | {reason}");
+                banPrune = await GetBanPruneAsync(user.GuildId) ?? 7;
+                await guild.AddBanAsync(user, banPrune, $"Softban | {reason}");
                 try
                 {
                     await guild.RemoveBanAsync(user);
@@ -489,6 +493,37 @@ public class UserPunishService : INService, IReadyExecutor
         uow.SaveChanges();
     }
 
+    public async Task SetBanPruneAsync(ulong guildId, int? pruneDays)
+    {
+        await using var ctx = _db.GetDbContext();
+        await ctx.BanTemplates
+            .ToLinqToDBTable()
+            .InsertOrUpdateAsync(() => new()
+                {
+                    GuildId = guildId,
+                    Text = null,
+                    DateAdded = DateTime.UtcNow,
+                    PruneDays = pruneDays
+                },
+                old => new()
+                {
+                    PruneDays = pruneDays
+                },
+                () => new()
+                {
+                    GuildId = guildId
+                });
+    }
+
+    public async Task<int?> GetBanPruneAsync(ulong guildId)
+    {
+        await using var ctx = _db.GetDbContext();
+        return await ctx.BanTemplates
+            .Where(x => x.GuildId == guildId)
+            .Select(x => x.PruneDays)
+            .FirstOrDefaultAsyncLinqToDB();
+    }
+
     public SmartText GetBanUserDmEmbed(
         ICommandContext context,
         IGuildUser target,

src/NadekoBot/data/aliases.yml

@@ -963,6 +963,8 @@ banmessagetest:
   - banmsgtest
 banmsgreset:
   - banmsgreset
+banprune:
+  - banprune
 timeout:
   - timeout
 wait:

src/NadekoBot/data/strings/commands/commands.en-US.yml

@@ -789,10 +789,9 @@ linux:
   args:
     - "Spyware Windows"
 next:
-  desc: "Goes to the next song in the queue. You have to be in the same voice channel as the bot. You can skip multiple songs, but in that case songs will not be requeued if {0}rcs or {0}rpl is enabled."
+  desc: "Goes to the next song in the queue. You have to be in the same voice channel as the bot"
   args:
     - ""
-    - "5"
 play:
   desc: "If no parameters are specified, acts as `{0}next 1` command. If you specify a song number, it will jump to that song. If you specify a search query, acts as a `{0}q` command"
   args:
@@ -1681,6 +1680,13 @@ banmsgreset:
   desc: "Resets ban message to default. If you want to completely disable ban messages, use `{0}banmsg -`"
   args:
     - ""
+banprune:
+  desc: |-
+    Sets how many days of messages will be deleted when a user is banned.
+    Only works if the user is banned via the .ban command or punishment.
+    Allowed values: 0 - 7
+  args:
+    - "3"
 wait:
   desc: "Used only as a startup command. Waits a certain number of miliseconds before continuing the execution of the following startup commands."
   args:

src/NadekoBot/data/strings/responses/responses.en-US.json

@@ -28,6 +28,8 @@
   "banmsg_default": "No ban message set. Default behavior will be used.",
   "banned_pl": "banned",
   "banned_user": "User Banned",
+  "ban_prune_disabled": "Banned user's messages will no longer be deleted.",
+  "ban_prune": "Bot will prune up to {0} day(s) worth of messages from banned user.",
   "timeoutdm": "You have been timed out in {0} server.\nReason: {1}",
   "timedout_user": "User Timed Out",
   "remove_roles_pl": "have had their roles removed",