Added .keep command which will add the current guild to the list of keptguilds. This is needed for the future database purge.

src/EllieBot/Modules/Administration/DangerousCommands/CleanupCommands.cs

@@ -27,5 +27,15 @@ public partial class Administration
                   .Confirm($"{result.GuildCount} guilds' data remain in the database.")
                   .SendAsync();
         }
+
+        [Cmd]
+        [RequireContext(ContextType.Guild)]
+        [UserPerm(GuildPerm.Administrator)]
+        public async Task Keep()
+        {
+            var result = await _svc.KeepGuild(Context.Guild.Id);
+
+            await Response().Text("This guild's bot data will be saved.").SendAsync();
+        }
     }
 }

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

@@ -1,6 +1,7 @@
 using LinqToDB;
 using LinqToDB.Data;
 using LinqToDB.EntityFrameworkCore;
+using LinqToDB.Mapping;
 using EllieBot.Common.ModuleBehaviors;
 using EllieBot.Db.Models;
 
@@ -75,7 +76,8 @@ public sealed class CleanupService : ICleanupService, IReadyExecutor, IEService
 
         // delete expressions
         await ctx.GetTable<EllieExpression>()
-                 .Where(x => x.GuildId != null && !tempTable.Select(x => x.GuildId)
+                 .Where(x => x.GuildId != null
+                             && !tempTable.Select(x => x.GuildId)
                                           .Contains(x.GuildId.Value))
                  .DeleteAsync();
 
@@ -105,13 +107,15 @@ public sealed class CleanupService : ICleanupService, IReadyExecutor, IEService
 
         // delete ignored users
         await ctx.GetTable<DiscordPermOverride>()
-                 .Where(x => x.GuildId != null && !tempTable.Select(x => x.GuildId)
+                 .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)
+                 .Where(x => x.GuildId != null
+                             && !tempTable.Select(x => x.GuildId)
                                           .Contains(x.GuildId.Value))
                  .DeleteAsync();
 
@@ -127,6 +131,24 @@ public sealed class CleanupService : ICleanupService, IReadyExecutor, IEService
         };
     }
 
+    public async Task<bool> KeepGuild(ulong guildId)
+    {
+        await using var db = _db.GetDbContext();
+        await using var ctx = db.CreateLinqToDBContext();
+
+        var table = ctx.CreateTable<KeptGuilds>(tableOptions: TableOptions.CheckExistence);
+
+        if (await table.AnyAsyncLinqToDB(x => x.GuildId == guildId))
+            return false;
+
+        await table.InsertAsync(() => new()
+        {
+            GuildId = guildId
+        });
+
+        return true;
+    }
+
     private ValueTask OnKeepReport(KeepReport report)
     {
         guildIds[report.ShardId] = report.GuildIds;
@@ -153,3 +175,9 @@ public sealed class CleanupService : ICleanupService, IReadyExecutor, IEService
         return default;
     }
 }
+
+public class KeptGuilds
+{
+    [PrimaryKey]
+    public ulong GuildId { get; set; }
+}

src/EllieBot/Modules/Administration/DangerousCommands/_common/ICleanupService.cs

@@ -3,4 +3,5 @@
 public interface ICleanupService
 {
     Task<KeepResult?> DeleteMissingGuildDataAsync();
+    Task<bool> KeepGuild(ulong guildId);
 }

src/EllieBot/data/aliases.yml

@@ -1417,3 +1417,5 @@ coins:
   - cryptos
 afk:
   - afk
+keep:
+  - keep

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

@@ -4599,3 +4599,10 @@ afk:
   params:
     - msg:
         desc: "The message to send when someone pings you."
+keep:
+  desc: |-
+    The current serve, won't be deleted from Ellie's database during the purge.
+  ex:
+    - ''
+  params:
+    - {}