feat: guild ban add/remove logging, store banned systems in database

2024-10-13 14:58:44 +02:00 · 2024-10-13 14:58:44 +02:00 · 8e030acaf3
commit 8e030acaf3
parent ca99bdfb94
12 changed files with 227 additions and 36 deletions
--- a/Catalogger.Backend/Bot/Responders/Guilds/GuildBanAddResponder.cs
+++ b/Catalogger.Backend/Bot/Responders/Guilds/GuildBanAddResponder.cs
@ -0,0 +1,90 @@
+using Catalogger.Backend.Cache.InMemoryCache;
+using Catalogger.Backend.Database;
+using Catalogger.Backend.Database.Queries;
+using Catalogger.Backend.Extensions;
+using Catalogger.Backend.Services;
+using Remora.Discord.API.Abstractions.Gateway.Events;
+using Remora.Discord.Extensions.Embeds;
+using Remora.Discord.Gateway.Responders;
+using Remora.Results;
+
+namespace Catalogger.Backend.Bot.Responders.Guilds;
+
+public class GuildBanAddResponder(
+    ILogger logger,
+    DatabaseContext db,
+    WebhookExecutorService webhookExecutor,
+    UserCache userCache,
+    AuditLogCache auditLogCache,
+    PluralkitApiService pluralkitApi
+) : IResponder<IGuildBanAdd>
+{
+    private readonly ILogger _logger = logger.ForContext<GuildBanAddResponder>();
+
+    public async Task<Result> RespondAsync(IGuildBanAdd evt, CancellationToken ct = default)
+    {
+        var guildConfig = await db.GetGuildAsync(evt.GuildID, ct);
+
+        // Delay 2 seconds for the audit log
+        await Task.Delay(2000, ct);
+
+        var embed = new EmbedBuilder()
+            .WithTitle("User banned")
+            .WithAuthor(evt.User.Tag(), null, evt.User.AvatarUrl())
+            .WithDescription($"<@{evt.User.ID}>")
+            .WithColour(DiscordUtils.Red)
+            .WithFooter($"User ID: {evt.User.ID}")
+            .WithCurrentTimestamp();
+
+        if (auditLogCache.TryGetBan(evt.GuildID, evt.User.ID, out var actionData))
+        {
+            embed.AddField(
+                "Responsible moderator",
+                await userCache.TryFormatUserAsync(actionData.ModeratorId)
+            );
+            embed.AddField("Reason", actionData.Reason ?? "No reason given");
+        }
+        else
+        {
+            embed.AddField("Responsible moderator", "*(unknown)*");
+            embed.AddField("Reason", "*(unknown)*");
+        }
+
+        // Get PluralKit system, if any, and add it to the guild's banned systems list
+        var pkSystem = await pluralkitApi.GetPluralKitSystemAsync(evt.User.ID.Value, ct);
+        if (pkSystem != null)
+        {
+            if (!guildConfig.IsSystemBanned(pkSystem))
+            {
+                _logger.Information(
+                    "PluralKit system {SystemHid} will be banned from guild {GuildId}",
+                    pkSystem.Id,
+                    evt.GuildID
+                );
+                guildConfig.BannedSystems.Add(pkSystem.Id);
+                guildConfig.BannedSystems.Add(pkSystem.Uuid.ToString());
+                db.Update(guildConfig);
+                await db.SaveChangesAsync(ct);
+            }
+
+            embed.AddField(
+                "PluralKit system",
+                $"""
+                **ID:** {pkSystem.Id}
+                **UUID:** `{pkSystem.Uuid}`
+                **Name:** {pkSystem.Name ?? "*(none)*"}
+                **Tag:** {pkSystem.Tag ?? "*(none)*"}
+
+                This system has been marked as banned. You will be warned if another account linked to this system joins.
+                """
+            );
+        }
+
+        webhookExecutor.QueueLog(
+            guildConfig,
+            LogChannelType.GuildBanAdd,
+            embed.Build().GetOrThrow()
+        );
+        return Result.Success;
+    }
+}