feat: redirect commands

Catalogger.Backend/Bot/Commands/IgnoreChannelCommands.cs

@@ -166,7 +166,7 @@ public class IgnoreChannelCommands(
             var value = string.Join("\n", visibleCategories.Select(c => $"<#{c.Id}>"));
             if (nonVisibleCategories != 0)
                 value +=
-                    $"\n\n{nonVisibleCategories} channel(s) were ignored as you do not have access to them.";
+                    $"\n\n{nonVisibleCategories} channel(s) are not shown as you do not have access to them.";
 
             embed.AddField("Categories", value);
         }
@@ -183,7 +183,7 @@ public class IgnoreChannelCommands(
             var value = string.Join("\n", visibleBase.Select(c => $"<#{c.Id}>"));
             if (nonVisibleBase != 0)
                 value +=
-                    $"\n\n{nonVisibleBase} channel(s) were ignored as you do not have access to them.";
+                    $"\n\n{nonVisibleBase} channel(s) are not shown as you do not have access to them.";
 
             embed.AddField("Channels", value);
         }

Catalogger.Backend/Bot/Commands/InviteCommands.cs

@@ -90,6 +90,12 @@ public class InviteCommands(
             ))
             .ToList();
 
+        if (fields.Count == 0)
+            return await feedbackService.ReplyAsync(
+                "No invites found for this server.",
+                isEphemeral: true
+            );
+
         return await feedbackService.SendContextualPaginatedMessageAsync(
             userId,
             DiscordUtils.PaginateFields(

Catalogger.Backend/Bot/Commands/MetaCommands.cs

@@ -46,6 +46,7 @@ public class MetaCommands(
     IFeedbackService feedbackService,
     ContextInjectionService contextInjection,
     GuildCache guildCache,
+    RoleCache roleCache,
     ChannelCache channelCache,
     EmojiCache emojiCache,
     IDiscordRestChannelAPI channelApi
@@ -109,7 +110,8 @@ public class MetaCommands(
         embed.AddField(
             "Numbers",
             $"{CataloggerMetrics.MessagesStored.Value:N0} messages "
-                + $"from {guildCache.Size:N0} servers\nCached {channelCache.Size:N0} channels, {emojiCache.Size:N0}",
+                + $"from {guildCache.Size:N0} servers\n"
+                + $"Cached {channelCache.Size:N0} channels, {roleCache.Size:N0} roles, {emojiCache.Size:N0} emojis",
             false
         );
 

Catalogger.Backend/Bot/Commands/RedirectCommands.cs

@@ -0,0 +1,196 @@
+// Copyright (C) 2021-present sam (starshines.gay)
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published
+// by the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+using System.ComponentModel;
+using Catalogger.Backend.Cache.InMemoryCache;
+using Catalogger.Backend.Database;
+using Catalogger.Backend.Database.Queries;
+using Catalogger.Backend.Extensions;
+using Remora.Commands.Attributes;
+using Remora.Commands.Groups;
+using Remora.Discord.API.Abstractions.Objects;
+using Remora.Discord.API.Objects;
+using Remora.Discord.Commands.Attributes;
+using Remora.Discord.Commands.Feedback.Services;
+using Remora.Discord.Commands.Services;
+using Remora.Discord.Pagination.Extensions;
+using IResult = Remora.Results.IResult;
+
+namespace Catalogger.Backend.Bot.Commands;
+
+[Group("redirects")]
+[Description("Commands for configuring log redirects.")]
+[DiscordDefaultMemberPermissions(DiscordPermission.ManageGuild)]
+public class RedirectCommands(
+    DatabaseContext db,
+    GuildCache guildCache,
+    ChannelCache channelCache,
+    ContextInjectionService contextInjectionService,
+    FeedbackService feedbackService
+) : CommandGroup
+{
+    [Command("add")]
+    [Description("Redirect message logs from a channel or category to another channel.")]
+    public async Task<IResult> AddRedirectAsync(
+        [ChannelTypes(
+            ChannelType.GuildCategory,
+            ChannelType.GuildText,
+            ChannelType.GuildAnnouncement,
+            ChannelType.GuildForum,
+            ChannelType.GuildMedia,
+            ChannelType.GuildVoice
+        )]
+        [Description("The channel to redirect logs from")]
+            IChannel source,
+        [ChannelTypes(ChannelType.GuildText)]
+        [Description("The channel to redirect logs to")]
+            IChannel target
+    )
+    {
+        var (_, guildId) = contextInjectionService.GetUserAndGuild();
+        var guildConfig = await db.GetGuildAsync(guildId);
+        guildConfig.Channels.Redirects[source.ID.Value] = target.ID.Value;
+        db.Update(guildConfig);
+        await db.SaveChangesAsync();
+
+        var output =
+            $"Success! Edited and deleted messages from {FormatChannel(source)} will now be redirected to <#{target.ID}>.";
+
+        // Notify the user if the channel they started redirecting from was already covered by a category-level redirect.
+        if (
+            source.ParentID.IsDefined(out var parentId)
+            && guildConfig.Channels.Redirects.TryGetValue(
+                parentId.Value.Value,
+                out var parentRedirect
+            )
+            && parentRedirect != 0
+        )
+        {
+            output +=
+                $"\n**Note:** channels from the category {FormatChannel(source)} is in were already being redirected to <#{parentRedirect}>.";
+        }
+
+        return await feedbackService.ReplyAsync(output);
+    }
+
+    [Command("remove")]
+    [Description("Stop redirecting message logs from a channel.")]
+    public async Task<IResult> RemoveRedirectAsync(
+        [ChannelTypes(
+            ChannelType.GuildCategory,
+            ChannelType.GuildText,
+            ChannelType.GuildAnnouncement,
+            ChannelType.GuildForum,
+            ChannelType.GuildMedia,
+            ChannelType.GuildVoice
+        )]
+            IChannel source
+    )
+    {
+        var (_, guildId) = contextInjectionService.GetUserAndGuild();
+        var guildConfig = await db.GetGuildAsync(guildId);
+
+        var wasSet = guildConfig.Channels.Redirects.Remove(source.ID.Value);
+        var output = wasSet
+            ? $"Removed the redirect for {FormatChannel(source)}! Message logs from"
+                + $"{(source.Type == ChannelType.GuildCategory ? "that category's channels" : "that channel")}"
+                + "will now be logged to the default channel, if any."
+            : $"Message logs from {FormatChannel(source)} were already not being redirected to another channel.";
+
+        // Warn the user if this is a non-category channel and *all* of this category's channels are being redirected.
+        if (
+            source.ParentID.IsDefined(out var parentId)
+            && guildConfig.Channels.Redirects.TryGetValue(
+                parentId.Value.Value,
+                out var parentRedirect
+            )
+            && parentRedirect != 0
+        )
+        {
+            var parentChannelName = $"<#{parentId}>";
+            if (channelCache.TryGet(parentId.Value, out var parentChannel))
+                parentChannelName = parentChannel.Name.Value!;
+
+            if (wasSet)
+                output +=
+                    $"\nHowever, all channels in the {parentChannelName} category are being redirected to <#{parentRedirect}>, "
+                    + $"so removing the redirect for {FormatChannel(source)} will not take effect until that is removed as well.";
+            else
+                output +=
+                    $"\nHowever, all channels in the {parentChannelName} category are being redirected to <#{parentRedirect}>.";
+        }
+
+        db.Update(guildConfig);
+        await db.SaveChangesAsync();
+
+        return await feedbackService.ReplyAsync(output);
+    }
+
+    [Command("list")]
+    [Description("List currently redirected channels.")]
+    public async Task<IResult> ListRedirectsAsync()
+    {
+        var (userId, guildId) = contextInjectionService.GetUserAndGuild();
+        if (!guildCache.TryGet(guildId, out var guild))
+            throw new CataloggerError("Guild was not cached");
+        var guildChannels = channelCache.GuildChannels(guildId).ToList();
+        var guildConfig = await db.GetGuildAsync(guildId);
+
+        var fields = new List<IEmbedField>();
+
+        foreach (var (source, target) in guildConfig.Channels.Redirects)
+        {
+            fields.Add(
+                new EmbedField(
+                    Name: FormatChannelHeader(
+                        source,
+                        guildChannels.FirstOrDefault(c => c.ID.Value == source)
+                    ),
+                    Value: FormatChannelText(
+                        target,
+                        guildChannels.FirstOrDefault(c => c.ID.Value == target)
+                    ),
+                    IsInline: false
+                )
+            );
+        }
+
+        if (fields.Count == 0)
+            return await feedbackService.ReplyAsync(
+                "No channels are being redirected right now.",
+                isEphemeral: true
+            );
+
+        return await feedbackService.SendContextualPaginatedMessageAsync(
+            userId,
+            DiscordUtils.PaginateFields(fields, $"Channel redirects for {guild.Name}")
+        );
+    }
+
+    private static string FormatChannel(IChannel channel) =>
+        channel.Type == ChannelType.GuildCategory ? channel.Name.Value! : $"<#{channel.ID}>";
+
+    private static string FormatChannelHeader(ulong id, IChannel? channel) =>
+        channel != null
+            ? channel.Type == ChannelType.GuildCategory
+                ? $"Category {channel.Name}"
+                : $"#{channel.Name}"
+            : $"*unknown channel {id}*";
+
+    private static string FormatChannelText(ulong id, IChannel? channel) =>
+        channel != null
+            ? $"#{channel.Name} (<#{channel.ID}>)"
+            : $"*unknown channel {id}* (<#{id}>)";
+}