feat: add help, invite, dashboard commands

Catalogger.Backend/Bot/Commands/MetaCommands.cs

@@ -20,6 +20,7 @@ using System.Text.Json;
 using System.Web;
 using Catalogger.Backend.Cache.InMemoryCache;
 using Catalogger.Backend.Extensions;
+using Catalogger.Backend.Services;
 using Humanizer;
 using Humanizer.Localisation;
 using Remora.Commands.Attributes;
@@ -49,12 +50,109 @@ public class MetaCommands(
     RoleCache roleCache,
     ChannelCache channelCache,
     EmojiCache emojiCache,
-    IDiscordRestChannelAPI channelApi
+    IDiscordRestChannelAPI channelApi,
+    PermissionResolverService permissionResolver
 ) : CommandGroup
 {
     private readonly ILogger _logger = logger.ForContext<MetaCommands>();
     private readonly HttpClient _client = new();
 
+    [Command("help")]
+    [Description("Learn more about Catalogger.")]
+    public async Task<IResult> HelpAsync()
+    {
+        var embed = new EmbedBuilder()
+            .WithColour(DiscordUtils.Purple)
+            .WithTitle("Catalogger")
+            .WithDescription(
+                """
+                A logging bot that integrates with PluralKit's message proxying.
+                Use `/configure-channels` to get started!
+                """
+            );
+
+        if (config.Discord.EnableDash)
+            embed.Description +=
+                $"\n\nYou can also use the dashboard for configuration: {config.Web.BaseUrl}";
+
+        embed.AddField(
+            "Configuration",
+            """
+            `/configure-channels`: Set which events will be logged to which channels
+            `/ignored-channels`: Set which channels will be ignored entirely
+            `/redirects`: Override where a channel's messages will be logged
+            `/key-roles`: Set which roles are treated as key roles and are logged with more detail than others
+            `/invites`: Manage invites and create new ones
+            `/check-permissions`: Check for any issues with logging
+            """
+        );
+
+        embed.AddField("Creator", "<@694563574386786314> / starshines.gay");
+        embed.AddField(
+            "Source code",
+            "https://codeberg.org/starshine/catalogger / Licensed under the GNU AGPL v3"
+        );
+
+        if (config.Discord.SupportGuild != null)
+            embed.AddField(
+                "Support",
+                $"Use this link to join the support server: {config.Discord.SupportGuild}"
+            );
+
+        return await feedbackService.ReplyAsync(
+            embeds: [embed.Build().GetOrThrow()],
+            isEphemeral: true
+        );
+    }
+
+    [Command("invite")]
+    [Description("Get a link to invite Catalogger to your server.")]
+    public async Task<IResult> InviteAsync()
+    {
+        var inviteUrl =
+            $"https://discord.com/oauth2/authorize?client_id={config.Discord.ApplicationId}"
+            + "&permissions=537250993&scope=bot+applications.commands";
+
+        return await feedbackService.ReplyAsync(
+            $"Use this link to invite Catalogger to your server: {inviteUrl}",
+            isEphemeral: true
+        );
+    }
+
+    [Command("dashboard")]
+    [Description("Get a link to the dashboard.")]
+    public async Task<IResult> DashboardLinkAsync()
+    {
+        if (!config.Discord.EnableDash)
+            return await feedbackService.ReplyAsync(
+                "The dashboard is not enabled for this version of Catalogger.",
+                isEphemeral: true
+            );
+
+        if (
+            contextInjection.Context?.TryGetGuildID(out var guildId) != true
+            || contextInjection.Context?.TryGetUserID(out var userId) != true
+        )
+            return await feedbackService.ReplyAsync(
+                $"The dashboard is available here: {config.Web.BaseUrl}",
+                isEphemeral: true
+            );
+
+        var perms = await permissionResolver.GetGuildPermissionsAsync(guildId, userId);
+        if (
+            perms.HasPermission(DiscordPermission.ManageGuild)
+            || perms.HasPermission(DiscordPermission.Administrator)
+        )
+            return await feedbackService.ReplyAsync(
+                $"The dashboard for this server is available here: {config.Web.BaseUrl}/dash/{guildId}"
+            );
+
+        return await feedbackService.ReplyAsync(
+            $"The dashboard is available here: {config.Web.BaseUrl}",
+            isEphemeral: true
+        );
+    }
+
     [Command("ping")]
     [Description("Ping pong! See the bot's latency")]
     public async Task<IResult> PingAsync()