Add message lookup and log channel setting commands

PluralKit.Bot/Commands/ModCommands.cs

@@ -0,0 +1,42 @@
+using System.Threading.Tasks;
+using Discord;
+using Discord.Commands;
+
+namespace PluralKit.Bot.Commands
+{
+    public class ModCommands: ModuleBase<PKCommandContext>
+    {
+        public LogChannelService LogChannels { get; set; }
+        public MessageStore Messages { get; set; }
+        
+        public EmbedService Embeds { get; set; }
+        
+        [Command("log")]
+        [Remarks("log <channel>")]
+        [RequireUserPermission(GuildPermission.ManageGuild, ErrorMessage = "You must have the Manage Server permission to use this command.")]
+        [RequireContext(ContextType.Guild, ErrorMessage = "This command can not be run in a DM.")]
+        public async Task SetLogChannel(ITextChannel channel = null)
+        {
+            await LogChannels.SetLogChannel(Context.Guild, channel);
+
+            if (channel != null)
+                await Context.Channel.SendMessageAsync($"{Emojis.Success} Proxy logging channel set to #{channel.Name}.");
+            else
+                await Context.Channel.SendMessageAsync($"{Emojis.Success} Proxy logging channel cleared.");
+        }
+
+        [Command("message")]
+        [Remarks("message <messageid>")]
+        public async Task GetMessage(ulong messageId)
+        {
+            var message = await Messages.Get(messageId);
+            if (message == null) throw Errors.MessageNotFound(messageId);
+
+            await Context.Channel.SendMessageAsync(embed: await Embeds.CreateMessageInfoEmbed(messageId));
+        }
+
+        [Command("message")]
+        [Remarks("message <messageid>")]
+        public async Task GetMessage(IMessage msg) => await GetMessage(msg.Id);
+    }
+}