Added GetAFK/Default/Embed/Owner extension methods to IGuild

src/Discord.Net/Extensions/GuildExtensions.cs

@@ -8,5 +8,24 @@ namespace Discord.Extensions
             => await guild.GetChannelAsync(id).ConfigureAwait(false) as ITextChannel;
         public static async Task<IVoiceChannel> GetVoiceChannelAsync(this IGuild guild, ulong id)
             => await guild.GetChannelAsync(id).ConfigureAwait(false) as IVoiceChannel;
+
+        public static async Task<IVoiceChannel> GetAFKChannelAsync(this IGuild guild)
+        {
+            var afkId = guild.AFKChannelId;
+            if (afkId.HasValue)
+                return await guild.GetChannelAsync(afkId.Value).ConfigureAwait(false) as IVoiceChannel;
+            return null;
+        }
+        public static async Task<ITextChannel> GetDefaultChannelAsync(this IGuild guild)
+            => await guild.GetChannelAsync(guild.DefaultChannelId).ConfigureAwait(false) as ITextChannel;
+        public static async Task<IVoiceChannel> GetEmbedChannelAsync(this IGuild guild)
+        {
+            var embedId = guild.EmbedChannelId;
+            if (embedId.HasValue) 
+                return await guild.GetChannelAsync(embedId.Value).ConfigureAwait(false) as IVoiceChannel;
+            return null;
+        }
+        public static async Task<IGuildUser> GetOwnerAsync(this IGuild guild)
+            => await guild.GetUserAsync(guild.OwnerId).ConfigureAwait(false);
     }
 }