Large refactor and project restructuring

PluralKit.Bot/Utils/DiscordUtils.cs

@@ -0,0 +1,32 @@
+using System.Threading.Tasks;
+
+using Discord;
+
+namespace PluralKit.Bot
+{
+    public static class DiscordUtils
+    {
+        public static string NameAndMention(this IUser user) {
+            return $"{user.Username}#{user.Discriminator} ({user.Mention})";
+        }
+        
+        public static async Task<ChannelPermissions> PermissionsIn(this IChannel channel)
+        {
+            switch (channel)
+            {
+                case IDMChannel _:
+                    return ChannelPermissions.DM;
+                case IGroupChannel _:
+                    return ChannelPermissions.Group;
+                case IGuildChannel gc:
+                    var currentUser = await gc.Guild.GetCurrentUserAsync();
+                    return currentUser.GetPermissions(gc);
+                default:
+                    return ChannelPermissions.None;
+            }
+        }
+
+        public static async Task<bool> HasPermission(this IChannel channel, ChannelPermission permission) =>
+            (await PermissionsIn(channel)).Has(permission);
+    }
+}