1 files changed, 46 insertions, 0 deletions
diff --git a/DiscoBot/Auxiliary/CommandExtension.cs b/DiscoBot/Auxiliary/CommandExtension.cs
new file mode 100644
index 0000000..6690d03
--- /dev/null
+++ b/DiscoBot/Auxiliary/CommandExtension.cs
@@ -0,0 +1,46 @@
+namespace DiscoBot.Auxiliary
+{
+    using System;
+    using System.Collections.Generic;
+    using System.ComponentModel;
+    using System.Linq;
+    using System.Threading;
+    using System.Threading.Tasks;
+
+    using Discord;
+    using Discord.Commands;
+
+    public static class CommandExtension
+    {
+        public static async Task ReplyTimedAsync(this ModuleBase m, string message, TimeSpan time)
+        {
+            var token = message.GetHashCode();
+            var send = m.Context.Channel.SendMessageAsync($"#{token}\n```xl\n{message}```", true);
+
+            var barInvoker = new BackgroundWorker();
+            barInvoker.DoWork += delegate
+                {
+                    Thread.Sleep(time);
+                    Delete(token, m);
+                };
+
+            await send;
+            barInvoker.RunWorkerAsync();
+        }
+
+        private static void Delete(int token, ModuleBase m)
+        {
+            var messagesAsync = m.Context.Channel.GetMessagesAsync();
+            Task.WaitAll(messagesAsync.ToArray());
+            var list = messagesAsync.ToEnumerable().ToList();
+            var messages = new List<IMessage>();
+            foreach (var task in list)
+            {
+                messages.AddRange(task.ToList());
+            }
+
+            m.Context.Channel.DeleteMessagesAsync(
+                messages.Where(x => x.Content.StartsWith($"#{token}\n") && x.Author.IsBot));
+        }
+    }
+}