Adding new clear command in new Module / Fodler based system.

ChaosBot/Discord/Modules/Admin/Clear.cs

@@ -0,0 +1,35 @@
+using System;
+using Discord;
+using Discord.Commands;
+using System.Threading.Tasks;
+using System.Collections.Generic;
+using ChaosBot.Discord.PreConditions;
+using NLog;
+
+namespace ChaosBot.Discord.Modules.Admin
+{
+    public class Clear : ModuleBase
+    {
+        private static readonly ILogger _logger = Program.Logger;
+        
+        [Command("clear")]
+        [Alias("purge")]
+        [CheckCommandPerm]
+        public async Task ClearCommand(int msgtoDelete = 1)
+        {
+            try
+            {
+                IEnumerable<IMessage> messages = await Context.Channel.GetMessagesAsync(msgtoDelete + 1).FlattenAsync();
+                await ((ITextChannel) Context.Channel).DeleteMessagesAsync(messages);
+                const int delay = 3000;
+                IUserMessage m = await ReplyAsync($"{msgtoDelete} messages deleted.");
+                await Task.Delay(delay);
+                await m.DeleteAsync();
+            }
+            catch (Exception ex)
+            {
+                _logger.Error($"AdminCommands.ClearCommand: Exception [{ex}] thrown, <[{ex.Message}]>.");
+            }
+        }
+    }
+}