Fixed delmsgoncmd, added CommandExecuted event

src/NadekoBot/Modules/Administration/Administration.cs

@@ -14,7 +14,6 @@ using Discord.WebSocket;
 using NadekoBot.Services.Database;
 using NadekoBot.Services.Database.Models;
 
-//todo fix delmsgoncmd
 namespace NadekoBot.Modules.Administration
 {
     [Module(".", AppendSpace = false)]
@@ -22,8 +21,32 @@ namespace NadekoBot.Modules.Administration
     {
         public Administration(ILocalization loc, CommandService cmds, DiscordSocketClient client) : base(loc, cmds, client)
         {
-
+            NadekoBot.CommandHandler.CommandExecuted += DelMsgOnCmd_Handler;
         }
+
+        private void DelMsgOnCmd_Handler(object sender, CommandExecutedEventArgs e)
+        {
+            try
+            {
+                var channel = e.Message.Channel as ITextChannel;
+                if (channel == null)
+                    return;
+
+                bool shouldDelete;
+                using (var uow = DbHandler.UnitOfWork())
+                {
+                    shouldDelete = uow.GuildConfigs.For(channel.Guild.Id).DeleteMessageOnCommand;
+                }
+
+                if (shouldDelete)
+                    e.Message.DeleteAsync();
+            }
+            catch (Exception ex)
+            {
+                _log.Warn(ex, "Delmsgoncmd errored...");
+            }
+        }
+
         ////todo owner only
         //[LocalizedCommand, LocalizedDescription, LocalizedSummary]
         //[RequireContext(ContextType.Guild)]
@@ -379,7 +402,6 @@ namespace NadekoBot.Modules.Administration
         public async Task CreatVoiChanl(IUserMessage umsg, [Remainder] string channelName)
         {
             var channel = (ITextChannel)umsg.Channel;
-            //todo actually print info about created channel
             var ch = await channel.Guild.CreateVoiceChannelAsync(channelName).ConfigureAwait(false);
             await channel.SendMessageAsync($"Created voice channel **{ch.Name}**, id `{ch.Id}`.").ConfigureAwait(false);
         }
@@ -399,7 +421,6 @@ namespace NadekoBot.Modules.Administration
         public async Task CreaTxtChanl(IUserMessage umsg, [Remainder] string channelName)
         {
             var channel = (ITextChannel)umsg.Channel;
-            //todo actually print info about created channel
             var txtCh = await channel.Guild.CreateTextChannelAsync(channelName).ConfigureAwait(false);
             await channel.SendMessageAsync($"Added text channel **{txtCh.Name}**, id `{txtCh.Id}`.").ConfigureAwait(false);
         }

src/NadekoBot/Services/CommandHandler.cs

@@ -17,6 +17,8 @@ namespace NadekoBot.Services
         private CommandService _commandService;
         private Logger _log;
 
+        public event EventHandler<CommandExecutedEventArgs> CommandExecuted = async delegate { };
+
         public CommandHandler(DiscordSocketClient client, CommandService commandService)
         {
             _client = client;
@@ -42,6 +44,7 @@ namespace NadekoBot.Services
                 var channel = (usrMsg.Channel as ITextChannel);
                 if (result.IsSuccess)
                 {
+                    CommandExecuted(this, new CommandExecutedEventArgs(usrMsg, command));
                     _log.Info("Command Executed after {4}s\n\t" +
                               "User: {0}\n\t" +
                               "Server: {1}\n\t" +
@@ -75,4 +78,16 @@ namespace NadekoBot.Services
             return Task.CompletedTask;
         }
     }
+
+    public class CommandExecutedEventArgs
+    {
+        public Command Command { get; }
+        public IUserMessage Message { get; }
+
+        public CommandExecutedEventArgs(IUserMessage msg, Command cmd)
+        {
+            Message = msg;
+            Command = cmd;
+        }
+    }
 }