public CommandHandlerService(IServiceProvider services, DiscordSocketClient client, CommandService commands, PrefixManagerService pm)
 {
     this.services = services;
     this.client   = client;
     this.commands = commands;
     this.pm       = pm;
 }
        private async Task ProcessCommandAsync(SocketMessage arg)
        {
            // Source filter
            if (arg.Source != MessageSource.User)
            {
                return;
            }
            var message = (SocketUserMessage)arg;

            // Get the prefix
            string pfx;

            try
            {
                pfx = await GetPrefix(arg);
            }
            catch (Exception e)
            {
                string src = message.Channel is IGuildChannel gc ? $"{gc.Guild.Name} ({gc.Guild.Id})" : $"{message.Channel.Name}";
                Logger.GetLogger("Commands").Warning($"Failed to get prefix. {src}", e);
                return;
            }

            // Command check
            int argPos = 0;

            if (message.HasStringPrefix(pfx, ref argPos))
            {
                // Refresh the cached prefix
                if (message.Channel is IGuildChannel c)
                {
                    pm.RestoreCache(c.GuildId).Release();
                }
                var context = new SocketCommandContext(client, message);
                // Log message for debugging (doesn't check if the command exists)
                Logger.GetLogger("Commands").Debug($"Executing command: {GetExecutionInfo(context)}");
                // Execute command
                await commands.ExecuteAsync(context, argPos, services);
            }
            else if (message.Content.TrimEnd() == $"{pm.DefaultPrefix}prefix")
            {
                // Info
                var context = new SocketCommandContext(client, message);
                Logger.GetLogger("Commands").Debug($"Executing prefix get with default prefix: {GetExecutionInfo(context)}");
                var ts = await TranslationManager.CreateFor(context.Channel);

                message.Channel.SendMessageAsync(embed: EmbedFactory.CreateSuccess()
                                                 .WithTitle(ts.GetMessage("commands/prefix:embed_title"))
                                                 .WithDescription(MessageFormatter.Format(ts.GetMessage("commands/prefix:my_prefix_is"),
                                                                                          PrefixManagerService.PrettyPrefix(pfx)))
                                                 .Build()).Release();
            }
        }