Renamed PluginManager to DiscordBotCore.

Revamped the Logger

DiscordBotCore/Bot/CommandHandler.cs

@@ -0,0 +1,158 @@
+using System;
+using System.Linq;
+using System.Reflection;
+using System.Threading.Tasks;
+using Discord.Commands;
+using Discord.WebSocket;
+using DiscordBotCore.Interfaces;
+using DiscordBotCore.Loaders;
+using DiscordBotCore.Others;
+using DiscordBotCore.Others.Permissions;
+
+namespace DiscordBotCore.Bot;
+
+internal class CommandHandler
+{
+    private readonly string                _botPrefix;
+    private readonly DiscordSocketClient   _client;
+    private readonly CommandService        _commandService;
+
+    /// <summary>
+    ///     Command handler constructor
+    /// </summary>
+    /// <param name="client">The discord bot client</param>
+    /// <param name="commandService">The discord bot command service</param>
+    /// <param name="botPrefix">The prefix to watch for</param>
+    public CommandHandler(DiscordSocketClient client, CommandService commandService, string botPrefix)
+    {
+        _client         = client;
+        _commandService = commandService;
+        _botPrefix      = botPrefix;
+    }
+
+    /// <summary>
+    ///     The method to initialize all commands
+    /// </summary>
+    /// <returns></returns>
+    public async Task InstallCommandsAsync()
+    {
+        _client.MessageReceived      += MessageHandler;
+        _client.SlashCommandExecuted += Client_SlashCommandExecuted;
+        await _commandService.AddModulesAsync(Assembly.GetEntryAssembly(), null);
+    }
+
+    private Task Client_SlashCommandExecuted(SocketSlashCommand arg)
+    {
+        try
+        {
+            var plugin = PluginLoader.SlashCommands.FirstOrDefault(p => p.Name == arg.Data.Name);
+
+            if (plugin is null)
+                throw new Exception("Failed to run command !");
+
+            if (arg.Channel is SocketDMChannel)
+                plugin.ExecuteDM(arg);
+            else plugin.ExecuteServer(arg);
+        }
+        catch (Exception ex)
+        {
+            Application.CurrentApplication.Logger.LogException(ex, this);
+        }
+
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    ///     The message handler for the bot
+    /// </summary>
+    /// <param name="Message">The message got from the user in discord chat</param>
+    /// <returns></returns>
+    private async Task MessageHandler(SocketMessage Message)
+    {
+        try
+        {
+            if (Message.Author.IsBot)
+                return;
+
+            if (Message as SocketUserMessage == null)
+                return;
+
+            var message = Message as SocketUserMessage;
+
+            if (message is null)
+                return;
+
+            var argPos = 0;
+
+            if (!message.Content.StartsWith(_botPrefix) && !message.HasMentionPrefix(_client.CurrentUser, ref argPos))
+                return;
+
+            var context = new SocketCommandContext(_client, message);
+
+            await _commandService.ExecuteAsync(context, argPos, null);
+
+            DBCommand? plugin;
+            var        cleanMessage = "";
+
+            if (message.HasMentionPrefix(_client.CurrentUser, ref argPos))
+            {
+                var mentionPrefix = "<@" + _client.CurrentUser.Id + ">";
+
+                plugin = PluginLoader.Commands!
+                                     .FirstOrDefault(plug => plug.Command ==
+                                                             message.Content.Substring(mentionPrefix.Length + 1)
+                                                                    .Split(' ')[0] ||
+                                                             plug.Aliases is not null &&
+                                                             plug.Aliases.Contains(message.CleanContent
+                                                                                          .Substring(mentionPrefix.Length + 1)
+                                                                                          .Split(' ')[0]
+                                                             )
+                                     );
+
+                cleanMessage = message.Content.Substring(mentionPrefix.Length + 1);
+            }
+
+            else
+            {
+                plugin = PluginLoader.Commands!
+                                     .FirstOrDefault(p => p.Command ==
+                                                          message.Content.Split(' ')[0].Substring(_botPrefix.Length) ||
+                                                          p.Aliases is not null &&
+                                                          p.Aliases.Contains(
+                                                              message.Content.Split(' ')[0]
+                                                                     .Substring(_botPrefix.Length)
+                                                          )
+                                     );
+                cleanMessage = message.Content.Substring(_botPrefix.Length);
+            }
+
+            if (plugin is null)
+                return;
+
+            if (plugin.requireAdmin && !context.Message.Author.IsAdmin())
+                return;
+
+            var split = cleanMessage.Split(' ');
+
+            string[]? argsClean = null;
+            if (split.Length > 1)
+                argsClean = string.Join(' ', split, 1, split.Length - 1).Split(' ');
+
+            DbCommandExecutingArguments cmd = new(context, cleanMessage, split[0], argsClean);
+
+            Application.CurrentApplication.Logger.Log(
+                $"User ({context.User.Username}) from Guild \"{context.Guild.Name}\" executed command \"{cmd.cleanContent}\"",
+                typeof(CommandHandler),
+                LogType.INFO
+            );
+
+            if (context.Channel is SocketDMChannel)
+                plugin.ExecuteDM(cmd);
+            else plugin.ExecuteServer(cmd);
+        }
+        catch (Exception ex)
+        {
+            Application.CurrentApplication.Logger.LogException(ex, this);
+        }
+    }
+}