From b01670dcbfb379a48b49e320c2d232b0ebce78a5 Mon Sep 17 00:00:00 2001
From: Emily J <me@emily.im>
Date: Wed, 21 Oct 2020 18:57:00 +1100
Subject: [PATCH] (WIP) message handler

---
 bot/util/handlers/messageHandler.js | 90 +++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)

diff --git a/bot/util/handlers/messageHandler.js b/bot/util/handlers/messageHandler.js
index e69de29..ee991a1 100644
--- a/bot/util/handlers/messageHandler.js
+++ b/bot/util/handlers/messageHandler.js
@@ -0,0 +1,90 @@
+class MessageHandler {
+    constructor (client) {
+        this.client = client;
+    }
+
+    async handle (message) {
+        if (message.author.bot) return;
+
+        const prefixes = [];
+        const data = {};
+
+        data.user = await this.client.db.getUser(message.author.id);
+        prefixes.push(data.user.prefix);
+
+        if (message.channel.guild) {
+            if (!message.channel.permissionsOf(this.client.user.id).has('sendMessages')) return;
+            data.guild = await this.client.db.getGuild(message.channel.guild.id);
+            data.member = await this.client.db.getMember(message.channel.guild.id, message.author.id);
+            prefixes.push(data.guild.prefix);
+
+            if (data.guild.blacklist.includes(message.author.id)) return;
+
+            if (message.content === `<@${this.client.user.id}>` || message.content === `<@!${this.client.user.id}>`) {
+                return message.channel.createMessage(`Hi! The server prefix is \`${data.guild.prefix}\`, and your personal prefix is \`${data.user.prefix}\`. You can also ping me ^-^`);
+            }
+        }
+        
+        if (message.content === `<@${this.client.user.id}>` || message.content === `<@!${this.client.user.id}>`) {
+            return message.channel.createMessage(`Hi! Your personal prefix is \`${data.user.prefix}\`. You can also ping me ^-^`);
+        }
+
+        prefixes.push(`<@${this.client.user.id}> `, `<@!${this.client.user.id}> `);
+
+        let prefix;
+
+        for (const thisPrefix of prefixes) {
+            if (message.content.startsWith(thisPrefix)) {
+                prefix = thisPrefix;
+                break;
+            }
+        }
+
+        if (!prefix) return;
+
+        const args = message.content.slice(prefix.length).trim().split(/ +/g);
+        const commandName = args.shift().toLowerCase();
+        const command = this.client.commands.get(commandName) || this.client.commands.get(this.client.aliases.get(commandName));
+    
+        if (!command) return;
+
+        if (message.channel.guild) {
+            if (data.guild.disabledcommands.includes(command.name)) return message.channel.createMessage(
+                'This command has been disabled by a server administrator.'
+            );
+
+            if (data.guild.disabledcategories.includes(command.category)) return message.channel.createMessage(
+                'The category this command is apart of has been disabled by a server administrator.'
+            );
+
+            const missingUserPerms = this.client.helpers.checkPermissions(command, message);
+            if (missingUserPerms) return message.channel.createMessage(
+                `You can't use this command because you lack these permissions: \`${missingUserPerms.join('`, `')}\``
+            );
+
+            const missingBotPerms = this.client.helpers.checkPermissions(command, message);
+            if (missingBotPerms) return message.channel.createMessage(
+                `I can't run this command because I lack these permissions: \`${missingUserPerms.join('`, `')}\``
+            );
+        }
+
+        if (command.enabled === false) return message.channel.createMessage('This command has been disabled by my developers.');
+        
+        if (command.devOnly === true && this.client.helpers.isDeveloper(message.author.id) !== true) {
+            return message.channel.send('This command\'s usage is restricted to developers only. Sorry!');
+        } 
+
+        if (command.guildOnly === true && !message.channel.guild) {
+            return message.channel.createMessage('This command is unavailable in DM\'s, try running it in a server instead!');
+        }
+
+        try {
+            command.run(this.client, message, args, data);
+            this.client.logger.command(`Ran ${command.name}`);
+        } catch (error) {
+            this.client.logger.error('COMMAND_EXECUTION_ERROR', `${command.name}: ${error}`);
+        }
+    }
+}
+
+module.exports = MessageHandler;
\ No newline at end of file