Refactor listeners

src/index.js

@@ -89,6 +89,7 @@ process.on('unhandledRejection', error => {
 const { selectPresence } = require('./utils/discord');
 const Cryptr = require('cryptr');
 const I18n = require('@eartharoid/i18n');
+const ListenerLoader = require('./modules/listeners/loader');
 const CommandManager = require('./modules/commands/manager');
 const PluginManager = require('./modules/plugins/manager');
 const TicketManager = require('./modules/tickets/manager');
@@ -150,7 +151,9 @@ class Bot extends Client {
 			this.setMaxListeners(this.config.max_listeners); // set the max listeners for each event
 	
 			require('./updater')(this); // check for updates
-			require('./modules/listeners')(this); // load internal listeners
+			
+			const listeners = new ListenerLoader(this);
+			listeners.load(); // load internal listeners
 
 			/** The ticket manager */
 			this.tickets = new TicketManager(this);

src/listeners/debug.js

@@ -1,6 +1,15 @@
-module.exports = {
+const EventListener = require('../modules/listeners/listener');
-	event: 'debug',
+
-	execute: (client, data) => {
+module.exports = class DebugEventListener extends EventListener {
-		if (client.config.debug) client.log.debug(data);
+	constructor(client) {
+		super(client, {
+			event: 'debug'
+		});
+	}
+
+	async execute(data) {
+		if (this.client.config.debug) {
+			this.client.log.debug(data);
+		}
 	}
 };

src/listeners/error.js

@@ -1,7 +1,14 @@
-module.exports = {
+const EventListener = require('../modules/listeners/listener');
-	event: 'error',
+
-	execute: (client, error) => {
+module.exports = class ErrorEventListener extends EventListener {
-		client.log.warn('The client encountered an error');
+	constructor(client) {
-		client.log.error(error);
+		super(client, {
+			event: 'error'
+		});
+	}
+
+	async execute(error) {
+		this.client.log.warn('The client encountered an error');
+		this.client.log.error(error);
 	}
 };

src/listeners/guildCreate.js

@@ -1,7 +1,14 @@
-module.exports = {
+const EventListener = require('../modules/listeners/listener');
-	event: 'guildCreate',
+
-	execute: async (client, guild) => {
+module.exports = class GuildCreateEventListener extends EventListener {
-		client.log.info(`Added to "${guild.name}"`);
+	constructor(client) {
+		super(client, {
+			event: 'guildCreate'
+		});
+	}
+
+	async execute(guild) {
+		this.client.log.info(`Added to "${guild.name}"`);
 		await guild.createSettings();
 	}
 };

src/listeners/guildDelete.js

@@ -1,7 +1,14 @@
-module.exports = {
+const EventListener = require('../modules/listeners/listener');
-	event: 'guildDelete',
+
-	execute: async (client, guild) => {
+module.exports = class GuildDeleteEventListener extends EventListener {
-		client.log.info(`Removed from "${guild.name}"`);
+	constructor(client) {
-		await guild.deleteSettings();
+		super(client, {
+			event: 'guildDelete'
+		});
+	}
+
+	async execute(guild) {
+		this.client.log.info(`Removed from "${guild.name}"`);
+		// await guild.deleteSettings();
 	}
 };

src/listeners/guildMemberRemove.js

@@ -1,7 +1,14 @@
-module.exports = {
+const EventListener = require('../modules/listeners/listener');
-	event: 'guildMemberRemove',
+
-	execute: async (client, member) => {
+module.exports = class GuildMemberRemoveEventListener extends EventListener {
-		let tickets = await client.db.models.Ticket.findAndCountAll({
+	constructor(client) {
+		super(client, {
+			event: 'guildMemberRemove'
+		});
+	}
+
+	async execute(member) {
+		let tickets = await this.client.db.models.Ticket.findAndCountAll({
 			where: {
 				creator: member.id,
 				guild: member.guild.id
@@ -9,9 +16,9 @@ module.exports = {
 		});
 
 		for (let ticket of tickets.rows) {
-			await client.tickets.close(ticket.id, null, member.guild.id, 'Member left the guild');
+			await this.client.tickets.close(ticket.id, null, member.guild.id, 'Member left the guild');
 		}
 
-		client.log.info(`Closed ${tickets.count} ticket(s) belonging to ${member.user.tag} who left "${member.guild.name}"`);
+		this.client.log.info(`Closed ${tickets.count} ticket(s) belonging to ${member.user.tag} who left "${member.guild.name}"`);
 	}
 };

src/listeners/message.js

@@ -1,16 +1,23 @@
+const EventListener = require('../modules/listeners/listener');
+
 const { MessageEmbed } = require('discord.js');
 const { footer } = require('../utils/discord');
 
-module.exports = {
+module.exports = class MessageEventListener extends EventListener {
-	event: 'message',
+	constructor(client) {
-	execute: async (client, message) => {
+		super(client, {
+			event: 'message'
+		});
+	}
+
+	async execute(message) {
 		if (!message.guild) return;
 
 		let settings = await message.guild.settings;
 		if (!settings) settings = await message.guild.createSettings();
-		const i18n = client.i18n.getLocale(settings.locale);
+		const i18n = this.client.i18n.getLocale(settings.locale);
 
-		let t_row = await client.db.models.Ticket.findOne({
+		let t_row = await this.client.db.models.Ticket.findOne({
 			where: {
 				id: message.channel.id
 			}
@@ -18,10 +25,10 @@ module.exports = {
 
 		if (t_row) {
 			if (settings.log_messages && !message.system) {
-				client.tickets.archives.addMessage(message); // add the message to the archives (if it is in a ticket channel)
+				this.client.tickets.archives.addMessage(message); // add the message to the archives (if it is in a ticket channel)
 			}
 
-			const ignore = [client.user.id, t_row.creator];
+			const ignore = [this.client.user.id, t_row.creator];
 			if (!t_row.first_response && !ignore.includes(message.author.id)) {
 				t_row.update({
 					first_response: new Date()
@@ -30,7 +37,7 @@ module.exports = {
 		} else {
 			if (message.author.bot) return;
 
-			let p_row = await client.db.models.Panel.findOne({
+			let p_row = await this.client.db.models.Panel.findOne({
 				where: {
 					channel: message.channel.id
 				}
@@ -41,13 +48,13 @@ module.exports = {
 
 				await message.delete();
 
-				let cat_row = await client.db.models.Category.findOne({
+				let cat_row = await this.client.db.models.Category.findOne({
 					where: {
 						id: p_row.categories
 					}
 				});
 
-				let tickets = await client.db.models.Ticket.findAndCountAll({
+				let tickets = await this.client.db.models.Ticket.findAndCountAll({
 					where: {
 						category: cat_row.id,
 						creator: message.author.id,
@@ -94,7 +101,7 @@ module.exports = {
 					}
 				} else {
 					try {
-						await client.tickets.create(message.guild.id, message.author.id, cat_row.id, message.cleanContent);
+						await this.client.tickets.create(message.guild.id, message.author.id, cat_row.id, message.cleanContent);
 					} catch (error) {
 						const embed = new MessageEmbed()
 							.setColor(settings.error_colour)
@@ -118,6 +125,7 @@ module.exports = {
 			}
 		}
 
-		client.commands.handle(message); // pass the message to the command handler
+		this.client.commands.handle(message); // pass the message to the command handler
 	}
 };
+

src/listeners/messageDelete.js

@@ -1,11 +1,18 @@
-module.exports = {
+const EventListener = require('../modules/listeners/listener');
-	event: 'messageDelete',
+
-	execute: async (client, message) => {
+module.exports = class MessageDeleteEventListener extends EventListener {
+	constructor(client) {
+		super(client, {
+			event: 'messageDelete'
+		});
+	}
+
+	async execute(message) {
 		if (!message.guild) return;
 
 		let settings = await message.guild.settings;
 		if (!settings) settings = await message.guild.createSettings();
 
-		if (settings.log_messages && !message.system) client.tickets.archives.deleteMessage(message); // mark the message as deleted in the database (if it exists)
+		if (settings.log_messages && !message.system) this.client.tickets.archives.deleteMessage(message); // mark the message as deleted in the database (if it exists)
 	}
 };

src/listeners/messageReactionAdd.js

@@ -1,36 +1,43 @@
+const EventListener = require('../modules/listeners/listener');
+
 const { MessageEmbed } = require('discord.js');
 const { footer } = require('../utils/discord');
 
-module.exports = {
+module.exports = class MessageReactionAddEventListener extends EventListener {
-	event: 'messageReactionAdd',
+	constructor(client) {
-	execute: async (client, r, u) => {
+		super(client, {
+			event: 'messageReactionAdd'
+		});
+	}
+
+	async execute(r, u) {
 		if (r.partial) r = await r.fetch();
 
 		if (u.partial) u = await u.fetch();
 
-		if (u.id === client.user.id) return;
+		if (u.id === this.client.user.id) return;
 
 		const guild = r.message.guild;
 		if (!guild) return;
 
 		let settings = await guild.settings;
 		if (!settings) settings = await guild.createSettings();
-		const i18n = client.i18n.getLocale(settings.locale);
+		const i18n = this.client.i18n.getLocale(settings.locale);
 
 		const channel = r.message.channel;
 		const member = await guild.members.fetch(u.id);
 
 		if (settings.blacklist.includes(u.id)) {
-			return client.log.info(`Ignoring blacklisted member ${u.tag}`);
+			return this.client.log.info(`Ignoring blacklisted member ${u.tag}`);
 		} else {
 			settings.blacklist.forEach(element => {
 				if (guild.roles.cache.has(element) && member.roles.cache.has(element)) {
-					return client.log.info(`Ignoring member ${u.tag} with blacklisted role`);
+					return this.client.log.info(`Ignoring member ${u.tag} with blacklisted role`);
 				}
 			});
 		}
 
-		let t_row = await client.db.models.Ticket.findOne({
+		let t_row = await this.client.db.models.Ticket.findOne({
 			where: {
 				id: channel.id
 			}
@@ -48,7 +55,7 @@ module.exports = {
 					VIEW_CHANNEL: true,
 				}, `Ticket claimed by ${member.user.tag}`);
 
-				let cat_row = await client.db.models.Category.findOne({
+				let cat_row = await this.client.db.models.Category.findOne({
 					where: {
 						id: t_row.category
 					}
@@ -60,7 +67,7 @@ module.exports = {
 					}, `Ticket claimed by ${member.user.tag}`);
 				}
 
-				client.log.info(`${member.user.tag} has claimed "${channel.name}" in "${guild.name}"`);
+				this.client.log.info(`${member.user.tag} has claimed "${channel.name}" in "${guild.name}"`);
 
 				await channel.send(
 					new MessageEmbed()
@@ -74,7 +81,7 @@ module.exports = {
 				await r.users.remove(u.id);
 			}
 		} else {
-			let p_row = await client.db.models.Panel.findOne({
+			let p_row = await this.client.db.models.Panel.findOne({
 				where: {
 					message: r.message.id
 				}
@@ -87,13 +94,13 @@ module.exports = {
 				let category_id = p_row.categories[r.emoji.name];
 				if (!category_id) return;
 
-				let cat_row = await client.db.models.Category.findOne({
+				let cat_row = await this.client.db.models.Category.findOne({
 					where: {
 						id: category_id
 					}
 				});
 
-				let tickets = await client.db.models.Ticket.findAndCountAll({
+				let tickets = await this.client.db.models.Ticket.findAndCountAll({
 					where: {
 						category: cat_row.id,
 						creator: u.id,
@@ -140,7 +147,7 @@ module.exports = {
 					}
 				} else {
 					try {
-						await client.tickets.create(guild.id, u.id, cat_row.id);
+						await this.client.tickets.create(guild.id, u.id, cat_row.id);
 					} catch (error) {
 						const embed = new MessageEmbed()
 							.setColor(settings.error_colour)
@@ -157,7 +164,7 @@ module.exports = {
 				}
 
 				if (response) {
-					setTimeout(async() => {
+					setTimeout(async () => {
 						await response.delete();
 					}, 15000);
 				}

src/listeners/messageUpdate.js

@@ -1,12 +1,18 @@
-module.exports = {
+const EventListener = require('../modules/listeners/listener');
-	event: 'messageUpdate',
-	execute: async (client, oldm, newm) => {
 
+module.exports = class MessageUpdateEventListener extends EventListener {
+	constructor(client) {
+		super(client, {
+			event: 'messageUpdate'
+		});
+	}
+
+	async execute(oldm, newm) {
 		if (newm.partial) {
 			try {
 				await newm.fetch();
 			} catch (err) {
-				return client.log.error(err);
+				return this.client.log.error(err);
 			}
 		}
 
@@ -15,6 +21,6 @@ module.exports = {
 		let settings = await newm.guild.settings;
 		if (!settings) settings = await newm.guild.createSettings();
 
-		if (settings.log_messages && !newm.system) client.tickets.archives.updateMessage(newm); // update the message in the database
+		if (settings.log_messages && !newm.system) this.client.tickets.archives.updateMessage(newm); // update the message in the database
 	}
 };

src/listeners/rateLimit.js

@@ -1,6 +1,13 @@
-module.exports = {
+const EventListener = require('../modules/listeners/listener');
-	event: 'rateLimit',
+
-	execute: (client, limit) => {
+module.exports = class RateLimitEventListener extends EventListener {
-		client.log.warn('Rate-limited!', limit);
+	constructor(client) {
+		super(client, {
+			event: 'rateLimit'
+		});
+	}
+
+	async execute(limit) {
+		this.client.log.warn('Rate-limited!', limit);
 	}
 };

src/listeners/ready.js

@@ -1,29 +1,34 @@
-module.exports = {
+const EventListener = require('../modules/listeners/listener');
-	event: 'ready',
-	once: true,
-	execute: async (client) => {
 
-		client.log.success(`Connected to Discord as "${client.user.tag}"`);
+module.exports = class ReadyEventListener extends EventListener {
+	constructor(client) {
+		super(client, {
+			event: 'ready',
+			once: true
+		});
+	}
 
-		client.commands.load(); // load internal commands
+	async execute() {
+		this.client.log.success(`Connected to Discord as "${this.client.user.tag}"`);
 
-		client.plugins.plugins.forEach(p => p.load()); // call load function for each plugin
+		this.client.commands.load(); // load internal commands
 
-		if (client.config.presence.presences.length > 1) {
+		this.client.plugins.plugins.forEach(p => p.load()); // call load function for each plugin
+
+		if (this.client.config.presence.presences.length > 1) {
 			const { selectPresence } = require('../utils/discord');
 			setInterval(() => {
 				let presence = selectPresence();
-				client.user.setPresence(presence);
+				this.client.user.setPresence(presence);
-				client.log.debug(`Updated presence: ${presence.activity.type} ${presence.activity.name}`);
+				this.client.log.debug(`Updated presence: ${presence.activity.type} ${presence.activity.name}`);
-			}, client.config.presence.duration * 1000);
+			}, this.client.config.presence.duration * 1000);
 		}
 
-		if(client.config.super_secret_setting) {
+		if (this.client.config.super_secret_setting) {
 			setInterval(async () => {
-				await client.postStats();
+				await this.client.postStats();
 			}, 3600000);
-			await client.postStats();
+			await this.client.postStats();
 		}
-		
 	}
 };

src/listeners/warn.js

@@ -1,6 +1,13 @@
-module.exports = {
+const EventListener = require('../modules/listeners/listener');
-	event: 'warn',
+
-	execute: (client, warning) => {
+module.exports = class WarnEventListener extends EventListener {
-		client.log.warn(warning);
+	constructor(client) {
+		super(client, {
+			event: 'warn'
+		});
+	}
+
+	async execute(warning) {
+		this.client.log.warn(warning);
 	}
 };

src/modules/listeners.js

@@ -1,17 +0,0 @@
-const fs = require('fs');
-const { path } = require('../utils/fs');
-
-module.exports = client => {
-	const files = fs.readdirSync(path('./src/listeners'))
-		.filter(file => file.endsWith('.js'));
-
-	for (const file of files) {
-		const listener = require(`../listeners/${file}`);
-		const exec = (...args) => listener.execute(client, ...args);
-		let on = listener.once ? 'once' : 'on';
-		if (listener.raw)
-			client.ws[on](listener.event, exec);
-		else
-			client[on](listener.event, exec);
-	}
-};

src/modules/listeners/listener.js

@@ -0,0 +1,10 @@
+module.exports = class EventListener {
+
+	constructor(client, data) {
+		this.client = client;
+		this.event = data.event;
+		this.raw = data.raw || false;
+		this.once = data.once || false;
+	}
+
+};

src/modules/listeners/loader.js

@@ -0,0 +1,38 @@
+const fs = require('fs');
+const { path } = require('../../utils/fs');
+
+/**
+ * Manages the loading of event listeners
+ */
+module.exports = class ListenerLoader {
+	/**
+	 * Create a ListenerLoader instance
+	 * @param {Client} client 
+	 */
+	constructor(client) {
+		/** The Discord Client */
+		this.client = client;
+	}
+
+	load() {
+		const files = fs.readdirSync(path('./src/listeners'))
+			.filter(file => file.endsWith('.js'));
+
+		for (let file of files) {
+			try {
+				file = require(`../../listeners/${file}`);
+				const listener = new file(this.client);
+				let on = listener.once ? 'once' : 'on';
+				if (listener.raw)
+					this.client.ws[on](listener.event, (...data) => listener.execute(...data));
+				else
+					this.client[on](listener.event, (...data) => listener.execute(...data));
+			} catch (e) {
+				this.client.log.warn('An error occurred whilst loading a listener');
+				this.client.log.error(e);
+			}
+		}
+
+	}
+
+};

src/updater.js

@@ -16,12 +16,12 @@ module.exports = async client => {
 	if (!semver.valid(latest)) return;
 
 	if (semver.lt(current, latest)) {
-		client.log.notice(client.log.f(`There is an update available for Discord Tickets (${current} -> ${update.tag_name})`));
+		client.log.notice(`There is an update available for Discord Tickets (${current} -> ${update.tag_name})`);
 
 		let lines = [
-			`&6You are currently using &c${current}&6, the latest is &a${update.tag_name}&6.`,
+			`&k&6You are currently using &c${current}&6, the latest is &a${update.tag_name}&6.&r`,
-			`&6Download "&f${update.name}&6" from`,
+			`&k&6Download "&f${update.name}&6" from&r`,
-			link('&6the GitHub releases page', 'https://github.com/discord-tickets/bot/releases/')
+			link('&k&6the GitHub releases page.&r&6', 'https://github.com/discord-tickets/bot/releases/')
 		];
 
 		console.log(