Update SequelizeProvider and do some other stuff

Procfile

@@ -1 +1 @@
-worker: node shardingmanager.js
+worker: node shardingmanager.js

index.js

@@ -10,8 +10,8 @@ const path = require('path');
 const { carbon, discordBots } = require('./structures/Stats');
 const SequelizeProvider = require('./providers/Sequelize');
 const Database = require('./structures/PostgreSQL');
-const database = new Database();
+
-database.start();
+Database.start();
 
 client.setProvider(new SequelizeProvider(Database.db));
 
@@ -74,13 +74,13 @@ client.on('guildCreate', async(guild) => {
     console.log(`[Count] ${count}`);
     try {
         await carbon(count);
-        console.log(`[Carbon] Successfully posted to Carbon.`);
+        console.log('[Carbon] Successfully posted to Carbon.');
     } catch(err) {
         console.log(`[Carbon] Failed to post to Carbon. ${err}`);
     }
     try {
         await discordBots(count, client.user.id);
-        console.log(`[Discord Bots] Successfully posted to Discord Bots.`);
+        console.log('[Discord Bots] Successfully posted to Discord Bots.');
     } catch(err) {
         console.log(`[Discord Bots] Failed to post to Discord Bots. ${err}`);
     }
@@ -93,13 +93,13 @@ client.on('guildDelete', async(guild) => {
     console.log(`[Count] ${count}`);
     try {
         await carbon(count);
-        console.log(`[Carbon] Successfully posted to Carbon.`);
+        console.log('[Carbon] Successfully posted to Carbon.');
     } catch(err) {
         console.log(`[Carbon] Failed to post to Carbon. ${err}`);
     }
     try {
         await discordBots(count, client.user.id);
-        console.log(`[Discord Bots] Successfully posted to Discord Bots.`);
+        console.log('[Discord Bots] Successfully posted to Discord Bots.');
     } catch(err) {
         console.log(`[Discord Bots] Failed to post to Discord Bots. ${err}`);
     }
@@ -120,6 +120,4 @@ client.on('ready', () => {
     client.user.setGame(`x;help | Shard ${client.shard.id}`);
 });
 
-process.on('unhandledRejection', console.error);
-
 client.login(process.env.TOKEN);

package.json

@@ -1,6 +1,6 @@
 {
   "name": "xiaobot",
-  "version": "18.6.1",
+  "version": "18.6.2",
   "description": "A Discord Bot",
   "main": "shardingmanager.js",
   "scripts": {

providers/Sequelize.js

@@ -12,20 +12,20 @@ class SequelizeProvider extends SettingProvider {
 	 */
 
 	/**
-	 * @param {PostgreSQLDatabase} db - Database for the provider
+	 * @param {SQLDatabase} db - Database for the provider
 	 */
 	constructor(db) {
 		super();
 
 		/**
 		 * Database that will be used for storing/retrieving settings
-		 * @type {PostgreSQLDatabase}
+		 * @type {SQLDatabase}
 		 */
 		this.db = db;
 
 		/**
 		 * Client that the provider is for (set once the client is ready, after using {@link CommandoClient#setProvider})
-		 * @name PostgreSQLProvider#client
+		 * @name SequelizeProvider#client
 		 * @type {CommandoClient}
 		 * @readonly
 		 */
@@ -57,7 +57,7 @@ class SequelizeProvider extends SettingProvider {
 				unique: true,
 				primaryKey: true
 			},
-			settings: { type: Sequelize.STRING }
+			settings: { type: Sequelize.TEXT }
 		});
 
 		/**
@@ -72,19 +72,19 @@ class SequelizeProvider extends SettingProvider {
 
 		// Load all settings
 		const rows = await this.model.findAll();
-		for(const row of rows) {
+		for (const row of rows) {
 			let settings;
 			try {
 				settings = JSON.parse(row.dataValues.settings);
-			} catch(err) {
+			} catch (err) {
-				client.emit('warn', `PostgreSQLProvider couldn't parse the settings stored for guild ${row.dataValues.guild}.`);
+				client.emit('warn', `SequelizeProvider couldn't parse the settings stored for guild ${row.dataValues.guild}.`);
 				continue;
 			}
 
 			const guild = row.dataValues.guild !== '0' ? row.dataValues.guild : 'global';
 
 			this.settings.set(guild, settings);
-			if(guild !== 'global' && !client.guilds.has(row.dataValues.guild)) continue;
+			if (guild !== 'global' && !client.guilds.has(row.dataValues.guild)) continue;
 			this.setupGuild(guild, settings);
 		}
 
@@ -95,27 +95,27 @@ class SequelizeProvider extends SettingProvider {
 			.set('groupStatusChange', (guild, group, enabled) => this.set(guild, `grp-${group.id}`, enabled))
 			.set('guildCreate', guild => {
 				const settings = this.settings.get(guild.id);
-				if(!settings) return;
+				if (!settings) return;
 				this.setupGuild(guild.id, settings);
 			})
 			.set('commandRegister', command => {
-				for(const [guild, settings] of this.settings) {
+				for (const [guild, settings] of this.settings) {
-					if(guild !== 'global' && !client.guilds.has(guild)) continue;
+					if (guild !== 'global' && !client.guilds.has(guild)) continue;
 					this.setupGuildCommand(client.guilds.get(guild), command, settings);
 				}
 			})
 			.set('groupRegister', group => {
-				for(const [guild, settings] of this.settings) {
+				for (const [guild, settings] of this.settings) {
-					if(guild !== 'global' && !client.guilds.has(guild)) continue;
+					if (guild !== 'global' && !client.guilds.has(guild)) continue;
 					this.setupGuildGroup(client.guilds.get(guild), group, settings);
 				}
 			});
-		for(const [event, listener] of this.listeners) client.on(event, listener);
+		for (const [event, listener] of this.listeners) client.on(event, listener);
 	}
 
 	destroy() {
 		// Remove all listeners from the client
-		for(const [event, listener] of this.listeners) this.client.removeListener(event, listener);
+		for (const [event, listener] of this.listeners) this.client.removeListener(event, listener);
 		this.listeners.clear();
 	}
 
@@ -127,32 +127,38 @@ class SequelizeProvider extends SettingProvider {
 	async set(guild, key, val) {
 		guild = this.constructor.getGuildID(guild);
 		let settings = this.settings.get(guild);
-		if(!settings) {
+		if (!settings) {
 			settings = {};
 			this.settings.set(guild, settings);
 		}
 
 		settings[key] = val;
-		await this.model.upsert({ guild: guild !== 'global' ? guild : '0', settings: JSON.stringify(settings) }, { where: { guild: guild !== 'global' ? guild : '0' } }); // eslint-disable-line max-len
+		await this.model.upsert(
-		if(guild === 'global') this.updateOtherShards(key, val);
+			{ guild: guild !== 'global' ? guild : '0', settings: JSON.stringify(settings) },
+			{ where: { guild: guild !== 'global' ? guild : '0' } }
+		);
+		if (guild === 'global') this.updateOtherShards(key, val);
 		return val;
 	}
 
 	async remove(guild, key) {
 		guild = this.constructor.getGuildID(guild);
 		const settings = this.settings.get(guild);
-		if(!settings || typeof settings[key] === 'undefined') return undefined;
+		if (!settings || typeof settings[key] === 'undefined') return undefined;
 
 		const val = settings[key];
 		settings[key] = undefined;
-		await this.model.upsert({ guild: guild !== 'global' ? guild : '0', settings: JSON.stringify(settings) }, { where: { guild: guild !== 'global' ? guild : '0' } }); // eslint-disable-line max-len
+		await this.model.upsert(
-		if(guild === 'global') this.updateOtherShards(key, undefined);
+			{ guild: guild !== 'global' ? guild : '0', settings: JSON.stringify(settings) },
+			{ where: { guild: guild !== 'global' ? guild : '0' } }
+		);
+		if (guild === 'global') this.updateOtherShards(key, undefined);
 		return val;
 	}
 
 	async clear(guild) {
 		guild = this.constructor.getGuildID(guild);
-		if(!this.settings.has(guild)) return;
+		if (!this.settings.has(guild)) return;
 		this.settings.delete(guild);
 		await this.model.destroy({ where: { guild: guild !== 'global' ? guild : '0' } });
 	}
@@ -164,18 +170,18 @@ class SequelizeProvider extends SettingProvider {
 	 * @private
 	 */
 	setupGuild(guild, settings) {
-		if(typeof guild !== 'string') throw new TypeError('The guild must be a guild ID or "global".');
+		if (typeof guild !== 'string') throw new TypeError('The guild must be a guild ID or "global".');
 		guild = this.client.guilds.get(guild) || null;
 
 		// Load the command prefix
-		if(typeof settings.prefix !== 'undefined') {
+		if (typeof settings.prefix !== 'undefined') {
-			if(guild) guild._commandPrefix = settings.prefix;
+			if (guild) guild._commandPrefix = settings.prefix;
 			else this.client._commandPrefix = settings.prefix;
 		}
 
 		// Load all command/group statuses
-		for(const command of this.client.registry.commands.values()) this.setupGuildCommand(guild, command, settings);
+		for (const command of this.client.registry.commands.values()) this.setupGuildCommand(guild, command, settings);
-		for(const group of this.client.registry.groups.values()) this.setupGuildGroup(guild, group, settings);
+		for (const group of this.client.registry.groups.values()) this.setupGuildGroup(guild, group, settings);
 	}
 
 	/**
@@ -186,9 +192,9 @@ class SequelizeProvider extends SettingProvider {
 	 * @private
 	 */
 	setupGuildCommand(guild, command, settings) {
-		if(typeof settings[`cmd-${command.name}`] === 'undefined') return;
+		if (typeof settings[`cmd-${command.name}`] === 'undefined') return;
-		if(guild) {
+		if (guild) {
-			if(!guild._commandsEnabled) guild._commandsEnabled = {};
+			if (!guild._commandsEnabled) guild._commandsEnabled = {};
 			guild._commandsEnabled[command.name] = settings[`cmd-${command.name}`];
 		} else {
 			command._globalEnabled = settings[`cmd-${command.name}`];
@@ -203,9 +209,9 @@ class SequelizeProvider extends SettingProvider {
 	 * @private
 	 */
 	setupGuildGroup(guild, group, settings) {
-		if(typeof settings[`grp-${group.id}`] === 'undefined') return;
+		if (typeof settings[`grp-${group.id}`] === 'undefined') return;
-		if(guild) {
+		if (guild) {
-			if(!guild._groupsEnabled) guild._groupsEnabled = {};
+			if (!guild._groupsEnabled) guild._groupsEnabled = {};
 			guild._groupsEnabled[group.id] = settings[`grp-${group.id}`];
 		} else {
 			group._globalEnabled = settings[`grp-${group.id}`];
@@ -219,7 +225,7 @@ class SequelizeProvider extends SettingProvider {
 	 * @private
 	 */
 	updateOtherShards(key, val) {
-		if(!this.client.shard) return;
+		if (!this.client.shard) return;
 		key = JSON.stringify(key);
 		val = typeof val !== 'undefined' ? JSON.stringify(val) : 'undefined';
 		this.client.shard.broadcastEval(`

shardingmanager.js

@@ -1,5 +1,3 @@
 const { ShardingManager } = require('discord.js');
 const Manager = new ShardingManager('./index.js', { token: process.env.TOKEN });
 Manager.spawn();
-
-process.on('unhandledRejection', console.error);

structures/PostgreSQL.js

@@ -6,7 +6,7 @@ class Database {
 		return database;
 	}
 
-	start() {
+	static start() {
 		database.authenticate()
 			.then(() => console.log('[Database] Connection has been established successfully.'))
 			.then(() => console.log('[Database] Synchronizing...'))

structures/Stats.js

@@ -1,10 +1,6 @@
 const request = require('superagent');
 
 class Stats {
-    constructor() {
-        throw new Error(`The ${this.constructor.name} class may not be instantiated.`);
-    }
-    
     static discordBots(server_count, userID) {
         return request
             .post(`https://bots.discord.pw/api/bots/${userID}/stats`)