laceside/model/applibrariesgateway.js

In-browser JavaScript IDE and execution environment

import { dbConfig } from "../config/dbconfig.js";

const pool = dbConfig.pool;

export var applibrariesgateway = (function () {
	return {
		getByAppID: function (appID) {
			return new Promise(function (resolve, reject) {
				pool.getConnection()
					.then(connection => {
						connection.query(`SELECT  libraryID
									FROM    appLibraries
									WHERE   appID = ? )`, [appID])
							.then((results) => {
								connection.end();
								resolve(results);
							})
							.catch(err => {
								//not connected
								connection.end();
								reject(err);
							});
					})
					.catch(err => {
						//not connected
						reject(err);
					});
			});
		},
		getByUserID: function (userID) {
			return new Promise(function (resolve, reject) {
				pool.getConnection()
					.then(connection => {
						connection.query(`SELECT  al.libraryID, al.appID
									FROM    appLibraries al
									JOIN    apps a ON al.appID = a.appID
									WHERE   a.userID = ?`, [userID])
							.then((results) => {
								connection.end();
								resolve(results);
							})
							.catch(err => {
								//not connected
								connection.end();
								reject(err);
							});
					})
					.catch(err => {
						//not connected
						reject(err);
					});
			});
		},
		deleteByAppID: function (appID, userID) {
			return new Promise(function (resolve, reject) {
				pool.getConnection()
					.then(connection => {
						connection.query(`DELETE
									FROM    appLibraries
									WHERE   appID = ?
									AND appID IN ( SELECT appID
													FROM  apps
													WHERE userID = ? )`, [appID, userID])
							.then((results) => {
								connection.end();
								resolve(results);
							})
							.catch(err => {
								//not connected
								connection.end();
								reject(err);
							});
					})
					.catch(err => {
						//not connected
						reject(err);
					});
			});
		},
		deleteByLibraryID: function (libraryID, userID) {
			return new Promise(function (resolve, reject) {
				pool.getConnection()
					.then(connection => {
						connection.query(`DELETE
									FROM    appLibraries
									WHERE   libraryID = ?
									AND libraryID IN ( SELECT libraryID
													FROM  libraries
													WHERE userID = ? )`, [libraryID, userID])
							.then((results) => {
								connection.end();
								resolve(results);
							})
							.catch(err => {
								//not connected
								connection.end();
								reject(err);
							});
					})
					.catch(err => {
						//not connected
						reject(err);
					});
			});
		}
	};
})();