laceside/model/librariesdao.js

In-browser JavaScript IDE and execution environment

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

const pool = dbConfig.pool;

export var librariesdao = (function () {
	return {
		create: function (libraryID, userID, link, name) {
			return new Promise(function (resolve, reject) {
				pool.getConnection()
					.then(connection => {
						connection.query(`INSERT INTO libraries ( libraryID, userID, link, name )
                            VALUES ( ?, ?, ?, ? )`, [libraryID, userID, link, name])
							.then((results) => {
								connection.end();
								resolve(libraryID);
							})
							.catch(err => {
								connection.end();
								reject(err);
							});
					})
					.catch(err => {
						reject(err);
					});
			});
		},

		read: function (libraryID) {
			return new Promise(function (resolve, reject) {
				pool.getConnection()
					.then(connection => {
						connection.query(`SELECT *
                            FROM libraries
                            WHERE libraryID = ?`, [libraryID])
							.then((results) => {
								connection.end();
								resolve(results[0]);
							})
							.catch(err => {
								connection.end();
								reject(err);
							});
					})
					.catch(err => {
						reject(err);
					});
			});
		},
		update: function (libraryID, userID, link, name) {
			return new Promise(function (resolve, reject) {
				pool.getConnection()
					.then(connection => {
						connection.query(`UPDATE libraries
                            SET link = ?,
                                name = ?
                            WHERE libraryID = ?
                            AND   userID = ?`, [link, name, libraryID, userID])
							.then((results) => {
								connection.end();
								resolve(true);
							})
							.catch(err => {
								connection.end();
								reject(err);
							});
					})
					.catch(err => {
						reject(err);
					});
			});
		},

		delete: function (libraryID, userID) {
			return new Promise(function (resolve, reject) {
				pool.getConnection()
					.then(connection => {
						connection.query(`DELETE FROM libraries
                          WHERE libraryID = ?
                          AND userID = ?`, [libraryID, userID])
							.then((results) => {
								connection.end();
								resolve(true); // successful delete
							})
							.catch(err => {
								connection.end();
								reject(err);
							});
					})
					.catch(err => {
						reject(err);
					});
			});
		}
	};

})();