laceside/model/filepartdao.js

In-browser JavaScript IDE and execution environment

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

const pool = dbConfig.pool;

export var filepartdao = (function () {
	return {
		create: function (fileId, filepath, filepart, parts) {
			return new Promise(function (resolve, reject) {
				pool.getConnection()
					.then(connection => {
						connection.query(`INSERT INTO filepart ( fileId, filepath, filepart, parts )
                                VALUES ( ?, ?, ?, ? )`, [fileId, filepath, filepart, parts])
							.then((results) => {
								connection.end();
								resolve(true);
							})
							.catch(err => {
								connection.end();
								reject(err);
							});
					})
					.catch(err => {
						reject(err);
					});
			});
		},
		read: function (fileId) {
			return new Promise(function (resolve, reject) {
				pool.getConnection()
					.then(connection => {
						connection.query(`SELECT fileId, filepath, filepart, parts
                                  FROM filepart
                                  WHERE fileId = ?
                                  ORDER BY filepart`, [fileId])
							.then((results) => {
								connection.end();
								resolve(results);
							})
							.catch(err => {
								connection.end();
								reject(err);
							});
					})
					.catch(err => {
						reject(err);
					});
			});
		},
		delete: function (fileId) {
			return new Promise(function (resolve, reject) {
				pool.getConnection()
					.then(connection => {
						connection.query(`DELETE FROM filepart
                              WHERE fileId = ?`, [fileId])
							.then((results) => {
								connection.end();
								resolve(true); // successful delete
							})
							.catch(err => {
								connection.end();
								reject(err);
							});
					})
					.catch(err => {
						reject(err);
					});
			});
		}
	};
})();