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meusinfirmary
2025-04-22 14:31:37 +07:00
commit b7e852126c
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library/LibMysqlHelper.js Normal file
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const db = require(`../config/dbMysqlConn`);
// const Promise = require("bluebird");
class MysqlHelpers {
static async insert (table, data) {
return new Promise((resolve, reject) => {
const query = `INSERT INTO ${table} SET ?;`;
db.getConnection(function (err, conn) {
if (err) {
conn.release();
reject(err);
return false;
}
conn.beginTransaction(async function (err) {
if (err) {
conn.release();
reject(err);
return false;
}
conn.query(query, data, function (err, result) {
if (err) {
conn.rollback(async function () {
conn.release();
reject(err);
});
return false;
}
// Number(result.insertId);
conn.commit(async function (err) {
if (err) {
conn.release();
reject(err);
return false;
}
conn.release();
resolve(result);
return true;
});
});
});
});
})
}
static async update (table, data, colId, valId) {
return new Promise((resolve, reject) => {
const query = `UPDATE ${table} SET ? WHERE ${colId} = ?;`;
db.getConnection(function (err, conn) {
if (err) {
conn.release();
reject(err);
return false;
}
conn.beginTransaction(async function (err) {
if (err) {
conn.release();
reject(err);
return false;
}
conn.query(query, [data, valId], function (err, result) {
if (err) {
conn.rollback(async function () {
conn.release();
reject(err);
});
return false;
}
conn.commit(async function (err) {
if (err) {
conn.release();
reject(err);
return false;
}
conn.release();
resolve(result);
return true;
});
});
});
});
})
}
static async delete (table, colId, valId) {
return new Promise((resolve, reject) => {
const query = `DELETE FROM ${table} WHERE ${colId} = ?;`;
db.getConnection(function (err, conn) {
if (err) {
conn.release();
reject(err);
return false;
}
conn.beginTransaction(async function (err) {
if (err) {
conn.release();
reject(err);
return false;
}
conn.query(query, [valId], function (err, result) {
if (err) {
conn.rollback(async function () {
conn.release();
reject(err);
});
return false;
}
conn.commit(async function (err) {
if (err) {
conn.release();
reject(err);
return false;
}
conn.release();
resolve(result);
return true;
});
});
});
});
})
}
static async createConnection () {
return new Promise((resolve, reject) => {
db.getConnection(function (err, conn) {
if (err) {
if (conn) conn.release();
reject(err);
return false;
}
resolve(conn);
});
})
}
static async getDbMysqlConn () {
return new Promise((resolve, reject) => {
resolve(db);
})
}
static async releaseConnection (conn) {
return new Promise((resolve, reject) => {
if (conn) conn.release();
resolve(true);
})
}
static async createTrx (conn) {
return new Promise((resolve, reject) => {
conn.beginTransaction(async function (err) {
if (err) {
conn.release();
reject(err);
return false;
}
resolve(conn);
});
})
}
static async queryTrx (conn, query = '', params = []) {
return new Promise((resolve, reject) => {
conn.query(query, params, function (err, result) {
if (err) {
conn.rollback(async function () {
conn.release();
reject(err);
});
return false;
}
// Number(result.insertId);
resolve(result);
});
})
}
static async query (conn, query = '', params = []) {
return new Promise((resolve, reject) => {
conn.query(query, params, function (err, result) {
if (err) return reject(err);
// Number(result.insertId);
resolve(result);
});
})
}
static async commit (conn) {
return new Promise((resolve, reject) => {
conn.commit(async function (err) {
if (err) {
conn.release();
reject(err);
return false;
}
conn.release();
resolve(true);
});
})
}
static async rollback (conn) {
return new Promise((resolve, reject) => {
conn.rollback(async function () {
conn.release();
reject(err);
});
return false;
})
}
}
module.exports = MysqlHelpers;