File: //home/evaluation-leave/models/scores.js
const config = require("../config/config");
const mysql = require("mysql2"); // Use mysql2 for connection pooling
// Create a connection pool
const pool = mysql.createPool({
host: config.connection.host,
user: config.connection.user,
password: config.connection.password,
database: config.connection.database,
waitForConnections: true,
connectionLimit: 10, // Adjust as needed
queueLimit: 0, // Unlimited queue size
});
module.exports = {
findAllScores: async () => {
return new Promise((resolve, reject) => {
pool.getConnection((err, connection) => {
if (err) {
return reject(err);
}
connection.query("SELECT * FROM score", (error, result) => {
connection.release();
if (error) {
return reject(error);
}
resolve(result);
});
});
});
},
createScore: async (score) => {
return new Promise((resolve, reject) => {
pool.getConnection((err, connection) => {
if (err) {
return reject(err);
}
connection.query("INSERT INTO score SET ?", score, (error, result) => {
connection.release();
if (error) {
return reject(error);
}
resolve(result);
});
});
});
},
findScoreById: async (id) => {
return new Promise((resolve, reject) => {
pool.getConnection((err, connection) => {
if (err) {
return reject(err);
}
connection.query(
"SELECT * FROM score where id=?",
id,
(error, result) => {
connection.release();
if (error) {
return reject(error);
}
resolve(result[0]);
}
);
});
});
},
findScoreByName: async (name) => {
return new Promise((resolve, reject) => {
pool.getConnection((err, connection) => {
if (err) {
return reject(err);
}
connection.query(
"SELECT * FROM score where name=?",
name,
(error, result) => {
connection.release();
if (error) {
return reject(error);
}
resolve(result[0]);
}
);
});
});
},
updateScoreList: async (score) => {
return new Promise((resolve, reject) => {
pool.getConnection((err, connection) => {
if (err) {
return reject(err);
}
const query =
"UPDATE score SET name =?, value=?, updatedAt = ?, updated_by =? WHERE id = ?";
const values = [
score.name,
score.value,
score.updated_at,
score.updated_by,
score.id,
];
connection.query(query, values, (error, result) => {
connection.release();
if (error) {
return reject(error);
}
resolve(result);
});
});
});
},
};