ruscomap/dbHandler.js

65 lines
No EOL
1.8 KiB
JavaScript

const config = require('config');
const mysql = require('mysql');
const pool = mysql.createPool({
host: config.get('db.host'),
user: config.get('db.user'),
password: config.get('db.password'),
database: config.get('db.database'),
});
function addMarker(marker) {
let insertQuery = 'INSERT INTO markers VALUES (?,?,?,POINT(?,?),?)';
let query = mysql.format(insertQuery, [marker.name, marker.description, marker.filename, marker.long, marker.lat, new Date()]);
pool.query(query, (err, response) => {
if (err) {
console.error(err);
return;
}
// rows added
console.log(response);
});
}
function deleteMarkersOlderThanTimeLimit(timeLimit) {
let deleteQuery = 'DELETE FROM markers WHERE timeStamp < NOW() - INTERVAL (?) HOUR;';
let query = mysql.format(deleteQuery, timeLimit);
pool.query(query, (err, response) => {
if (err) {
console.error(err);
return;
}
// rows added
console.log(response);
});
}
function getAllMarkers(callback) {
pool.getConnection((err, connection) => {
if (err) throw err;
connection.query('SELECT * from markers', (err, rows) => {
connection.release(); // return the connection to pool
if (err) throw err;
callback(rows);
});
});
}
function getUpdatedMarkers(fromDate, callback) {
pool.getConnection((err, connection) => {
if (err) throw err;
let selectQuery = 'SELECT * FROM markers mrk WHERE mrk.ts >= ?';
let query = mysql.format(selectQuery, [new Date(parseInt(fromDate))])
connection.query(query, (err, rows) => {
connection.release(); // return the connection to pool
if (err) throw err;
callback(rows);
});
});
}
module.exports = {
addMarker,
getAllMarkers,
getUpdatedMarkers
}