68 lines
1.8 KiB
JavaScript
68 lines
1.8 KiB
JavaScript
var mysql = require('mysql');
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var app = null
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var pool = null
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const connectionLimit = 66
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exports.init = function(express) {
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app = express
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app.get('LOG').log('Database | Server to connect to is ' + app.get('CONF').database.host + '')
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pool = mysql.createPool({
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connectionLimit : connectionLimit,
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host : app.get('CONF').database.host,
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port : app.get('CONF').database.port,
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database : app.get('CONF').database.database,
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user : app.get('CONF').database.user,
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password : app.get('CONF').database.password,
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waitForConnections : true
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});
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var connectionCountTemp = 0;
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setInterval(function() {
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const connectionCount = pool._freeConnections.length
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if(connectionCount != connectionCountTemp) {
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connectionCountTemp = connectionCount
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if(connectionCount > (connectionLimit / 2)) {
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app.get('LOG').error(`Database | Connection count: ${connectionCount}`)
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} else {
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app.get('LOG').debug(`Connection count: ${connectionCount}`)
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}
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}
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}, 1000)
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return this;
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}
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exports.getItem = function(identifier, callback) {
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const sql = `SELECT * FROM items WHERE identifier = '${identifier}'`
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pool.query(sql, function (error, results, fields) {
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if (error) throw error;
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callback(results[0])
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});
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}
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exports.getItemList = function(callback) {
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const sql = `SELECT * FROM items i ORDER BY i.order DESC`
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pool.query(sql, function (error, results, fields) {
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if (error) throw error;
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callback(results)
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});
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}
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exports.getNotAvailableList = function(itemID, callback) {
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const sql = `SELECT a.item, a.from AS 'start', a.to as 'end' FROM available a WHERE a.item = ${itemID} ORDER BY a.from ASC`
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pool.query(sql, function (error, results, fields) {
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if (error) throw error;
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callback(results)
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});
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} |