2017-08-25 16:38:20 +02:00

94 lines
2.5 KiB
PHP

<?php
/* μlogger
*
* Copyright(C) 2017 Bartek Fabiszewski (www.fabiszewski.net)
*
* This is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
require_once(ROOT_DIR . "/helpers/config.php");
/**
* mysqli wrapper
*/
class uDb extends mysqli {
/**
* Singleton instance
*
* @var mysqli Object instance
*/
protected static $instance;
/**
* Table names
*
* @var array Array of names
*/
protected static $tables;
/**
* Private constuctor
*
* @param string $host
* @param string $user
* @param string $pass
* @param string $name
* @param int $port
* @param string $socket
*/
public function __construct($host, $user, $pass, $name, $port = null, $socket = null) {
@parent::__construct($host, $user, $pass, $name, $port, $socket);
if ($this->connect_error) {
header("HTTP/1.1 503 Service Unavailable");
die("Database connection error (" . $this->connect_error . ")");
}
$this->set_charset('utf8');
$this->initTables();
}
/**
* Initialize table names based on config
*/
private function initTables() {
self::$tables = [];
$prefix = preg_replace('/[^a-z0-9_]/i', '', uConfig::$dbprefix);
self::$tables['positions'] = $prefix . "positions";
self::$tables['tracks'] = $prefix . "tracks";
self::$tables['users'] = $prefix . "users";
}
/**
* Returns singleton instance
*
* @return object Singleton instance
*/
public static function getInstance() {
if (!self::$instance) {
self::$instance = new self(uConfig::$dbhost, uConfig::$dbuser, uConfig::$dbpass, uConfig::$dbname);
}
return self::$instance;
}
/**
* Get full table name including prefix
*
* @param string $name Name
* @return string Full table name
*/
public function table($name) {
return self::$tables[$name];
}
}
?>