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