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<?php
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/**
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* MINZ - Copyright 2011 Marien Fressinaud
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* Sous licence AGPL3 <http://www.gnu.org/licenses/>
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*/
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/**
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* La classe Model_sql représente le modèle interragissant avec les bases de données
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* Seul la connexion MySQL est prise en charge pour le moment
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*/
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class Model_pdo {
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/**
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* Partage la connexion à la base de données entre toutes les instances.
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*/
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public static $useSharedBd = true;
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private static $sharedBd = null;
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private static $sharedPrefix;
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/**
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* $bd variable représentant la base de données
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*/
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protected $bd;
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protected $prefix;
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/**
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* Créé la connexion à la base de données à l'aide des variables
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* HOST, BASE, USER et PASS définies dans le fichier de configuration
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*/
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public function __construct () {
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if (self::$useSharedBd && self::$sharedBd != null) {
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$this->bd = self::$sharedBd;
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$this->prefix = self::$sharedPrefix;
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return;
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}
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$db = Configuration::dataBase ();
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$driver_options = null;
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try {
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$type = $db['type'];
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if($type == 'mysql') {
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$string = $type
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. ':host=' . $db['host']
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. ';dbname=' . $db['base']
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. ';charset=utf8';
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$driver_options = array(
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PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8'
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);
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} elseif($type == 'sqlite') {
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$string = $type
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. ':/' . PUBLIC_PATH
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. '/data/' . $db['base'] . '.sqlite'; //TODO: DEBUG UTF-8 http://www.siteduzero.com/forum/sujet/sqlite-connexion-utf-8-18797
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}
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$this->bd = new FreshPDO (
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$string,
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$db['user'],
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$db['password'],
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$driver_options
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);
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self::$sharedBd = $this->bd;
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$this->prefix = $db['prefix'];
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self::$sharedPrefix = $this->prefix;
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} catch (Exception $e) {
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throw new PDOConnectionException (
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$string,
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$db['user'], MinzException::WARNING
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);
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}
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}
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}
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class FreshPDO extends PDO {
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private static function check($statement) {
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if (preg_match('/^(?:UPDATE|INSERT|DELETE)/i', $statement)) {
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touch(PUBLIC_PATH . '/data/touch.txt');
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}
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}
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public function prepare ($statement, $driver_options = array()) {
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FreshPDO::check($statement);
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return parent::prepare($statement, $driver_options);
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}
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public function exec ($statement) {
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FreshPDO::check($statement);
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return parent::exec($statement);
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}
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}
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