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<?php |
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namespace core\database; |
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use core\HTML\flashmessage\FlashMessage; |
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use PDO; |
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class Database { |
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use Querybuilder; |
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private $db_type; |
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private $db_name; |
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private $db_user; |
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private $db_pass; |
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private $db_host; |
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private $dbc; |
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//-------------------------- CONSTRUCTEUR ----------------------------------------------------------------------------// |
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public function __construct($db_type, $db_name, $db_user, $db_pass, $db_host) { |
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$this->db_type = $db_type; |
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$this->db_name = $db_name; |
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$this->db_user = $db_user; |
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$this->db_pass = $db_pass; |
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$this->db_host = $db_host; |
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} |
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//-------------------------- FIN CONSTRUCTEUR ----------------------------------------------------------------------------// |
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//-------------------------- GETTER ----------------------------------------------------------------------------// |
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/** |
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* function qui fait la connexion a la bdd ne peu etre appelee que dans la classe |
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* @return PDO |
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*/ |
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private function getPdo() { |
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if ($this->dbc === null) { |
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$dbc = new PDO($this->db_type.':host='.$this->db_host.';dbname='.$this->db_name, $this->db_user, $this->db_pass); |
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$dbc->exec("set names utf8"); |
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$this->dbc = $dbc; |
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} |
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return $this->dbc; |
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} |
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//-------------------------- FIN GETTER ----------------------------------------------------------------------------// |
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//-------------------------- FUNCTION QUI FONT DES REQUETES SUR LA BDD --------------------------------------------// |
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/** |
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* effectue une requete en selectr dans la BDD, si ok on renvoit les donnees sinon on renvoi une erreur |
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* @param $req |
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* @return array |
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*/ |
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public function query($req) { |
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$query = $this->getPdo()->query($req); |
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if ($query) { |
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$obj = $query->fetchAll(PDO::FETCH_OBJ); |
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return $obj; |
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} |
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else { |
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FlashMessage::setFlash("Une erreur est survenue en executant cette requette : ".$req); |
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} |
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} |
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/** |
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* fonction qui prepare une requete et qui l'envoi, marche pour insert et update et delete |
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* @param $req -> la req a executer |
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* @param $value -> le ou les tableaux de valeurs |
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*/ |
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public function prepare($req, $value) { |
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$query = $this->getPdo()->prepare($req); |
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//si on a plusieurs tableaux |
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if (array_key_exists(0, $value)) { |
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foreach ($value as $val) { |
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if (!$query->execute($val)) { |
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$err = true; |
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} |
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} |
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} |
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else { |
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if (!$query->execute($value)) { |
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$err = true; |
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} |
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} |
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//si on a une erreur on renvoi un message |
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if (isset($err)) { |
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FlashMessage::setFlash("Une erreur est survenue en executant cette requette : ".$req); |
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} |
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} |
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/** |
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* pour savoir si une valeur sur un champ précis existe deja en bdd, renvoi true si vrai |
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* @param $table |
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* @param $champ |
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* @param $value |
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* @return boolean|null |
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*/ |
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public function rechercherEgalite($table, $champ, $value, $id_table = null, $id = null) { |
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if ($id == null) { |
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$query = $this->getPdo()->query("SELECT COUNT($champ) as nb FROM $table WHERE $champ LIKE '$value'"); |
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} |
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else { |
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$query = $this->getPdo()->query("SELECT COUNT($champ) as nb FROM $table WHERE $champ LIKE '$value' AND $id_table != $id"); |
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} |
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if (count($query) > 0) { |
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foreach ($query as $obj) { |
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$nb = $obj["nb"]; |
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} |
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if ((isset($nb)) && ($nb != 0)) return true; |
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} |
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else { |
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return false; |
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} |
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} |
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//-------------------------- FIN FUNCTION QUI FONT DES REQUETES SUR LA BDD --------------------------------------------// |
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/** |
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* tester si une table dans la base donnee existe |
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* @param string $table definit la table pour laquelle on doit tester l'existance |
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* @return boolean |
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*/ |
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public function TestTableExist($table) { |
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$query = $this->getPdo()->query("SHOW TABLES LIKE '$table'"); |
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if ($query->rowCount() > 0) { |
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return true; |
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} |
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else { |
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return false; |
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} |
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} |
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public function quote($quote) { |
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return $this->getPdo()->quote($quote); |
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} |
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public function lastInsertId() { |
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return $this->getPdo()->lastInsertId(); |
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} |
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} |
Piou-piou /
ribs-framework
