public function ajouterAction()
 {
     $dba = Zend_Registry::get('dba');
     $this->_helper->layout->disableLayout(true);
     $this->_helper->viewRenderer->setNoRender(true);
     $id_genre = $_POST["id_genre"];
     $nom_play = $_POST["nom_play"];
     $result = array();
     if ($id_genre != null && $nom_play != null) {
         $datas = array('NOM_PLAY' => $nom_play, 'ID_GENRE' => $id_genre);
         $result["STATUS"] = "OK";
         $result["NOM_PLAY"] = $nom_play;
         $genre_table = new Application_Model_Genre($dba);
         $genre_row = $genre_table->find($id_genre);
         $genre = $genre_row->current();
         $result["GENRE_NAME"] = $genre->NOM_G;
         $dba->beginTransaction();
         try {
             $dba->insert('PLAYLIST', $datas);
             $dba->commit();
         } catch (Exception $e) {
             $dba->rollBack();
             echo $e->getMessage();
         }
         $playlist_table = new Application_Model_Playlist($dba);
         $where = $dba->quoteInto("NOM_PLAY = ?", $nom_play);
         $playlist = $playlist_table->fetchRow($where, "PLAY_ID DESC");
         $result["PLAY_ID"] = $playlist->PLAY_ID;
     } else {
         $result["STATUS"] = "FAIL";
     }
     $json = json_encode($result);
     echo $json;
 }