public function actionUpdate($id)
 {
     $properties = new Properties();
     $properties = $properties->find($id);
     if ($_SERVER['REQUEST_METHOD'] == 'POST') {
         $properties = $properties->fromArray($_POST);
         $properties->save();
         header('Location: /');
     } else {
         $template = $this->twig->loadTemplate('properties/update.tpl');
         echo $template->render(array('model' => $properties, 'types' => Properties::getTypes()));
     }
 }