public function add()
 {
     if (isset($_SESSION['client'])) {
         $client = unserialize($_SESSION['client']);
         if (isset($_POST['add'])) {
             $contactsModel = new ContactsModel();
             $contact = $contactsModel->create($_POST['name'], $_POST['mail']);
         }
         $this->helper->redirect('/contacts/getAll');
     } else {
         $this->helper->redirect();
     }
 }