/**
  * @NoAdminRequired
  */
 public function checkAddressbookExists()
 {
     $pAddressbook = $this->params('addrbookname');
     $id = Addressbook::checkIfExist($pAddressbook);
     //\OCP\Util::writeLog($this->appName,'CHECK: '.$id, \OCP\Util::DEBUG);
     if ($id) {
         $params = ['status' => 'success', 'message' => 'exists'];
         $response = new JSONResponse($params);
         return $response;
     }
 }