public function addAction()
{
$success = false;
$code = Qrcode\Config::getByName($this->getParam("name"));
if (!$code) {
$code = new Qrcode\Config();
$code->setName($this->getParam("name"));
$code->save();
$success = true;
}
$this->_helper->json(array("success" => $success, "id" => $code->getName()));
}