/**
* Avoid saving duplicate card
*
* @param string $last4
* @return bool
*/
protected function shouldSaveCard($last4)
{
// to avoid card save several times during multishipping
if ($this->_registry->registry(self::REGISTER_NAME) !== null) {
return false;
}
if ($this->vault->canSaveCard($last4)) {
$this->_registry->register(self::REGISTER_NAME, true);
return true;
}
return false;
}
