/**
* Check fields
*
* @return array|null
*/
protected function _checkFields()
{
/** @var Mage_Checkout_Model_Session $session */
$session = Mage::getSingleton('checkout/session');
if ($session->getPostType() == 'onepage') {
$requiredFields = explode(",", $this->getHelper()->getFieldRequiredList());
$fieldRules = explode(",", $this->getHelper()->getFieldRule());
foreach ($requiredFields as $field) {
$requiredFlag = 0;
foreach ($fieldRules as $rule) {
if (preg_match("/street\\d/", $field)) {
$field = "street";
}
if ($field == "country") {
$field = "country_id";
}
if ($this->_mageAddress->getData($field) == $rule || !$this->_mageAddress->getData($field)) {
$requiredFlag = 1;
}
}
if ($requiredFlag) {
$errors = array();
$errors[] = $this->__('Invalid ') . $this->__($field);
return $errors;
}
}
}
return null;
}
