/**
* Use this function which acts as Mage::dispatchEvent
* but with validation where any observing entity can
* change the isValid flag to tell the dispatcher to
* act as if the event did not happen.
*
* Callers should use this function in an if statement
* which wraps code which depends on this event occuring.
*
* @param string $eventName
* @param array $data key values of event attributes
* @param unknown_type $isValid initial state of the dispatch
* @return boolean
*/
public function smartDispatch($eventName, array $data, $isValid = true)
{
$result = new Varien_Object(array('is_valid' => $isValid));
// Append result object to data
$data['result'] = $result;
Mage::dispatchEvent($eventName, $data);
return $result->getIsValid();
}
/**
* Get VAT class
*
* @param string $customerCountryCode
* @param Varien_Object $vatValidationResult
* @param Mage_Core_Model_Store|string|int|null $store
* @return null|string
*/
public function getCustomerVatClass($customerCountryCode, $vatValidationResult, $store = null)
{
$vatClass = null;
$isVatNumberValid = $vatValidationResult->getIsValid();
if (is_string($customerCountryCode) && !empty($customerCountryCode) && $customerCountryCode === Mage::helper('core')->getMerchantCountryCode($store) && $isVatNumberValid) {
$vatClass = self::VAT_CLASS_DOMESTIC;
} elseif ($isVatNumberValid) {
$vatClass = self::VAT_CLASS_INTRA_UNION;
} else {
$vatClass = self::VAT_CLASS_INVALID;
}
if (!$vatValidationResult->getRequestSuccess()) {
$vatClass = self::VAT_CLASS_ERROR;
}
return $vatClass;
}
