/**
* Check whether void is available for the given order.
*/
public function canVoid(Varien_Object $payment)
{
if (parent::canVoid($payment)) {
if ($payment->getOrder() instanceof Mage_Sales_Model_Order && $payment->getOrder()->canCancel()) {
/**
* Bad convention: Auth code is stored as the second part of ext_order_id.
* If there is no auth code, it has already been voided or is not relevant.
*/
$transactionId = explode(':', $payment->getOrder()->getExtOrderId(), 2);
if (!isset($transactionId[1]) || empty($transactionId[1])) {
return false;
}
}
return true;
}
return false;
}