/**
* Refund the payment transaction
*
* @param Mage_Sale_Model_Order_Payment $payment
* @param flaot $amount
* @return Mage_Cybersource_Model_Soap
*/
public function refund(Varien_Object $payment, $amount)
{
$error = false;
if ($payment->getRefundTransactionId() && $payment->getRefundCybersourceToken() && $amount > 0) {
$soapClient = $this->getSoapApi();
$this->iniRequest();
$ccCreditService = new stdClass();
$ccCreditService->run = "true";
$ccCreditService->captureRequestToken = $payment->getCybersourceToken();
$ccCreditService->captureRequestID = $payment->getCcTransId();
$this->_request->ccCreditService = $ccCreditService;
$purchaseTotals = new stdClass();
$purchaseTotals->grandTotalAmount = $amount;
$this->_request->purchaseTotals = $purchaseTotals;
try {
$result = $soapClient->runTransaction($this->_request);
if ($result->reasonCode == self::RESPONSE_CODE_SUCCESS) {
$payment->setLastTransId($result->requestID)->setLastCybersourceToken($result->requestToken);
} else {
$error = Mage::helper('cybersource')->__('There is an error in processing payment. Please try again or contact us.');
}
} catch (Exception $e) {
Mage::throwException(Mage::helper('cybersource')->__('Gateway request error: %s', $e->getMessage()));
}
} else {
$error = Mage::helper('cybersource')->__('Error in refunding the payment');
}
if ($error !== false) {
Mage::throwException($error);
}
return $this;
}
