/** * Refund the card transaction through gateway * * @param Mage_Payment_Model_Info $payment * @param Varien_Object $card * @return Mage_Sales_Model_Order_Payment_Transaction */ protected function _refundCardTransaction($payment, $amount, $card) { /** * Card has last transaction with type "refund" when all captured amount is refunded. * Until this moment card has last transaction with type "capture". */ $captureTransactionId = $card->getLastTransId(); $captureTransaction = $payment->getTransaction($captureTransactionId); $realCaptureTransactionId = $captureTransaction->getAdditionalInformation($this->_realTransactionIdKey); $payment->setAnetTransType(self::REQUEST_TYPE_CREDIT); $payment->setXTransId($realCaptureTransactionId); $payment->setAmount($amount); $request = $this->_buildRequest($payment); $request->setXCardNum($card->getCcLast4()); $result = $this->_postRequest($request); switch ($result->getResponseCode()) { case self::RESPONSE_CODE_APPROVED: if ($result->getResponseReasonCode() == self::RESPONSE_REASON_CODE_APPROVED) { $refundTransactionId = $result->getTransactionId() . '-refund'; $shouldCloseCaptureTransaction = 0; /** * If it is last amount for refund, transaction with type "capture" will be closed * and card will has last transaction with type "refund" */ if ($this->_formatAmount($card->getCapturedAmount() - $card->getRefundedAmount()) == $amount) { $card->setLastTransId($refundTransactionId); $shouldCloseCaptureTransaction = 1; } return $this->_addTransaction($payment, $refundTransactionId, Mage_Sales_Model_Order_Payment_Transaction::TYPE_REFUND, array('is_transaction_closed' => 1, 'should_close_parent_transaction' => $shouldCloseCaptureTransaction, 'parent_transaction_id' => $captureTransactionId), array($this->_realTransactionIdKey => $result->getTransactionId()), Mage::helper('paygate')->getTransactionMessage($payment, self::REQUEST_TYPE_CREDIT, $result->getTransactionId(), $card, $amount)); } $exceptionMessage = $this->_wrapGatewayError($result->getResponseReasonText()); break; case self::RESPONSE_CODE_DECLINED: case self::RESPONSE_CODE_ERROR: $exceptionMessage = $this->_wrapGatewayError($result->getResponseReasonText()); break; default: $exceptionMessage = Mage::helper('paygate')->__('Payment refunding error.'); break; } $exceptionMessage = Mage::helper('paygate')->getTransactionMessage($payment, self::REQUEST_TYPE_CREDIT, $realCaptureTransactionId, $card, $amount, $exceptionMessage); Mage::throwException($exceptionMessage); }