/**
* Checking negative line items
*
* @param array $request
* @param int $i
* @return null|true
*/
protected function _exportLineItems(array &$request, $i = 0)
{
$requestBefore = $request;
$result = parent::_exportLineItems($request, $i);
if ($this->getIsLineItemsEnabled() && $this->_cart->hasNegativeItemAmount()) {
$this->_lineItemTotalExportMap = array(Mage_Paypal_Model_Cart::TOTAL_TAX => 'TAXAMT', Mage_Paypal_Model_Cart::TOTAL_SHIPPING => 'FREIGHTAMT', 'amount' => 'PAYMENTREQUEST_0_ITEMAMT');
$this->_lineItemExportItemsFormat = array('name' => 'L_PAYMENTREQUEST_0_NAME%d', 'qty' => 'L_PAYMENTREQUEST_0_QTY%d', 'amount' => 'L_PAYMENTREQUEST_0_AMT%d');
$request = $requestBefore;
$result = parent::_exportLineItems($request, $i);
$paypalNvp = new Mage_Paypal_Model_Api_Nvp();
$this->_doCaptureResponse = $paypalNvp->_doCaptureResponse;
$this->_refundTransactionResponse = $paypalNvp->_refundTransactionResponse;
$this->_getTransactionDetailsResponse = $paypalNvp->_getTransactionDetailsResponse;
$this->_paymentInformationResponse = $paypalNvp->_paymentInformationResponse;
$this->_headers[] = 'PAYPAL-NVP: Y';
$this->_setSpecificForNegativeLineItems();
}
return $result;
}
