/**
* Initialize creditmemo state based on requested parameters
*
* @param Mage_Sales_Model_Order_Creditmemo $creditmemo
* @param array $data
*/
protected function _initCreditmemoData($creditmemo, $data)
{
if (isset($data['shipping_amount'])) {
$creditmemo->setBaseShippingAmount((double) $data['shipping_amount']);
}
if (isset($data['adjustment_positive'])) {
$creditmemo->setAdjustmentPositive($data['adjustment_positive']);
}
if (isset($data['adjustment_negative'])) {
$creditmemo->setAdjustmentNegative($data['adjustment_negative']);
}
}
/**
* The grand total is explicitly set from the totalCredit value in the payload
* Compute any adjustments necessary to make the credit memo total up properly
*
* @param Mage_Sales_Model_Order_Creditmemo $creditmemo
* @return Mage_Sales_Model_Order_Creditmemo
*/
protected function _fixupTotals(Mage_Sales_Model_Order_Creditmemo $creditmemo)
{
$creditmemo->setBaseShippingAmount(0.0)->setShippingAmount(0.0)->setBaseTaxAmount(0.0)->setTaxAmount(0.0);
// totalCredit is passed as a negative number but the credit memo uses
// positive numbers for refunds so use abs() to get rid of negative numbers
$grandTotal = abs($this->_payload->getTotalCredit());
$subTotal = $creditmemo->getBaseSubtotal();
$creditmemo->setBaseGrandTotal($grandTotal);
$creditmemo->setGrandTotal($grandTotal);
if ($grandTotal < $subTotal) {
$creditmemo->setAdjustmentNegative($subTotal - $grandTotal);
} elseif ($grandTotal > $subTotal) {
$creditmemo->setAdjustmentPositive($grandTotal - $subTotal);
}
return $creditmemo;
}
