/**
* @param \Magento\Sales\Model\Order\Creditmemo $creditmemo
*
* @return $this
*/
public function collect(\Magento\Sales\Model\Order\Creditmemo $creditmemo)
{
$order = $creditmemo->getOrder();
$amount = $order->getDiscountCouponAmount();
$baseAmount = $order->getBaseDiscountCouponAmount();
if ($amount) {
$creditmemo->setDiscountCouponAmount($amount);
$creditmemo->setBaseDiscountCouponAmount($baseAmount);
$creditmemo->setGrandTotal($creditmemo->getGrandTotal() + $amount);
$creditmemo->setBaseGrandTotal($creditmemo->getBaseGrandTotal() + $baseAmount);
}
return $this;
}
