/**
* @param \Generated\Shared\Transfer\GroupedRefundItemTransfer $groupedRefundItem
* @param \Generated\Shared\Transfer\RefundItemTransfer $refundItem
*
* @return \Generated\Shared\Transfer\GroupedRefundItemTransfer
*/
protected function aggregateItem(GroupedRefundItemTransfer $groupedRefundItem, RefundItemTransfer $refundItem)
{
$groupTaxAmount = $groupedRefundItem->getTaxAmount() + $refundItem->getTaxAmount();
$groupTotalGrossPrice = $groupedRefundItem->getTotalGrossPrice() + $refundItem->getTotalGrossPrice();
$groupTotalGrossPriceWithDiscount = $groupedRefundItem->getTotalGrossPriceWithDiscount() + $refundItem->getTotalGrossPriceWithDiscount();
$groupQuantity = $groupedRefundItem->getQuantity() + 1;
$groupDiscountAmount = $groupedRefundItem->getDiscountAmount() + $refundItem->getDiscountAmount();
$groupedRefundItem->setTotalGrossPriceWithDiscount($groupTotalGrossPriceWithDiscount);
$groupedRefundItem->setTotalGrossPrice($groupTotalGrossPrice);
$groupedRefundItem->setQuantity($groupQuantity);
$groupedRefundItem->setTaxAmount($groupTaxAmount);
$groupedRefundItem->setDiscountAmount($groupDiscountAmount);
return $groupedRefundItem;
}