/**
* @param \ArrayObject|\Generated\Shared\Transfer\RefundItemTransfer[] $refundItems
*
* @return \ArrayObject
*/
protected function getGroupedTaxTotals(\ArrayObject $refundItems)
{
$groupedTaxTotals = new \ArrayObject();
foreach ($refundItems as $refundItem) {
$taxRateIndex = (string) $refundItem->getTaxRate();
if (!$groupedTaxTotals->offsetExists($taxRateIndex)) {
$taxTotal = new TaxTotalTransfer();
$taxTotal->setTaxRate($refundItem->getTaxRate());
$groupedTaxTotals->offsetSet($taxRateIndex, $taxTotal);
} else {
$taxTotal = $groupedTaxTotals->offsetGet($taxRateIndex);
}
$taxTotalAmount = (int) $taxTotal->getAmount();
$taxTotalAmount += $refundItem->getTaxAmountWithDiscount();
$taxTotal->setAmount($taxTotalAmount);
}
return $groupedTaxTotals;
}
