/**
* @param \Generated\Shared\Transfer\QuoteTransfer $quoteTransfer
*
* @return array|string[]
*/
protected function getVoucherCodes(QuoteTransfer $quoteTransfer)
{
$voucherDiscounts = $quoteTransfer->getVoucherDiscounts();
if (count($voucherDiscounts) === 0) {
return [];
}
$voucherCodes = [];
foreach ($voucherDiscounts as $voucherDiscountTransfer) {
$voucherCodes[] = $voucherDiscountTransfer->getVoucherCode();
}
return $voucherCodes;
}