protected static function setBasketItemFields(\Bitrix\Sale\BasketItem &$item, array $fields = array())
{
$result = $item->setFields($fields);
if (!$result->isSuccess()) {
foreach ($result->getErrors() as $error) {
if ($error->getCode() == "CATALOG_QUANTITY_NOT_ENOGH") {
if ((string) Option::get('catalog', 'allow_negative_amount') != 'Y') {
$data = $result->getData();
$res = $item->setField("QUANTITY", $data["AVAILABLE_QUANTITY"]);
if (!$res->isSuccess()) {
$result->addErrors($res->getErrors());
}
}
}
}
}
return $result;
}