/**
* @param BasketItem $basketItem
* @param $quantity
* @return float|int|null
* @throws NotSupportedException
*/
protected static function tryReserveBasketItem(BasketItem $basketItem, $quantity)
{
$result = new Result();
$provider = $basketItem->getProvider();
if (!$basketItem->isBundleChild()) {
/** @var Basket $basket */
$basket = $basketItem->getCollection();
} else {
/** @var BasketItem $parentBasketItem */
$parentBasketItem = $basketItem->getParentBasketItem();
/** @var Basket $basket */
$basket = $parentBasketItem->getCollection();
}
$order = $basket->getOrder();
$hasProvider = false;
$quantityTrace = null;
$poolQuantity = static::getReservationPoolItem($order->getInternalId(), $basketItem);
$tryQuantity = $quantity + $poolQuantity;
if ($provider instanceof Provider) {
throw new NotSupportedException('provider not supported');
} elseif ($provider && array_key_exists("IBXSaleProductProvider", class_implements($provider))) {
$hasProvider = true;
$r = static::checkAvailableProductQuantity($basketItem, $tryQuantity);
if ($r->isSuccess()) {
$availableQuantityData = $r->getData();
if (array_key_exists('AVAILABLE_QUANTITY', $availableQuantityData)) {
$availableQuantity = $availableQuantityData['AVAILABLE_QUANTITY'];
} else {
$result->addError(new ResultError(Loc::getMessage('PROVIDER_RESERVE_BASKET_ITEM_WRONG_AVAILABLE_QUANTITY'), 'PROVIDER_RESERVE_BASKET_ITEM_WRONG_AVAILABLE_QUANTITY'));
return $result;
}
if (array_key_exists('QUANTITY_TRACE', $availableQuantityData)) {
$quantityTrace = $availableQuantityData['QUANTITY_TRACE'];
}
//
} else {
$result->addErrors($r->getErrors());
return $result;
}
$availableQuantity -= $poolQuantity;
} else {
$availableQuantity = $quantity;
}
$fields = array('AVAILABLE_QUANTITY' => $availableQuantity, 'HAS_PROVIDER' => $hasProvider);
if ($quantityTrace !== null) {
$fields['QUANTITY_TRACE'] = $quantityTrace;
}
$result->setData($fields);
return $result;
}
