CheckProductsOnUpdate::process

public function process(Crm\Item $item): Main\Result
{
	$result = new Main\Result();

	if ($this->isMovedToSuccessfulStage($item))
	{
		$productRows = $item->getProductRows();
		if ($productRows)
		{
			$checkResult = self::checkQuantityFromCollection($item->getEntityTypeId(), $item->getId(), $productRows);
			if (!$checkResult->isSuccess())
			{
				Crm\Activity\Provider\StoreDocument::addProductActivity($item->getId());

				$result->addError(Crm\Reservation\Error\InventoryManagementError::create());
			}

			$checkResult = self::checkAvailabilityServices($productRows);
			if (!$checkResult->isSuccess())
			{
				Crm\Activity\Provider\StoreDocument::addServiceActivity($item->getId());

				$result->addError(Crm\Reservation\Error\AvailabilityServices::create());
			}
		}
	}

	return $result;
}