/**
* Check if the requested amount is available for the product
*
* @param \XLite\Model\OrderItem $item Order item to add
* @param integer $amount Amount to check OPTIONAL
*
* @return integer
*/
protected function checkAmount(\XLite\Model\OrderItem $item, $amount = null)
{
return $item->getVariant() && !$item->getVariant()->getDefaultAmount() ? ($amount ?: 0) < $item->getVariant()->getAvailableAmount() : parent::checkAmount($item, $amount);
}
