/**
* {@inheritdoc}
*/
public function isStockSufficient(StockableInterface $stockable, $quantity)
{
if ($stockable instanceof SoftDeletableInterface && $stockable->isDeleted()) {
return false;
}
if ($this->backorders || $stockable->isAvailableOnDemand()) {
return true;
}
return $quantity <= $stockable->getOnHand() - $stockable->getOnHold();
}
