ExportOffer::getQuantity

protected function getQuantity($productId)
{
	$result = 0;

	$rsProducts = CCatalogProduct::GetList(
		array(),
		array('ID' => $productId),
		false,
		false,
		array('ID', 'QUANTITY', 'QUANTITY_TRACE', 'CAN_BUY_ZERO')
	);

	if ($arProduct = $rsProducts->Fetch())
	{
		$arProduct['QUANTITY'] = doubleval($arProduct['QUANTITY']);

		if (0 >= $arProduct['QUANTITY'] && ('Y' != $arProduct['QUANTITY_TRACE'] || 'N' != $arProduct['CAN_BUY_ZERO']))
			$result = 1;
		else
			$result = $arProduct['QUANTITY'];
	}

	return $result;
}