ByPrice::checkByEntity

static function checkByEntity(Entity $shipment, array $restrictionParams, $mode, $deliveryId = 0)
{
	$severity = self::getSeverity($mode);

	if($severity == RestrictionManager::SEVERITY_NONE)
		return RestrictionManager::SEVERITY_NONE;

	$price = self::extractParams($shipment);
	$sCurrency = $shipment->getCurrency();

	if (!empty($sCurrency) && !empty($restrictionParams["CURRENCY"]) && BitrixMainLoader::includeModule('currency'))
	{
		$price = CCurrencyRates::convertCurrency(
			$price,
			$sCurrency,
			$restrictionParams["CURRENCY"]
		);
	}

	$res = self::check($price, $restrictionParams, $deliveryId);
	return $res ? RestrictionManager::SEVERITY_NONE : $severity;
}