manager.php

<?php
 
namespace Bitrix\Sale\Services\PaySystem\Restrictions;
 
use Bitrix\Sale\Payment;
use Bitrix\Sale\Services\Base;
 
class Manager extends Base\RestrictionManager
{
    protected static $classNames = null;
 
    public static function getEventName()
    {
        return 'onSalePaySystemRestrictionsClassNamesBuildList';
    }
 
    protected static function getBuildInRestrictions()
    {
        return array(
            '\Bitrix\Sale\Services\PaySystem\Restrictions\PersonType' => 'lib/services/paysystem/restrictions/persontype.php',
            '\Bitrix\Sale\Services\PaySystem\Restrictions\Price' => 'lib/services/paysystem/restrictions/price.php',
            '\Bitrix\Sale\Services\PaySystem\Restrictions\PercentPrice' => 'lib/services/paysystem/restrictions/percentprice.php',
            '\Bitrix\Sale\Services\PaySystem\Restrictions\Currency' => 'lib/services/paysystem/restrictions/currency.php',
            '\Bitrix\Sale\Services\PaySystem\Restrictions\Delivery' => 'lib/services/paysystem/restrictions/delivery.php',
            '\Bitrix\Sale\Services\PaySystem\Restrictions\Site' => 'lib/services/paysystem/restrictions/site.php',
            '\Bitrix\Sale\Services\PaySystem\Restrictions\TradeBinding' => 'lib/services/paysystem/restrictions/tradebinding.php',
            '\Bitrix\Sale\Services\PaySystem\Restrictions\ProductCategory' => 'lib/services/paysystem/restrictions/productcategory.php',
            '\Bitrix\Sale\Services\PaySystem\Restrictions\ConcreteProduct' => 'lib/services/paysystem/restrictions/concreteproduct.php',
        );
    }
 
    protected static function getServiceType()
    {
        return parent::SERVICE_TYPE_PAYMENT;
    }
 
    public static function getPriceRange(Payment $payment, $paySystemId)
    {
        $result = array();
 
        $classes = array(
            '\Bitrix\Sale\Services\PaySystem\Restrictions\PercentPrice',
            '\Bitrix\Sale\Services\PaySystem\Restrictions\Price'
        );
 
        $params = array(
            'select' => array('CLASS_NAME', 'PARAMS'),
            'filter' => array(
                'SERVICE_ID' => $paySystemId,
                '=CLASS_NAME' => $classes
            )
        );
 
        $dbRes = Manager::getList($params);
        while ($data = $dbRes->fetch())
        {
            $range = $data['CLASS_NAME']::getRange($payment, $data['PARAMS']);
 
            if (!$result['MAX'] || $range['MAX'] < $result['MAX'])
                $result['MAX'] = $range['MAX'];
 
            if (!$result['MIN'] || $range['MIN'] > $result['MIN'])
                $result['MIN'] = $range['MIN'];
        }
 
        return $result;
    }
}