currency.php

См. документацию.

<?php
namespace Bitrix\Sale\Services\Company\Restrictions;
 
use Bitrix\Currency\CurrencyManager;
use Bitrix\Main\Localization\Loc;
use Bitrix\Sale\Delivery\Restrictions;
use Bitrix\Sale\Internals;
use Bitrix\Sale;
use Bitrix\Sale\PaymentCollection;
use Bitrix\Sale\ShipmentCollection;
use Bitrix\Sale\Services\Base;
 
Loc::loadMessages(__FILE__);

class Currency extends Base\Restriction
{
    protected static function extractParams(Internals\Entity $entity)
    {
        if ($entity instanceof Internals\CollectableEntity)
        {
            $collection = $entity->getCollection();

            $order = $collection->getOrder();
        }
        elseif ($entity instanceof Sale\Order)
        {
            $order = $entity;
        }
 
        if (!$order)
            return false;
 
        return $order->getCurrency();
    }

    public static function getClassTitle()
    {
        return Loc::getMessage('SALE_COMPANY_RULES_BY_CURRENCY_TITLE');
    }

    public static function getClassDescription()
    {
        return Loc::getMessage('SALE_COMPANY_RULES_BY_CURRENCY_DESC');
    }

    public static function getParamsStructure($entityId = 0)
    {
        return array(
            "CURRENCY" => array(
                "TYPE" => "ENUM",
                'MULTIPLE' => 'Y',
                "LABEL" => Loc::getMessage("SALE_COMPANY_RULES_BY_CURRENCY"),
                "OPTIONS" => CurrencyManager::getCurrencyList()
            )
        );
    }

    public static function check($params, array $restrictionParams, $serviceId = 0)
    {
        if (isset($restrictionParams) && is_array($restrictionParams['CURRENCY']))
            return in_array($params, $restrictionParams['CURRENCY']);
 
        return true;
    }
}