currency.php

См. документацию.

<?php
 
namespace Bitrix\Sale\Services\PaySystem\Restrictions;
 
use Bitrix\Currency\CurrencyManager;
use Bitrix\Main\ArgumentTypeException;
use Bitrix\Main\Localization\Loc;
use Bitrix\Sale\Internals\CollectableEntity;
use Bitrix\Sale\Internals\Entity;
use Bitrix\Sale\Order;
use Bitrix\Sale\Payment;
use Bitrix\Sale\PaySystem;
use Bitrix\Sale\PaySystem\Service;
use Bitrix\Sale\Services\Base;
 
Loc::loadMessages(__FILE__);
 
class Currency extends Base\Restriction
{
    public static function check($params, array $restrictionParams, $serviceId = 0)
    {
        if (isset($restrictionParams) && is_array($restrictionParams['CURRENCY']))
            return in_array($params, $restrictionParams['CURRENCY']);
 
        return true;
    }

    protected static function extractParams(Entity $entity)
    {
        if ($entity instanceof Payment)
        {
            $collection = $entity->getCollection();

            $order = $collection->getOrder();
 
            return $order->getCurrency();
        }
        elseif ($entity instanceof Order)
        {
            return $entity->getCurrency();
        }
 
        throw new ArgumentTypeException('');
    }

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

    public static function getClassDescription()
    {
        return Loc::getMessage('SALE_PS_RESTRICTIONS_BY_CURRENCY_DESC');
    }
 
    public static function getOnApplyErrorMessage(): string
    {
        return Loc::getMessage('SALE_PS_RESTRICTIONS_BY_CURRENCY_ON_APPLY_ERROR_MSG');
    }
 
    public static function getParamsStructure($entityId = 0)
    {
        $data = PaySystem\Manager::getById($entityId);
 
        $currencyList = CurrencyManager::getCurrencyList();
 
        if ($data !== false)
        {
            $paySystem = new Service($data);
            $psCurrency = $paySystem->getCurrency();
 
            $options = array();
            foreach ($psCurrency as $code)
                $options[$code] = (isset($currencyList[$code])) ? $currencyList[$code] : $code;
 
            if ($options)
            {
                return array(
                    "CURRENCY" => array(
                        "TYPE" => "ENUM",
                        'MULTIPLE' => 'Y',
                        "LABEL" => Loc::getMessage("SALE_PS_RESTRICTIONS_BY_CURRENCY_NAME"),
                        "OPTIONS" => $options
                    )
                );
            }
        }
 
        return array();
    }
 
    public static function save(array $fields, $restrictionId = 0)
    {
        return parent::save($fields, $restrictionId);
    }
 
 
}