price.php

См. документацию.

<?php
 
namespace Bitrix\Sale\Services\PaySystem\Restrictions;
 
use Bitrix\Main\ArgumentTypeException;
use Bitrix\Main\Localization\Loc;
use Bitrix\Sale\Internals\Entity;
use Bitrix\Sale\Order;
use Bitrix\Sale\PaymentCollection;
use Bitrix\Sale\Services\Base;
use Bitrix\Sale\Payment;
 
Loc::loadMessages(__FILE__);
 
class Price extends Base\Restriction
{
    public static function check($params, array $restrictionParams, $serviceId = 0)
    {
        $maxValue = static::getPrice($params, $restrictionParams['MAX_VALUE']);
        $minValue = static::getPrice($params, $restrictionParams['MIN_VALUE']);
        $price = (float)$params['PRICE_PAYMENT'];
 
        if ($maxValue > 0 && $minValue > 0)
        {
            return ($maxValue >= $price) && ($minValue <= $price);
        }
 
        if ($maxValue > 0)
        {
            return $maxValue >= $price;
        }
 
        if ($minValue >= 0)
        {
            return $minValue <= $price;
        }
 
        return false;
    }

    protected static function extractParams(Entity $entity)
    {
        $orderPrice = null;
        $paymentPrice = null;
 
        if ($entity instanceof Payment)
        {
            $collection = $entity->getCollection();
            $order = $collection->getOrder();
 
            $orderPrice = $order->getPrice();
            $paymentPrice = $entity->getField('SUM');
        }
 
        return array(
            'PRICE_PAYMENT' => $paymentPrice,
            'PRICE_ORDER' => $orderPrice,
        );
    }

    protected static function getPrice($entityParams, $paramValue)
    {
        return (float)$paramValue;
    }

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

    public static function getClassDescription()
    {
        return Loc::getMessage('SALE_PS_RESTRICTIONS_BY_PRICE_DESC');
    }
 
    public static function getOnApplyErrorMessage(): string
    {
        return Loc::getMessage('SALE_PS_RESTRICTIONS_BY_PRICE_ON_APPLY_ERROR_MSG');
    }

    public static function getParamsStructure($entityId = 0)
    {
        return array(
            "MIN_VALUE" => array(
                'TYPE' => 'NUMBER',
                'DEFAULT' => 0,
                'LABEL' => Loc::getMessage("SALE_PS_RESTRICTIONS_BY_PRICE_TYPE_MORE")
            ),
            "MAX_VALUE" => array(
                'TYPE' => 'NUMBER',
                'DEFAULT' => 0,
                'LABEL' => Loc::getMessage("SALE_PS_RESTRICTIONS_BY_PRICE_TYPE_LESS")
            )
        );
    }

    public static function getRange(Payment $payment, $params)
    {
        if ($payment instanceof Payment)
        {
            $p = static::extractParams($payment);
            return array(
                'MAX' => static::getPrice($p, $params['MAX_VALUE']),
                'MIN' => static::getPrice($p, $params['MIN_VALUE']),
            );
        }
 
        throw new ArgumentTypeException('');
    }

    public static function getSeverity($mode)
    {
        return Manager::SEVERITY_SOFT;
    }
}