paymentrepository.php

См. документацию.

<?php
 
namespace Bitrix\Sale\Repository;
 
use Bitrix\Sale;

final class PaymentRepository
{
    private static $instance;

    private function __construct()
    {}

    public static function getInstance(): PaymentRepository
    {
        if (is_null(self::$instance))
        {
            self::$instance = new self();
        }
 
        return self::$instance;
    }

    public function getById(int $id): ?Sale\Payment
    {
        $paymentList = $this->getList([
            'select' => ['ID', 'ORDER_ID'],
            'filter' => [
                '=ID' => $id
            ],
        ]);
 
        return $paymentList[0] ?? null;
    }

    public function getByIds(array $ids): array
    {
        return $this->getList([
            'select' => ['ID', 'ORDER_ID'],
            'filter' => [
                '@ID' => $ids
            ],
        ]);
    }

    public function getList(array $parameters): array
    {
        $result = [];

        $paymentClass = Sale\Registry::getInstance(Sale\Registry::REGISTRY_TYPE_ORDER)->getPaymentClassName();
 
        $paymentList = $paymentClass::getList($parameters);
        while ($paymentRow = $paymentList->fetch())
        {
            $payment = $this->getByRow($paymentRow);
            if (is_null($payment))
            {
                continue;
            }
 
            $result[] = $payment;
        }
 
        return $result;
    }

    private function getByRow(array $paymentRow): ?Sale\Payment
    {
        $orderClassName = Sale\Registry::getInstance(Sale\Registry::REGISTRY_TYPE_ORDER)->getOrderClassName();

        $order = $orderClassName::load($paymentRow['ORDER_ID']);
        if ($order === null)
        {
            return null;
        }
 
        $paymentId = (int)$paymentRow['ID'];
        if ($paymentId > 0)
        {
            $payment = $order->getPaymentCollection()->getItemById($paymentRow['ID']);
 
            return $payment;
        }
 
        return null;
    }
}