Symfony Interkassa Integration Primer

interkassa.php

<?php

namespace Mlm\PaymentBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Template;
use Symfony\Component\HttpFoundation\Request;
use Mlm\PaymentBundle\Entity\Order;
use Symfony\Component\HttpFoundation\JsonResponse;

class PaymentController extends Controller
{

    /**
     * @param Request $request
     *@return \Symfony\Component\HttpFoundation\RedirectResponse|\Symfony\Component\HttpFoundation\Response
     * @Route("/payment/status", name="payment_status")
     */
    public function paymentStatusAction(Request $request)
    {
        $post = $request->request->all();
        $shopId = $this->container->getParameter('interkassa_id');
        $testKey = $this->container->getParameter('interkassa_secret_test_key');
        $secretKey = $this->container->getParameter('interkassa_secret_key');
        if ($post['ik_co_id'] != $shopId ) {
            return false;
        }
        $ik_key = ($post['ik_pw_via'] == 'test_interkassa_test_xts') ? $testKey : $secretKey;
        $data = array();
        foreach ($post as $key => $value)
        {
            if (!preg_match('/ik_/', $key))
                continue;
            $data[$key] = $value;
        }

        $ik_sign = $data['ik_sign'];
        unset($data['ik_sign']);

        ksort($data, SORT_STRING);
        array_push($data, $ik_key);
        
        $signString = implode(':', $data);
        $sign = base64_encode(md5($signString, true));
     
        $order = $this->getEM()->getRepository('MlmPaymentBundle:Order')->findBy(['billNumber' => $post['ik_pm_no']])[0];

        if ($sign === $ik_sign && $data['ik_inv_st'] == 'success') {
            $order->setStatus(Order::ORDER_STATUS_PAID);
            $this->getEM()->persist($order);
            $this->getEM()->flush();

            return new JsonResponse(true);
        } else {
            $order->setStatus(Order::ORDER_STATUS_CANCELLED);
            $this->getEM()->persist($order);
            $this->getEM()->flush();

            return new JsonResponse(false);
        }
    }
}