Symfony VideosController

<?php

namespace App\Controller\Pages;

use App\Entity\Db_Products;
use App\Entity\Db_Timestamps;
use App\Entity\Db_Transcripts;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Routing\Annotation\Route;
use Doctrine\ORM\PersistentCollection;
use Symfony\Component\HttpFoundation\Request;

class VideosController extends AbstractController {

    /**
     * @Route("/products/{id}", name="a_products")
     */
    public function index(int $id, UserInterface $userInterface = null, Request $request) {

        header("Expires: Tue, 03 Jul 2001 06:00:00 GMT");
        header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
        header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0");
        header("Cache-Control: post-check=0, pre-check=0", false);
        header("Pragma: no-cache");
        header("Connection: close");

        if ($product = $this->getDoctrine()->getRepository(Db_Products::class)->find($id)) {
            if ($product->getPublic()) {
                $file = $this->getParameter("kernel.project_dir") . "/products/" . $product->getPath() . "/" . $product->getFile();
                session_write_close();
                header('Content-Type: '.mime_content_type($file));
                header('Content-Length:' . filesize($file));
                return (new VideoStream($file))->start();
            }

            if ($userInterface) {
                if ($userInterface->getRoles()[0] == "ROLE_USER") {
                    if (!$request->get("video")) {
                        $file = $this->getParameter("kernel.project_dir") . "/products/" . $product->getPath() . "/" . $product->getFile();
                        session_write_close();
                        header('Content-Type: '.mime_content_type($file));
                        header('Content-Length:' . filesize($file));
                        return (new VideoStream($file))->start();
                    }

                    /**
                     * @var PersistentCollection
                     */
                    $users = $product->getUsers();


                    foreach ($users as $user) {
                        if ($user == $userInterface) {
                            $file = $this->getParameter("kernel.project_dir") . "/products/" . $product->getPath() . "/" . $product->getFile();

                            if ($videoId = $request->get("video")) {
                                /**
                                 * @var Db_Timestamps
                                 */
                                $video = $this->getDoctrine()->getRepository(Db_Timestamps::class)->find($videoId);
                                $file = $this->getParameter("kernel.project_dir") . "/products/" . $product
                                            ->getPath() . "/" . $video->getVideoName();
                            }
                            session_write_close();
                            header('Content-Type: '.mime_content_type($file));
                            header('Content-Length:' . filesize($file));
                            return (new VideoStream($file))->start();
                        }
                    }
                }
            }
        }
        return new Response('Private video', 500);
    }
}