get a post with or without comments

PostController.php

<?php

namespace App\Controller;

use App\Entity\Post;
use App\Review;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;

class PostController extends AbstractController
{
    /**
     * @Route("/post/{id}/{showComments}", name="post_show", methods={"GET"})
     * @param Request $request
     * @param Post $post
     * @param Review $review
     * @param bool $showComments
     * @return Response
     */
    public function show(Request $request, Post $post, Review $review, bool $showComments): Response
    {
        return $this->render('post/show.html.twig', [
            'post' => $post,
            'rating' => $review->getRating($post),
            'comments' => $showComments ? $post->getComments() : null,
        ]);
    }
}