pflaenz.li-Symfony/src/Controller/AppController.php

<?php

namespace App\Controller;

use App\Entity\Offering;
use App\Form\OfferingFormType;
use App\Repository\OfferingRepository;

use Doctrine\ORM\EntityManagerInterface;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;
use Twig\Environment;

class AppController extends AbstractController
{
    private $entityManager;

    public function __construct(EntityManagerInterface $entityManager)
    {
        $this->entityManager = $entityManager;
    }

    #[Route('/', name: 'homepage')]
    public function index(Environment $twig, OfferingRepository $offeringRepository): Response
    {
        return new Response($twig->render('app/index.html.twig', [
            'offerings' => $offeringRepository->findAll(),
        ]));
    }

    #[Route('/user', name: 'user_page')]
    public function user(): Response
    {
        return $this->render('app/user.html.twig', [
            'user' => $this->getUser(),
        ]);
    }

    #[Route('/new', name: 'new_listing')]
    public function new_listing(Request $request, string $photoDir): Response
    {
        $offering = new Offering();
        $form = $this->createForm(OfferingFormType::class, $offering);
        $user = $this->getUser(); 

        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $offering->setByUser($user);
            $offering->setCreatedAt(new \DateTime());

            if ($photo = $form['photo']->getData()) {
                $filename = bin2hex(random_bytes(6)).'.'.$photo->guessExtension();
                try {
                    $photo->move($photoDir, $filename);
                } catch (FileException $e) {
                    // unable to upload the photo, give up
                    $this->addFlash("error", "There was an error uploading the photo: ".$e);
                    return $this->redirectToRoute('new_listing');
                }
                $offering->setPhotoFilename($filename);
            }

            $this->entityManager->persist($offering);
            $this->entityManager->flush();

            $this->addFlash("success", "Successfully added the new offering!");
            return $this->redirectToRoute('homepage');
        }

        return $this->render('app/new_listing.html.twig', [
            'user' => $this->getUser(),
            'offering_form' => $form->createView(),
        ]);
    }

    #[Route('/offer/{id}', name: 'show_offer')]
    public function show_offer(Offering $offering): Response
    {
        return $this->render('app/offer.html.twig', [
            'offer' => $offering,
        ]);
    }
}