Create address on the fly field in event form

src/Bundle/ChillEventBundle/Controller/EventController.php

@@ -41,6 +41,7 @@ use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\StreamedResponse;
 use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
 use Symfony\Component\Security\Core\Security;
+use Symfony\Component\Serializer\SerializerInterface;
 use Symfony\Contracts\Translation\TranslatorInterface;
 
 /**
@@ -59,6 +60,8 @@ final class EventController extends AbstractController
         private readonly PaginatorFactory $paginator,
         private readonly Security $security,
         private readonly \Doctrine\Persistence\ManagerRegistry $managerRegistry,
+        private readonly SerializerInterface $serializer,
+
     ) {}
 
     #[\Symfony\Component\Routing\Annotation\Route(path: '/{_locale}/event/event/{event_id}/delete', name: 'chill_event__event_delete', requirements: ['event_id' => '\d+'], methods: ['GET', 'POST', 'DELETE'])]
@@ -202,9 +205,12 @@ final class EventController extends AbstractController
             return $this->redirectToRoute('chill_event__event_show', ['event_id' => $entity->getId()]);
         }
 
+        $entity_array = $this->serializer->normalize($entity, 'json', ['groups' => 'read']);
+
         return $this->render('@ChillEvent/Event/new.html.twig', [
             'entity' => $entity,
             'form' => $form->createView(),
+            'entity_json' => $entity_array,
         ]);
     }