wip: confirmation step

src/Controller/Booking/BookingCreateTrait.php

@@ -41,6 +41,7 @@ trait BookingCreateTrait
         $route = match ($bookingCreateDto->currentStep) {
             2 => 'app_booking_create_step_2',
             3 => 'app_booking_create_step_3',
+            4 => 'app_booking_create_step_4',
             default => 'app_booking_create_step_1',
         };
 

src/Controller/Booking/CreateStep3Controller.php

@@ -49,12 +49,10 @@ class CreateStep3Controller extends AbstractController
         $form->handleRequest($request);
 
         if ($form->isSubmitted() && $form->isValid()) {
+            $bookingCreateDto->currentStep = 4;
             $this->bookingService->saveBookingCreateDto($request, $bookingCreateDto);
 
-            // TODO: Redirect to confirmation page or direct API submission
-            $this->addFlash('success', 'Zahlungsart erfolgreich ausgewählt.');
-
-            return $this->redirectToRoute('app_booking_create_step_3');
+            return $this->redirectToRoute('app_booking_create_step_4');
         }
 
         return $this->render('booking/create_step_3.html.twig', [

src/Controller/Booking/CreateStep4Controller.php

@@ -0,0 +1,64 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller\Booking;
+
+use App\Controller\Traits\HtmxControllerTrait;
+use App\Form\BookingCreateStep4Type;
+use App\Service\BookingService;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+/**
+ * Handles the fourth step of the booking creation process (confirmation).
+ */
+class CreateStep4Controller extends AbstractController
+{
+    use BookingCreateTrait;
+    use BookingExceptionHandlerTrait;
+    use HtmxControllerTrait;
+
+    public function __construct(
+        private readonly BookingService $bookingService,
+    ) {
+    }
+
+    /**
+     * Displays booking summary and confirmation form.
+     */
+    #[Route('/bookings/create/confirmation', name: 'app_booking_create_step_4')]
+    public function step4(Request $request): Response
+    {
+        $result = $this->getOrCreateBookingCreateDto($this->bookingService, $request);
+        if ($result instanceof Response) {
+            return $result;
+        }
+        $bookingCreateDto = $result;
+
+        // Validate step access
+        if ($redirect = $this->validateStepAccess($bookingCreateDto, 4)) {
+            return $redirect;
+        }
+
+        $form = $this->createForm(BookingCreateStep4Type::class, $bookingCreateDto);
+        $form->handleRequest($request);
+
+        if ($form->isSubmitted() && $form->isValid()) {
+            // TODO: Perform inquiry API call
+            // TODO: If inquiry successful, perform booking API call
+            // TODO: Clear session and redirect to success page
+
+            $this->addFlash('success', 'Buchung erfolgreich abgeschlossen.');
+
+            return $this->redirectToRoute('app_booking_create_step_4');
+        }
+
+        return $this->render('booking/create_step_4.html.twig', [
+            'bookingCreateDto' => $bookingCreateDto,
+            'form' => $form->createView(),
+            ...$this->getSummaryVariables($bookingCreateDto),
+        ]);
+    }
+}

src/Form/BookingCreateStep4Type.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Form;
+
+use App\Form\Model\BookingCreateDto;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+use Symfony\Component\Validator\Constraints as Assert;
+
+class BookingCreateStep4Type extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $builder
+            ->add('confirmationAccepted', CheckboxType::class, [
+                'label' => 'Ich bestätige, dass alle Angaben korrekt sind und möchte verbindlich buchen.',
+                'mapped' => false,
+                'constraints' => [
+                    new Assert\IsTrue(
+                        message: 'Bitte bestätigen Sie Ihre Buchung.'
+                    ),
+                ],
+            ])
+        ;
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefaults([
+            'data_class' => BookingCreateDto::class,
+        ]);
+    }
+}