feat: refactor to cards

src/Controller/Booking/Traits/BookingExceptionHandlerTrait.php

@@ -0,0 +1,73 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller\Booking\Traits;
+
+use App\Exception\BookingSessionNotFoundException;
+use App\Exception\HotelNotFoundException;
+use App\Exception\HotelNotInTravelException;
+use App\Exception\NoRoomsAvailableException;
+use App\Exception\TravelNotFoundException;
+use App\Form\Model\BookingDto;
+use App\Service\BookingService;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * Provides centralized exception handling for booking controllers.
+ *
+ * This trait contains common exception handling logic for booking operations
+ * including user-friendly error messages and appropriate redirects.
+ */
+trait BookingExceptionHandlerTrait
+{
+    /**
+     * Safely retrieves booking DTO with centralized exception handling.
+     *
+     * Handles all booking-related exceptions and provides appropriate user feedback
+     * by redirecting to the error page with flash messages.
+     */
+    protected function getOrCreateBookingCreateDto(BookingService $bookingService, Request $request): BookingDto|RedirectResponse
+    {
+        try {
+            return $bookingService->getOrCreateBookingCreateDto($request);
+        } catch (BookingSessionNotFoundException $e) {
+            $this->addFlash('error', 'Ihre Buchungssitzung ist abgelaufen. Bitte starten Sie eine neue Buchung.');
+
+            return $this->redirectToRoute('app_booking_create_error');
+        } catch (TravelNotFoundException $e) {
+            $this->addFlash('error', 'Die angeforderte Reise wurde nicht gefunden.');
+
+            return $this->redirectToRoute('app_booking_create_error');
+        } catch (HotelNotFoundException $e) {
+            $this->addFlash('error', 'Das angeforderte Hotel wurde nicht gefunden.');
+
+            return $this->redirectToRoute('app_booking_create_error');
+        } catch (HotelNotInTravelException $e) {
+            $this->addFlash('error', 'Das Hotel ist für diese Reise nicht verfügbar.');
+
+            return $this->redirectToRoute('app_booking_create_error');
+        } catch (NoRoomsAvailableException $e) {
+            $this->addFlash('error', 'Für diese Reise sind aktuell keine Zimmer verfügbar.');
+
+            return $this->redirectToRoute('app_booking_create_error');
+        }
+    }
+
+    /**
+     * Safely retrieves booking DTO for HTMX requests with lightweight error responses.
+     *
+     * Returns empty 400 responses for HTMX requests when exceptions occur,
+     * allowing the frontend to handle errors appropriately.
+     */
+    protected function getOrCreateBookingCreateDtoForHtmx(BookingService $bookingService, Request $request): mixed
+    {
+        try {
+            return $bookingService->getOrCreateBookingCreateDto($request);
+        } catch (BookingSessionNotFoundException|TravelNotFoundException|HotelNotFoundException|HotelNotInTravelException|NoRoomsAvailableException $e) {
+            return new Response('', 400);
+        }
+    }
+}