feat: refactor to cards

src/Controller/Booking/Traits/BookingCreateTrait.php

@@ -0,0 +1,81 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller\Booking\Traits;
+
+use App\Form\Model\BookingDto;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+
+/**
+ * Provides common functionality for booking creation controllers.
+ *
+ * This trait contains shared validation and redirect logic used across
+ * all booking creation steps to ensure consistent behavior and reduce
+ * code duplication.
+ */
+trait BookingCreateTrait
+{
+    /**
+     * Validates step access and returns redirect response if necessary.
+     *
+     * @return RedirectResponse|null Returns redirect response if validation fails, null if access is allowed
+     */
+    private function validateStepAccess(BookingDto $bookingCreateDto, int $expectedStep): ?RedirectResponse
+    {
+        // Allow access to current step or any previous step
+        if ($expectedStep > $bookingCreateDto->currentStep) {
+            $this->addFlash('error', 'Bitte erst die vorherigen Schritte abschließen.');
+
+            return $this->redirectToCurrentStep($bookingCreateDto);
+        }
+
+        return null;
+    }
+
+    /**
+     * Redirects to the current step based on the DTO's currentStep.
+     */
+    private function redirectToCurrentStep(BookingDto $bookingCreateDto): RedirectResponse
+    {
+        $route = match ($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',
+        };
+
+        return $this->redirectToRoute($route);
+    }
+
+    /**
+     * Returns the total number of participants based on room selections.
+     */
+    private function getParticipantsCount(BookingDto $bookingCreateDto): int
+    {
+        return $this
+            ->bookingService
+            ->getParticipantsCount($bookingCreateDto->roomSelections, $bookingCreateDto->travel);
+    }
+
+    /**
+     * Prepares template variables for the booking summary sidebar.
+     *
+     * @return array<string, mixed> Array containing all variables needed for the summary partial
+     */
+    private function getSummaryVariables(BookingDto $bookingCreateDto): array
+    {
+        $participantsCount = $this->getParticipantsCount($bookingCreateDto);
+        $summary = $this->bookingService->getRoomSummaryAndParticipantCount($bookingCreateDto);
+        $roomAssignmentCounts = $this->bookingService->getRoomAssignmentCounts($bookingCreateDto);
+        $availableRooms = $bookingCreateDto->travel->getAvailableRooms();
+        $groupedSelectedRooms = $this->bookingService->groupRoomSelectionsByType($bookingCreateDto->getSelectedRooms(), $availableRooms);
+
+        return [
+            'participantsCount' => $participantsCount,
+            'pricingData' => $summary['pricing'],
+            'assignmentCounts' => $roomAssignmentCounts,
+            'groupedSelectedRooms' => $groupedSelectedRooms,
+        ];
+    }
+}