feat: groups price calculator admin crud, booking/offer flow and api

src/Controller/Groups/Step3Controller.php

@@ -0,0 +1,90 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller\Groups;
+
+use App\Entity\Groups\Accommodation;
+use App\Exception\AccommodationSessionNotFoundException;
+use App\Form\AccommodationStep3Type;
+use App\Form\Model\AccommodationBookingDto;
+use App\Model\AccommodationBookingContext;
+use App\Service\AccommodationBookingService;
+use App\Service\AccommodationSessionManager;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+
+class Step3Controller extends AbstractAccommodationController
+{
+    public function __construct(
+        private readonly AccommodationBookingService $bookingService,
+        private readonly AccommodationSessionManager $sessionManager,
+    ) {
+    }
+
+    #[Route('/groups/booking/step-3', name: 'app_groups_booking_step_3')]
+    public function index(Request $request): Response
+    {
+        $dto = $this->resolveDto($request);
+        if ($dto instanceof Response) {
+            return $dto;
+        }
+
+        $accommodation = $this->loadAccommodationOrFail($dto);
+        $services = $this->bookingService->loadAvailableServices($dto, $accommodation);
+
+        $ctx = new AccommodationBookingContext(
+            accommodation: $accommodation,
+            hotelCmsData: $this->bookingService->loadHotelCmsData($accommodation),
+            boardServices: $services['boardServices'],
+            additionalServices: $services['additionalServices'],
+            priceBreakdown: $dto->priceBreakdown ?: null,
+        );
+
+        $form = $this->createForm(AccommodationStep3Type::class, $dto);
+        $form->handleRequest($request);
+
+        if ($form->isSubmitted() && $form->isValid()) {
+            $dto->currentStep = 4;
+            $this->sessionManager->save($request, $dto);
+
+            return $this->redirectToRoute('app_groups_booking_step_4');
+        }
+
+        return $this->render('groups/booking/step_3.html.twig', [
+            'dto' => $dto,
+            'ctx' => $ctx,
+            'form' => $form,
+        ]);
+    }
+
+    /**
+     * Loads the session DTO and checks step access, returning an early
+     * response (session failure or step-access redirect) if either fails.
+     */
+    private function resolveDto(Request $request): AccommodationBookingDto|Response
+    {
+        try {
+            $dto = $this->sessionManager->getOrFail($request);
+        } catch (AccommodationSessionNotFoundException $e) {
+            return $this->createFailureResponse($e, false);
+        }
+
+        if ($redirect = $this->validateStepAccess($dto, 3)) {
+            return $redirect;
+        }
+
+        return $dto;
+    }
+
+    private function loadAccommodationOrFail(AccommodationBookingDto $dto): Accommodation
+    {
+        $accommodation = $this->bookingService->loadAccommodation($dto->accommodationId);
+        if (null === $accommodation) {
+            throw $this->createNotFoundException();
+        }
+
+        return $accommodation;
+    }
+}