wip: booking summary for step 1

src/Controller/Booking/CreateStep1Controller.php

@@ -33,7 +33,7 @@ class CreateStep1Controller extends AbstractController
     public function index(Request $request): Response
     {
         $bookingCreateDto = $this->bookingService->getOrCreateBookingCreateDto($request);
-        $participantsCount = $this->bookingService->getParticipantsCount($bookingCreateDto->roomSelections, $bookingCreateDto->travel);
+        $summary = $this->bookingService->getRoomSummaryAndParticipantCount($bookingCreateDto);
 
         // Validate step access - allow step 1 or redirect to current step
         $this->validateStepAccess($bookingCreateDto, 1);
@@ -53,8 +53,33 @@ class CreateStep1Controller extends AbstractController
 
         return $this->render('booking/create_step_1.html.twig', [
             'bookingCreateDto' => $bookingCreateDto,
-            'participantsCount' => $participantsCount,
+            'roomSummary' => $summary['selectedRooms'],
+            'participantCount' => $summary['participantCount'],
             'form' => $form->createView(),
         ]);
     }
+
+    /**
+     * HTMX endpoint for live summary updates in step 1.
+     */
+    #[Route('/bookings/create/room-summary', name: 'app_booking_create_step_1_room_summary', methods: ['POST'])]
+    public function roomSummary(Request $request): Response
+    {
+        $bookingCreateDto = $this->bookingService->getOrCreateBookingCreateDto($request);
+
+        // Process the form to update the DTO with the latest room selection
+        $form = $this->createForm(BookingCreateStep1Type::class, $bookingCreateDto, [
+            'validation_groups' => false,
+        ]);
+        $form->handleRequest($request);
+
+        $this->bookingService->saveBookingCreateDto($request, $bookingCreateDto);
+
+        $summary = $this->bookingService->getRoomSummaryAndParticipantCount($bookingCreateDto);
+
+        return $this->render('booking/_room_summary.html.twig', [
+            'roomSummary' => $summary['selectedRooms'],
+            'participantCount' => $summary['participantCount'],
+        ]);
+    }
 }

src/Service/BookingService.php

@@ -120,4 +120,21 @@ class BookingService
 
         return $counts;
     }
+
+    /**
+     * Returns a summary of selected rooms and the resulting participant count for a booking.
+     *
+     * @param BookingCreateDto $bookingCreateDto
+     * @return array{selectedRooms: array, participantCount: int}
+     */
+    public function getRoomSummaryAndParticipantCount(BookingCreateDto $bookingCreateDto): array
+    {
+        $selectedRooms = $bookingCreateDto->getSelectedRooms();
+        $participantCount = $this->getParticipantsCount($selectedRooms, $bookingCreateDto->travel);
+
+        return [
+            'selectedRooms' => $selectedRooms,
+            'participantCount' => $participantCount,
+        ];
+    }
 }