wip: feedback about booked and assigned rooms

src/Controller/Booking/CreateStep2Controller.php

@@ -4,11 +4,11 @@ declare(strict_types=1);
 
 namespace App\Controller\Booking;
 
+use App\Controller\Traits\HtmxControllerTrait;
 use App\Form\BookingCreateStep2Type;
 use App\Form\Model\BookingCreateDto;
 use App\Form\Model\ParticipantDto;
 use App\Service\BookingService;
-use App\Validator\Constraints\Participant;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
@@ -23,6 +23,7 @@ use Symfony\Component\Routing\Attribute\Route;
 class CreateStep2Controller extends AbstractController
 {
     use BookingCreateTrait;
+    use HtmxControllerTrait;
 
     public function __construct(
         private readonly BookingService $bookingService,
@@ -61,9 +62,12 @@ class CreateStep2Controller extends AbstractController
             return $this->redirectToRoute('app_booking_create_step_3');
         }
 
+        $roomAssignmentCounts = $this->bookingService->getRoomAssignmentCounts($bookingCreateDto);
+
         return $this->render('booking/create_step_2.html.twig', [
             'bookingCreateDto' => $bookingCreateDto,
             'participantsCount' => $participantsCount,
+            'assignmentCounts' => $roomAssignmentCounts,
             'form' => $form->createView(),
         ]);
     }
@@ -76,6 +80,7 @@ class CreateStep2Controller extends AbstractController
     public function refreshParticipantForm(Request $request): Response
     {
         $bookingCreateDto = $this->bookingService->getOrCreateBookingCreateDto($request);
+        $participantsCount = $this->getParticipantsCount($bookingCreateDto);
 
         // Process form data without validation to capture current state
         $form = $this->createForm(BookingCreateStep2Type::class, $bookingCreateDto, [
@@ -85,9 +90,20 @@ class CreateStep2Controller extends AbstractController
 
         $form->handleRequest($request);
 
-        return $this->renderBlock('booking/create_step_2.html.twig', 'participants_form', [
-            'form' => $form->createView(),
-        ]);
+        $roomAssignmentCounts = $this->bookingService->getRoomAssignmentCounts($bookingCreateDto);
+
+        // The DTO is now updated with the latest selection.
+        // We can now render the blocks with the fresh data.
+        return $this->htmxOobResponse(
+            'booking/create_step_2.html.twig',
+            ['participants_form', 'booking_summary'],
+            [
+                'form' => $form->createView(),
+                'bookingCreateDto' => $bookingCreateDto,
+                'participantsCount' => $participantsCount,
+                'assignmentCounts' => $roomAssignmentCounts,
+            ]
+        );
     }
 
     private function getParticipantsCount(BookingCreateDto $bookingCreateDto): int