From 5642193610004e3996ceb8bf0ecd7a84b37e4b2a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Fromme?= <fromme@dreipunktnull.com>
Date: Wed, 24 Sep 2025 10:59:23 +0200
Subject: [PATCH] feat: validate room selection

---
 src/Form/Model/BookingCreateDto.php       | 12 ++++++++++++
 templates/booking/create_step_1.html.twig |  1 +
 2 files changed, 13 insertions(+)

diff --git a/src/Form/Model/BookingCreateDto.php b/src/Form/Model/BookingCreateDto.php
index d2626b2..3a5265a 100644
--- a/src/Form/Model/BookingCreateDto.php
+++ b/src/Form/Model/BookingCreateDto.php
@@ -4,6 +4,7 @@ namespace App\Form\Model;
 
 use App\BusProNet\Model\Travel;
 use Symfony\Component\Validator\Constraints as Assert;
+use Symfony\Component\Validator\Context\ExecutionContextInterface;
 
 class BookingCreateDto implements BookingDtoInterface
 {
@@ -49,4 +50,15 @@ class BookingCreateDto implements BookingDtoInterface
     {
         return $this->participants[$index] ?? null;
     }
+
+    #[Assert\Callback(callback: 'validateRoomSelection', groups: ['booking_create_step_1'])]
+    public function validateRoomSelection(ExecutionContextInterface $context): void
+    {
+        $selectedRooms = $this->getSelectedRooms();
+
+        if (0 === count($selectedRooms)) {
+            $context->buildViolation('Bitte mindestens ein Zimmer/Bett auswählen')
+                ->addViolation();
+        }
+    }
 }
diff --git a/templates/booking/create_step_1.html.twig b/templates/booking/create_step_1.html.twig
index deedf8e..4d751cd 100644
--- a/templates/booking/create_step_1.html.twig
+++ b/templates/booking/create_step_1.html.twig
@@ -9,6 +9,7 @@
                 Unterkunft
             </h2>
             {{ form_start(form) }}
+            {{ form_errors(form) }}
             {% if groupedRooms.by_room is not empty %}
                 <h3>
                     Zimmer