Support oft parent groups

app/Domains/Event/Controllers/SignupController.php

@@ -7,6 +7,7 @@ use App\Domains\Event\Actions\CertificateOfConductionCheck\CertificateOfConducti
 use App\Domains\Event\Actions\SignUp\SignUpCommand;
 use App\Domains\Event\Actions\SignUp\SignUpRequest;
 use App\Mail\ParticipantParticipationMails\EventSignUpSuccessfullMail;
+use App\Models\ParentGroup;
 use App\Models\Tenant;
 use App\Providers\DoubleCheckEventRegistrationProvider;
 use App\Providers\InertiaProvider;
@@ -65,7 +66,7 @@ class SignupController extends CommonController {
         $inertiaProvider = new InertiaProvider('Event/Signup', [
             'event' => $event,
             'availableEvents' => $availableEvents,
-            'localGroups' => $event['contributingLocalGroups'],
+            'localGroups' => $event['participantGroupOptions'] ?? [],
             'participantData' => $participantData,
         ]);
         return $inertiaProvider->render();
@@ -111,6 +112,15 @@ class SignupController extends CommonController {
         $addonResolution = $eventResource->resolveAddons($selectedAddonKeys, $arrival, $departure);
         $amount->addAmount($addonResolution['total']);
 
+        // Gewählt wird eine der Optionen der Veranstaltung (Local oder Parent Group); anderes wird abgelehnt.
+        $participantGroup = $event->participantGroupOptions()->firstWhere('id', (int)($registrationData['localGroup'] ?? 0));
+        if ($participantGroup === null) {
+            return response()->json([
+                'status' => 'error',
+                'message' => sprintf('Bitte bei „%s" eine Auswahl treffen.', $event->participantGroupType()->label()),
+            ], 422);
+        }
+
         $signupRequest = new SignUpRequest(
             $event,
             $registrationData['userId'] ?? null,
@@ -118,7 +128,7 @@ class SignupController extends CommonController {
             $registrationData['nachname'],
             $registrationData['pfadiname'],
             $registrationData['participationType'],
-            Tenant::findOrFail($registrationData['localGroup']),
+            $participantGroup instanceof Tenant ? $participantGroup : null,
             \DateTime::createFromFormat('Y-m-d', $registrationData['geburtsdatum']),
             $registrationData['address1'],
             $registrationData['address2'],
@@ -153,6 +163,7 @@ class SignupController extends CommonController {
             $addonResolution['items'],
             $registrationData['beitrag'],
             $siblingReduction,
+            $participantGroup instanceof ParentGroup ? $participantGroup : null,
         );
 
         $signupCommand = new SignUpCommand($signupRequest);