Signature: get the stored object back in the check signature API

src/Bundle/ChillDocStoreBundle/Controller/SignatureRequestController.php

@@ -23,6 +23,7 @@ use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\Messenger\MessageBusInterface;
 use Symfony\Component\Routing\Annotation\Route;
 use Symfony\Component\Security\Core\Security;
+use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
 
 class SignatureRequestController
 {
@@ -31,6 +32,7 @@ class SignatureRequestController
         private readonly StoredObjectManagerInterface $storedObjectManager,
         private readonly EntityWorkflowManager $entityWorkflowManager,
         private readonly ChillEntityRenderManagerInterface $entityRender,
+        private readonly NormalizerInterface $normalizer,
         private readonly Security $security,
     ) {}
 
@@ -72,6 +74,14 @@ class SignatureRequestController
     #[Route('/api/1.0/document/workflow/{id}/check-signature', name: 'chill_docstore_check_signature')]
     public function checkSignature(EntityWorkflowStepSignature $signature): JsonResponse
     {
-        return new JsonResponse($signature->getState(), JsonResponse::HTTP_OK, []);
+        $entityWorkflow = $signature->getStep()->getEntityWorkflow();
+        $storedObject = $this->entityWorkflowManager->getAssociatedStoredObject($entityWorkflow);
+
+        return new JsonResponse(
+            [
+                'state' => $signature->getState(),
+                'storedObject' => $this->normalizer->normalize($storedObject, 'json')
+            ],
+            JsonResponse::HTTP_OK, []);
     }
 }