Update DropFile to handle object versioning

src/Bundle/ChillMainBundle/Controller/WorkflowAddSignatureController.php

@@ -0,0 +1,64 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Controller;
+
+use Chill\DocStoreBundle\Service\Signature\PDFSignatureZoneParser;
+use Chill\DocStoreBundle\Service\StoredObjectManagerInterface;
+use Chill\MainBundle\Entity\Workflow\EntityWorkflowStepSignature;
+use Chill\MainBundle\Workflow\EntityWorkflowManager;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
+use Twig\Environment;
+
+final class WorkflowAddSignatureController
+{
+    public function __construct(
+        private readonly EntityManagerInterface $entityManager,
+        private readonly EntityWorkflowManager $entityWorkflowManager,
+        private readonly StoredObjectManagerInterface $storedObjectManager,
+        private readonly PDFSignatureZoneParser $PDFSignatureZoneParser,
+        private readonly NormalizerInterface $normalizer,
+        private readonly Environment $twig
+    ) {}
+
+    #[Route(path: '/{_locale}/main/workflow/signature/{signature_id}/sign', name: 'chill_main_workflow_signature', methods: 'GET')]
+    public function __invoke(int $signature_id, Request $request, WorkflowController $workflowController): Response
+    {
+        $signature = $this->entityManager->getRepository(EntityWorkflowStepSignature::class)->find($signature_id);
+        $entityWorkflow = $signature->getStep()->getEntityWorkflow();
+
+        $storedObject = $this->entityWorkflowManager->getAssociatedStoredObject($entityWorkflow);
+        if (null === $storedObject) {
+            throw new NotFoundHttpException('No stored object found');
+        }
+
+        $zones = [];
+        $content = $this->storedObjectManager->read($storedObject);
+        if (null != $content) {
+            $zones = $this->PDFSignatureZoneParser->findSignatureZones($content);
+        }
+
+        $signatureClient = [];
+        $signatureClient['id'] = $signature->getId();
+        $signatureClient['storedObject'] = $this->normalizer->normalize($storedObject, 'json');
+        $signatureClient['zones'] = $zones;
+
+        return new Response($this->twig->render(
+            '@ChillMain/Workflow/_signature_sign.html.twig',
+            ['signature' => $signatureClient]
+        ));
+    }
+}