Set requestor for accompanying period

src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php

@@ -12,6 +12,8 @@ use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 use Symfony\Component\Validator\Validator\ValidatorInterface;
 use Chill\PersonBundle\Privacy\AccompanyingPeriodPrivacyEvent;
 use Chill\PersonBundle\Entity\Person;
+use Chill\ThirdPartyBundle\Entity\ThirdParty;
+use Symfony\Component\Serializer\Exception\RuntimeException;
 
 class AccompanyingCourseApiController extends ApiController
 {
@@ -64,6 +66,50 @@ class AccompanyingCourseApiController extends ApiController
         return $this->json($participation);
     }
 
+    public function requestorApi($id, Request $request, string $_format): Response
+    {
+        /** @var AccompanyingPeriod $accompanyingPeriod */
+        $action = 'requestor';
+        $accompanyingPeriod = $this->getEntity($action, $id, $request);
+        // a requestor may be a person or a thirdParty
+
+        $this->checkACL($action, $request, $_format, $accompanyingPeriod);
+        $this->onPostCheckACL($action, $request, $_format, $accompanyingPeriod);
+
+        if (Request::METHOD_DELETE === $request->getMethod()) {
+            $accompanyingPeriod->setRequestor(NULL);
+        } elseif (Request::METHOD_POST === $request->getMethod()) {
+            $requestor = null;
+            $exceptions = [];
+            foreach ([Person::class, ThirdParty::class] as $class) {
+                try {
+                    $requestor = $this->getSerializer()
+                        ->deserialize($request->getContent(), $class, $_format, []);
+                } catch (RuntimeException $e) {
+                    $exceptions[] = $e;
+                } 
+            }
+            if ($requestor === null) {
+                throw new BadRequestException('Could not find any person or requestor', 0, $exceptions[0]);
+            }
+
+            $accompanyingPeriod->setRequestor($requestor);
+        } else {
+            throw new BadRequestException('method not supported');
+        }
+
+        $errors = $this->validator->validate($accompanyingPeriod);
+
+        if ($errors->count() > 0) {
+            // only format accepted
+            return $this->json($errors);
+        }
+
+        $this->getDoctrine()->getManager()->flush();
+
+        return $this->json($accompanyingPeriod->getRequestor());
+    }
+
     protected function onPostCheckACL(string $action, Request $request, string $_format, $entity): ?Response
     {
         $this->eventDispatcher->dispatch(