* refactored with entity service, so the code can be tested

src/App/Action/Article/PostAction.php

@@ -3,9 +3,7 @@
 namespace App\Action\Article;
 
 use App\Action\AbstractFormAction;
-use App\Entity\Article;
-use App\Hydrator\DoctrineObject;
-use Doctrine\ORM\EntityManager;
+use App\Service\EntityServiceInterface;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use Zend\Diactoros\Response\JsonResponse;
@@ -14,32 +12,26 @@ class PostAction extends AbstractFormAction
 {
 
     /**
-     * @var EntityManager 
+     * @var EntityServiceInterface
      */
-    private $em;
+    private $entityService;
 
-    /**
-     * @var DoctrineObject 
-     */
-    private $hydrator;
-
-    public function __construct(EntityManager $em, DoctrineObject $hydrator)
+    public function __construct(EntityServiceInterface $entityService)
     {
-        $this->em       = $em;
-        $this->hydrator = $hydrator;
+        $this->entityService = $entityService;
     }
 
     public function __invoke(ServerRequestInterface $request, ResponseInterface $response, callable $next = null)
     {
         $data = $this->getRequestData($request);
 
-        $entity = $this->hydrator->hydrate($data, new Article());
-        $this->em->persist($entity);
-        $this->em->flush();
+        $result = $this->entityService->create($data);
 
-        return new JsonResponse([
-            'success' => true,
-            'result'  => $entity,
-        ]);
+        if (false === $result) {
+            $result = new JsonResponse(false);
+            return $result->withStatus(500, 'Failed to insert record.');
+        }
+
+        return new JsonResponse($result);
     }
-}
+}