skineur · January 21, 2016 11:00 · Jan 21, 2016
diff --git a/YourErrorsHandler.php b/YourErrorsHandler.php
@@ -0,0 +1,88 @@
+namespace YourBundle\Serializer;
+
+use JMS\Serializer\GenericSerializationVisitor;
+use JMS\Serializer\Handler\FormErrorHandler as JMSFormErrorsHandler;
+use JMS\Serializer\JsonSerializationVisitor;
+use Symfony\Component\Form\Form;
+use Symfony\Component\Form\FormError;
+use Symfony\Component\Translation\TranslatorInterface;
+
+class YourErrorsHandler extends JMSFormErrorsHandler
+{
+    /**
+     * @var TranslatorInterface
+     */
+    private $translation;
+
+    /**
+     * @param TranslatorInterface $translator
+     */
+    public function __construct(TranslatorInterface $translator)
+    {
+        $this->translation = $translator;
+        parent::__construct($translator);
+    }
+
+    /**
+     * @param JsonSerializationVisitor $visitor
+     * @param Form $form
+     * @param array $type
+     * @return \ArrayObject
+     */
+    public function serializeFormToJson(JsonSerializationVisitor $visitor, Form $form, array $type)
+    {
+        return $this->convertToArray($visitor, $form);
+    }
+
+    /**
+     * @param GenericSerializationVisitor $visitor
+     * @param Form $data
+     * @return \ArrayObject
+     */
+    private function convertToArray(GenericSerializationVisitor $visitor, Form $data)
+    {
+        $isRoot = null === $visitor->getRoot();
+
+        $form = new \ArrayObject();
+        $errors = array();
+        foreach ($data->getErrors() as $error) {
+            $errors[] = $this->getMessageError($error); 
+        }
+
+        if ($errors) {
+            $form[] = $errors;    // remove key errors
+        }
+
+        $children = array();
+
+        foreach ($data->all() as $child) {
+            if ($child instanceof Form) {
+                $children[$child->getName()] = $this->convertToArray($visitor, $child);
+            }
+        }
+
+        if ($children) {
+            $form = $children; // remove key children
+        }
+
+        if ($isRoot) {
+            $visitor->setRoot($form);
+        }
+
+        return $form;
+    }
+
+
+    /**
+     * @param FormError $error
+     * @return string
+     */
+    private function getMessageError(FormError $error)
+    {
+        if (null !== $error->getMessagePluralization()) {
+            return $this->translation->transChoice($error->getMessageTemplate(), $error->getMessagePluralization(), $error->getMessageParameters(), 'validators');
+        }
+
+        return $this->translation->trans($error->getMessageTemplate(), $error->getMessageParameters(), 'validators');
+    }
+}
diff --git a/services.yml b/services.yml
@@ -0,0 +1,8 @@
+parameters:
+    api.subscriber.form_handler.class: YourBundle\Serializer\YourErrorsHandler
+services:
+    jms_serializer.form_error_handler:                          #Same id as that jmsserializerbundle
+        class: %api.subscriber.form_handler.class%
+        arguments: [@translator]
+        tags:
+            - { name: jms_serializer.subscribing_handler }
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