remove 'u' from date normalizer

src/Bundle/ChillMainBundle/Serializer/Normalizer/DateNormalizer.php

@@ -20,15 +20,16 @@
 namespace Chill\MainBundle\Serializer\Normalizer;
 
 use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
+use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
+use Symfony\Component\Serializer\Normalizer\AbstractNormalizer;
 
-class DateNormalizer implements NormalizerInterface
+class DateNormalizer implements NormalizerInterface, DenormalizerInterface
 {
     public function normalize($date, string $format = null, array $context = array())
     {
         /** @var \DateTimeInterface $date */
         return [
-            'datetime' => $date->format(\DateTimeInterface::ISO8601),
+            'datetime' => $date->format(\DateTimeInterface::ISO8601)
-            'u' => $date->getTimestamp()
         ];
     }
 
@@ -36,4 +37,24 @@ class DateNormalizer implements NormalizerInterface
     {
         return $data instanceof \DateTimeInterface;
     }
+
+    public function denormalize($data, string $type, string $format = null, array $context = [])
+    {
+        switch ($type) {
+            case \DateTime::class:
+                return \DateTime::createFromFormat(\DateTimeInterface::ISO8601, $data['datetime']);
+            case \DateTimeInterface::class:
+            case \DateTimeImmutable::class:
+            default:
+                return \DateTimeImmutable::createFromFormat(\DateTimeInterface::ISO8601, $data['datetime']);
+        }
+    }
+
+    public function supportsDenormalization($data, string $type, string $format = null): bool
+    {
+        return $type === \DateTimeInterface::class ||
+            $type === \DateTime::class ||
+            $type === \DateTimeImmutable::class ||
+            (\is_array($data) && array_key_exists('datetime', $data));
+    }
 }