Merge pull request #19 from markitosgv/master

Add setSerializeNull config option

Author: luishdez

DependencyInjection/Configuration.php

@@ -29,6 +29,13 @@ public function getConfigTreeBuilder()
     {
         $treeBuilder = new TreeBuilder();
 
+        $rootNode = $treeBuilder->root('wobble_code_rest');
+
+        $rootNode
+            ->children()
+                ->booleanNode('serialize_null')->defaultTrue()->end()
+            ->end();
+
         return $treeBuilder;
     }
 }

DependencyInjection/WobbleCodeRestExtension.php

@@ -11,6 +11,7 @@
 
 namespace WobbleCode\RestBundle\DependencyInjection;
 
+use Symfony\Component\Config\Definition\Processor;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\HttpKernel\DependencyInjection\Extension;
@@ -29,6 +30,16 @@ class WobbleCodeRestExtension extends Extension
     public function load(array $configs, ContainerBuilder $container)
     {
         $loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
+        $processor = new Processor();
+        $configuration = new Configuration();
+
+        $config = $processor->processConfiguration($configuration, $configs);
+
         $loader->load('services.yml');
+
+        $definition = $container->getDefinition('wobblecode.restbundle.rest_suscriber');
+        $definition->addMethodCall('setSerializeNull', [
+            $config['serialize_null']
+        ]);
     }
 }

EventListener/RestSubscriber.php

@@ -81,10 +81,10 @@ public function decoupleMetadata($object, $paginationKey = 'entities')
 
             return [
                 'metadata' => [
-                    'count'          => $entities->count(),
-                    'total_count'    => $entities->getTotalItemCount(),
-                    'items_per_page' => $entities->getItemNumberPerPage(),
-                    'page_number'    => $entities->getCurrentPageNumber()
+                    'count'          => (int) $entities->count(),
+                    'total_count'    => (int) $entities->getTotalItemCount(),
+                    'items_per_page' => (int) $entities->getItemNumberPerPage(),
+                    'page_number'    => (int) $entities->getCurrentPageNumber()
                 ],
                 $paginationKey => $entities->getItems()
             ];
@@ -399,6 +399,16 @@ public function addNoCacheHeaders(Response $response)
         $response->headers->addCacheControlDirective('no-store', true);
     }
 
+    /**
+     * Set serialize default option
+     *
+     * @param bool $serializeNull
+     */
+    public function setSerializeNull(bool $serializeNull)
+    {
+        $this->serializationContext->setSerializeNull($serializeNull);
+    }
+
     /**
      * {@inheritdocs}
      */

README.md

@@ -193,6 +193,15 @@ Process forms errors
 
 Process params with name form as principal Form for validation
 
+### Configuration
+
+You can set serialize null property on bundle configuration.
+
+```yaml
+wobble_code_rest:
+    serialize_null: false
+```
+
 ## License
 
 Copyright (c) 2016 Luis Hdez