used a form extension to subscribe the listener instead of injecting on every form individually

Author: Tito Costa

DependencyInjection/Configuration.php

@@ -20,9 +20,10 @@ public function getConfigTreeBuilder()
         $treeBuilder = new TreeBuilder();
         $rootNode = $treeBuilder->root('oh_form_error_log');
 
-        // Here you should define the parameters that are allowed to
-        // configure your bundle. See the documentation linked above for
-        // more information on that topic.
+        $rootNode
+            ->children()
+                ->scalarNode('logger')->isRequired()->cannotBeEmpty()->end()
+            ->end();
 
         return $treeBuilder;
     }

DependencyInjection/OhFormErrorLogExtension.php

@@ -22,6 +22,8 @@ public function load(array $configs, ContainerBuilder $container)
         $configuration = new Configuration();
         $config = $this->processConfiguration($configuration, $configs);
 
+        $container->setAlias('oh_form_error_log.logger.manager', $config['logger']);
+
         $loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
         $loader->load('services.yml');
     }

EventListener/ErrorLogSubscriber.php

@@ -6,12 +6,7 @@
 use Symfony\Component\Form\FormEvent;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 use Symfony\Component\Form\FormEvents;
-use Symfony\Component\HttpFoundation\Request;
-
-//use Symfony\Component\Serializer\Serializer;
-//use Symfony\Component\Serializer\Normalizer\GetSetMethodNormalizer;
-//use Symfony\Component\Serializer\Encoder\JsonEncoder;
-
+use Symfony\Component\HttpFoundation\RequestStack;
 
 class ErrorLogSubscriber implements EventSubscriberInterface
 {
@@ -27,10 +22,10 @@ class ErrorLogSubscriber implements EventSubscriberInterface
      */
     private $request;
 
-    public function __construct(ErrorLogInterface $logger, Request $request)
+    public function __construct(ErrorLogInterface $logger, RequestStack $request)
     {
         $this->logger = $logger;
-        $this->request = $request;
+        $this->request = $request->getMasterRequest();
     }
 
     public static function getSubscribedEvents()
@@ -132,4 +127,4 @@ private function getErrorMessages(\Symfony\Component\Form\Form $form) {
 
         return $errors;
     }
-}
+}

Form/Extension/FormLogTypeExtension.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Oh\FormErrorLogBundle\Form\Extension;
+
+use Symfony\Component\Form\AbstractTypeExtension;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+class FormLogTypeExtension extends AbstractTypeExtension
+{
+
+    private $eventSubscriber;
+
+    public function __construct(EventSubscriberInterface $eventSubscriber)
+    {
+        $this->eventSubscriber = $eventSubscriber;
+    }
+
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        $builder->addEventSubscriber($this->eventSubscriber);
+    }
+
+    public function getExtendedType()
+    {
+        return 'form';
+    }
+}

Resources/config/services.yml

@@ -21,3 +21,14 @@ services:
         class:            %oh_form_error_log.listener.class%
         arguments:        [@oh_form_error_log.logger, @request]
         scope: request
+    oh_form_subscriber:
+        class: Oh\FormErrorLogBundle\EventListener\ErrorLogSubscriber
+        arguments:
+            - @oh_form_error_log.logger.manager
+            - @request_stack
+    oh_form_extension:
+        class: Oh\FormErrorLogBundle\Form\Extension\FormLogTypeExtension
+        arguments:
+            - @oh_form_subscriber
+        tags:
+            - { name: form.type_extension, alias: form }