[FrameworkBundle][Workflow] Add a way to enable the AuditTrail Logger

Author: lyrixx

DependencyInjection/Configuration.php

@@ -247,6 +247,9 @@ private function addWorkflowSection(ArrayNodeDefinition $rootNode)
                         ->fixXmlConfig('place')
                         ->fixXmlConfig('transition')
                         ->children()
+                            ->arrayNode('audit_trail')
+                                ->canBeEnabled()
+                            ->end()
                             ->enumNode('type')
                                 ->values(array('workflow', 'state_machine'))
                                 ->defaultValue('workflow')

DependencyInjection/FrameworkExtension.php

@@ -34,7 +34,6 @@
 use Symfony\Component\Serializer\Normalizer\DateTimeNormalizer;
 use Symfony\Component\Serializer\Normalizer\JsonSerializableNormalizer;
 use Symfony\Component\Workflow;
-use Symfony\Component\Workflow\SupportStrategy\ClassInstanceSupportStrategy;
 use Symfony\Component\Console\Application;
 
 /**
@@ -480,13 +479,24 @@ private function registerWorkflowConfiguration(array $workflows, ContainerBuilde
             // Add workflow to Registry
             if ($workflow['supports']) {
                 foreach ($workflow['supports'] as $supportedClassName) {
-                    $strategyDefinition = new Definition(ClassInstanceSupportStrategy::class, array($supportedClassName));
+                    $strategyDefinition = new Definition(Workflow\SupportStrategy\ClassInstanceSupportStrategy::class, array($supportedClassName));
                     $strategyDefinition->setPublic(false);
                     $registryDefinition->addMethodCall('add', array(new Reference($workflowId), $strategyDefinition));
                 }
             } elseif (isset($workflow['support_strategy'])) {
                 $registryDefinition->addMethodCall('add', array(new Reference($workflowId), new Reference($workflow['support_strategy'])));
             }
+
+            // Enable the AuditTrail
+            if ($workflow['audit_trail']['enabled']) {
+                $listener = new Definition(Workflow\EventListener\AuditTrailListener::class);
+                $listener->addTag('monolog.logger', array('channel' => 'workflow'));
+                $listener->addTag('kernel.event_listener', array('event' => sprintf('workflow.%s.leave', $name), 'method' => 'onLeave'));
+                $listener->addTag('kernel.event_listener', array('event' => sprintf('workflow.%s.transition', $name), 'method' => 'onTransition'));
+                $listener->addTag('kernel.event_listener', array('event' => sprintf('workflow.%s.enter', $name), 'method' => 'onEnter'));
+                $listener->addArgument(new Reference('logger'));
+                $container->setDefinition(sprintf('%s.listener.audit_trail', $workflowId), $listener);
+            }
         }
     }