adds subscriber to use blameable and timestampable interfaces

composer.json

@@ -5,6 +5,7 @@
     "require": {
         "php": "^7.2",
         "symfony/framework-bundle": "~2.3||~3||~4",
+        "symfony/security": "~2.3||~3||~4",
         "chgst/common":"@dev",
         "chgst/chgst":"@dev"
     },

spec/EventListener/EventAppendSubscriberSpec.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace spec\Changeset\ChangesetBundle\EventListener;
+
+use Changeset\ChangesetBundle\EventListener\EventAppendSubscriber;
+use Changeset\Common\BlameableInterface;
+use Changeset\Common\TimestampableInterface;
+use Changeset\Event\EventInterface;
+use PhpSpec\ObjectBehavior;
+use Prophecy\Argument;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\EventDispatcher\GenericEvent;
+use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
+use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+
+class EventAppendSubscriberSpec extends ObjectBehavior
+{
+    function let(TokenStorageInterface $storage, TokenInterface $token)
+    {
+        $storage->getToken()->willReturn($token);
+
+        $this->beConstructedWith($storage);
+    }
+
+    function it_is_initializable()
+    {
+        $this->shouldHaveType(EventAppendSubscriber::class);
+        $this->shouldHaveType(EventSubscriberInterface::class);
+    }
+
+    function it_implements_required_getSubscribedEvents_method()
+    {
+        $this->getSubscribedEvents()->shouldHaveCount(1);
+    }
+
+    function it_can_setBlame_on_event(GenericEvent $event, BlameableInterface $subject, TokenInterface $token)
+    {
+        $event->getSubject()->willReturn($subject);
+
+        $subject->setCreatedBy(Argument::any())->shouldBeCalled();
+
+        $token->getUsername()->willReturn('some username');
+
+        $this->setBlame($event);
+    }
+
+    function it_can_setTimestamp_on_the_event(GenericEvent $event, TimestampableInterface $subject)
+    {
+        $event->getSubject()->willReturn($subject);
+
+        $subject->setCreatedAt(Argument::any())->shouldBeCalled();
+
+        $this->setTimestamp($event);
+    }
+}

src/EventListener/EventAppendSubscriber.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Changeset\ChangesetBundle\EventListener;
+
+use Changeset\Common\BlameableInterface;
+use Changeset\Common\TimestampableInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\EventDispatcher\GenericEvent;
+use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
+
+class EventAppendSubscriber implements EventSubscriberInterface
+{
+    /** @var string */
+    protected $username;
+
+    /**
+     * EventAppendSubscriber constructor.
+     *
+     * @param TokenStorageInterface $storage
+     */
+    public function __construct(TokenStorageInterface $storage)
+    {
+        if ($storage->getToken() && $storage->getToken()->getUsername())
+        {
+            $this->username = $storage->getToken()->getUsername();
+        }
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return [
+            'changeset.command.handled' => [  [ 'setBlame', 0 ], [ 'setTimestamp', 0 ] ]
+        ];
+    }
+
+    public function setBlame(GenericEvent $event)
+    {
+        if ($event->getSubject() instanceof BlameableInterface)
+        {
+            $event->getSubject()->setCreatedBy($this->username);
+        }
+    }
+
+    public function setTimestamp(GenericEvent $event)
+    {
+        if ($event->getSubject() instanceof TimestampableInterface)
+        {
+            $event->getSubject()->setCreatedAt(new \DateTime());
+        }
+    }
+}

src/Resources/config/services.yml

@@ -3,7 +3,7 @@ services:
     Changeset\Command\HandlerInterface:
         public: true
         class: Changeset\Command\Handler
-        arguments: [ '@event_dispatcher']
+        arguments: [ '@event_dispatcher', '@changeset.event_repository']
 
     Changeset\Communication\CommandBusInterface:
         public: true
@@ -16,3 +16,9 @@ services:
         autowire: true
         class: Changeset\Communication\InMemoryEventBus
 
+    Changeset\ChangesetBundle\EventListener\EventAppendSubscriber:
+        public: true
+        autowire: true
+        class: Changeset\ChangesetBundle\EventListener\EventAppendSubscriber
+        tags:
+            - { name: kernel.event_subscriber }