Keep PolyglotListener as EventSubscriberInterface

For some reason tests fail if we abandon the implementation of the `EventSubscriberInterface`

Author: relthyg

src/Doctrine/PolyglotListener.php

@@ -9,6 +9,7 @@
 
 namespace Webfactory\Bundle\PolyglotBundle\Doctrine;
 
+use Doctrine\Common\EventSubscriber;
 use Doctrine\ORM\EntityManager;
 use Doctrine\ORM\Event\PostFlushEventArgs;
 use Doctrine\ORM\Event\PreFlushEventArgs;
@@ -19,7 +20,7 @@
 use WeakReference;
 use Webfactory\Bundle\PolyglotBundle\Locale\DefaultLocaleProvider;
 
-final class PolyglotListener
+final class PolyglotListener implements EventSubscriber
 {
     private const CACHE_SALT = '$WebfactoryPolyglot';
 
@@ -55,6 +56,16 @@ public function __construct(
     ) {
     }
 
+    public function getSubscribedEvents(): array
+    {
+        return [
+            'prePersist',
+            'postLoad',
+            'preFlush',
+            'postFlush',
+        ];
+    }
+
     public function postLoad(LifecycleEventArgs $event): void
     {
         // Called when the entity has been hydrated

src/Resources/config/services.xml

@@ -7,6 +7,7 @@
         <defaults autowire="true" autoconfigure="true" />
 
         <service id="Webfactory\Bundle\PolyglotBundle\Doctrine\PolyglotListener">
+            <tag name="doctrine.event_subscriber" priority="-100" />
             <tag name="doctrine.event_listener" priority="-100" event="postFlush"/>
             <tag name="doctrine.event_listener" priority="-100" event="prePersist"/>
             <tag name="doctrine.event_listener" priority="-100" event="preFlush"/>