Fixed error with LogoutLoggerEventSubscriber

src/EventSubscriber/LogSystem/LogoutLoggerEventSubscriber.php

@@ -0,0 +1,68 @@
+<?php
+/**
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ * Copyright (C) 2019 - 2022 Jan Böhmer (https://github.com/jbtronics)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\EventSubscriber\LogSystem;
+
+use App\Entity\LogSystem\UserLogoutLogEntry;
+use App\Entity\UserSystem\User;
+use App\Services\LogSystem\EventLogger;
+use Symfony\Component\Security\Http\Event\LogoutEvent;
+
+/**
+ * This handler logs to event log, if a user logs out.
+ */
+class LogoutLoggerEventSubscriber implements \Symfony\Component\EventDispatcher\EventSubscriberInterface
+{
+    protected EventLogger $logger;
+    protected bool $gpdr_compliance;
+
+    public function __construct(EventLogger $logger, bool $gpdr_compliance)
+    {
+        $this->logger = $logger;
+        $this->gpdr_compliance = $gpdr_compliance;
+    }
+
+    public function __invoke(LogoutEvent $event)
+    {
+        $request = $event->getRequest();
+        $token = $event->getToken();
+
+        if (null === $token) {
+            return;
+        }
+
+        $log = new UserLogoutLogEntry($request->getClientIp(), $this->gpdr_compliance);
+        $user = $token->getUser();
+        if ($user instanceof User) {
+            $log->setTargetElement($user);
+        }
+
+        $this->logger->logAndFlush($log);
+    }
+    /**
+     * @return array<string, mixed>
+     */
+    public static function getSubscribedEvents(): array
+    {
+        return [\Symfony\Component\Security\Http\Event\LogoutEvent::class => ''];
+    }
+}