Added draft for user menu based on https://gist.github.com/lsv/4d8044d21819f28f0dde52a3fb8211a0

application/src/Event/Menu/Topbar/UserMenuEvent.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Event\Menu\Topbar;
+
+use Knp\Menu\FactoryInterface;
+use Knp\Menu\ItemInterface;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\HttpFoundation\RequestStack;
+
+class UserMenuEvent extends Event
+{
+    public const EVENT = 'app.menu.topbar.user';
+    
+    /**
+     * @var FactoryInterface
+     */
+    private $factory;
+    
+    /**
+     * @var ItemInterface
+     */
+    private $item;
+    
+    /**
+     * @var RequestStack
+     */
+    private $request;
+    
+    public function __construct(FactoryInterface $factory, ItemInterface $item, RequestStack $request)
+    {
+        $this->factory = $factory;
+        $this->item = $item;
+        $this->request = $request;
+    }
+    
+    /**
+     * @return FactoryInterface
+     */
+    public function getFactory(): FactoryInterface
+    {
+        return $this->factory;
+    }
+    
+    /**
+     * @return ItemInterface
+     */
+    public function getItem(): ItemInterface
+    {
+        return $this->item;
+    }
+    
+    /**
+     * @return RequestStack
+     */
+    public function getRequest(): RequestStack
+    {
+        return $this->request;
+    }
+}

application/src/Menu/Menu.php

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+<?php
+// src/Menu/Menu.php
+
+namespace App\Menu;
+
+use App\Event\Menu\Topbar\UserMenuEvent;
+use Knp\Menu\FactoryInterface;
+use Knp\Menu\ItemInterface;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Symfony\Component\HttpFoundation\RequestStack;
+
+class Menu
+{
+    
+    /**
+     * @var EventDispatcherInterface
+     */
+    private $dispatcher;
+    
+    /**
+     * @var FactoryInterface
+     */
+    private $factory;
+    
+    public function __construct(FactoryInterface $factory, EventDispatcherInterface $dispatcher)
+    {
+        $this->dispatcher = $dispatcher;
+        $this->factory = $factory;
+    }
+    
+    public function userTopbar(RequestStack $request): ItemInterface
+    {
+        $menu = $this->factory->createItem('root');
+        
+        $this->dispatcher->dispatch(
+            UserMenuEvent::EVENT,
+            new UserMenuEvent($this->factory, $menu, $request)
+            );
+        
+        return $menu;
+    }   
+}

application/src/Subscriber/UserMenuSubscriber.php

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+<?php
+// src/Subscriber/UserMenuSubscriber.php
+
+namespace App\Subscriber;
+
+use App\Entity\User;
+use App\Event\Menu\Topbar\UserMenuEvent;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
+use Symfony\Component\Translation\TranslatorInterface;
+
+class UserMenuSubscriber implements EventSubscriberInterface
+{
+    
+    /**
+     * @var TokenStorageInterface
+     */
+    private $tokenStorage;
+    
+    /**
+     * @var TranslatorInterface
+     */
+    private $translator;
+    
+    public function __construct(TokenStorageInterface $tokenStorage, TranslatorInterface $translator)
+    {
+        $this->tokenStorage = $tokenStorage;
+        $this->translator = $translator;
+    }
+    
+    public function onUserMenuConfigure(UserMenuEvent $event)
+    {
+        $menu = $event->getItem();
+        /** @var User $user */
+        $user = $this->tokenStorage->getToken()->getUser();
+ 
+        $dropdown = $menu->addChild(
+            $this->translator->trans('Hello %username%', ['%username%' => 'Noname'], 'usermenu'),
+            ['dropdown' => true]
+            );
+        
+        $dropdown->addChild(
+            $this->translator->trans('Login', [], 'usermenu'),
+            ['route' => 'user_login']
+            );
+    }
+    
+    public static function getSubscribedEvents(): array
+    {
+        return [
+            UserMenuEvent::EVENT => 'onUserMenuConfigure',
+        ];
+    }
+}