support theme options via user preferences #89 (#91)

src/EventSubscriber/ThemeOptionsSubscriber.php

@@ -0,0 +1,111 @@
+<?php
+
+/*
+ * This file is part of the Kimai package.
+ *
+ * (c) Kevin Papst <kevin@kevinpapst.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\EventSubscriber;
+
+use App\Entity\User;
+use App\Entity\UserPreference;
+use Avanzu\AdminThemeBundle\Helper\ContextHelper;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpKernel\Event\KernelEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
+
+/**
+ * @author Kevin Papst <kevin@kevinpapst.de>
+ */
+class ThemeOptionsSubscriber implements EventSubscriberInterface
+{
+
+    /**
+     * @var TokenStorageInterface
+     */
+    protected $storage;
+
+    /**
+     * @var ContextHelper
+     */
+    protected $helper;
+
+    /**
+     * ThemeOptionsSubscriber constructor.
+     * @param TokenStorageInterface $storage
+     * @param ContextHelper $helper
+     */
+    public function __construct(TokenStorageInterface $storage, ContextHelper $helper)
+    {
+        $this->storage = $storage;
+        $this->helper = $helper;
+    }
+
+    /**
+     * @return array
+     */
+    public static function getSubscribedEvents(): array
+    {
+        return [
+            KernelEvents::CONTROLLER => ['setThemeOptions', 100]
+        ];
+    }
+
+    /**
+     * @param KernelEvent $event
+     */
+    public function setThemeOptions(KernelEvent $event)
+    {
+        if (!$this->canHandleEvent($event)) {
+            return;
+        }
+
+        /** @var User $user */
+        $user = $this->storage->getToken()->getUser();
+
+        $skin = '';
+        foreach ($user->getPreferences() as $ref) {
+            $name = $ref->getName();
+            if ($name === UserPreference::SKIN) {
+                $skin = 'skin-' . $ref->getValue();
+            }
+
+            if (strpos($name, 'theme.') !== false) {
+                $this->helper->setOption(str_replace('theme.', '', $name), $ref->getValue());
+            }
+        }
+
+        if (empty($skin)) {
+            $skin = 'skin-green';
+        }
+
+        $this->helper->setOption('skin', $skin);
+    }
+
+    /**
+     * @param KernelEvent $event
+     * @return bool
+     */
+    protected function canHandleEvent(KernelEvent $event): bool
+    {
+        // Ignore sub-requests
+        if (!$event->isMasterRequest()) {
+            return false;
+        }
+
+        // ignore events like the toolbar where we do not have a token
+        if ($this->storage->getToken() === null) {
+            return false;
+        }
+
+        /** @var User $user */
+        $user = $this->storage->getToken()->getUser();
+
+        return ($user instanceof User);
+    }
+}