Fix PHPStan errors

src/Wallabag/CoreBundle/Controller/AbstractController.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Wallabag\CoreBundle\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController as BaseAbstractController;
+use Wallabag\UserBundle\Entity\User;
+
+abstract class AbstractController extends BaseAbstractController
+{
+    /**
+     * @return User|null
+     */
+    protected function getUser()
+    {
+        $user = parent::getUser();
+        \assert(null === $user || $user instanceof User);
+
+        return $user;
+    }
+}

src/Wallabag/CoreBundle/Controller/ConfigController.php

@@ -10,7 +10,6 @@ use JMS\Serializer\SerializationContext;
 use JMS\Serializer\SerializerBuilder;
 use PragmaRX\Recovery\Recovery as BackupCodes;
 use Scheb\TwoFactorBundle\Security\TwoFactor\Provider\Google\GoogleAuthenticatorInterface;
-use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\RedirectResponse;

src/Wallabag/CoreBundle/Controller/EntryController.php

@@ -9,7 +9,6 @@ use Pagerfanta\Doctrine\ORM\QueryAdapter as DoctrineORMAdapter;
 use Pagerfanta\Exception\OutOfRangeCurrentPageException;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\Cache;
 use Spiriit\Bundle\FormFilterBundle\Filter\FilterBuilderUpdaterInterface;
-use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\HttpFoundation\Request;

src/Wallabag/CoreBundle/Controller/ExportController.php

@@ -2,7 +2,6 @@
 
 namespace Wallabag\CoreBundle\Controller;
 
-use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

src/Wallabag/CoreBundle/Controller/FeedController.php

@@ -7,7 +7,6 @@ use Pagerfanta\Doctrine\ORM\QueryAdapter as DoctrineORMAdapter;
 use Pagerfanta\Exception\OutOfRangeCurrentPageException;
 use Pagerfanta\Pagerfanta;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
-use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;

src/Wallabag/CoreBundle/Controller/IgnoreOriginInstanceRuleController.php

@@ -3,7 +3,6 @@
 namespace Wallabag\CoreBundle\Controller;
 
 use Doctrine\ORM\EntityManagerInterface;
-use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\Form\Form;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\HttpFoundation\RedirectResponse;

src/Wallabag/CoreBundle/Controller/SiteCredentialController.php

@@ -4,7 +4,6 @@ namespace Wallabag\CoreBundle\Controller;
 
 use Craue\ConfigBundle\Util\Config;
 use Doctrine\ORM\EntityManagerInterface;
-use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\Form\Form;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\HttpFoundation\RedirectResponse;

src/Wallabag/CoreBundle/Controller/StaticController.php

@@ -2,7 +2,6 @@
 
 namespace Wallabag\CoreBundle\Controller;
 
-use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\Routing\Annotation\Route;
 
 class StaticController extends AbstractController

src/Wallabag/CoreBundle/Controller/TagController.php

@@ -7,7 +7,6 @@ use Doctrine\ORM\QueryBuilder;
 use Pagerfanta\Adapter\ArrayAdapter;
 use Pagerfanta\Exception\OutOfRangeCurrentPageException;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
-use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Annotation\Route;