Add rss for entries

will fix #1000

src/Wallabag/CoreBundle/Repository/UserRepository.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Wallabag\CoreBundle\Repository;
+
+use Doctrine\ORM\EntityRepository;
+
+class UserRepository extends EntityRepository
+{
+    /**
+     * Find a user by its username and rss roken
+     *
+     * @param string $username
+     * @param string $rssToken
+     *
+     * @return User|null
+     */
+    public function findOneByUsernameAndRsstoken($username, $rssToken)
+    {
+        return $this->createQueryBuilder('u')
+            ->leftJoin('u.config', 'c')
+            ->where('c.rssToken = :rss_token')->setParameter('rss_token', $rssToken)
+            ->andWhere('u.username = :username')->setParameter('username', $username)
+            ->getQuery()
+            ->getOneOrNullResult();
+    }
+}