public function searchPublicationsAction(Request $request)
    {
        $user = $this->getAuthenticatedUser();
        /** @var FeedRepository $feedsRepository */
        $feedsRepository = $this->app['repo.feeds'];
        $coll = $feedsRepository->getAllForUser($this->getAclForUser($user));

        $data = array_map(function ($feed) use ($user) {
            return $this->listPublication($feed, $user);
        }, $coll);

        return Result::create($request, ["feeds" => $data])->createResponse();
    }