public function index(QuestionRequest $request)
    {
        $view = $this->response->theme->listView();

        if ($this->response->typeIs('json')) {
            $function = camel_case('get-' . $view);
            return $this->repository
                ->setPresenter(\Litecms\Forum\Repositories\Presenter\QuestionPresenter::class)
                ->$function();
        }
        
        $user_id = user_id();
        $questions = $this->repository->questions($user_id);

        return $this->response->title(trans('forum::question.names'))
            ->view('forum::question.index', true)
            ->data(compact('questions', 'view'))
            ->output();
    }