public function update($id, FAQRequest $request)
    {
        $faq = $this->repository->find($id);

        if (empty($faq)) {
            Cms::notification('FAQ not found', 'warning');

            return redirect(route($this->routeBase.'.faqs.index'));
        }

        $validation = app(ValidationService::class)->check(FAQ::$rules);

        if (!$validation['errors']) {
            $faq = $this->repository->update($faq, $request->all());
            Cms::notification('FAQ updated successfully.', 'success');

            if (!$faq) {
                Cms::notification('FAQ could not be saved.', 'warning');
            }
        } else {
            return $validation['redirect'];
        }

        return redirect(URL::previous());
    }