public function update(Request $request)
    {
        foreach ($request->all() as $key => $value) {
            if (substr($key, 0, 8) == 'setting_') {
                $skipSave = false;
                $key = substr($key, 8);
                if (! $skipSave) {
                    $this->settingRepository->save($key, $value);
                }
            }
        }

        Flash::success(trans('l5starter::messages.update.success'));

        return redirect(route('admin.settings.index'));
    }