App\Http\Controllers\ThemeController::updateSetting PHP Method

    public function updateSetting(Request $request, ThemeHandler $themeHandler)
    {
        $this->validate($request, ['theme' => 'required']);
        $themeId = $request->get('theme');
        $theme = $themeHandler->getTheme($themeId);
        if (!$theme->hasSetting()) {
            throw new NotSupportSettingException();
        }
        $configInfo = $request->only('_configTitle', '_configId');
        $inputs = $request->except('_token');
        $inputs['_configId'] = $themeId;
        // 해당 테마에게 config를 가공할 수 있는 기회를 준다.
        $config = $theme->resolveSetting($inputs);
        $config = array_merge($configInfo, $config);
        $themeHandler->setThemeConfig($config['_configId'], $config);
        return redirect()->back()->with('alert', ['type' => 'success', 'message' => '저장되었습니다.']);
    }