public function submitSuggestedValues(Request $request, $bas_id)
    {
        $success = false;

        $collection = \collection::getByBaseId($this->app, $bas_id);
        $prefs = $request->request->get('str');

        try {
            if ('' !== trim($prefs)) {
                $domdoc = new \DOMDocument();
                if (true === @$domdoc->loadXML($prefs)) {
                    $collection->set_prefs($domdoc);
                    $success = true;
                }
            }
        } catch (\Exception $e) {

        }

        if ('json' === $request->getRequestFormat()) {
            return $this->app->json([
                'success' => $success,
                'msg'     => $success ? $this->app->trans('Successful update') : $this->app->trans('An error occured'),
                'bas_id'  => $collection->get_base_id(),
            ]);
        }

        return $this->app->redirectPath('admin_collection_display_suggested_values', [
            'bas_id'      => $collection->get_sbas_id(),
            'success'     => (int) $success,
        ]);
    }