public function listForDOM(Request $request)
{
$rules = ['in_page' => 'required|min:0|max:1'];
$validator = Validator::make($request->all(), $rules);
if (!$validator->fails()) {
$page = $request->get('in_page');
$model = new Navigator();
return $model->listDOM($page);
} else {
$error = ['type' => 'e', 'message' => 'Have error!'];
return json_encode($error);
}
}
