protected function get_user_count($r)
{
Input::ensureRequest($r, array("id"));
$id = $r["id"];
$cats = new UsersModel();
$cat = $cats->getBy(UsersModel::USERNAME, $id);
$col = Collection::Model($this->model);
$col->whereEq(PostsModel::USER_ID, $cat->get("id"));
$this->filterList($col);
if (Input::has("q") && strlen(Input::get("q")) > 0) {
$col->filter(Input::get("q"));
}
$count = $col->getCount();
Output::success(array('count' => intVal($count), 'limit' => $this->options["limit"], 'pages' => ceil(intVal($count) / $this->options["limit"])));
}
