public function listSiteStatsAction()
{
$params = json_decode(file_get_contents('php://input'));
//$list = SiteStats::find("site_id = $params->site_id");
$list = SiteStats::query()->where("site_id = {$params->site_id}");
if ($params->from_time > 0) {
$list->andWhere("time >= {$params->from_time}");
}
if ($params->to_time > 0) {
$list->andWhere("time <= {$params->to_time}");
}
$list = $list->execute();
$this->view->disable();
echo json_encode(array("data" => $list->toArray()));
}