public function onNewVisit(Request $request, Visitor $visitor, $action)
{
$userAgent = $request->getUserAgent();
$parser = $this->getUAParser($userAgent);
if ($parser->isBot()) {
$os = Settings::OS_BOT;
} else {
$os = $parser->getOS();
$os = empty($os['short_name']) ? 'UNK' : $os['short_name'];
}
return $os;
}