/**
* (Web service method) Notify WordPress that the bot is online.
* @param mixed[] $args an empty array
* @return mixed[] status; error_message
*/
private function web_checkin($args)
{
$state = State::get_instance();
$state->last_checkin_utc = gmmktime();
$state->save();
return array('status' => 'ok', 'error_message' => '');
}
/**
* Check schema version and upgrade if necessary
*/
public function __construct()
{
$state = State::get_instance();
if ($state->db_version == '' || $state->db_version < DB_VERSION) {
self::update_schema();
$state->db_version = DB_VERSION;
$state->save();
}
}
