public function execute() {
$params = $this->extractRequestParams();
$result = OnlineStatusBar::getUserInfoFromString( $params['user'] );
// if user is IP and we track them
if ( User::isIP( $params['user'] ) && $result === false ) {
$result = OnlineStatusBar::getAnonFromString( $params['user'] );
}
if ( $result === false ) {
$ret = 'unknown';
} else {
$ret = $result[0];
}
$this->getResult()->addValue(
null, $this->getModuleName(), array( 'result' => $ret ) );
}
/**
* @param $parser Parser
* @param $varCache ??
* @param $index ??
* @param $ret string?
* @return bool
*/
public static function parserGetVariable(&$parser, &$varCache, &$index, &$ret)
{
global $wgOnlineStatusBarCacheTime;
if ($index != 'ISONLINE') {
return true;
}
// get a status of user parsed from title
$result = OnlineStatusBar::getUserInfoFromString($parser->getTitle()->getBaseText());
// if user is IP and we track them
if (User::isIP($parser->getTitle()->getBaseText()) && $result === false) {
$result = OnlineStatusBar::getAnonFromString($parser->getTitle()->getBaseText());
}
if ($result === false) {
$ret = 'unknown';
return true;
}
// if user is tracked we need to remove parser cache so that page update when status change
if ($result !== false) {
$parser->getOutput()->updateCacheExpiry($wgOnlineStatusBarCacheTime[$result[0]] * 60);
}
$ret = $result[0];
return true;
}
/**
* Delete old records from the table, this function is called frequently to keep the table as small as possible
* it's also possible to disable this function to set automatic job in cron to do that
* @return int
*/
public static function deleteOld() {
global $wgOnlineStatusBarAutoDelete;
if ( !$wgOnlineStatusBarAutoDelete ) {
return 0;
}
if ( self::getCache( 'null', 'delete' ) == 'true' ) {
return 0;
}
// Check if we actually need to delete something before we write to master
$dbr = wfGetDB( DB_SLAVE );
$time = OnlineStatusBar::getTimeoutDate();
$result = $dbr->selectField( 'online_status', 'timestamp', array( 'timestamp < ' . $dbr->addQuotes( $dbr->timestamp( $time ) ) ),
__METHOD__, array( 'LIMIT 1' ) );
if ( $result === false ) {
// no need for delete
return 0;
}
// calculate time and convert it back to mediawiki format
$dbw = wfGetDB( DB_MASTER );
$dbw->delete( 'online_status', array( 'timestamp < ' . $dbw->addQuotes( $dbw->timestamp( $time ) ) ), __METHOD__ );
self::setCache( 'null', 'true', 'delete', 3600 ); // remember we deleted it for 1 hour so that we avoid calling this too many times
return 0;
}
