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<?php
/**
* @file
*/
use MediaWiki\MediaWikiServices;
class WhosOnlineHooks {
/**
* Update online data.
*
* @param OutputPage &$out
* @param Skin &$skin
* @throws \ConfigException
* @return true|void
*/
public static function onBeforePageDisplay( OutputPage &$out, Skin &$skin ) {
global $wgWhosOnlineTimeout;
$services = MediaWikiServices::getInstance();
// don't write to the DB if the DB is read-only
if ( $services->getReadOnlyMode()->isReadOnly() ) {
return true;
}
$user = $out->getUser();
$userOptionsManager = $services->getUserOptionsManager();
$lastVisit = $userOptionsManager->getOption( $user, 'LastVisit' );
$currentTime = wfTimestamp( TS_UNIX );
if ( empty( $lastVisit ) || $currentTime - $lastVisit > $wgWhosOnlineTimeout ) {
if ( !$user->isAnon() ) {
$userOptionsManager->setOption( $user, 'LastVisit', $currentTime );
}
// write to DB (use master)
$dbw = MediaWikiServices::getInstance()->getDBLoadBalancer()->getConnection( DB_PRIMARY );
$now = gmdate( 'YmdHis', time() );
// row to insert to table
$row = [
'userid' => $user->getId(),
'username' => $user->getName(),
'timestamp' => $now,
'wikiid' => $out->getConfig()->get( 'DBname' )
];
$method = __METHOD__;
$dbw->onTransactionCommitOrIdle( static function () use ( $dbw, $method, $row, $services ) {
$dbw->upsert(
'online',
$row,
[ [ 'userid', 'username', 'wikiid' ] ],
[ 'timestamp' => $row['timestamp'] ],
$method
);
// Per ApiQueryWhosOnline.php:
// Not using $cache->makeKey() on $key intentionally to keep the key a
// global one; makeKey() automagically adds the current DB name to it as
// a prefix
$key = 'whosonline:data';
$services->getMainWANObjectCache()->delete( $key );
} );
}
}
/**
* Apply database schema changes when MediaWiki core updater script (update.php) is re-run
*
* @param DatabaseUpdater $updater
*/
public static function onLoadExtensionSchemaUpdates( $updater ) {
$updater->addExtensionTable( 'online', __DIR__ . '/../sql/whosonline.sql' );
// wikiid field since WhosOnline version 1.8.0
if ( !$updater->getDB()->fieldExists( 'whosonline', 'wikiid' ) ) {
$updater->addExtensionField( 'online', 'wikiid',
__DIR__ . '/../sql/patch-add-wikiid-field.sql' );
}
}
}