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Hooks.php
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Hooks.php
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<?php
/**
* @file
* @author Robert Leverington
* @license GPL-2.0-or-later
*/
declare( strict_types = 1 );
namespace MediaWiki\Babel;
use MediaWiki\Config\Config;
use MediaWiki\Deferred\LinksUpdate\LinksUpdate;
use MediaWiki\Hook\LinksUpdateHook;
use MediaWiki\Hook\ParserFirstCallInitHook;
use MediaWiki\Parser\Parser;
use MediaWiki\User\CentralId\CentralIdLookupFactory;
use MediaWiki\User\Hook\UserGetReservedNamesHook;
use MediaWiki\User\UserIdentityLookup;
use MediaWiki\WikiMap\WikiMap;
use Wikimedia\ObjectCache\WANObjectCache;
/**
* Hook handler functions for Babel extension.
*/
class Hooks implements
ParserFirstCallInitHook,
LinksUpdateHook,
UserGetReservedNamesHook
{
private Config $config;
private UserIdentityLookup $userIdentityLookup;
private CentralIdLookupFactory $centralIdLookupFactory;
private WANObjectCache $mainWANObjectCache;
public function __construct(
Config $config,
UserIdentityLookup $userIdentityLookup,
CentralIdLookupFactory $centralIdLookupFactory,
WANObjectCache $mainWANObjectCache
) {
$this->config = $config;
$this->userIdentityLookup = $userIdentityLookup;
$this->centralIdLookupFactory = $centralIdLookupFactory;
$this->mainWANObjectCache = $mainWANObjectCache;
}
/**
* Registers the parser function hook.
*
* @param Parser $parser
*/
public function onParserFirstCallInit( $parser ): void {
$parser->setFunctionHook( 'babel', [ Babel::class, 'render' ] );
}
/**
* @param LinksUpdate $linksUpdate
*/
public function onLinksUpdate( $linksUpdate ): void {
$title = $linksUpdate->getTitle();
$toCreate = $linksUpdate->getParserOutput()->getExtensionData( 'babel-tocreate' ) ?: [];
// Create categories
foreach ( $toCreate as $category => $value ) {
$text = $linksUpdate->getParserOutput()->getExtensionData( "babel-category-text-{$category}" );
BabelAutoCreate::create( $category, $text );
}
// Has to be a root userpage
if ( !$title->inNamespace( NS_USER ) || !$title->getRootTitle()->equals( $title ) ) {
return;
}
// And the user has to exist
$userIdentity = $this->userIdentityLookup->getUserIdentityByName( $title->getText() );
if ( $userIdentity === null || !$userIdentity->isRegistered() ) {
return;
}
$babelDB = new Database();
$data = $linksUpdate->getParserOutput()->getExtensionData( 'babel' ) ?: [];
$changed = $babelDB->setForUser( $userIdentity->getId(), $data );
if ( $changed ) {
$localLangKey = $this->mainWANObjectCache->makeKey( 'babel-local-languages', $userIdentity->getId() );
$this->mainWANObjectCache->touchCheckKey( $localLangKey );
if ( $this->config->get( 'BabelCentralDb' ) === WikiMap::getCurrentWikiId() ) {
// If this is the central wiki, invalidate all of the local caches
$centralId = $this->centralIdLookupFactory->getLookup()->centralIdFromLocalUser( $userIdentity );
if ( $centralId ) {
$centralLangKey = $this->mainWANObjectCache->makeGlobalKey( 'babel-central-languages', $centralId );
$this->mainWANObjectCache->touchCheckKey( $centralLangKey );
}
}
}
}
/**
* @param array &$names
*/
public function onUserGetReservedNames( &$names ): void {
$names[] = 'msg:' . BabelAutoCreate::MSG_USERNAME;
}
}

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