home/omtekel/wiki/includes/specials/SpecialListRedirects.php000066600000011373151334775240020326 0ustar00 */ namespace MediaWiki\Specials; use MediaWiki\Cache\LinkBatchFactory; use MediaWiki\Page\RedirectLookup; use MediaWiki\Page\WikiPageFactory; use MediaWiki\SpecialPage\QueryPage; use MediaWiki\Title\Title; use Skin; use stdClass; use Wikimedia\Rdbms\IConnectionProvider; use Wikimedia\Rdbms\IDatabase; use Wikimedia\Rdbms\IResultWrapper; /** * Special:Listredirects - Lists all the redirects on the wiki. * @ingroup SpecialPage */ class SpecialListRedirects extends QueryPage { private LinkBatchFactory $linkBatchFactory; private WikiPageFactory $wikiPageFactory; private RedirectLookup $redirectLookup; /** * @param LinkBatchFactory $linkBatchFactory * @param IConnectionProvider $dbProvider * @param WikiPageFactory $wikiPageFactory * @param RedirectLookup $redirectLookup */ public function __construct( LinkBatchFactory $linkBatchFactory, IConnectionProvider $dbProvider, WikiPageFactory $wikiPageFactory, RedirectLookup $redirectLookup ) { parent::__construct( 'Listredirects' ); $this->linkBatchFactory = $linkBatchFactory; $this->setDatabaseProvider( $dbProvider ); $this->wikiPageFactory = $wikiPageFactory; $this->redirectLookup = $redirectLookup; } public function isExpensive() { return true; } public function isSyndicated() { return false; } protected function sortDescending() { return false; } public function getQueryInfo() { return [ 'tables' => [ 'page', 'redirect' ], 'fields' => [ 'namespace' => 'page_namespace', 'title' => 'page_title', 'rd_namespace', 'rd_title', 'rd_fragment', 'rd_interwiki', ], 'conds' => [ 'page_is_redirect' => 1 ], 'join_conds' => [ 'redirect' => [ 'LEFT JOIN', 'rd_from=page_id' ], ] ]; } protected function getOrderFields() { return [ 'page_namespace', 'page_title' ]; } /** * Cache page existence for performance * * @param IDatabase $db * @param IResultWrapper $res */ public function preprocessResults( $db, $res ) { if ( !$res->numRows() ) { return; } $batch = $this->linkBatchFactory->newLinkBatch(); foreach ( $res as $row ) { $batch->add( $row->namespace, $row->title ); $redirTarget = $this->getRedirectTarget( $row ); if ( $redirTarget ) { $batch->addObj( $redirTarget ); } } $batch->execute(); // Back to start for display $res->seek( 0 ); } /** * @param stdClass $row * @return Title|null */ protected function getRedirectTarget( $row ) { if ( isset( $row->rd_title ) ) { return Title::makeTitle( $row->rd_namespace, $row->rd_title, $row->rd_fragment ?? '', $row->rd_interwiki ?? '' ); } else { $title = Title::makeTitle( $row->namespace, $row->title ); if ( !$title->canExist() ) { return null; } return Title::castFromLinkTarget( $this->redirectLookup->getRedirectTarget( $title ) ); } } /** * @param Skin $skin * @param stdClass $result Result row * @return string */ public function formatResult( $skin, $result ) { $linkRenderer = $this->getLinkRenderer(); # Make a link to the redirect itself $rd_title = Title::makeTitle( $result->namespace, $result->title ); $rd_link = $linkRenderer->makeLink( $rd_title, null, [], [ 'redirect' => 'no' ] ); # Find out where the redirect leads $target = $this->getRedirectTarget( $result ); if ( $target ) { # Make a link to the destination page $lang = $this->getLanguage(); $arr = $lang->getArrow() . $lang->getDirMark(); $targetLink = $linkRenderer->makeLink( $target, $target->getFullText() ); return "$rd_link $arr $targetLink"; } else { return "$rd_link"; } } public function execute( $par ) { $this->addHelpLink( 'Help:Redirects' ); parent::execute( $par ); } protected function getGroupName() { return 'pages'; } } /** * @deprecated since 1.41 */ class_alias( SpecialListRedirects::class, 'SpecialListRedirects' );