diff options
Diffstat (limited to 'www/wiki/includes/specials/SpecialBrokenRedirects.php')
| -rw-r--r-- | www/wiki/includes/specials/SpecialBrokenRedirects.php | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/www/wiki/includes/specials/SpecialBrokenRedirects.php b/www/wiki/includes/specials/SpecialBrokenRedirects.php new file mode 100644 index 00000000..3e1909b8 --- /dev/null +++ b/www/wiki/includes/specials/SpecialBrokenRedirects.php @@ -0,0 +1,179 @@ +<?php +/** + * Implements Special:Brokenredirects + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * http://www.gnu.org/copyleft/gpl.html + * + * @file + * @ingroup SpecialPage + */ + +use Wikimedia\Rdbms\IResultWrapper; +use Wikimedia\Rdbms\IDatabase; + +/** + * A special page listing redirects to non existent page. Those should be + * fixed to point to an existing page. + * + * @ingroup SpecialPage + */ +class BrokenRedirectsPage extends QueryPage { + function __construct( $name = 'BrokenRedirects' ) { + parent::__construct( $name ); + } + + public function isExpensive() { + return true; + } + + function isSyndicated() { + return false; + } + + function sortDescending() { + return false; + } + + function getPageHeader() { + return $this->msg( 'brokenredirectstext' )->parseAsBlock(); + } + + public function getQueryInfo() { + $dbr = wfGetDB( DB_REPLICA ); + + return [ + 'tables' => [ + 'redirect', + 'p1' => 'page', + 'p2' => 'page', + ], + 'fields' => [ + 'namespace' => 'p1.page_namespace', + 'title' => 'p1.page_title', + 'value' => 'p1.page_title', + 'rd_namespace', + 'rd_title', + 'rd_fragment', + ], + 'conds' => [ + // Exclude pages that don't exist locally as wiki pages, + // but aren't "broken" either. + // Special pages and interwiki links + 'rd_namespace >= 0', + 'rd_interwiki IS NULL OR rd_interwiki = ' . $dbr->addQuotes( '' ), + 'p2.page_namespace IS NULL', + ], + 'join_conds' => [ + 'p1' => [ 'JOIN', [ + 'rd_from=p1.page_id', + ] ], + 'p2' => [ 'LEFT JOIN', [ + 'rd_namespace=p2.page_namespace', + 'rd_title=p2.page_title' + ] ], + ], + ]; + } + + /** + * @return array + */ + function getOrderFields() { + return [ 'rd_namespace', 'rd_title', 'rd_from' ]; + } + + /** + * @param Skin $skin + * @param object $result Result row + * @return string + */ + function formatResult( $skin, $result ) { + $fromObj = Title::makeTitle( $result->namespace, $result->title ); + if ( isset( $result->rd_title ) ) { + $toObj = Title::makeTitle( $result->rd_namespace, $result->rd_title, $result->rd_fragment ); + } else { + $blinks = $fromObj->getBrokenLinksFrom(); # TODO: check for redirect, not for links + if ( $blinks ) { + $toObj = $blinks[0]; + } else { + $toObj = false; + } + } + + $linkRenderer = $this->getLinkRenderer(); + // $toObj may very easily be false if the $result list is cached + if ( !is_object( $toObj ) ) { + return '<del>' . $linkRenderer->makeLink( $fromObj ) . '</del>'; + } + + $from = $linkRenderer->makeKnownLink( + $fromObj, + null, + [], + [ 'redirect' => 'no' ] + ); + $links = []; + // if the page is editable, add an edit link + if ( + // check user permissions + $this->getUser()->isAllowed( 'edit' ) && + // check, if the content model is editable through action=edit + ContentHandler::getForTitle( $fromObj )->supportsDirectEditing() + ) { + $links[] = $linkRenderer->makeKnownLink( + $fromObj, + $this->msg( 'brokenredirects-edit' )->text(), + [], + [ 'action' => 'edit' ] + ); + } + $to = $linkRenderer->makeBrokenLink( $toObj, $toObj->getFullText() ); + $arr = $this->getLanguage()->getArrow(); + + $out = $from . $this->msg( 'word-separator' )->escaped(); + + if ( $this->getUser()->isAllowed( 'delete' ) ) { + $links[] = $linkRenderer->makeKnownLink( + $fromObj, + $this->msg( 'brokenredirects-delete' )->text(), + [], + [ 'action' => 'delete' ] + ); + } + + if ( $links ) { + $out .= $this->msg( 'parentheses' )->rawParams( $this->getLanguage() + ->pipeList( $links ) )->escaped(); + } + $out .= " {$arr} {$to}"; + + return $out; + } + + /** + * Cache page content model for performance + * + * @param IDatabase $db + * @param IResultWrapper $res + */ + function preprocessResults( $db, $res ) { + $this->executeLBFromResultWrapper( $res ); + } + + protected function getGroupName() { + return 'maintenance'; + } +} |