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Diffstat (limited to 'www/wiki/includes/specials/SpecialShortpages.php')
| -rw-r--r-- | www/wiki/includes/specials/SpecialShortpages.php | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/www/wiki/includes/specials/SpecialShortpages.php b/www/wiki/includes/specials/SpecialShortpages.php new file mode 100644 index 00000000..d90f72c2 --- /dev/null +++ b/www/wiki/includes/specials/SpecialShortpages.php @@ -0,0 +1,178 @@ +<?php +/** + * Implements Special:Shortpages + * + * 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; + +/** + * SpecialShortpages extends QueryPage. It is used to return the shortest + * pages in the database. + * + * @ingroup SpecialPage + */ +class ShortPagesPage extends QueryPage { + + function __construct( $name = 'Shortpages' ) { + parent::__construct( $name ); + } + + function isSyndicated() { + return false; + } + + public function getQueryInfo() { + $config = $this->getConfig(); + $blacklist = $config->get( 'ShortPagesNamespaceBlacklist' ); + $tables = [ 'page' ]; + $conds = [ + 'page_namespace' => array_diff( MWNamespace::getContentNamespaces(), $blacklist ), + 'page_is_redirect' => 0 + ]; + $joinConds = []; + $options = [ 'USE INDEX' => [ 'page' => 'page_redirect_namespace_len' ] ]; + + // Allow extensions to modify the query + Hooks::run( 'ShortPagesQuery', [ &$tables, &$conds, &$joinConds, &$options ] ); + + return [ + 'tables' => $tables, + 'fields' => [ + 'namespace' => 'page_namespace', + 'title' => 'page_title', + 'value' => 'page_len' + ], + 'conds' => $conds, + 'join_conds' => $joinConds, + 'options' => $options + ]; + } + + public function reallyDoQuery( $limit, $offset = false ) { + $fname = static::class . '::reallyDoQuery'; + $dbr = $this->getRecacheDB(); + $query = $this->getQueryInfo(); + $order = $this->getOrderFields(); + + if ( $this->sortDescending() ) { + foreach ( $order as &$field ) { + $field .= ' DESC'; + } + } + + $tables = isset( $query['tables'] ) ? (array)$query['tables'] : []; + $fields = isset( $query['fields'] ) ? (array)$query['fields'] : []; + $conds = isset( $query['conds'] ) ? (array)$query['conds'] : []; + $options = isset( $query['options'] ) ? (array)$query['options'] : []; + $join_conds = isset( $query['join_conds'] ) ? (array)$query['join_conds'] : []; + + if ( $limit !== false ) { + $options['LIMIT'] = intval( $limit ); + } + + if ( $offset !== false ) { + $options['OFFSET'] = intval( $offset ); + } + + $namespaces = $conds['page_namespace']; + if ( count( $namespaces ) === 1 ) { + $options['ORDER BY'] = $order; + $res = $dbr->select( $tables, $fields, $conds, $fname, + $options, $join_conds + ); + } else { + unset( $conds['page_namespace'] ); + $options['INNER ORDER BY'] = $order; + $options['ORDER BY'] = [ 'value' . ( $this->sortDescending() ? ' DESC' : '' ) ]; + $sql = $dbr->unionConditionPermutations( + $tables, + $fields, + [ 'page_namespace' => $namespaces ], + $conds, + $fname, + $options, + $join_conds + ); + $res = $dbr->query( $sql, $fname ); + } + + return $res; + } + + function getOrderFields() { + return [ 'page_len' ]; + } + + /** + * @param IDatabase $db + * @param IResultWrapper $res + */ + function preprocessResults( $db, $res ) { + $this->executeLBFromResultWrapper( $res ); + } + + function sortDescending() { + return false; + } + + /** + * @param Skin $skin + * @param object $result Result row + * @return string + */ + function formatResult( $skin, $result ) { + $dm = $this->getLanguage()->getDirMark(); + + $title = Title::makeTitleSafe( $result->namespace, $result->title ); + if ( !$title ) { + return Html::element( 'span', [ 'class' => 'mw-invalidtitle' ], + Linker::getInvalidTitleDescription( $this->getContext(), $result->namespace, $result->title ) ); + } + + $linkRenderer = $this->getLinkRenderer(); + $hlink = $linkRenderer->makeKnownLink( + $title, + $this->msg( 'hist' )->text(), + [], + [ 'action' => 'history' ] + ); + $hlinkInParentheses = $this->msg( 'parentheses' )->rawParams( $hlink )->escaped(); + + if ( $this->isCached() ) { + $plink = $linkRenderer->makeLink( $title ); + $exists = $title->exists(); + } else { + $plink = $linkRenderer->makeKnownLink( $title ); + $exists = true; + } + + $size = $this->msg( 'nbytes' )->numParams( $result->value )->escaped(); + + return $exists + ? "${hlinkInParentheses} {$dm}{$plink} {$dm}[{$size}]" + : "<del>${hlinkInParentheses} {$dm}{$plink} {$dm}[{$size}]</del>"; + } + + protected function getGroupName() { + return 'maintenance'; + } +} |