SpecialShortpages.php

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<?php
class ShortPagesPage extends QueryPage {

    function __construct( $name = 'Shortpages' ) {
        parent::__construct( $name );
    }

    function isSyndicated() {
        return false;
    }

    public function getQueryInfo() {
        $tables = [ 'page' ];
        $conds = [
            'page_namespace' => MWNamespace::getContentNamespaces(),
            '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
        ];
    }

    function getOrderFields() {
        return [ 'page_len' ];
    }

    function preprocessResults( $db, $res ) {
        # There's no point doing a batch check if we aren't caching results;
        # the page must exist for it to have been pulled out of the table
        if ( !$this->isCached() || !$res->numRows() ) {
            return;
        }

        $batch = new LinkBatch();
        foreach ( $res as $row ) {
            $batch->add( $row->namespace, $row->title );
        }
        $batch->execute();

        $res->seek( 0 );
    }

    function sortDescending() {
        return false;
    }

    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';
    }
}