SpecialShortpages.php

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<?php
class ShortPagesPage extends QueryPage {

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

    function isSyndicated() {
        return false;
    }

    function getQueryInfo() {
        return array(
            'tables' => array( 'page' ),
            'fields' => array( 'namespace' => 'page_namespace',
                    'title' => 'page_title',
                    'value' => 'page_len' ),
            'conds' => array( 'page_namespace' =>
                    MWNamespace::getContentNamespaces(),
                    'page_is_redirect' => 0 ),
            'options' => array( 'USE INDEX' => 'page_redirect_namespace_len' )
        );
    }

    function getOrderFields() {
        return array( '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', array( 'class' => 'mw-invalidtitle' ),
                Linker::getInvalidTitleDescription( $this->getContext(), $result->namespace, $result->title ) );
        }

        $hlink = Linker::linkKnown(
            $title,
            $this->msg( 'hist' )->escaped(),
            array(),
            array( 'action' => 'history' )
        );
        $hlinkInParentheses = $this->msg( 'parentheses' )->rawParams( $hlink )->escaped();

        if ( $this->isCached() ) {
            $plink = Linker::link( $title );
            $exists = $title->exists();
        } else {
            $plink = Linker::linkKnown( $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';
    }
}