SpecialUnwatchedpages.php

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<?php
class UnwatchedpagesPage extends QueryPage {

        function __construct( $name = 'Unwatchedpages' ) {
                parent::__construct( $name, 'unwatchedpages' );
        }

        function isExpensive() {
                return true;
        }

        function isSyndicated() {
                return false;
        }

        function getQueryInfo() {
                return array (
                        'tables' => array ( 'page', 'watchlist' ),
                        'fields' => array ( 'namespace' => 'page_namespace',
                                        'title' => 'page_title',
                                        'value' => 'page_namespace' ),
                        'conds' => array ( 'wl_title IS NULL',
                                        'page_is_redirect' => 0,
                                        "page_namespace != '" . NS_MEDIAWIKI .
                                        "'" ),
                        'join_conds' => array ( 'watchlist' => array (
                                'LEFT JOIN', array ( 'wl_title = page_title',
                                        'wl_namespace = page_namespace' ) ) )
                );
        }

        function sortDescending() {
                return false;
        }

        function getOrderFields() {
                return array( 'page_namespace', 'page_title' );
        }

        function formatResult( $skin, $result ) {
                global $wgContLang;

                $nt = Title::makeTitleSafe( $result->namespace, $result->title );
                if ( !$nt ) {
                        return Html::element( 'span', array( 'class' => 'mw-invalidtitle' ),
                                Linker::getInvalidTitleDescription( $this->getContext(), $result->namespace, $result->title ) );
                }

                $text = $wgContLang->convert( $nt->getPrefixedText() );

                $plink = Linker::linkKnown( $nt, htmlspecialchars( $text ) );
                $token = WatchAction::getWatchToken( $nt, $this->getUser() );
                $wlink = Linker::linkKnown(
                        $nt,
                        $this->msg( 'watch' )->escaped(),
                        array(),
                        array( 'action' => 'watch', 'token' => $token )
                );

                return $this->getLanguage()->specialList( $plink, $wlink );
        }

        protected function getGroupName() {
                return 'maintenance';
        }
}