includes/specials/SpecialUnwatchedpages.php

   1 <?php
   2 /**
   3  * Implements Special:Unwatchedpages
   4  *
   5  * Copyright © 2005 Ævar Arnfjörð Bjarmason
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  * http://www.gnu.org/copyleft/gpl.html
  21  *
  22  * @file
  23  * @ingroup SpecialPage
  24  * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
  25  */
  26
  27 /**
  28  * A special page that displays a list of pages that are not on anyones watchlist.
  29  *
  30  * @ingroup SpecialPage
  31  */
  32 class UnwatchedpagesPage extends QueryPage {
  33
  34         function getName() { return 'Unwatchedpages'; }
  35         function isExpensive() { return true; }
  36         function isSyndicated() { return false; }
  37
  38         function getSQL() {
  39                 $dbr = wfGetDB( DB_SLAVE );
  40                 list( $page, $watchlist ) = $dbr->tableNamesN( 'page', 'watchlist' );
  41                 $mwns = NS_MEDIAWIKI;
  42                 return
  43                         "
  44                         SELECT
  45                                 'Unwatchedpages' as type,
  46                                 page_namespace as namespace,
  47                                 page_title as title,
  48                                 page_namespace as value
  49                         FROM $page
  50                         LEFT JOIN $watchlist ON wl_namespace = page_namespace AND page_title = wl_title
  51                         WHERE wl_title IS NULL AND page_is_redirect = 0 AND page_namespace<>$mwns
  52                         ";
  53         }
  54
  55         function sortDescending() { return false; }
  56
  57         function formatResult( $skin, $result ) {
  58                 global $wgContLang;
  59
  60                 $nt = Title::makeTitle( $result->namespace, $result->title );
  61                 $text = $wgContLang->convert( $nt->getPrefixedText() );
  62
  63                 $plink = $skin->linkKnown(
  64                         $nt,
  65                         htmlspecialchars( $text )
  66                 );
  67                 $wlink = $skin->linkKnown(
  68                         $nt,
  69                         wfMsgHtml( 'watch' ),
  70                         array(),
  71                         array( 'action' => 'watch' )
  72                 );
  73
  74                 return wfSpecialList( $plink, $wlink );
  75         }
  76 }
  77
  78 /**
  79  * constructor
  80  */
  81 function wfSpecialUnwatchedpages() {
  82         global $wgUser, $wgOut;
  83
  84         if ( ! $wgUser->isAllowed( 'unwatchedpages' ) )
  85                 return $wgOut->permissionRequired( 'unwatchedpages' );
  86
  87         list( $limit, $offset ) = wfCheckLimits();
  88
  89         $wpp = new UnwatchedpagesPage();
  90
  91         $wpp->doQuery( $offset, $limit );
  92 }