includes/specials/SpecialAncientpages.php

   1 <?php
   2 /**
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  * http://www.gnu.org/copyleft/gpl.html
  18  */
  19
  20 /**
  21  * @file
  22  * Implements Special:Ancientpages
  23  * @ingroup SpecialPage
  24  */
  25 class AncientPagesPage extends QueryPage {
  26
  27         function getName() {
  28                 return "Ancientpages";
  29         }
  30
  31         function isExpensive() {
  32                 return true;
  33         }
  34
  35         function isSyndicated() { return false; }
  36
  37         function getSQL() {
  38                 global $wgDBtype;
  39                 $db = wfGetDB( DB_SLAVE );
  40                 $page = $db->tableName( 'page' );
  41                 $revision = $db->tableName( 'revision' );
  42
  43                 switch ($wgDBtype) {
  44                         case 'mysql':
  45                                 $epoch = 'UNIX_TIMESTAMP(rev_timestamp)';
  46                                 break;
  47                         case 'ibm_db2':
  48                                 // TODO implement proper conversion to a Unix epoch
  49                                 $epoch = 'rev_timestamp';
  50                                 break;
  51                         case 'oracle':
  52                                 $epoch = '((trunc(rev_timestamp) - to_date(\'19700101\',\'YYYYMMDD\')) * 86400)';
  53                                 break;
  54                         case 'sqlite':
  55                                 $epoch = 'rev_timestamp';
  56                                 break;
  57                         case 'mssql':
  58                                 $epoch = 'DATEDIFF(s,CONVERT(datetime,\'1/1/1970\'),rev_timestamp)';
  59                                 break;
  60                         default:
  61                                 $epoch = 'EXTRACT(epoch FROM rev_timestamp)';
  62                 }
  63
  64                 return
  65                         "SELECT 'Ancientpages' as type,
  66                                         page_namespace as namespace,
  67                                 page_title as title,
  68                                 $epoch as value
  69                         FROM $page, $revision
  70                         WHERE page_namespace=".NS_MAIN." AND page_is_redirect=0
  71                           AND page_latest=rev_id";
  72         }
  73
  74         function sortDescending() {
  75                 return false;
  76         }
  77
  78         function formatResult( $skin, $result ) {
  79                 global $wgLang, $wgContLang;
  80
  81                 $d = $wgLang->timeanddate( wfTimestamp( TS_MW, $result->value ), true );
  82                 $title = Title::makeTitle( $result->namespace, $result->title );
  83                 $link = $skin->linkKnown(
  84                         $title,
  85                         htmlspecialchars( $wgContLang->convert( $title->getPrefixedText() ) )
  86                 );
  87                 return wfSpecialList($link, htmlspecialchars($d) );
  88         }
  89 }
  90
  91 function wfSpecialAncientpages() {
  92         list( $limit, $offset ) = wfCheckLimits();
  93
  94         $app = new AncientPagesPage();
  95
  96         $app->doQuery( $offset, $limit );
  97 }