includes/SpecialShortpages.php

   1 <?php
   2 /**
   3  *
   4  * @addtogroup SpecialPage
   5  */
   6
   7 /**
   8  * SpecialShortpages extends QueryPage. It is used to return the shortest
   9  * pages in the database.
  10  * @addtogroup SpecialPage
  11  */
  12 class ShortPagesPage extends QueryPage {
  13
  14         function getName() {
  15                 return "Shortpages";
  16         }
  17
  18         /**
  19          * This query is indexed as of 1.5
  20          */
  21         function isExpensive() {
  22                 return true;
  23         }
  24
  25         function isSyndicated() {
  26                 return false;
  27         }
  28
  29         function getSQL() {
  30                 $dbr = wfGetDB( DB_SLAVE );
  31                 $page = $dbr->tableName( 'page' );
  32                 $name = $dbr->addQuotes( $this->getName() );
  33
  34                 $forceindex = $dbr->useIndexClause("page_len");
  35                 return
  36                         "SELECT $name as type,
  37                                 page_namespace as namespace,
  38                                 page_title as title,
  39                                 page_len AS value
  40                         FROM $page $forceindex
  41                         WHERE page_namespace=".NS_MAIN." AND page_is_redirect=0";
  42         }
  43
  44         function preprocessResults( &$db, &$res ) {
  45                 # There's no point doing a batch check if we aren't caching results;
  46                 # the page must exist for it to have been pulled out of the table
  47                 if( $this->isCached() ) {
  48                         $batch = new LinkBatch();
  49                         while( $row = $db->fetchObject( $res ) )
  50                                 $batch->addObj( Title::makeTitleSafe( $row->namespace, $row->title ) );
  51                         $batch->execute();
  52                         if( $db->numRows( $res ) > 0 )
  53                                 $db->dataSeek( $res, 0 );
  54                 }
  55         }
  56
  57         function sortDescending() {
  58                 return false;
  59         }
  60
  61         function formatResult( $skin, $result ) {
  62                 global $wgLang, $wgContLang;
  63                 $dm = $wgContLang->getDirMark();
  64
  65                 $title = Title::makeTitleSafe( $result->namespace, $result->title );
  66                 if ( !$title ) {
  67                         return '<!-- Invalid title ' .  htmlspecialchars( "{$result->namespace}:{$result->title}" ). '-->';
  68                 }
  69                 $hlink = $skin->makeKnownLinkObj( $title, wfMsgHtml( 'hist' ), 'action=history' );
  70                 $plink = $this->isCached()
  71                                         ? $skin->makeLinkObj( $title )
  72                                         : $skin->makeKnownLinkObj( $title );
  73                 $size = wfMsgExt( 'nbytes', array( 'parsemag', 'escape' ), $wgLang->formatNum( htmlspecialchars( $result->value ) ) );
  74
  75                 return $title->exists()
  76                                 ? "({$hlink}) {$dm}{$plink} {$dm}[{$size}]"
  77                                 : "<s>({$hlink}) {$dm}{$plink} {$dm}[{$size}]</s>";
  78         }
  79 }
  80
  81 /**
  82  * constructor
  83  */
  84 function wfSpecialShortpages() {
  85         list( $limit, $offset ) = wfCheckLimits();
  86
  87         $spp = new ShortPagesPage();
  88
  89         return $spp->doQuery( $offset, $limit );
  90 }
  91
  92