includes/SpecialLonelypages.php

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup SpecialPage
   5  */
   6
   7 /**
   8  * A special page looking for articles with no article linking to them,
   9  * thus being lonely.
  10  * @ingroup SpecialPage
  11  */
  12 class LonelyPagesPage extends PageQueryPage {
  13
  14         function getName() {
  15                 return "Lonelypages";
  16         }
  17         function getPageHeader() {
  18                 return wfMsgExt( 'lonelypagestext', array( 'parse' ) );
  19         }
  20
  21         function sortDescending() {
  22                 return false;
  23         }
  24
  25         function isExpensive() {
  26                 return true;
  27         }
  28         function isSyndicated() { return false; }
  29
  30         function getSQL() {
  31                 $dbr = wfGetDB( DB_SLAVE );
  32                 list( $page, $pagelinks ) = $dbr->tableNamesN( 'page', 'pagelinks' );
  33
  34                 return
  35                   "SELECT 'Lonelypages'  AS type,
  36                           page_namespace AS namespace,
  37                           page_title     AS title,
  38                           page_title     AS value
  39                      FROM $page
  40                 LEFT JOIN $pagelinks
  41                        ON page_namespace=pl_namespace AND page_title=pl_title
  42                     WHERE pl_namespace IS NULL
  43                       AND page_namespace=".NS_MAIN."
  44                       AND page_is_redirect=0";
  45
  46         }
  47 }
  48
  49 /**
  50  * Constructor
  51  */
  52 function wfSpecialLonelypages() {
  53         list( $limit, $offset ) = wfCheckLimits();
  54
  55         $lpp = new LonelyPagesPage();
  56
  57         return $lpp->doQuery( $offset, $limit );
  58 }