includes/specials/SpecialWantedtemplates.php

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup SpecialPage
   5  */
   6
   7 /**
   8  * A querypage to list the most wanted templates - implements Special:Wantedtemplates
   9  * based on SpecialWantedcategories.php by Ævar Arnfjörð Bjarmason <avarab@gmail.com>
  10  * makeWlhLink() taken from SpecialMostlinkedtemplates by Rob Church <robchur@gmail.com>
  11  *
  12  * @ingroup SpecialPage
  13  *
  14  * @author Danny B.
  15  * @copyright Copyright © 2008, Danny B.
  16  * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
  17  */
  18 class WantedTemplatesPage extends QueryPage {
  19
  20         function getName() {
  21                 return 'Wantedtemplates';
  22         }
  23
  24         function isExpensive() {
  25                 return true;
  26         }
  27
  28         function isSyndicated() {
  29                 return false;
  30         }
  31
  32         function getSQL() {
  33                 $dbr = wfGetDB( DB_SLAVE );
  34                 list( $templatelinks, $page ) = $dbr->tableNamesN( 'templatelinks', 'page' );
  35                 $name = $dbr->addQuotes( $this->getName() );
  36                 return
  37                         "
  38                           SELECT $name as type,
  39                                  tl_namespace as namespace,
  40                                  tl_title as title,
  41                                  COUNT(*) as value
  42                             FROM $templatelinks LEFT JOIN
  43                                  $page ON tl_title = page_title AND tl_namespace = page_namespace
  44                            WHERE page_title IS NULL AND tl_namespace = ". NS_TEMPLATE ."
  45                         GROUP BY tl_namespace, tl_title
  46                         ";
  47         }
  48
  49         function sortDescending() { return true; }
  50
  51         /**
  52          * Fetch user page links and cache their existence
  53          */
  54         function preprocessResults( $db, $res ) {
  55                 $batch = new LinkBatch;
  56                 while ( $row = $db->fetchObject( $res ) )
  57                         $batch->add( $row->namespace, $row->title );
  58                 $batch->execute();
  59
  60                 // Back to start for display
  61                 if ( $db->numRows( $res ) > 0 )
  62                         // If there are no rows we get an error seeking.
  63                         $db->dataSeek( $res, 0 );
  64         }
  65
  66         function formatResult( $skin, $result ) {
  67                 global $wgLang, $wgContLang;
  68
  69                 $nt = Title::makeTitle( $result->namespace, $result->title );
  70                 $text = $wgContLang->convert( $nt->getText() );
  71
  72                 $plink = $this->isCached() ?
  73                         $skin->makeLinkObj( $nt, htmlspecialchars( $text ) ) :
  74                         $skin->makeBrokenLinkObj( $nt, htmlspecialchars( $text ) );
  75
  76                 return wfSpecialList(
  77                         $plink,
  78                         $this->makeWlhLink( $nt, $skin, $result )
  79                 );
  80         }
  81
  82         /**
  83          * Make a "what links here" link for a given title
  84          *
  85          * @param Title $title Title to make the link for
  86          * @param Skin $skin Skin to use
  87          * @param object $result Result row
  88          * @return string
  89          */
  90         private function makeWlhLink( $title, $skin, $result ) {
  91                 global $wgLang;
  92                 $wlh = SpecialPage::getTitleFor( 'Whatlinkshere' );
  93                 $label = wfMsgExt( 'nlinks', array( 'parsemag', 'escape' ),
  94                 $wgLang->formatNum( $result->value ) );
  95                 return $skin->link( $wlh, $label, array(), array( 'target' => $title->getPrefixedText() ) );
  96         }
  97 }
  98
  99 /**
 100  * constructor
 101  */
 102 function wfSpecialWantedTemplates() {
 103         list( $limit, $offset ) = wfCheckLimits();
 104
 105         $wpp = new WantedTemplatesPage();
 106
 107         $wpp->doQuery( $offset, $limit );
 108 }