3 * A querypage to list the most wanted categories
6 * @subpackage SpecialPage
8 * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
9 * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
10 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
14 require_once 'QueryPage.php';
18 * @subpackage SpecialPage
20 class WantedCategoriesPage
extends QueryPage
{
22 function getName() { return 'Wantedcategories'; }
23 function isExpensive() { return true; }
24 function isSyndicated() { return false; }
27 $dbr =& wfGetDB( DB_SLAVE
);
28 extract( $dbr->tableNames( 'categorylinks', 'page' ) );
29 $name = $dbr->addQuotes( $this->getName() );
34 " . NS_CATEGORY
. " as namespace,
38 LEFT JOIN $page ON cl_to = page_title AND page_namespace = ". NS_CATEGORY
."
39 WHERE page_title IS NULL
44 function sortDescending() { return true; }
47 * Fetch user page links and cache their existence
49 function preprocessResults( &$db, &$res ) {
50 $batch = new LinkBatch
;
51 while ( $row = $db->fetchObject( $res ) )
52 $batch->addObj( Title
::makeTitleSafe( $row->namespace, $row->title
) );
55 // Back to start for display
56 if ( $db->numRows( $res ) > 0 )
57 // If there are no rows we get an error seeking.
58 $db->dataSeek( $res, 0 );
61 function formatResult( $skin, $result ) {
62 global $wgLang, $wgContLang;
64 $nt = Title
::makeTitle( $result->namespace, $result->title
);
65 $text = $wgContLang->convert( $nt->getText() );
67 $plink = $this->isCached() ?
68 $skin->makeLinkObj( $nt, htmlspecialchars( $text ) ) :
69 $skin->makeBrokenLinkObj( $nt, htmlspecialchars( $text ) );
71 $nlinks = wfMsg( 'members', $wgLang->formatNum( $result->value
) );
72 return wfSpecialList($plink, $nlinks);
79 function wfSpecialWantedCategories() {
80 list( $limit, $offset ) = wfCheckLimits();
82 $wpp = new WantedCategoriesPage();
84 $wpp->doQuery( $offset, $limit );