*/
class MostcategoriesPage extends QueryPage {
- function getName() { return 'Mostcategories'; }
+ function __construct( $name = 'Mostcategories' ) {
+ parent::__construct( $name );
+ }
+
function isExpensive() { return true; }
function isSyndicated() { return false; }
- function getSQL() {
- $dbr = wfGetDB( DB_SLAVE );
- list( $categorylinks, $page) = $dbr->tableNamesN( 'categorylinks', 'page' );
- return
- "
- SELECT
- 'Mostcategories' as type,
- page_namespace as namespace,
- page_title as title,
- COUNT(*) as value
- FROM $categorylinks
- LEFT JOIN $page ON cl_from = page_id
- WHERE page_namespace = " . NS_MAIN . "
- GROUP BY page_namespace, page_title
- HAVING COUNT(*) > 1
- ";
+ function getQueryInfo() {
+ return array (
+ 'tables' => array ( 'categorylinks', 'page' ),
+ 'fields' => array ( 'namespace' => 'page_namespace',
+ 'title' => 'page_title',
+ 'value' => 'COUNT(*)' ),
+ 'conds' => array ( 'page_namespace' => MWNamespace::getContentNamespaces() ),
+ 'options' => array ( 'HAVING' => 'COUNT(*) > 1',
+ 'GROUP BY' => array( 'page_namespace', 'page_title' ) ),
+ 'join_conds' => array ( 'page' => array ( 'LEFT JOIN',
+ 'page_id = cl_from' ) )
+ );
}
- function formatResult( $skin, $result ) {
- global $wgLang;
- $title = Title::makeTitleSafe( $result->namespace, $result->title );
+ /**
+ * @param $db DatabaseBase
+ * @param $res
+ */
+ function preprocessResults( $db, $res ) {
+ # There's no point doing a batch check if we aren't caching results;
+ # the page must exist for it to have been pulled out of the table
+ if ( !$this->isCached() || !$res->numRows() ) {
+ return;
+ }
+
+ $batch = new LinkBatch();
+ foreach ( $res as $row ) {
+ $batch->add( $row->namespace, $row->title );
+ }
+ $batch->execute();
- $count = wfMsgExt( 'ncategories', array( 'parsemag', 'escape' ), $wgLang->formatNum( $result->value ) );
- $link = $skin->link( $title );
- return wfSpecialList( $link, $count );
+ $res->seek( 0 );
}
-}
-/**
- * constructor
- */
-function wfSpecialMostcategories() {
- list( $limit, $offset ) = wfCheckLimits();
+ /**
+ * @param $skin Skin
+ * @param $result
+ * @return string
+ */
+ function formatResult( $skin, $result ) {
+ $title = Title::makeTitleSafe( $result->namespace, $result->title );
+ if ( !$title ) {
+ return Html::element( 'span', array( 'class' => 'mw-invalidtitle' ),
+ Linker::getInvalidTitleDescription( $this->getContext(), $result->namespace, $result->title ) );
+ }
+
+ if ( $this->isCached() ) {
+ $link = Linker::link( $title );
+ } else {
+ $link = Linker::linkKnown( $title );
+ }
- $wpp = new MostcategoriesPage();
+ $count = $this->msg( 'ncategories' )->numParams( $result->value )->escaped();
- $wpp->doQuery( $offset, $limit );
+ return $this->getLanguage()->specialList( $link, $count );
+ }
}