Merge "SpecialTrackingCategories: Read from the extension registry"
[lhc/web/wiklou.git] / includes / specials / SpecialMostcategories.php
index 5174567..c70bbdb 100644 (file)
  * @ingroup SpecialPage
  */
 class MostcategoriesPage extends QueryPage {
-
        function __construct( $name = 'Mostcategories' ) {
                parent::__construct( $name );
        }
 
-       function isExpensive() { return true; }
-       function isSyndicated() { return false; }
+       function isExpensive() {
+               return true;
+       }
+
+       function isSyndicated() {
+               return false;
+       }
 
        function getQueryInfo() {
-               return array (
-                       'tables' => array ( 'categorylinks', 'page' ),
-                       'fields' => array ( 'page_namespace AS namespace',
-                                       'page_title AS title',
-                                       'COUNT(*) AS value' ),
-                       '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' ) )
+               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'
+                               )
+                       )
                );
        }
 
        /**
-        * @param $skin Skin
-        * @param $result
+        * @param IDatabase $db
+        * @param ResultWrapper $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();
+
+               $res->seek( 0 );
+       }
+
+       /**
+        * @param Skin $skin
+        * @param object $result Result row
         * @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 );
+               }
 
                $count = $this->msg( 'ncategories' )->numParams( $result->value )->escaped();
-               $link = Linker::link( $title );
+
                return $this->getLanguage()->specialList( $link, $count );
        }
+
+       protected function getGroupName() {
+               return 'highuse';
+       }
 }