* @author Rob Church <robchur@gmail.com>
*/
+use Wikimedia\Rdbms\ResultWrapper;
+use Wikimedia\Rdbms\IDatabase;
+
/**
* A special page to show pages ordered by the number of pages linking to them.
*
* @ingroup SpecialPage
*/
class MostlinkedPage extends QueryPage {
+ function __construct( $name = 'Mostlinked' ) {
+ parent::__construct( $name );
+ }
- function getName() { return 'Mostlinked'; }
- function isExpensive() { return true; }
- function isSyndicated() { return false; }
-
- function getSQL() {
- global $wgMiserMode;
-
- $dbr = wfGetDB( DB_SLAVE );
+ public function isExpensive() {
+ return true;
+ }
- # In miser mode, reduce the query cost by adding a threshold for large wikis
- if ( $wgMiserMode ) {
- $numPages = SiteStats::pages();
- if ( $numPages > 10000 ) {
- $cutoff = 100;
- } elseif ( $numPages > 100 ) {
- $cutoff = intval( sqrt( $numPages ) );
- } else {
- $cutoff = 1;
- }
- } else {
- $cutoff = 1;
- }
+ function isSyndicated() {
+ return false;
+ }
- list( $pagelinks, $page ) = $dbr->tableNamesN( 'pagelinks', 'page' );
- return
- "SELECT 'Mostlinked' AS type,
- pl_namespace AS namespace,
- pl_title AS title,
- COUNT(*) AS value
- FROM $pagelinks
- LEFT JOIN $page ON pl_namespace=page_namespace AND pl_title=page_title
- GROUP BY pl_namespace, pl_title
- HAVING COUNT(*) > $cutoff";
+ public function getQueryInfo() {
+ return [
+ 'tables' => [ 'pagelinks', 'page' ],
+ 'fields' => [
+ 'namespace' => 'pl_namespace',
+ 'title' => 'pl_title',
+ 'value' => 'COUNT(*)',
+ 'page_namespace'
+ ],
+ 'options' => [
+ 'HAVING' => 'COUNT(*) > 1',
+ 'GROUP BY' => [
+ 'pl_namespace', 'pl_title',
+ 'page_namespace'
+ ]
+ ],
+ 'join_conds' => [
+ 'page' => [
+ 'LEFT JOIN',
+ [
+ 'page_namespace = pl_namespace',
+ 'page_title = pl_title'
+ ]
+ ]
+ ]
+ ];
}
/**
* Pre-fill the link cache
+ *
+ * @param IDatabase $db
+ * @param ResultWrapper $res
*/
function preprocessResults( $db, $res ) {
- if( $db->numRows( $res ) > 0 ) {
- $linkBatch = new LinkBatch();
- foreach ( $res as $row ) {
- $linkBatch->add( $row->namespace, $row->title );
- }
- $db->dataSeek( $res, 0 );
- $linkBatch->execute();
- }
+ $this->executeLBFromResultWrapper( $res );
}
/**
* Make a link to "what links here" for the specified title
*
- * @param $title Title being queried
- * @param $caption String: text to display on the link
- * @param $skin Skin to use
- * @return String
+ * @param Title $title Title being queried
+ * @param string $caption Text to display on the link
+ * @return string
*/
- function makeWlhLink( &$title, $caption, &$skin ) {
+ function makeWlhLink( $title, $caption ) {
$wlh = SpecialPage::getTitleFor( 'Whatlinkshere', $title->getPrefixedDBkey() );
- return $skin->linkKnown( $wlh, $caption );
+
+ $linkRenderer = $this->getLinkRenderer();
+ return $linkRenderer->makeKnownLink( $wlh, $caption );
}
/**
- * Make links to the page corresponding to the item, and the "what links here" page for it
+ * Make links to the page corresponding to the item,
+ * and the "what links here" page for it
*
- * @param $skin Skin to be used
- * @param $result Result row
+ * @param Skin $skin Skin to be used
+ * @param object $result Result row
* @return string
*/
function formatResult( $skin, $result ) {
- global $wgLang;
$title = Title::makeTitleSafe( $result->namespace, $result->title );
if ( !$title ) {
- return '<!-- ' . htmlspecialchars( "Invalid title: [[$title]]" ) . ' -->';
+ return Html::element(
+ 'span',
+ [ 'class' => 'mw-invalidtitle' ],
+ Linker::getInvalidTitleDescription(
+ $this->getContext(),
+ $result->namespace,
+ $result->title )
+ );
}
- $link = $skin->link( $title );
- $wlh = $this->makeWlhLink( $title,
- wfMsgExt( 'nlinks', array( 'parsemag', 'escape'),
- $wgLang->formatNum( $result->value ) ), $skin );
- return wfSpecialList( $link, $wlh );
- }
-}
-/**
- * constructor
- */
-function wfSpecialMostlinked() {
- list( $limit, $offset ) = wfCheckLimits();
+ $linkRenderer = $this->getLinkRenderer();
+ $link = $linkRenderer->makeLink( $title );
+ $wlh = $this->makeWlhLink(
+ $title,
+ $this->msg( 'nlinks' )->numParams( $result->value )->text()
+ );
- $wpp = new MostlinkedPage();
+ return $this->getLanguage()->specialList( $link, $wlh );
+ }
- $wpp->doQuery( $offset, $limit );
+ protected function getGroupName() {
+ return 'highuse';
+ }
}