<?php
+/**
+ *
+ * @addtogroup SpecialPage
+ */
-require_once ( "QueryPage.php" ) ;
-
+/**
+ * implements Special:Wantedpages
+ * @addtogroup SpecialPage
+ */
class WantedPagesPage extends QueryPage {
+ var $nlinks;
+
+ function WantedPagesPage( $inc = false, $nlinks = true ) {
+ $this->setListoutput( $inc );
+ $this->nlinks = $nlinks;
+ }
function getName() {
- return "Wantedpages";
+ return 'Wantedpages';
}
function isExpensive() {
- return 1;
+ return true;
}
+ function isSyndicated() { return false; }
- function getSQL( $offset, $limit ) {
- return "SELECT bl_to, COUNT( DISTINCT bl_from ) as nlinks " .
- "FROM brokenlinks GROUP BY bl_to HAVING nlinks > 1 " .
- "ORDER BY nlinks DESC LIMIT {$offset}, {$limit}";
+ function getSQL() {
+ global $wgWantedPagesThreshold;
+ $count = $wgWantedPagesThreshold - 1;
+ $dbr = wfGetDB( DB_SLAVE );
+ $pagelinks = $dbr->tableName( 'pagelinks' );
+ $page = $dbr->tableName( 'page' );
+ return
+ "SELECT 'Wantedpages' AS type,
+ pl_namespace AS namespace,
+ pl_title AS title,
+ COUNT(*) AS value
+ FROM $pagelinks
+ LEFT JOIN $page AS pg1
+ ON pl_namespace = pg1.page_namespace AND pl_title = pg1.page_title
+ LEFT JOIN $page AS pg2
+ ON pl_from = pg2.page_id
+ WHERE pg1.page_namespace IS NULL
+ AND pl_namespace NOT IN ( 2, 3 )
+ AND pg2.page_namespace != 8
+ GROUP BY 1,2,3
+ HAVING COUNT(*) > $count";
}
- function formatResult( $skin, $result ) {
- global $wgLang;
+ /**
+ * Cache page existence for performance
+ */
+ function preprocessResults( $db, $res ) {
+ $batch = new LinkBatch;
+ while ( $row = $db->fetchObject( $res ) )
+ $batch->add( $row->namespace, $row->title );
+ $batch->execute();
- $nt = Title::newFromDBkey( $result->bl_to );
+ // Back to start for display
+ if ( $db->numRows( $res ) > 0 )
+ // If there are no rows we get an error seeking.
+ $db->dataSeek( $res, 0 );
+ }
- $plink = $skin->makeBrokenLink( $nt->getPrefixedText(), "" );
- $nl = wfMsg( "nlinks", $result->nlinks );
- $nlink = $skin->makeKnownLink( $wgLang->specialPage( "Whatlinkshere" ), $nl,
- "target=" . $nt->getPrefixedURL() );
+ /**
+ * Format an individual result
+ *
+ * @param Skin $skin Skin to use for UI elements
+ * @param object $result Result row
+ * @return string
+ */
+ public function formatResult( $skin, $result ) {
+ $title = Title::makeTitleSafe( $result->namespace, $result->title );
+ if( $title instanceof Title ) {
+ if( $this->isCached() ) {
+ $pageLink = $title->exists()
+ ? '<s>' . $skin->makeLinkObj( $title ) . '</s>'
+ : $skin->makeBrokenLinkObj( $title );
+ } else {
+ $pageLink = $skin->makeBrokenLinkObj( $title );
+ }
+ return wfSpecialList( $pageLink, $this->makeWlhLink( $title, $skin, $result ) );
+ } else {
+ $tsafe = htmlspecialchars( $result->title );
+ return "Invalid title in result set; {$tsafe}";
+ }
+ }
- return "{$plink} ({$nlink})";
+ /**
+ * Make a "what links here" link for a specified result if required
+ *
+ * @param Title $title Title to make the link for
+ * @param Skin $skin Skin to use
+ * @param object $result Result row
+ * @return string
+ */
+ private function makeWlhLink( $title, $skin, $result ) {
+ global $wgLang;
+ if( $this->nlinks ) {
+ $wlh = SpecialPage::getTitleFor( 'Whatlinkshere' );
+ $label = wfMsgExt( 'nlinks', array( 'parsemag', 'escape' ),
+ $wgLang->formatNum( $result->value ) );
+ return $skin->makeKnownLinkObj( $wlh, $label, 'target=' . $title->getPrefixedUrl() );
+ } else {
+ return null;
+ }
}
+
}
-function wfSpecialWantedpages()
-{
- list( $limit, $offset ) = wfCheckLimits();
+/**
+ * constructor
+ */
+function wfSpecialWantedpages( $par = null, $specialPage ) {
+ $inc = $specialPage->including();
- $wpp = new WantedPagesPage();
+ if ( $inc ) {
+ @list( $limit, $nlinks ) = explode( '/', $par, 2 );
+ $limit = (int)$limit;
+ $nlinks = $nlinks === 'nlinks';
+ $offset = 0;
+ } else {
+ list( $limit, $offset ) = wfCheckLimits();
+ $nlinks = true;
+ }
- $wpp->doQuery( $offset, $limit );
-}
+ $wpp = new WantedPagesPage( $inc, $nlinks );
-?>
+ $wpp->doQuery( $offset, $limit, !$inc );
+}