Handle multiple warnings correctly in ApiBase::setWarning(). Calling this function...

[lhc/web/wiklou.git] / includes / SpecialWantedpages.php

diff --git a/includes/SpecialWantedpages.php b/includes/SpecialWantedpages.php
index 834d68c..c14cce1 100644 (file)
--- a/includes/SpecialWantedpages.php
+++ b/includes/SpecialWantedpages.php
@@ -1,63 +1,131 @@
-<?
-
-include_once ( "LogPage.php" ) ;
-
-function wfSpecialWantedpages()
-{
-       global $wgUser, $wgOut, $wgLang, $wgTitle;
-       $fname = "wfSpecialWantedpages";
-
-       # Cache
-       $vsp = $wgLang->getValidSpecialPages() ;
-       $log = new LogPage( $vsp["Wantedpages"] );
-       $log->mUpdateRecentChanges = false;
-
-       $wgOut->setRobotpolicy( "noindex,nofollow" );
-       global $wgMiserMode;
-       if ( $wgMiserMode ) {
-               $log->showAsDisabledPage();
-               return;
+<?php
+/**
+ * @file
+ * @ingroup SpecialPage
+ */
+
+/**
+ * implements Special:Wantedpages
+ * @ingroup SpecialPage
+ */
+class WantedPagesPage extends QueryPage {
+       var $nlinks;
+
+       function WantedPagesPage( $inc = false, $nlinks = true ) {
+               $this->setListoutput( $inc );
+               $this->nlinks = $nlinks;
        }
 
-       list( $limit, $offset ) = wfCheckLimits();
-
-       $cache = "" ; # To be saved, eventually
-
-       $sql = "SELECT bl_to, COUNT( DISTINCT bl_from ) as nlinks " .
-         "FROM brokenlinks GROUP BY bl_to HAVING nlinks > 1 " .
-         "ORDER BY nlinks DESC LIMIT {$offset}, {$limit}";
-       $res = wfQuery( $sql, DB_READ, $fname );
-
-       $sk = $wgUser->getSkin();
+       function getName() {
+               return 'Wantedpages';
+       }
 
-       $top = wfShowingResults( $offset, $limit );
-       $wgOut->addHTML( "<p>{$top}\n" );
+       function isExpensive() {
+               return true;
+       }
+       function isSyndicated() { return false; }
+
+       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";
+       }
 
-       $sl = wfViewPrevNext( $offset, $limit,
-         $wgLang->specialpage( "Wantedpages" ) );
-       $wgOut->addHTML( "<br>{$sl}\n" );
+       /**
+        * 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();
+
+               // Back to start for display
+               if ( $db->numRows( $res ) > 0 )
+                       // If there are no rows we get an error seeking.
+                       $db->dataSeek( $res, 0 );
+       }
 
-       $s = "<ol start=" . ( $offset + 1 ) . ">";
-       while ( $obj = wfFetchObject( $res ) ) {
-               $nt = Title::newFromDBkey( $obj->bl_to );
+       /**
+        * 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}";
+               }
+       }
 
-               $plink = $sk->makeBrokenLink( $nt->getPrefixedText(), "" );
-               $nl = wfMsg( "nlinks", $obj->nlinks );
-               $nlink = $sk->makeKnownLink( $wgLang->specialPage(
-                 "Whatlinkshere" ), $nl, "target=" . $nt->getPrefixedURL() );
+       /**
+        * 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;
+               }
+       }
 
-               $cache .= "* [[".$nt->getPrefixedText()."]] ({$nl})\n" ;
+}
 
-               $s .= "<li>{$plink} ({$nlink})</li>\n";
+/**
+ * constructor
+ */
+function wfSpecialWantedpages( $par = null, $specialPage ) {
+       $inc = $specialPage->including();
+
+       if ( $inc ) {
+               @list( $limit, $nlinks ) = explode( '/', $par, 2 );
+               $limit = (int)$limit;
+               $nlinks = $nlinks === 'nlinks';
+               $offset = 0;
+       } else {
+               list( $limit, $offset ) = wfCheckLimits();
+               $nlinks = true;
        }
-       wfFreeResult( $res );
-       $s .= "</ol>";
-       $wgOut->addHTML( $s );
-       $wgOut->addHTML( "<p>{$sl}\n" );
 
-       # Saving cache
-       if ( $offset > 0 OR $limit < 50 ) return ; #Not suitable
-       $log->replaceContent( $s );
-}
+       $wpp = new WantedPagesPage( $inc, $nlinks );
 
-?>
+       $wpp->doQuery( $offset, $limit, !$inc );
+}