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authorPierre Schmitz <pierre@archlinux.de>2008-12-15 18:02:47 +0100
committerPierre Schmitz <pierre@archlinux.de>2008-12-15 18:02:47 +0100
commit396b28f3d881f5debd888ba9bb9b47c2d478a76f (patch)
tree10d6e1a721ee4ef69def34a57f02d7eb3fc9e31e /includes/SpecialRandompage.php
parent0be4d3ccf6c4fe98a72704f9463ecdea2ee5e615 (diff)
update to Mediawiki 1.13.3; some cleanups
Diffstat (limited to 'includes/SpecialRandompage.php')
-rw-r--r--includes/SpecialRandompage.php108
1 files changed, 0 insertions, 108 deletions
diff --git a/includes/SpecialRandompage.php b/includes/SpecialRandompage.php
deleted file mode 100644
index 9f324bd0..00000000
--- a/includes/SpecialRandompage.php
+++ /dev/null
@@ -1,108 +0,0 @@
-<?php
-
-/**
- * Special page to direct the user to a random page
- *
- * @addtogroup SpecialPage
- * @author Rob Church <robchur@gmail.com>, Ilmari Karonen
- * @license GNU General Public Licence 2.0 or later
- */
-
-/**
- * Special page to direct the user to a random page
- *
- * @addtogroup SpecialPage
- */
-class RandomPage extends SpecialPage {
- private $namespace = NS_MAIN; // namespace to select pages from
-
- function __construct( $name = 'Randompage' ){
- parent::__construct( $name );
- }
-
- public function getNamespace() {
- return $this->namespace;
- }
-
- public function setNamespace ( $ns ) {
- if( $ns < NS_MAIN ) $ns = NS_MAIN;
- $this->namespace = $ns;
- }
-
- // select redirects instead of normal pages?
- // Overriden by SpecialRandomredirect
- public function isRedirect(){
- return false;
- }
-
- public function execute( $par ) {
- global $wgOut, $wgContLang;
-
- if ($par)
- $this->setNamespace( $wgContLang->getNsIndex( $par ) );
-
- $title = $this->getRandomTitle();
-
- if( is_null( $title ) ) {
- $this->setHeaders();
- $wgOut->addWikiMsg( strtolower( $this->mName ) . '-nopages' );
- return;
- }
-
- $query = $this->isRedirect() ? 'redirect=no' : '';
- $wgOut->redirect( $title->getFullUrl( $query ) );
- }
-
-
- /**
- * Choose a random title.
- * @return Title object (or null if nothing to choose from)
- */
- public function getRandomTitle() {
- $randstr = wfRandom();
- $row = $this->selectRandomPageFromDB( $randstr );
-
- /* If we picked a value that was higher than any in
- * the DB, wrap around and select the page with the
- * lowest value instead! One might think this would
- * skew the distribution, but in fact it won't cause
- * any more bias than what the page_random scheme
- * causes anyway. Trust me, I'm a mathematician. :)
- */
- if( !$row )
- $row = $this->selectRandomPageFromDB( "0" );
-
- if( $row )
- return Title::makeTitleSafe( $this->namespace, $row->page_title );
- else
- return null;
- }
-
- private function selectRandomPageFromDB( $randstr ) {
- global $wgExtraRandompageSQL;
- $fname = 'RandomPage::selectRandomPageFromDB';
-
- $dbr = wfGetDB( DB_SLAVE );
-
- $use_index = $dbr->useIndexClause( 'page_random' );
- $page = $dbr->tableName( 'page' );
-
- $ns = (int) $this->namespace;
- $redirect = $this->isRedirect() ? 1 : 0;
-
- $extra = $wgExtraRandompageSQL ? "AND ($wgExtraRandompageSQL)" : "";
- $sql = "SELECT page_title
- FROM $page $use_index
- WHERE page_namespace = $ns
- AND page_is_redirect = $redirect
- AND page_random >= $randstr
- $extra
- ORDER BY page_random";
-
- $sql = $dbr->limitResult( $sql, 1, 0 );
- $res = $dbr->query( $sql, $fname );
- return $dbr->fetchObject( $res );
- }
-}
-
-