From 8f3d9991866a3c1816f4d4cfe4d782ae77d05bb1 Mon Sep 17 00:00:00 2001
From: Bryan Tong Minh <btongminh@users.mediawiki.org>
Date: Thu, 8 May 2008 21:53:39 +0000
Subject: [PATCH] Show pages that redirect to this image on ImagePage

---
 includes/ImagePage.php            | 35 +++++++++++++++++++++++++++++++
 languages/messages/MessagesEn.php |  1 +
 2 files changed, 36 insertions(+)

diff --git a/includes/ImagePage.php b/includes/ImagePage.php
index 887f2dc2f8..bbc1745c33 100644
--- a/includes/ImagePage.php
+++ b/includes/ImagePage.php
@@ -91,6 +91,7 @@ class ImagePage extends Article {
 		$this->closeShowImage();
 		$this->imageHistory();
 		$this->imageLinks();
+		if ( $this->img->isLocal() ) $this->imageRedirects();
 
 		if ( $showmeta ) {
 			global $wgStylePath, $wgStyleVersion;
@@ -540,6 +541,40 @@ EOT
 		}
 		$wgOut->addHTML( "</ul>\n" );
 	}
+	
+	function imageRedirects() 
+	{
+		global $wgUser, $wgOut;
+		
+		$dbr = wfGetDB( DB_SLAVE );
+		$res = $dbr->select(
+			array( 'redirect', 'page' ),
+			array( 'page_title' ),
+			array(
+				'rd_namespace' => NS_IMAGE,
+				'rd_title' => $this->mTitle->getDBkey(),
+				'page_namespace' => NS_IMAGE,
+				'rd_from = page_id'
+			)
+		);
+		
+
+		if ( 0 == $dbr->numRows( $res ) ) 
+			return;
+
+		$wgOut->addHTML( '<p>' . wfMsg( 'redirectstofile' ) .  "</p>\n<ul>" );
+
+		$sk = $wgUser->getSkin();
+		while ( $row = $dbr->fetchObject( $res ) ) {
+			$name = Title::makeTitle( NS_IMAGE, $row->page_title );
+			$link = $sk->makeKnownLinkObj( $name, "" );
+			wfDebug("Image redirect: {$row->page_title}\n");
+			$wgOut->addHTML( "<li>{$link}</li>\n" );
+		}
+		$wgOut->addHTML( "</ul>\n" );
+		
+		$res->free();
+	}
 
 	/**
 	 * Delete the file, or an earlier version of it
diff --git a/languages/messages/MessagesEn.php b/languages/messages/MessagesEn.php
index d11dcd9bb2..8198f81314 100644
--- a/languages/messages/MessagesEn.php
+++ b/languages/messages/MessagesEn.php
@@ -1710,6 +1710,7 @@ A click on a column header changes the sorting.',
 'imagelinks'                     => 'Links',
 'linkstoimage'                   => 'The following pages link to this file:',
 'nolinkstoimage'                 => 'There are no pages that link to this file.',
+'redirectstofile'                => 'The following files redirect to this file:',
 'sharedupload'                   => 'This file is a shared upload and may be used by other projects.',
 'shareduploadwiki'               => 'Please see the $1 for further information.',
 'shareduploadwiki-desc'          => 'The description on its $1 there is shown below.',
-- 
2.20.1