From: Victor Vasiliev <vasilievvv@users.mediawiki.org>
Date: Sat, 12 Apr 2008 18:06:57 +0000 (+0000)
Subject: * Invalidate cache of pages that includes images via redirects on upload
X-Git-Tag: 1.31.0-rc.0~48409
X-Git-Url: http://git.cyclocoop.org/%28?a=commitdiff_plain;h=ffe44db3e3d89aac066be104fca2cc74fdac4cb3;p=lhc%2Fweb%2Fwiklou.git

* Invalidate cache of pages that includes images via redirects on upload
---

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 779ecc8d86..8b35a6ca8f 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -73,6 +73,7 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
 * (bug 6934) Allow separated inclusions, links, redirects on whatlinkshere
 * Add a footer (emailuser-footer) to the bottom of messages sent with
 Special:EmailUser
+* Cache image redirects
 
 === Bug fixes in 1.13 ===
 
@@ -174,6 +175,7 @@ Special:EmailUser
 * (bug 13684) Links in Special:ListGroupRights should be in content language
 * (bug 13690) Fix PHP notice on accessing some URLs
 * Hide (undo) link if user isn't able to edit page
+* Invalidate cache of pages that includes images via redirects on upload
 
 === API changes in 1.13 ===
 
diff --git a/includes/Title.php b/includes/Title.php
index 73b7ea53fb..6792b3638f 100644
--- a/includes/Title.php
+++ b/includes/Title.php
@@ -3056,5 +3056,15 @@ class Title {
 	public function isContentPage() {
 		return MWNamespace::isContent( $this->getNamespace() );
 	}
-	
+
+	public function getRedirectsHere() {
+		$redirs = array();
+		$dbr = wfGetDB( DB_SLAVE );
+		$result = $dbr->query( "SELECT page_title, page_namespace FROM page JOIN redirect ON page_id = rd_from WHERE rd_title = "
+			. $dbr->addQuotes( $this->getDBKey() ) . " AND rd_namespace = " . $this->getNamespace(), __METHOD__ );
+		while( $row = $dbr->fetchObject( $result ) ) {
+			$redirs[] = self::newFromRow( $row );
+		}
+		return $redirs;
+	}
 }
diff --git a/includes/filerepo/LocalFile.php b/includes/filerepo/LocalFile.php
index f3afc74205..123a242d94 100644
--- a/includes/filerepo/LocalFile.php
+++ b/includes/filerepo/LocalFile.php
@@ -862,6 +862,12 @@ class LocalFile extends File
 		# Invalidate cache for all pages using this file
 		$update = new HTMLCacheUpdate( $this->getTitle(), 'imagelinks' );
 		$update->doUpdate();
+		# Invalidate cache for all pages that redirects on this page
+		$redirs = $this->getTitle()->getRedirectsHere();
+		foreach( $redirs as $redir ) {
+			$update = new HTMLCacheUpdate( $redir, 'imagelinks' );
+			$update->doUpdate();
+		}
 
 		return true;
 	}