From 599b5a42d01f9c0f6b89fbf02e04ba2ffd05d91f Mon Sep 17 00:00:00 2001
From: Jack Phoenix <ashley@users.mediawiki.org>
Date: Mon, 30 Jun 2008 08:42:09 +0000
Subject: [PATCH] Two new hooks and one new global function from Wikia codebase

---
 RELEASE-NOTES                |  5 ++++-
 docs/hooks.txt               |  8 ++++++++
 includes/GlobalFunctions.php | 21 +++++++++++++++++++++
 includes/MessageCache.php    |  1 +
 includes/Skin.php            |  2 ++
 5 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 3ec30a5663..fecd299ccd 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -63,7 +63,7 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
 * $wgMessageCacheType defines now the type of cache used by the MessageCache class,
   previously it was choosen based on $wgParserCacheType
 * $wgExtensionAliasesFiles option to simplify adding aliases to special pages
-* provided by extensions, in a similar way to $wgExtensionMessagesFiles
+  provided by extensions, in a similar way to $wgExtensionMessagesFiles
 
 === New features in 1.13 ===
 
@@ -173,6 +173,9 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
 * Allow an $error message to be passed to ArticleDelete hook
 * Allow extensions to modify the user creation form by calling addInputItem();
 * Add meta generator tag to HTML output
+* Two new hooks, ExtendJSGlobalVars and wfMessageCacheReplace added
+* New global function, wfSharedTable - used to get the name of a table in the
+  shared database ($wgSharedDB)
  
 === Bug fixes in 1.13 ===
 
diff --git a/docs/hooks.txt b/docs/hooks.txt
index fe856a2805..5da995eecd 100644
--- a/docs/hooks.txt
+++ b/docs/hooks.txt
@@ -600,6 +600,10 @@ $from: address of sending user
 $subject: subject of the mail
 $text: text of the mail
 
+'ExtendJSGlobalVars': called right before Skin::makeVariablesScript is executed
+&$vars: variable (or multiple variables) to be added into the output
+		of Skin::makeVariablesScript
+
 'FetchChangesList': When fetching the ChangesList derivative for a particular user
 &$user: User the list is being fetched for
 &$skin: Skin object to be used with the list
@@ -1287,5 +1291,9 @@ $article: article object watched
 'wgQueryPages': called when initialising $wgQueryPages, use this to add new query pages to be updated with maintenance/updateSpecialPages.php
 $query: $wgQueryPages itself
 
+'wfMessageCacheReplace': called after sidebar memcached key has been deleted, use this to replace core messages by using an extension
+$title: title of the MediaWiki: message page
+$text: text of the MediaWiki: message page
+
 More hooks might be available but undocumented, you can execute
 ./maintenance/findhooks.php to find hidden one.
diff --git a/includes/GlobalFunctions.php b/includes/GlobalFunctions.php
index 25c3162513..fe82f1ee1e 100644
--- a/includes/GlobalFunctions.php
+++ b/includes/GlobalFunctions.php
@@ -2675,3 +2675,24 @@ function wfGenerateToken( $salt = '' ) {
 
  	return md5( mt_rand( 0, 0x7fffffff ) . $salt );
 }
+
+/**
+ * Create table name for shared database.
+ *
+ * @access public
+ * @author eloy@wikia
+ *
+ * @param string $table: table name
+ *
+ * @return string: table name with additional shared database
+ */
+function wfSharedTable( $table, $useExternal = true ) {
+	global $wgSharedDB, $wgExternalSharedDB;
+
+	if ($useExternal && !empty( $wgExternalSharedDB )) {
+		return "`$wgExternalSharedDB`.`$table`";
+	} elseif (!empty( $wgSharedDB )) {
+		return "`$wgSharedDB`.`$table`";
+	} else
+		return "`$table`";
+}
\ No newline at end of file
diff --git a/includes/MessageCache.php b/includes/MessageCache.php
index 9bd33214f0..9d9a057f8d 100644
--- a/includes/MessageCache.php
+++ b/includes/MessageCache.php
@@ -363,6 +363,7 @@ class MessageCache {
 		}
 		$this->unlock();
 		$parserMemc->delete(wfMemcKey('sidebar'));
+		wfRunHooks( 'wfMessageCacheReplace', array( $title, $text ) );
 		wfProfileOut( __METHOD__ );
 	}
 
diff --git a/includes/Skin.php b/includes/Skin.php
index 3f8c6b983f..15b7a1ffa6 100644
--- a/includes/Skin.php
+++ b/includes/Skin.php
@@ -362,6 +362,8 @@ class Skin extends Linker {
 			$vars['wgAjaxWatch'] = $msgs;
 		}
 
+		wfRunHooks('ExtendJSGlobalVars', array(&$vars));
+
 		return self::makeVariablesScript( $vars );
 	}
 
-- 
2.20.1