From: Kunal Mehta <legoktm@gmail.com>
Date: Fri, 9 Aug 2013 04:59:27 +0000 (+0800)
Subject: Add a function that returns a list of categories the page is a member of
X-Git-Tag: 1.31.0-rc.0~18968^2
X-Git-Url: http://git.cyclocoop.org/%28?a=commitdiff_plain;h=5eb1d775bd6bd01e164306c402dad1bdf9e22831;p=lhc%2Fweb%2Fwiklou.git

Add a function that returns a list of categories the page is a member of

Main reason is so internal code does not have to recreate the database query
each time. This will also be useful for extensions.

Change-Id: Ia80c051ff0691087564710f2864ed617d5b9ee96
---

diff --git a/includes/WikiPage.php b/includes/WikiPage.php
index 9d61abc754..ce26fb9c9b 100644
--- a/includes/WikiPage.php
+++ b/includes/WikiPage.php
@@ -2978,6 +2978,29 @@ class WikiPage implements Page, IDBAccessObject {
 
 	/**#@-*/
 
+	/**
+	 * Returns a list of categories this page is a member of.
+	 * Results will include hidden categories
+	 *
+	 * @return TitleArray
+	 */
+	public function getCategories() {
+		$id = $this->getId();
+		if ( $id == 0 ) {
+			return TitleArray::newFromResult( new FakeResultWrapper( array() ) );
+		}
+
+		$dbr = wfGetDB( DB_SLAVE );
+		$res = $dbr->select( 'categorylinks',
+			array( 'cl_to AS page_title, ' . NS_CATEGORY . ' AS page_namespace' ),
+			// Have to do that since DatabaseBase::fieldNamesWithAlias treats numeric indexes
+			// as not being aliases, and NS_CATEGORY is numeric
+			array( 'cl_from' => $id ),
+			__METHOD__ );
+
+		return TitleArray::newFromResult( $res );
+	}
+
 	/**
 	 * Returns a list of hidden categories this page is a member of.
 	 * Uses the page_props and categorylinks tables.