changes: Remove unused FeedUtils::checkPurge method

This introduced for use by ChangesFeed::execute(), which in turn
has also been unused for many years – and removed in 6f4d15e385807.

Change-Id: I5ba7ea2b6ff86e4d210b77bf05971c183352424c

diff --git a/includes/FeedUtils.php b/includes/FeedUtils.php
index 0a88b23..59efc98 100644 (file)
--- a/includes/FeedUtils.php
+++ b/includes/FeedUtils.php
@@ -20,7 +20,6 @@
  * @file
  * @ingroup Feed
  */
-use MediaWiki\MediaWikiServices;
 
 /**
  * Helper functions for feeds
@@ -29,25 +28,6 @@ use MediaWiki\MediaWikiServices;
  */
 class FeedUtils {
 
-       /**
-        * Check whether feed's cache should be cleared; for changes feeds
-        * If the feed should be purged; $timekey and $key will be removed from cache
-        *
-        * @param string $timekey Cache key of the timestamp of the last item
-        * @param string $key Cache key of feed's content
-        */
-       public static function checkPurge( $timekey, $key ) {
-               global $wgRequest, $wgUser;
-
-               $purge = $wgRequest->getVal( 'action' ) === 'purge';
-               // Allow users with 'purge' right to clear feed caches
-               if ( $purge && $wgUser->isAllowed( 'purge' ) ) {
-                       $cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
-                       $cache->delete( $timekey, 1 );
-                       $cache->delete( $key, 1 );
-               }
-       }
-
        /**
         * Check whether feeds can be used and that $type is a valid feed type
         *