changes: Remove unused code from ChangesFeed.php

[lhc/web/wiklou.git] / includes / changes / ChangesFeed.php

diff --git a/includes/changes/ChangesFeed.php b/includes/changes/ChangesFeed.php
index 50c6826..a71dcbb 100644 (file)
--- a/includes/changes/ChangesFeed.php
+++ b/includes/changes/ChangesFeed.php
@@ -20,11 +20,8 @@
  * @file
  */
 
-use Wikimedia\Rdbms\ResultWrapper;
-use MediaWiki\MediaWikiServices;
-
 /**
- * Feed to Special:RecentChanges and Special:RecentChangesLiked
+ * Feed to Special:RecentChanges and Special:RecentChangesLinked.
  *
  * @ingroup Feed
  */
@@ -65,119 +62,6 @@ class ChangesFeed {
                        $feedTitle, htmlspecialchars( $description ), $url );
        }
 
-       /**
-        * Generates feed's content
-        *
-        * @param ChannelFeed $feed ChannelFeed subclass object (generally the one returned
-        *   by getFeedObject())
-        * @param ResultWrapper $rows ResultWrapper object with rows in recentchanges table
-        * @param int $lastmod Timestamp of the last item in the recentchanges table (only
-        *   used for the cache key)
-        * @param FormOptions $opts As in SpecialRecentChanges::getDefaultOptions()
-        * @return null|bool True or null
-        */
-       public function execute( $feed, $rows, $lastmod, $opts ) {
-               global $wgLang, $wgRenderHashAppend;
-
-               if ( !FeedUtils::checkFeedOutput( $this->format ) ) {
-                       return null;
-               }
-
-               $cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
-               $optionsHash = md5( serialize( $opts->getAllValues() ) ) . $wgRenderHashAppend;
-               $timekey = $cache->makeKey(
-                       $this->type, $this->format, $wgLang->getCode(), $optionsHash, 'timestamp' );
-               $key = $cache->makeKey( $this->type, $this->format, $wgLang->getCode(), $optionsHash );
-
-               FeedUtils::checkPurge( $timekey, $key );
-
-               /**
-                * Bumping around loading up diffs can be pretty slow, so where
-                * possible we want to cache the feed output so the next visitor
-                * gets it quick too.
-                */
-               $cachedFeed = $this->loadFromCache( $lastmod, $timekey, $key );
-               if ( is_string( $cachedFeed ) ) {
-                       wfDebug( "RC: Outputting cached feed\n" );
-                       $feed->httpHeaders();
-                       echo $cachedFeed;
-               } else {
-                       wfDebug( "RC: rendering new feed and caching it\n" );
-                       ob_start();
-                       self::generateFeed( $rows, $feed );
-                       $cachedFeed = ob_get_contents();
-                       ob_end_flush();
-                       $this->saveToCache( $cachedFeed, $timekey, $key );
-               }
-               return true;
-       }
-
-       /**
-        * Save to feed result to cache
-        *
-        * @param string $feed Feed's content
-        * @param string $timekey Memcached key of the last modification
-        * @param string $key Memcached key of the content
-        */
-       public function saveToCache( $feed, $timekey, $key ) {
-               $cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
-               $cache->set( $key, $feed, $cache::TTL_DAY );
-               $cache->set( $timekey, wfTimestamp( TS_MW ), $cache::TTL_DAY );
-       }
-
-       /**
-        * Try to load the feed result from cache
-        *
-        * @param int $lastmod Timestamp of the last item in the recentchanges table
-        * @param string $timekey Memcached key of the last modification
-        * @param string $key Memcached key of the content
-        * @return string|bool Feed's content on cache hit or false on cache miss
-        */
-       public function loadFromCache( $lastmod, $timekey, $key ) {
-               global $wgFeedCacheTimeout, $wgOut;
-
-               $cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
-               $feedLastmod = $cache->get( $timekey );
-
-               if ( ( $wgFeedCacheTimeout > 0 ) && $feedLastmod ) {
-                       /**
-                        * If the cached feed was rendered very recently, we may
-                        * go ahead and use it even if there have been edits made
-                        * since it was rendered. This keeps a swarm of requests
-                        * from being too bad on a super-frequently edited wiki.
-                        */
-
-                       $feedAge = time() - wfTimestamp( TS_UNIX, $feedLastmod );
-                       $feedLastmodUnix = wfTimestamp( TS_UNIX, $feedLastmod );
-                       $lastmodUnix = wfTimestamp( TS_UNIX, $lastmod );
-
-                       if ( $feedAge < $wgFeedCacheTimeout || $feedLastmodUnix > $lastmodUnix ) {
-                               wfDebug( "RC: loading feed from cache ($key; $feedLastmod; $lastmod)...\n" );
-                               if ( $feedLastmodUnix < $lastmodUnix ) {
-                                       $wgOut->setLastModified( $feedLastmod ); // T23916
-                               }
-                               return $cache->get( $key );
-                       } else {
-                               wfDebug( "RC: cached feed timestamp check failed ($feedLastmod; $lastmod)\n" );
-                       }
-               }
-               return false;
-       }
-
-       /**
-        * Generate the feed items given a row from the database, printing the feed.
-        * @param object $rows IDatabase resource with recentchanges rows
-        * @param ChannelFeed &$feed
-        */
-       public static function generateFeed( $rows, &$feed ) {
-               $items = self::buildItems( $rows );
-               $feed->outHeader();
-               foreach ( $items as $item ) {
-                       $feed->outItem( $item );
-               }
-               $feed->outFooter();
-       }
-
        /**
         * Generate the feed items given a row from the database.
         * @param object $rows IDatabase resource with recentchanges rows