<?php
+/**
+ * Feed for list of changes.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
/**
* Feed to Special:RecentChanges and Special:RecentChangesLiked
*
* @param $title String: feed's title
* @param $description String: feed's description
+ * @param $url String: url of origin page
* @return ChannelFeed subclass or false on failure
*/
- public function getFeedObject( $title, $description ) {
- global $wgSitename, $wgContLanguageCode, $wgFeedClasses, $wgTitle;
- $feedTitle = "$wgSitename - {$title} [$wgContLanguageCode]";
- if( !isset($wgFeedClasses[$this->format] ) )
+ public function getFeedObject( $title, $description, $url ) {
+ global $wgSitename, $wgLanguageCode, $wgFeedClasses;
+
+ if ( !isset( $wgFeedClasses[$this->format] ) ) {
return false;
+ }
+
+ if( !array_key_exists( $this->format, $wgFeedClasses ) ) {
+ // falling back to atom
+ $this->format = 'atom';
+ }
+
+ $feedTitle = "$wgSitename - {$title} [$wgLanguageCode]";
return new $wgFeedClasses[$this->format](
- $feedTitle, htmlspecialchars( $description ), $wgTitle->getFullUrl() );
+ $feedTitle, htmlspecialchars( $description ), $url );
}
/**
* @param $rows ResultWrapper object with rows in recentchanges table
* @param $lastmod Integer: timestamp of the last item in the recentchanges table (only used for the cache key)
* @param $opts FormOptions as in SpecialRecentChanges::getDefaultOptions()
- * @return null or true
+ * @return null|bool True or null
*/
public function execute( $feed, $rows, $lastmod, $opts ) {
- global $messageMemc, $wgFeedCacheTimeout;
- global $wgSitename, $wgLang, $wgRenderHashAppend;
+ global $wgLang, $wgRenderHashAppend;
if ( !FeedUtils::checkFeedOutput( $this->format ) ) {
- return;
+ return null;
}
$optionsHash = md5( serialize( $opts->getAllValues() ) ) . $wgRenderHashAppend;
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.
- */
+ /**
+ * 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" );
* @param $lastmod Integer: timestamp of the last item in the recentchanges table
* @param $timekey String: memcached key of the last modification
* @param $key String: memcached key of the content
- * @return feed's content on cache hit or false on cache miss
+ * @return string|bool feed's content on cache hit or false on cache miss
*/
public function loadFromCache( $lastmod, $timekey, $key ) {
- global $wgFeedCacheTimeout, $messageMemc;
+ global $wgFeedCacheTimeout, $wgOut, $messageMemc;
+
$feedLastmod = $messageMemc->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.
- */
+ /**
+ * 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 );
if( $feedAge < $wgFeedCacheTimeout || $feedLastmodUnix > $lastmodUnix) {
wfDebug( "RC: loading feed from cache ($key; $feedLastmod; $lastmod)...\n" );
+ if ( $feedLastmodUnix < $lastmodUnix ) {
+ $wgOut->setLastModified( $feedLastmod ); // bug 21916
+ }
return $messageMemc->get( $key );
} else {
wfDebug( "RC: cached feed timestamp check failed ($feedLastmod; $lastmod)\n" );
$n = 0;
foreach( $rows as $obj ) {
if( $n > 0 &&
+ $obj->rc_type == RC_EDIT &&
$obj->rc_namespace >= 0 &&
$obj->rc_cur_id == $sorted[$n-1]->rc_cur_id &&
$obj->rc_user_text == $sorted[$n-1]->rc_user_text ) {
foreach( $sorted as $obj ) {
$title = Title::makeTitle( $obj->rc_namespace, $obj->rc_title );
- $talkpage = $title->getTalkPage();
+ $talkpage = MWNamespace::canTalk( $obj->rc_namespace ) ? $title->getTalkPage()->getFullUrl() : '';
// Skip items with deleted content (avoids partially complete/inconsistent output)
if( $obj->rc_deleted ) continue;
+
+ if ( $obj->rc_this_oldid ) {
+ $url = $title->getFullURL(
+ 'diff=' . $obj->rc_this_oldid .
+ '&oldid=' . $obj->rc_last_oldid
+ );
+ } else {
+ // log entry or something like that.
+ $url = $title->getFullURL();
+ }
+
$item = new FeedItem(
$title->getPrefixedText(),
FeedUtils::formatDiff( $obj ),
- $obj->rc_this_oldid ? $title->getFullURL( 'diff=' . $obj->rc_this_oldid . '&oldid=prev' ) : $title->getFullURL(),
+ $url,
$obj->rc_timestamp,
- ($obj->rc_deleted & Revision::DELETED_USER) ? wfMsgHtml('rev-deleted-user') : $obj->rc_user_text,
- $talkpage->getFullURL()
+ ( $obj->rc_deleted & Revision::DELETED_USER ) ? wfMessage( 'rev-deleted-user' )->escaped() : $obj->rc_user_text,
+ $talkpage
);
$feed->outItem( $item );
}