$days = $wgRequest->getInt( 'days', $defaultDays );
$hideminor = $wgRequest->getBool( 'hideminor', $wgUser->getOption( 'hideminor' ) ) ? 1 : 0;
- $from = $wgRequest->getText( 'from' );
- $hidebots = $wgRequest->getBool( 'hidebots', true ) ? 1 : 0;
- $hideliu = $wgRequest->getBool( 'hideliu', false ) ? 1 : 0;
- $hidepatrolled = $wgRequest->getBool( 'hidepatrolled', false ) ? 1 : 0;
-
list( $limit, $offset ) = wfCheckLimits( 100, 'rclimit' );
-
- # Get query parameters from path
- if( $par ) {
- $bits = preg_split( '/\s*,\s*/', trim( $par ) );
- if( in_array( 'hidebots', $bits ) ) $hidebots = 1;
- if( in_array( 'bots', $bits ) ) $hidebots = 0;
- if( in_array( 'hideminor', $bits ) ) $hideminor = 1;
- if( in_array( 'minor', $bits ) ) $hideminor = 0;
- if( in_array( 'hideliu', $bits) ) $hideliu = 1;
- if( in_array( 'hidepatrolled', $bits) ) $hidepatrolled = 1;
+
+ # As a feed, use limited settings only
+ if( $feedFormat ) {
+ $from = null;
+ $hidebots = 1;
+ $hideliu = 0;
+ $hidepatrolled = 0;
+ global $wgFeedLimit;
+ if( $limit > $wgFeedLimit ) {
+ $limit = $wgFeedLimit;
+ }
+ } else {
+ $from = $wgRequest->getText( 'from' );
+ $hidebots = $wgRequest->getBool( 'hidebots', true ) ? 1 : 0;
+ $hideliu = $wgRequest->getBool( 'hideliu', false ) ? 1 : 0;
+ $hidepatrolled = $wgRequest->getBool( 'hidepatrolled', false ) ? 1 : 0;
+
+ # Get query parameters from path
+ if( $par ) {
+ $bits = preg_split( '/\s*,\s*/', trim( $par ) );
+ if( in_array( 'hidebots', $bits ) ) $hidebots = 1;
+ if( in_array( 'bots', $bits ) ) $hidebots = 0;
+ if( in_array( 'hideminor', $bits ) ) $hideminor = 1;
+ if( in_array( 'minor', $bits ) ) $hideminor = 0;
+ if( in_array( 'hideliu', $bits) ) $hideliu = 1;
+ if( in_array( 'hidepatrolled', $bits) ) $hidepatrolled = 1;
+ }
}
# Get last modified date, for client caching
# Don't use this if we are using the patrol feature, patrol changes don't update the timestamp
- if ( !$wgUseRCPatrol ) {
- $lastmod = $dbr->selectField( 'recentchanges', 'MAX(rc_timestamp)', false, $fname );
+ $lastmod = $dbr->selectField( 'recentchanges', 'MAX(rc_timestamp)', false, $fname );
+ if ( $feedFormat || !$wgUseRCPatrol ) {
if( $lastmod && $wgOut->checkLastModified( $lastmod ) ){
# Client cache fresh and headers sent, nothing more to do.
return;
$wgOut->addHTML( $note."\n" );
- if( isset($wgFeedClasses[$feedFormat]) ) {
- $feed = new $wgFeedClasses[$feedFormat](
- $wgSitename . ' - ' . wfMsg( 'recentchanges' ) . ' [' . $wgContLanguageCode . ']',
- htmlspecialchars( wfMsg( 'recentchangestext' ) ),
- $wgTitle->getFullUrl() );
- $feed->outHeader();
-
- # Merge adjacent edits by one user
- $sorted = array();
- $n = 0;
- foreach( $rows as $obj ) {
- if( $n > 0 &&
- $obj->rc_namespace >= 0 &&
- $obj->rc_cur_id == $sorted[$n-1]->rc_cur_id &&
- $obj->rc_user_text == $sorted[$n-1]->rc_user_text ) {
- $sorted[$n-1]->rc_last_oldid = $obj->rc_last_oldid;
- } else {
- $sorted[$n] = $obj;
- $n++;
- }
- $first = false;
- }
-
- foreach( $sorted as $obj ) {
- $title = Title::makeTitle( $obj->rc_namespace, $obj->rc_title );
- $talkpage = $title->getTalkPage();
- $item = new FeedItem(
- $title->getPrefixedText(),
- rcFormatDiff( $obj ),
- $title->getFullURL(),
- $obj->rc_timestamp,
- $obj->rc_user_text,
- $talkpage->getFullURL()
- );
- $feed->outItem( $item );
- }
- $feed->outFooter();
+ if( $feedFormat ) {
+ rcOutputFeed( $rows, $feedFormat, $limit, $hideminor, $lastmod );
} else {
+ # Web output...
$wgOut->setSyndicated( true );
$list =& new ChangesList( $sk );
$s = $list->beginRecentChangesList();
}
}
+function rcOutputFeed( $rows, $feedFormat, $limit, $hideminor, $lastmod ) {
+ global $messageMemc, $wgDBname, $wgFeedCacheTimeout;
+ global $wgFeedClasses, $wgTitle, $wgSitename, $wgContLanguageCode;
+
+ if( !isset( $wgFeedClasses[$feedFormat] ) ) {
+ wfHttpError( 500, "Internal Server Error", "Unsupported feed type." );
+ return false;
+ }
+
+ $timekey = "$wgDBname:rcfeed:timestamp";
+ $key = "$wgDBname:rcfeed:$feedFormat:limit:$limit:minor:$hideminor";
+
+ $feedTitle = $wgSitename . ' - ' . wfMsgForContent( 'recentchanges' ) .
+ ' [' . $wgContLanguageCode . ']';
+ $feed = new $wgFeedClasses[$feedFormat](
+ $feedTitle,
+ htmlspecialchars( wfMsgForContent( 'recentchangestext' ) ),
+ $wgTitle->getFullUrl() );
+
+ /**
+ * 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 = false;
+ if( $feedLastmod = $messageMemc->get( $timekey ) ) {
+ /**
+ * 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( time() - wfTimestamp( TS_UNIX, $feedLastmod )
+ < $wgFeedCacheTimeout
+ || wfTimestamp( TS_UNIX, $feedLastmod )
+ > wfTimestamp( TS_UNIX, $lastmod ) ) {
+ wfDebug( "RC: loading feed from cache ($key; $feedLastmod; $lastmod)...\n" );
+ $cachedFeed = $messageMemc->get( $key );
+ } else {
+ wfDebug( "RC: cached feed timestamp check failed ($feedLastmod; $lastmod)\n" );
+ }
+ }
+ 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();
+ rcDoOutputFeed( $rows, $feed );
+ $cachedFeed = ob_get_contents();
+ ob_end_flush();
+
+ $expire = 3600 * 24; # One day
+ $messageMemc->set( $key, $cachedFeed );
+ $messageMemc->set( $timekey, wfTimestamp( TS_MW ), $expire );
+ }
+ return true;
+}
+
+function rcDoOutputFeed( $rows, &$feed ) {
+ global $wgSitename, $wgFeedClasses, $wgContLanguageCode;
+
+ $feed->outHeader();
+
+ # Merge adjacent edits by one user
+ $sorted = array();
+ $n = 0;
+ foreach( $rows as $obj ) {
+ if( $n > 0 &&
+ $obj->rc_namespace >= 0 &&
+ $obj->rc_cur_id == $sorted[$n-1]->rc_cur_id &&
+ $obj->rc_user_text == $sorted[$n-1]->rc_user_text ) {
+ $sorted[$n-1]->rc_last_oldid = $obj->rc_last_oldid;
+ } else {
+ $sorted[$n] = $obj;
+ $n++;
+ }
+ $first = false;
+ }
+
+ foreach( $sorted as $obj ) {
+ $title = Title::makeTitle( $obj->rc_namespace, $obj->rc_title );
+ $talkpage = $title->getTalkPage();
+ $item = new FeedItem(
+ $title->getPrefixedText(),
+ rcFormatDiff( $obj ),
+ $title->getFullURL(),
+ $obj->rc_timestamp,
+ $obj->rc_user_text,
+ $talkpage->getFullURL()
+ );
+ $feed->outItem( $item );
+ }
+ $feed->outFooter();
+}
+
/**
*
*/
}
/**
- *
+ * Used also by Recentchangeslinked
*/
function rcDayLimitLinks( $days, $limit, $page='Recentchanges', $more='', $doall = false, $minorLink = '',
$botLink = '', $liuLink = '', $patrLink = '' ) {
}
/**
- * Obsolete? Isn't called from anywhere and $mlink isn't defined
+ * Format a diff for the newsfeed
*/
-function rcLimitLinks( $page='Recentchanges', $more='', $doall = false ) {
- if ($more != '') $more .= '&';
- $cl = rcCountLink( 50, 0, $page, $more ) . ' | ' .
- rcCountLink( 100, 0, $page, $more ) . ' | ' .
- rcCountLink( 250, 0, $page, $more ) . ' | ' .
- rcCountLink( 500, 0, $page, $more ) .
- ( $doall ? ( ' | ' . rcCountLink( 0, $days, $page, $more ) ) : '' );
- $note = wfMsg( 'rclinks', $cl, '', $mlink );
- return $note;
-}
-
function rcFormatDiff( $row ) {
$fname = 'rcFormatDiff';
wfProfileIn( $fname );
array( 'old_flags', 'old_text' ),
array( 'old_id' => $row->rc_last_oldid ) );
$oldtext = Article::getRevisionText( $oldrow );
- $diffText = DifferenceEngine::getDiff( $oldtext, $newtext,
- wfMsg( 'revisionasof', $wgContLang->timeanddate( $row->rc_timestamp ) ),
- wfMsg( 'currentrev' ) );
+
+ global $wgFeedDiffCutoff;
+ if( strlen( $newtext ) > $wgFeedDiffCutoff ||
+ strlen( $oldtext ) > $wgFeedDiffCutoff ) {
+ $titleObj = Title::makeTitle( $row->rc_namespace, $row->rc_title );
+ $diffLink = $titleObj->escapeFullUrl(
+ 'diff=' . $row->rc_this_oldid .
+ '&oldid=' . $row->rc_last_oldid );
+ $diffText = '<a href="' .
+ $diffLink .
+ '">' .
+ htmlspecialchars( wfMsgForContent( 'difference' ) ) .
+ '</a>';
+ } else {
+ $diffText = DifferenceEngine::getDiff( $oldtext, $newtext,
+ wfMsg( 'revisionasof', $wgContLang->timeanddate( $row->rc_timestamp ) ),
+ wfMsg( 'currentrev' ) );
+ }
wfProfileOut( "$fname-dodiff" );
} else {
$diffText = '<p><b>' . wfMsg( 'newpage' ) . '</b></p>' .