Merge "Begin 1.27 development cycle"

[lhc/web/wiklou.git] / includes / actions / InfoAction.php

diff --git a/includes/actions/InfoAction.php b/includes/actions/InfoAction.php
index 0c34ddb..d9324e7 100644 (file)
--- a/includes/actions/InfoAction.php
+++ b/includes/actions/InfoAction.php
@@ -62,13 +62,17 @@ class InfoAction extends FormlessAction {
         *
         * @since 1.22
         * @param Title $title Title to clear cache for
+        * @param int|null $revid Revision id to clear
         */
-       public static function invalidateCache( Title $title ) {
+       public static function invalidateCache( Title $title, $revid = null ) {
                $cache = ObjectCache::getMainWANInstance();
 
-               $revision = Revision::newFromTitle( $title, 0, Revision::READ_LATEST );
-               if ( $revision !== null ) {
-                       $key = wfMemcKey( 'infoaction', sha1( $title->getPrefixedText() ), $revision->getId() );
+               if ( !$revid ) {
+                       $revision = Revision::newFromTitle( $title, 0, Revision::READ_LATEST );
+                       $revid = $revision ? $revision->getId() : null;
+               }
+               if ( $revid !== null ) {
+                       $key = wfMemcKey( 'infoaction', sha1( $title->getPrefixedText() ), $revid );
                        $cache->delete( $key );
                }
        }
@@ -325,8 +329,27 @@ class InfoAction extends FormlessAction {
                ) {
                        // Number of page watchers
                        $pageInfo['header-basic'][] = array(
-                               $this->msg( 'pageinfo-watchers' ), $lang->formatNum( $pageCounts['watchers'] )
+                               $this->msg( 'pageinfo-watchers' ),
+                               $lang->formatNum( $pageCounts['watchers'] )
                        );
+                       if (
+                               $config->get( 'ShowUpdatedMarker' ) &&
+                               isset( $pageCounts['visitingWatchers'] )
+                       ) {
+                               $minToDisclose = $config->get( 'UnwatchedPageSecret' );
+                               if ( $pageCounts['visitingWatchers'] > $minToDisclose ||
+                                       $user->isAllowed( 'unwatchedpages' ) ) {
+                                       $pageInfo['header-basic'][] = array(
+                                               $this->msg( 'pageinfo-visiting-watchers' ),
+                                               $lang->formatNum( $pageCounts['visitingWatchers'] )
+                                       );
+                               } else {
+                                       $pageInfo['header-basic'][] = array(
+                                               $this->msg( 'pageinfo-visiting-watchers' ),
+                                               $this->msg( 'pageinfo-few-visiting-watchers' )
+                                       );
+                               }
+                       }
                } elseif ( $unwatchedPageThreshold !== false ) {
                        $pageInfo['header-basic'][] = array(
                                $this->msg( 'pageinfo-watchers' ),
@@ -532,9 +555,11 @@ class InfoAction extends FormlessAction {
                );
 
                // Total number of distinct authors
-               $pageInfo['header-edits'][] = array(
-                       $this->msg( 'pageinfo-authors' ), $lang->formatNum( $pageCounts['authors'] )
-               );
+               if ( $pageCounts['authors'] > 0 ) {
+                       $pageInfo['header-edits'][] = array(
+                               $this->msg( 'pageinfo-authors' ), $lang->formatNum( $pageCounts['authors'] )
+                       );
+               }
 
                // Recent number of edits (within past 30 days)
                $pageInfo['header-edits'][] = array(
@@ -656,11 +681,11 @@ class InfoAction extends FormlessAction {
                $id = $title->getArticleID();
                $config = $this->context->getConfig();
 
-               $dbr = wfGetDB( DB_SLAVE );
+               $dbrWatchlist = wfGetDB( DB_SLAVE, 'watchlist' );
                $result = array();
 
                // Number of page watchers
-               $watchers = (int)$dbr->selectField(
+               $watchers = (int)$dbrWatchlist->selectField(
                        'watchlist',
                        'COUNT(*)',
                        array(
@@ -671,23 +696,47 @@ class InfoAction extends FormlessAction {
                );
                $result['watchers'] = $watchers;
 
+               if ( $config->get( 'ShowUpdatedMarker' ) ) {
+                       // Threshold: last visited about 26 weeks before latest edit
+                       $updated = wfTimestamp( TS_UNIX, $this->page->getTimestamp() );
+                       $age = $config->get( 'WatchersMaxAge' );
+                       $threshold = $dbrWatchlist->timestamp( $updated - $age );
+                       // Number of page watchers who also visited a "recent" edit
+                       $visitingWatchers = (int)$dbrWatchlist->selectField(
+                               'watchlist',
+                               'COUNT(*)',
+                               array(
+                                       'wl_namespace' => $title->getNamespace(),
+                                       'wl_title' => $title->getDBkey(),
+                                       'wl_notificationtimestamp >= ' . $dbrWatchlist->addQuotes( $threshold ) .
+                                       ' OR wl_notificationtimestamp IS NULL'
+                               ),
+                               __METHOD__
+                       );
+                       $result['visitingWatchers'] = $visitingWatchers;
+               }
+
+               $dbr = wfGetDB( DB_SLAVE );
                // Total number of edits
                $edits = (int)$dbr->selectField(
                        'revision',
-                       'COUNT(rev_page)',
+                       'COUNT(*)',
                        array( 'rev_page' => $id ),
                        __METHOD__
                );
                $result['edits'] = $edits;
 
                // Total number of distinct authors
-               $authors = (int)$dbr->selectField(
-                       'revision',
-                       'COUNT(DISTINCT rev_user_text)',
-                       array( 'rev_page' => $id ),
-                       __METHOD__
-               );
-               $result['authors'] = $authors;
+               if ( $config->get( 'MiserMode' ) ) {
+                       $result['authors'] = 0;
+               } else {
+                       $result['authors'] = (int)$dbr->selectField(
+                               'revision',
+                               'COUNT(DISTINCT rev_user_text)',
+                               array( 'rev_page' => $id ),
+                               __METHOD__
+                       );
+               }
 
                // "Recent" threshold defined by RCMaxAge setting
                $threshold = $dbr->timestamp( time() - $config->get( 'RCMaxAge' ) );
@@ -705,7 +754,7 @@ class InfoAction extends FormlessAction {
                $result['recent_edits'] = $edits;
 
                // Recent number of distinct authors
-               $authors = (int)$dbr->selectField(
+               $result['recent_authors'] = (int)$dbr->selectField(
                        'revision',
                        'COUNT(DISTINCT rev_user_text)',
                        array(
@@ -714,7 +763,6 @@ class InfoAction extends FormlessAction {
                        ),
                        __METHOD__
                );
-               $result['recent_authors'] = $authors;
 
                // Subpages (if enabled)
                if ( MWNamespace::hasSubpages( $title->getNamespace() ) ) {