Use AutoLoader to load classes:

[lhc/web/wiklou.git] / includes / PageHistory.php

diff --git a/includes/PageHistory.php b/includes/PageHistory.php
index 312056d..2c69a3e 100644 (file)
--- a/includes/PageHistory.php
+++ b/includes/PageHistory.php
@@ -21,14 +21,11 @@ define('DIR_NEXT', 1);
  */
 
 class PageHistory {
-       private
-               $lastdate,
-               $linesonpage,
-               $mArticle,
-               $mLatestId = null,
-               $mNotificationTimestamp,
-               $mSkin,
-               $mTitle ;
+       var $mArticle, $mTitle, $mSkin;
+       var $lastdate;
+       var $linesonpage;
+       var $mNotificationTimestamp;
+       var $mLatestId = null;
 
        /**
         * Construct a new PageHistory.
@@ -74,6 +71,13 @@ class PageHistory {
                $wgOut->setArticleFlag( false );
                $wgOut->setArticleRelated( true );
                $wgOut->setRobotpolicy( 'noindex,nofollow' );
+               $wgOut->setSyndicated( true );
+
+               $feedType = $wgRequest->getVal( 'feed' );
+               if( $feedType ) {
+                       wfProfileOut( $fname );
+                       return $this->feed( $feedType );
+               }
 
                /*
                 * Fail if article doesn't exist.
@@ -565,6 +569,89 @@ class PageHistory {
                                $this->mTitle, $text,
                                wfArrayToCGI( $query, array( 'action' => 'history' )));
        }
+       
+       
+       /**
+        * Output a subscription feed listing recent edits to this page.
+        * @param string $type
+        */
+       function feed( $type ) {
+               global $wgFeedClasses;
+               if( !isset( $wgFeedClasses[$type] ) ) {
+                       global $wgOut;
+                       $wgOut->addWikiText( wfMsg( 'feed-invalid' ) );
+                       return;
+               }
+               
+               $feed = new $wgFeedClasses[$type](
+                       $this->mTitle->getPrefixedText() . ' - ' .
+                               wfMsgForContent( 'history-feed-title' ),
+                       wfMsgForContent( 'history-feed-description' ),
+                       $this->mTitle->getFullUrl( 'action=history' ) );
+
+               $items = $this->fetchRevisions(10, 0, DIR_NEXT);
+               $feed->outHeader();
+               if( $items ) {
+                       foreach( $items as $row ) {
+                               $feed->outItem( $this->feedItem( $row ) );
+                       }
+               } else {
+                       $feed->outItem( $this->feedEmpty() );
+               }
+               $feed->outFooter();
+       }
+       
+       function feedEmpty() {
+               global $wgOut;
+               return new FeedItem(
+                       wfMsgForContent( 'nohistory' ),
+                       $wgOut->parse( wfMsgForContent( 'history-feed-empty' ) ),
+                       $this->mTitle->getFullUrl(),
+                       wfTimestamp( TS_MW ),
+                       '',
+                       $this->mTitle->getTalkPage()->getFullUrl() );
+       }
+       
+       /**
+        * Generate a FeedItem object from a given revision table row
+        * Borrows Recent Changes' feed generation functions for formatting;
+        * includes a diff to the previous revision (if any).
+        *
+        * @param $row
+        * @return FeedItem
+        */
+       function feedItem( $row ) {
+               $rev = new Revision( $row );
+               $text = rcFormatDiffRow( $this->mTitle,
+                       $this->mTitle->getPreviousRevisionID( $rev->getId() ),
+                       $rev->getId(),
+                       $rev->getTimestamp(),
+                       $rev->getComment() );
+               
+               if( $rev->getComment() == '' ) {
+                       global $wgContLang;
+                       $title = wfMsgForContent( 'history-feed-item-nocomment',
+                               $rev->getUserText(),
+                               $wgContLang->timeanddate( $rev->getTimestamp() ) );
+               } else {
+                       $title = $rev->getUserText() . ": " . $this->stripComment( $rev->getComment() );
+               }
+
+               return new FeedItem(
+                       $title,
+                       $text,
+                       $this->mTitle->getFullUrl( 'diff=' . $rev->getId() . '&oldid=prev' ),
+                       $rev->getTimestamp(),
+                       $rev->getUserText(),
+                       $this->mTitle->getTalkPage()->getFullUrl() );
+       }
+       
+       /**
+        * Quickie hack... strip out wikilinks to more legible form from the comment.
+        */
+       function stripComment( $text ) {
+               return preg_replace( '/\[\[([^]]*\|)?([^]]+)\]\]/', '\2', $text );
+       }
 
 
 }