From b134f6a71e276cd892ab532d91960e77c7be1e4e Mon Sep 17 00:00:00 2001
From: vyshane <vyshane>
Date: Wed, 7 Jun 2006 08:19:34 +0000
Subject: [PATCH] Merged fix from 1.6 for Bug #5131 - RSS Feeds and Moving
 Discussions.

---
 mod/forum/discuss.php | 20 +++++++++++++++++++-
 mod/forum/rsslib.php  | 14 ++++++++++++--
 2 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/mod/forum/discuss.php b/mod/forum/discuss.php
index d0b83b259a..5287edd0fd 100644
--- a/mod/forum/discuss.php
+++ b/mod/forum/discuss.php
@@ -57,8 +57,26 @@
             if (!forum_move_attachments($discussion, $move)) {
                 notify("Errors occurred while moving attachment directories - check your file permissions");
             }
-            set_field("forum_discussions", "forum", $forum->id, "id", $discussion->id);
+            
+            if (!$fromforum = get_record("forum", "id", $discussion->forum)) {
+                notify('Bad forum ID stored in this discussion');
+            }
             $discussion->forum = $forum->id;
+            $discussion->timemodified = time();
+            
+            if (update_record('forum_discussions', $discussion)) {
+                // Update RSS feeds for both from and to forums.
+                require_once('rsslib.php');
+                require_once($CFG->libdir.'/rsslib.php');
+                
+                // Delete the RSS files for the 2 forums because we want to force
+                // the regeneration of the feeds since the discussions have been
+                // moved.
+                if (!forum_rss_delete_file($forum) || !forum_rss_delete_file($fromforum)) {
+                    error('Could not purge the cached RSS feeds for the source and/or destination forums');
+                }
+            }
+            
             if ($cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
                 add_to_log($course->id, "forum", "move discussion", "discuss.php?d=$discussion->id", "$discussion->id",
                            $cm->id);
diff --git a/mod/forum/rsslib.php b/mod/forum/rsslib.php
index 3328e7d47a..fa3b26fd97 100644
--- a/mod/forum/rsslib.php
+++ b/mod/forum/rsslib.php
@@ -78,6 +78,16 @@
         }
         return $status;
     }
+    
+    
+    // Given a forum object, deletes the RSS file
+    function forum_rss_delete_file($forum) {
+        global $CFG;
+        //return unlink("{$CFG->dataroot}/rss/{$modname}/{$forum->id}.xml");
+        $rssfile = rss_file_name('forum', $forum);
+        return unlink($rssfile);
+    }
+    
 
     function forum_rss_newstuff($forum, $time) {
     // If there is new stuff in the forum since $time then this returns
@@ -158,7 +168,7 @@
         $items = array();
 
         if ($newsince) {
-            $newsince = " AND p.modified > '$newsince'";
+            $newsince = " AND (p.modified > '$newsince' OR d.timemodified > '$newsince')";
         } else {
             $newsince = "";
         }
@@ -218,7 +228,7 @@
         $items = array();
 
         if ($newsince) {
-            $newsince = " AND p.modified > '$newsince'";
+            $newsince = " AND (p.modified > '$newsince' OR d.timemodified > '$newsince')";
         } else {
             $newsince = "";
         }
-- 
2.39.5