From 5316939bcf2eb2ba8bf30d69aa93a902d8350b86 Mon Sep 17 00:00:00 2001
From: moodler <moodler>
Date: Fri, 23 Jan 2004 13:21:25 +0000
Subject: [PATCH] Prevent people from subscribing to group forums is they
 aren't in a group

---
 mod/forum/subscribe.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/mod/forum/subscribe.php b/mod/forum/subscribe.php
index 0802b37c09..c10a3f3c4c 100644
--- a/mod/forum/subscribe.php
+++ b/mod/forum/subscribe.php
@@ -44,6 +44,14 @@
         }
     }
 
+    if ($cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
+        if (groupmode($course, $cm) and !isteacheredit($course->id)) {   // Make sure user is allowed
+            if (! mygroupid($course->id)) {
+                error("Sorry, but you must be a group member to subscribe.");
+            }
+        }
+    }
+
     $returnto = forum_go_back_to("index.php?id=$course->id");
 
     if ($force and isteacher($course->id)) {
-- 
2.39.5