From e60598730d3d90ad5d5a93555a467ba7c2a5af14 Mon Sep 17 00:00:00 2001
From: Sam Hemelryk <sam@moodle.com>
Date: Wed, 14 Nov 2012 13:34:54 +1300
Subject: [PATCH] MDL-36276 calendar: subscription events are no longer
 editable

---
 calendar/lib.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/calendar/lib.php b/calendar/lib.php
index 698f40375b1ac..d815f82372884 100644
--- a/calendar/lib.php
+++ b/calendar/lib.php
@@ -1465,6 +1465,11 @@ function calendar_edit_event_allowed($event) {
         return false;
     }
 
+    // You cannot edit calendar subscription events presently.
+    if (!empty($event->subscriptionid)) {
+        return false;
+    }
+
     $sitecontext = context_system::instance();
     // if user has manageentries at site level, return true
     if (has_capability('moodle/calendar:manageentries', $sitecontext)) {