From 3ef567330b0808ad3e5818871bb2736d70384ba9 Mon Sep 17 00:00:00 2001
From: Michael J Rubinsky <mrubinsk@horde.org>
Date: Sun, 27 Sep 2015 19:45:59 -0400
Subject: [PATCH] Request: 14118  Send CANCEL iTip when attendee is removed
 from meeting.

---
 kronolith/lib/Ajax/Application/Handler.php | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/kronolith/lib/Ajax/Application/Handler.php b/kronolith/lib/Ajax/Application/Handler.php
index 2741e7ada23..16a81b7ef07 100644
--- a/kronolith/lib/Ajax/Application/Handler.php
+++ b/kronolith/lib/Ajax/Application/Handler.php
@@ -309,7 +309,9 @@ public function saveEvent()
             }
         } else {
             try {
+                $old_attendees = $event->attendees;
                 $event->readForm();
+                $removed_attendees = array_diff(array_keys($old_attendees), array_keys($event->attendees));
                 $result = $this->_saveEvent($event);
             } catch (Exception $e) {
                 $GLOBALS['notification']->push($e);
@@ -321,6 +323,13 @@ public function saveEvent()
             $type = $event->status == Kronolith::STATUS_CANCELLED ? Kronolith::ITIP_CANCEL : Kronolith::ITIP_REQUEST;
             Kronolith::sendITipNotifications($event, $GLOBALS['notification'], $type);
         }
+        if (!empty($removed_attendees)) {
+            foreach ($removed_attendees as $email) {
+                $to_cancel[$email] = $old_attendees[$email];
+            }
+            $event->attendees = $to_cancel;
+            Kronolith::sendITipNotifications($event, $GLOBALS['notification'], Kronolith::ITIP_CANCEL);
+        }
         Kronolith::notifyOfResourceRejection($event);
 
         return $result;