[evolution-ews] Bug #681741 - Meeting cancellation doesn't remove event from calendar

[Fabiano Fidêncio <ffidencio src gnome org>]

commit f0cb2ed0fa4e6279de08484d0ff9bedd0daca2d5
Author: Fabiano Fidêncio <fidencio redhat com>
Date:   Mon Jul 29 10:21:14 2013 +0200

    Bug #681741 - Meeting cancellation doesn't remove event from calendar

 src/calendar/e-cal-backend-ews.c |   17 +++++++++++++----
 1 files changed, 13 insertions(+), 4 deletions(-)
---
diff --git a/src/calendar/e-cal-backend-ews.c b/src/calendar/e-cal-backend-ews.c
index e1f479f..e644bac 100644
--- a/src/calendar/e-cal-backend-ews.c
+++ b/src/calendar/e-cal-backend-ews.c
@@ -2731,7 +2731,7 @@ e_cal_backend_ews_receive_objects (ECalBackend *backend,
                const gchar *response_type;
                gchar *item_id = NULL, *change_key = NULL, *mail_id = NULL;
                GSList *ids = NULL, *l;
-               icalproperty *recurrence_id, *transp, *summary;
+               icalproperty *transp, *summary;
                gchar **split_subject;
                gint pass = 0;
 
@@ -2839,10 +2839,19 @@ e_cal_backend_ews_receive_objects (ECalBackend *backend,
                                /*We have to run sync before any other operations */
                                ews_start_sync (cbews);
                                break;
-                       case ICAL_METHOD_CANCEL:
-                               recurrence_id = icalcomponent_get_first_property (subcomp, 
ICAL_RECURRENCEID_PROPERTY);
-                               e_cal_backend_ews_remove_object (backend, cal, 0, cancellable, item_id, 
icalproperty_get_value_as_string (recurrence_id), E_CAL_OBJ_MOD_ALL);
+                       case ICAL_METHOD_CANCEL: {
+                               const gchar *uid = NULL;
+                               gchar *rid = NULL;
+                               ECalObjModType mod;
+
+                               e_cal_component_get_uid (comp, &uid);
+                               rid = e_cal_component_get_recurid_as_string (comp);
+                               mod = e_cal_component_is_instance (comp) ? E_CAL_OBJ_MOD_THIS : 
E_CAL_OBJ_MOD_ALL;
+
+                               e_cal_backend_ews_remove_object (backend, cal, 0, cancellable, uid, rid, mod);
+                               g_free (rid);
                                break;
+                       }
                        case ICAL_METHOD_COUNTER:
                                /*this is a new time proposal mail from one of the attendees
                                 * if we decline the proposal, nothing have to be done