From 8e7b9bcaa0c8489fdb12335a340801666fb746c0 Mon Sep 17 00:00:00 2001
From: Francis Lachapelle <flachapelle@inverse.ca>
Date: Wed, 3 Dec 2008 23:08:37 +0000
Subject: [PATCH] Monotone-Parent: ddcadf6f0cf1825abb4b35c686982d748a8e22c0
 Monotone-Revision: 1f0eab41427c479dcc5668b7a84e8ade40eae514

Monotone-Author: flachapelle@inverse.ca
Monotone-Date: 2008-12-03T23:08:37
Monotone-Branch: ca.inverse.sogo
---
 .../Appointments/SOGoAppointmentObject.m      | 51 ++++++++++++++++---
 .../Appointments/SOGoCalendarComponent.h      |  2 -
 .../Appointments/SOGoComponentOccurence.m     |  1 +
 3 files changed, 46 insertions(+), 8 deletions(-)

diff --git a/SoObjects/Appointments/SOGoAppointmentObject.m b/SoObjects/Appointments/SOGoAppointmentObject.m
index 2ac9ebe84..5163f0a7e 100644
--- a/SoObjects/Appointments/SOGoAppointmentObject.m
+++ b/SoObjects/Appointments/SOGoAppointmentObject.m
@@ -205,24 +205,56 @@
     }
 }
 
+#warning what about occurences?
 - (void) _removeEventFromUID: (NSString *) theUID
                        owner: (NSString *) theOwner
+	    withRecurrenceId: (NSCalendarDate *) recurrenceId
 {
   if (![theUID isEqualToString: theOwner])
     {
       SOGoAppointmentFolder *folder;
       SOGoAppointmentObject *object;
+      iCalEntityObject *occurence;
+      iCalRepeatableEntityObject *event;
+      iCalCalendar *calendar;
+      NSString *recurrenceTime, *calendarContent;
 
       folder = [container lookupCalendarFolderForUID: theUID];
       object = [folder lookupName: nameInContainer
 		       inContext: context acquire: NO];
       if (![object isKindOfClass: [NSException class]])
-	[object delete];
+	{
+	  if (recurrenceId == nil)
+	    [object delete];
+	  else
+	    {
+	      // If recurrenceId is defined, find the specified occurence
+	      // within the repeating vEvent.
+	      recurrenceTime = [NSString stringWithFormat: @"%f", [recurrenceId timeIntervalSince1970]];
+	      occurence = [object lookupOccurence: recurrenceTime];
+	      if (occurence != nil)
+		{
+		  // The occurence is defined -- remove it.
+		  calendar = [occurence parent];
+		  [[calendar children] removeObject: occurence];
+		}
+	      
+	      // Add an date exception
+	      calendar = [object calendar: NO secure: NO];
+	      event = (iCalRepeatableEntityObject*)[calendar firstChildWithTag: [object componentTag]];
+	      [event addToExceptionDates: recurrenceId];
+
+	      // We generate the updated iCalendar file and we save it
+	      // in the database.
+	      calendarContent = [calendar versitString];
+	      [object saveContentString: calendarContent];
+	    }
+	}
     }
 }
 
-#warning what about occurences?
 - (void) _handleRemovedUsers: (NSArray *) attendees
+            withRecurrenceId: (NSCalendarDate *) recurrenceId
 {
   NSEnumerator *enumerator;
   iCalPerson *currentAttendee;
@@ -234,7 +266,8 @@
       currentUID = [currentAttendee uid];
       if (currentUID)
 	[self _removeEventFromUID: currentUID
-	      owner: owner];
+	      owner: owner
+	      withRecurrenceId: recurrenceId];
     }
 }
 
@@ -308,7 +341,8 @@
   attendees = [changes deletedAttendees];
   if ([attendees count])
     {
-      [self _handleRemovedUsers: attendees];
+      [self _handleRemovedUsers: attendees
+	    withRecurrenceId: [newEvent recurrenceId]];
       [self sendEMailUsingTemplateNamed: @"Deletion"
 	    forObject: [newEvent itipEntryWithMethod: @"cancel"]
 	    previousObject: oldEvent
@@ -735,7 +769,8 @@
 	if (uid)
 	  [self _removeEventFromUID: uid
 		owner: [[LDAPUserManager sharedUserManager]
-			 getUIDForEmail: originator]];
+			 getUIDForEmail: originator]
+		withRecurrenceId: [event recurrenceId]];
 #warning fix this when sendEmailUsing blabla has been cleaned up
 	[self sendEMailUsingTemplateNamed: @"Deletion"
 	      forObject: event
@@ -973,13 +1008,17 @@
 	  // The organizer deletes an occurence.
 	  currentUser = [context activeUser];
 	  attendees = [occurence attendeesWithoutUser: currentUser];
+
+#warning Make sure this is correct ..
 	  if (![attendees count] && event != occurence)
 	    attendees = [event attendeesWithoutUser: currentUser];
+
 	  if ([attendees count])
 	    {
 	      // Remove the event from all attendees calendars
 	      // and send them an email.
-	      [self _handleRemovedUsers: attendees];
+	      [self _handleRemovedUsers: attendees
+		    withRecurrenceId: recurrenceId];
 	      [self sendEMailUsingTemplateNamed: @"Deletion"
 		    forObject: [occurence itipEntryWithMethod: @"cancel"]
 		    previousObject: nil
diff --git a/SoObjects/Appointments/SOGoCalendarComponent.h b/SoObjects/Appointments/SOGoCalendarComponent.h
index 79d42d76f..1292647ff 100644
--- a/SoObjects/Appointments/SOGoCalendarComponent.h
+++ b/SoObjects/Appointments/SOGoCalendarComponent.h
@@ -55,8 +55,6 @@
 // - (NSException *) primarySaveContentString: (NSString *) _iCalString;
 // - (NSException *) primaryDelete;
 
-// - (NSException *) delete;
-
 - (void) saveComponent: (iCalRepeatableEntityObject *) newObject;
 
 /* mail notifications */
diff --git a/SoObjects/Appointments/SOGoComponentOccurence.m b/SoObjects/Appointments/SOGoComponentOccurence.m
index ba750d3f2..bf6b111ee 100644
--- a/SoObjects/Appointments/SOGoComponentOccurence.m
+++ b/SoObjects/Appointments/SOGoComponentOccurence.m
@@ -148,6 +148,7 @@
     {
       if ([container respondsToSelector: @selector (prepareDeleteOccurence:)])
 	[container prepareDeleteOccurence: component];
+
       [master addToExceptionDates: [component startDate]];
       parent = [component parent];
       [[parent children] removeObject: component];