Monotone-Revision: c98770f24cfa85b41238be62c18aeaad6380a583 Monotone-Author: wsourdeau@inverse.ca Monotone-Date: 2007-11-12T19:56:20 Monotone-Branch: ca.inverse.sogo
431 lines
11 KiB
Objective-C
431 lines
11 KiB
Objective-C
/*
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Copyright (C) 2004-2005 SKYRIX Software AG
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This file is part of OpenGroupware.org.
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OGo is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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OGo is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with OGo; see the file COPYING. If not, write to the
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Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA.
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*/
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#import <Foundation/NSCalendarDate.h>
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#import <NGObjWeb/NSException+HTTP.h>
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#import <NGObjWeb/WOContext.h>
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#import <NGExtensions/NSNull+misc.h>
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#import <NGExtensions/NSObject+Logs.h>
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#import <NGCards/iCalCalendar.h>
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#import <NGCards/iCalEvent.h>
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#import <NGCards/iCalEventChanges.h>
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#import <NGCards/iCalPerson.h>
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#import <SoObjects/SOGo/LDAPUserManager.h>
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#import <SoObjects/SOGo/SOGoObject.h>
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#import <SoObjects/SOGo/SOGoPermissions.h>
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#import <SoObjects/SOGo/WORequest+SOGo.h>
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#import "NSArray+Appointments.h"
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#import "SOGoAppointmentFolder.h"
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#import "SOGoAppointmentObject.h"
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@implementation SOGoAppointmentObject
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- (NSString *) componentTag
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{
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return @"vevent";
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}
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/* iCal handling */
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- (NSArray *) attendeeUIDsFromAppointment: (iCalEvent *) _apt
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{
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LDAPUserManager *um;
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NSMutableArray *uids;
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NSArray *attendees;
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unsigned i, count;
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NSString *email, *uid;
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if (![_apt isNotNull])
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return nil;
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if ((attendees = [_apt attendees]) == nil)
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return nil;
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count = [attendees count];
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uids = [NSMutableArray arrayWithCapacity:count + 1];
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um = [LDAPUserManager sharedUserManager];
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/* add organizer */
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email = [[_apt organizer] rfc822Email];
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if ([email isNotNull]) {
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uid = [um getUIDForEmail: email];
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if ([uid isNotNull]) {
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[uids addObject:uid];
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}
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else
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[self logWithFormat:@"Note: got no uid for organizer: '%@'", email];
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}
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/* add attendees */
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for (i = 0; i < count; i++)
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{
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iCalPerson *person;
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person = [attendees objectAtIndex:i];
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email = [person rfc822Email];
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if (![email isNotNull]) continue;
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uid = [um getUIDForEmail:email];
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if (![uid isNotNull]) {
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[self logWithFormat:@"Note: got no uid for email: '%@'", email];
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continue;
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}
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if (![uids containsObject:uid])
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[uids addObject:uid];
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}
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return uids;
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}
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/* store in all the other folders */
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- (NSException *) saveContentString: (NSString *) _iCal
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inUIDs: (NSArray *) _uids
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{
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NSEnumerator *e;
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id folder;
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NSException *allErrors = nil;
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NSException *error;
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SOGoAppointmentObject *apt;
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e = [[container lookupCalendarFoldersForUIDs:_uids inContext: context]
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objectEnumerator];
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while ((folder = [e nextObject]))
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{
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apt = [SOGoAppointmentObject objectWithName: nameInContainer
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inContainer: folder];
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error = [apt primarySaveContentString:_iCal];
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if (error)
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{
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[self logWithFormat:@"Note: failed to save iCal in folder: %@", folder];
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// TODO: make compound
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allErrors = error;
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}
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}
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return allErrors;
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}
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- (NSException *) deleteInUIDs: (NSArray *) _uids
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{
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NSEnumerator *e;
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id folder;
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NSException *allErrors = nil;
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NSException *error;
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SOGoAppointmentObject *apt;
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e = [[container lookupCalendarFoldersForUIDs:_uids inContext: context]
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objectEnumerator];
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while ((folder = [e nextObject]))
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{
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apt = [folder lookupName: [self nameInContainer]
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inContext: context
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acquire:NO];
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if ([apt isKindOfClass: [NSException class]]) {
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[self logWithFormat: @"%@", [(NSException *) apt reason]];
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continue;
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}
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if ((error = [apt primaryDelete]) != nil) {
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[self logWithFormat:@"Note: failed to delete in folder: %@", folder];
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// TODO: make compound
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allErrors = error;
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}
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}
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return allErrors;
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}
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/* "iCal multifolder saves" */
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- (BOOL) _aptIsStillRelevant: (iCalEvent *) appointment
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{
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NSCalendarDate *now;
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now = [NSCalendarDate calendarDate];
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return ([[appointment endDate] earlierDate: now] == now);
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}
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- (NSException *) saveContentString: (NSString *) _iCal
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baseSequence: (int) _v
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{
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/*
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Note: we need to delete in all participants folders and send iMIP messages
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for all external accounts.
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Steps:
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- fetch stored content
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- parse old content
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- check if sequence matches (or if 0=ignore)
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- extract old attendee list + organizer (make unique)
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- parse new content (ensure that sequence is increased!)
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- extract new attendee list + organizer (make unique)
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- make a diff => new, same, removed
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- write to new, same
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- delete in removed folders
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- send iMIP mail for all folders not found
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*/
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LDAPUserManager *um;
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iCalEvent *oldApt, *newApt;
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iCalEventChanges *changes;
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iCalPerson *organizer;
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NSString *oldContent, *uid;
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NSArray *uids, *props;
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NSMutableArray *attendees, *storeUIDs, *removedUIDs;
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NSException *storeError, *delError;
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BOOL updateForcesReconsider;
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if ([[context request] handledByDefaultHandler])
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{
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updateForcesReconsider = NO;
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if ([_iCal length] == 0)
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return [NSException exceptionWithHTTPStatus: 400 /* Bad Request */
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reason: @"got no iCalendar content to store!"];
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um = [LDAPUserManager sharedUserManager];
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/* handle old content */
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oldContent = [self contentAsString]; /* if nil, this is a new appointment */
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if ([oldContent length] == 0)
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{
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/* new appointment */
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[self debugWithFormat:@"saving new appointment: %@", _iCal];
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oldApt = nil;
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}
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else
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oldApt = (iCalEvent *) [self component: NO];
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/* compare sequence if requested */
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if (_v != 0) {
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// TODO
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}
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/* handle new content */
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newApt = (iCalEvent *) [self component: NO];
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if (!newApt)
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return [NSException exceptionWithHTTPStatus: 400 /* Bad Request */
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reason: @"could not parse iCalendar content!"];
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/* diff */
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changes = [iCalEventChanges changesFromEvent: oldApt toEvent: newApt];
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uids = [self getUIDsForICalPersons: [changes deletedAttendees]];
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removedUIDs = [NSMutableArray arrayWithArray: uids];
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uids = [self getUIDsForICalPersons: [newApt attendees]];
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storeUIDs = [NSMutableArray arrayWithArray: uids];
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props = [changes updatedProperties];
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/* detect whether sequence has to be increased */
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if ([changes hasChanges])
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[newApt increaseSequence];
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/* preserve organizer */
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organizer = [newApt organizer];
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uid = [self getUIDForICalPerson: organizer];
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if (!uid)
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uid = [self ownerInContext: nil];
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if (uid)
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{
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[storeUIDs addObjectUniquely: uid];
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[removedUIDs removeObject: uid];
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}
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/* organizer might have changed completely */
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if (oldApt && ([props containsObject: @"organizer"]))
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{
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uid = [self getUIDForICalPerson: [oldApt organizer]];
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if (uid && ![storeUIDs containsObject: uid])
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[removedUIDs addObjectUniquely: uid];
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}
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[self debugWithFormat: @"UID ops:\n store: %@\n remove: %@",
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storeUIDs, removedUIDs];
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/* if time did change, all participants have to re-decide ...
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* ... exception from that rule: the organizer
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*/
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if (oldApt
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&& ([props containsObject: @"startDate"]
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|| [props containsObject: @"endDate"]
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|| [props containsObject: @"duration"]))
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{
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NSArray *ps;
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unsigned i, count;
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ps = [newApt attendees];
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count = [ps count];
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for (i = 0; i < count; i++) {
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iCalPerson *p;
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p = [ps objectAtIndex:i];
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if (![p hasSameEmailAddress:organizer])
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[p setParticipationStatus:iCalPersonPartStatNeedsAction];
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}
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_iCal = [[newApt parent] versitString];
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updateForcesReconsider = YES;
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}
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/* perform storing */
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storeError = [self saveContentString: _iCal inUIDs: storeUIDs];
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delError = [self deleteInUIDs: removedUIDs];
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// TODO: make compound
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if (storeError != nil) return storeError;
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if (delError != nil) return delError;
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/* email notifications */
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if ([self sendEMailNotifications]
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&& [self _aptIsStillRelevant: newApt])
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{
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attendees
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= [NSMutableArray arrayWithArray: [changes insertedAttendees]];
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[attendees removePerson: organizer];
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[self sendEMailUsingTemplateNamed: @"Invitation"
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forOldObject: nil
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andNewObject: newApt
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toAttendees: attendees];
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if (updateForcesReconsider)
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{
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attendees = [NSMutableArray arrayWithArray:[newApt attendees]];
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[attendees removeObjectsInArray:[changes insertedAttendees]];
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[attendees removePerson:organizer];
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[self sendEMailUsingTemplateNamed: @"Update"
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forOldObject: oldApt
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andNewObject: newApt
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toAttendees: attendees];
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}
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attendees
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= [NSMutableArray arrayWithArray: [changes deletedAttendees]];
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[attendees removePerson: organizer];
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if ([attendees count])
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{
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iCalEvent *cancelledApt;
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cancelledApt = [newApt copy];
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[(iCalCalendar *) [cancelledApt parent] setMethod: @"cancel"];
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[self sendEMailUsingTemplateNamed: @"Removal"
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forOldObject: nil
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andNewObject: cancelledApt
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toAttendees: attendees];
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[cancelledApt release];
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}
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}
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}
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else
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[self primarySaveContentString: _iCal];
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return nil;
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}
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- (NSException *) deleteWithBaseSequence: (int)_v
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{
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/*
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Note: We need to delete in all participants folders and send iMIP messages
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for all external accounts.
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Delete is basically identical to save with all attendees and the
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organizer being deleted.
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Steps:
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- fetch stored content
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- parse old content
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- check if sequence matches (or if 0=ignore)
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- extract old attendee list + organizer (make unique)
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- delete in removed folders
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- send iMIP mail for all folders not found
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*/
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iCalEvent *apt;
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NSMutableArray *attendees, *removedUIDs;
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NSException *error;
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if ([[context request] handledByDefaultHandler])
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{
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/* load existing content */
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apt = (iCalEvent *) [self component: NO];
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/* compare sequence if requested */
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// if (_v != 0) {
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// // TODO
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// }
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removedUIDs = [NSMutableArray arrayWithArray:
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[self attendeeUIDsFromAppointment: apt]];
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if (![removedUIDs containsObject: owner])
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[removedUIDs addObject: owner];
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if ([self sendEMailNotifications]
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&& [self _aptIsStillRelevant: apt])
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{
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/* send notification email to attendees excluding organizer */
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attendees = [NSMutableArray arrayWithArray: [apt attendees]];
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[attendees removePerson: [apt organizer]];
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/* flag appointment as being cancelled */
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[(iCalCalendar *) [apt parent] setMethod: @"cancel"];
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[apt increaseSequence];
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/* remove all attendees to signal complete removal */
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[apt removeAllAttendees];
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/* send notification email */
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[self sendEMailUsingTemplateNamed: @"Deletion"
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forOldObject: nil
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andNewObject: apt
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toAttendees: attendees];
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}
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error = [self deleteInUIDs: removedUIDs];
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}
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else
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error = [self primaryDelete];
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return error;
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}
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- (NSException *) saveContentString: (NSString *) _iCalString
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{
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return [self saveContentString: _iCalString baseSequence: 0];
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}
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/* message type */
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- (NSString *) outlookMessageClass
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{
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return @"IPM.Appointment";
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}
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@end /* SOGoAppointmentObject */
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