e09ac2e383
Monotone-Revision: 5539e3c473023281dd04f7cb8a8fee051ac0735d Monotone-Author: wsourdeau@inverse.ca Monotone-Date: 2007-04-11T19:08:58 Monotone-Branch: ca.inverse.sogo
462 lines
13 KiB
Objective-C
462 lines
13 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 "SOGoAppointmentObject.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 <SOGo/AgenorUserManager.h>
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#import <SOGo/SOGoObject.h>
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#import <SOGo/SOGoPermissions.h>
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#import "iCalEntityObject+Agenor.h"
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#import "common.h"
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#import "NSArray+Appointments.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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AgenorUserManager *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 = [AgenorUserManager 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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/* folder management */
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- (id)lookupHomeFolderForUID:(NSString *)_uid inContext:(id)_ctx {
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// TODO: what does this do? lookup the home of the organizer?
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return [[self container] lookupHomeFolderForUID:_uid inContext:_ctx];
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}
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- (NSArray *)lookupCalendarFoldersForUIDs:(NSArray *)_uids inContext:(id)_ctx {
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return [[self container] lookupCalendarFoldersForUIDs:_uids inContext:_ctx];
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}
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/* store in all the other folders */
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- (NSException *)saveContentString:(NSString *)_iCal inUIDs:(NSArray *)_uids {
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NSEnumerator *e;
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id folder;
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NSException *allErrors = nil;
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e = [[self lookupCalendarFoldersForUIDs:_uids inContext: context]
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objectEnumerator];
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while ((folder = [e nextObject]) != nil) {
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NSException *error;
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SOGoAppointmentObject *apt;
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if (![folder isNotNull]) /* no folder was found for given UID */
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continue;
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apt = [folder lookupName: [self nameInContainer] inContext: context
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acquire: NO];
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if ([apt isKindOfClass: [NSException class]])
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{
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[self logWithFormat:@"Note: an exception occured finding '%@' in folder: %@",
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[self nameInContainer], folder];
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[self logWithFormat:@"the exception reason was: %@",
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[(NSException *) apt reason]];
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continue;
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}
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if (![apt isNotNull]) {
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[self logWithFormat:@"Note: did not find '%@' in folder: %@",
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[self nameInContainer], folder];
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continue;
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}
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if ([apt isKindOfClass: [NSException class]]) {
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[self logWithFormat:@"Exception: %@", [(NSException *) apt reason]];
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continue;
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}
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if ((error = [apt primarySaveContentString:_iCal]) != nil) {
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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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NSEnumerator *e;
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id folder;
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NSException *allErrors = nil;
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e = [[self lookupCalendarFoldersForUIDs:_uids inContext: context]
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objectEnumerator];
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while ((folder = [e nextObject])) {
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NSException *error;
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SOGoAppointmentObject *apt;
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apt = [folder lookupName:[self nameInContainer] 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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- (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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AgenorUserManager *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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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 = [AgenorUserManager 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 = [um getUIDsForICalPersons: [changes deletedAttendees]
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applyStrictMapping: NO];
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removedUIDs = [NSMutableArray arrayWithArray: uids];
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uids = [um getUIDsForICalPersons: [newApt attendees]
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applyStrictMapping: NO];
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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 = [um 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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if (![storeUIDs containsObject:uid])
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[storeUIDs addObject: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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uid = [um getUIDForICalPerson:[oldApt organizer]];
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if (uid) {
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if (![storeUIDs containsObject:uid]) {
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if (![removedUIDs containsObject:uid]) {
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[removedUIDs addObject:uid];
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}
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}
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}
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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 != nil &&
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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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{
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attendees = [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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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 = [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 *canceledApt;
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canceledApt = [newApt copy];
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[(iCalCalendar *) [canceledApt parent] setMethod: @"cancel"];
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[self sendEMailUsingTemplateNamed: @"Removal"
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forOldObject: nil
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andNewObject: canceledApt
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toAttendees: attendees];
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[canceledApt release];
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}
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}
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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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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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NSArray *removedUIDs;
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NSMutableArray *attendees;
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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 = [self attendeeUIDsFromAppointment:apt];
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if ([self sendEMailNotifications])
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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 canceled */
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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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/* perform */
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return [self deleteInUIDs:removedUIDs];
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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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- (NSException *) saveContentString: (NSString *) contentString
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baseVersion: (unsigned int) baseVersion
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{
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NSString *newContentString, *oldContentString;
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iCalCalendar *eventCalendar;
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iCalEvent *event;
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NSArray *organizers;
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oldContentString = [self contentAsString];
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if (oldContentString)
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newContentString = contentString;
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else
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{
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eventCalendar = [iCalCalendar parseSingleFromSource: contentString];
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event = (iCalEvent *) [eventCalendar firstChildWithTag: [self componentTag]];
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organizers = [event childrenWithTag: @"organizer"];
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if ([organizers count])
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newContentString = contentString;
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else
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{
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[event setOrganizerWithUid: [[self container] ownerInContext: nil]];
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newContentString = [eventCalendar versitString];
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}
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}
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return [super saveContentString: newContentString
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baseVersion: baseVersion];
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}
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@end /* SOGoAppointmentObject */
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