225 lines
6.8 KiB
Objective-C
225 lines
6.8 KiB
Objective-C
/* iCalEventChanges.m - this file is part of SOPE
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*
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* Copyright (C) 2004-2016 Inverse inc.
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#import <Foundation/NSArray.h>
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#import <Foundation/NSString.h>
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#import "iCalEventChanges.h"
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#import "iCalEvent.h"
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#import "iCalPerson.h"
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@interface iCalEventChanges (PrivateAPI)
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- (void)_trackAttendeeChanges:(iCalEvent *)_from :(iCalEvent *)_to;
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- (void)_trackAlarmChanges:(iCalEvent *)_from :(iCalEvent *)_to;
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- (void)_trackPropertyChanges:(iCalEvent *)_from :(iCalEvent *)_to;
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@end
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@implementation iCalEventChanges
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+ (id)changesFromEvent:(iCalEvent *)_from toEvent:(iCalEvent *)_to {
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return [[[self alloc] initWithFromEvent:_from toEvent:_to] autorelease];
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}
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- (id)initWithFromEvent:(iCalEvent *)_from toEvent:(iCalEvent *)_to {
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self = [super init];
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if(self) {
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insertedAttendees = [NSMutableArray new];
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deletedAttendees = [NSMutableArray new];
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updatedAttendees = [NSMutableArray new];
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insertedAlarms = [NSMutableArray new];
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deletedAlarms = [NSMutableArray new];
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updatedAlarms = [NSMutableArray new];
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updatedProperties = [NSMutableArray new];
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[self _trackAttendeeChanges:_from :_to];
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[self _trackPropertyChanges:_from :_to];
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}
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return self;
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}
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- (void)dealloc {
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[insertedAttendees release];
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[deletedAttendees release];
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[updatedAttendees release];
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[insertedAlarms release];
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[deletedAlarms release];
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[updatedAlarms release];
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[updatedProperties release];
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[super dealloc];
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}
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- (void)_trackAttendeeChanges:(iCalEvent *)_from :(iCalEvent *)_to {
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unsigned f, t, fcount, tcount;
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NSArray *fromAttendees, *toAttendees;
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fromAttendees = [_from attendees];
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fcount = [fromAttendees count];
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toAttendees = [_to attendees];
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tcount = [toAttendees count];
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for(f = 0; f < fcount; f++) {
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iCalPerson *fp;
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BOOL found = NO;
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fp = [fromAttendees objectAtIndex:f];
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for(t = 0; t < tcount; t++) {
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iCalPerson *tp;
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tp = [toAttendees objectAtIndex:t];
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if([fp hasSameEmailAddress:tp]) {
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found = YES;
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if(![fp isEqualToPerson:tp]) {
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[updatedAttendees addObject:tp];
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}
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break;
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}
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}
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if(!found) {
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[deletedAttendees addObject:fp];
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}
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}
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for(t = 0; t < tcount; t++) {
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iCalPerson *tp;
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BOOL found = NO;
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tp = [toAttendees objectAtIndex:t];
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for(f = 0; f < fcount; f++) {
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iCalPerson *fp;
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fp = [fromAttendees objectAtIndex:f];
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if([tp hasSameEmailAddress:fp]) {
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found = YES;
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break;
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}
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}
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if(!found)
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[insertedAttendees addObject:tp];
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}
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}
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- (void)_trackAlarmChanges:(iCalEvent *)_from :(iCalEvent *)_to {
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}
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- (void)_trackPropertyChanges:(iCalEvent *)_from :(iCalEvent *)_to {
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if(!IS_EQUAL([_from startDate], [_to startDate], isEqualToDate:))
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[updatedProperties addObject:@"startDate"];
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if(!IS_EQUAL([_from endDate], [_to endDate], isEqualToDate:))
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[updatedProperties addObject:@"endDate"];
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if(!IS_EQUAL([_from created], [_to created], isEqualToDate:))
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[updatedProperties addObject:@"created"];
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if(!IS_EQUAL([_from lastModified], [_to lastModified], isEqualToDate:))
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[updatedProperties addObject:@"lastModified"];
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if(![_from durationAsTimeInterval] == [_to durationAsTimeInterval])
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[updatedProperties addObject:@"duration"];
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if(!IS_EQUAL([_from summary], [_to summary], isEqualToString:))
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[updatedProperties addObject:@"summary"];
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if(!IS_EQUAL([_from location], [_to location], isEqualToString:))
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[updatedProperties addObject:@"location"];
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if(!IS_EQUAL([_from comment], [_to comment], isEqualToString:))
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[updatedProperties addObject:@"comment"];
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if(!IS_EQUAL([_from priority], [_to priority], isEqualToString:))
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[updatedProperties addObject:@"priority"];
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if(!IS_EQUAL([_from status], [_to status], isEqualToString:))
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[updatedProperties addObject:@"status"];
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if(!IS_EQUAL([_from accessClass], [_to accessClass], isEqualToString:))
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[updatedProperties addObject:@"accessClass"];
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if(!IS_EQUAL([_from sequence], [_to sequence], isEqualToNumber:))
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[updatedProperties addObject:@"sequence"];
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if(!IS_EQUAL([[_from organizer] rfc822Email], [[_to organizer] rfc822Email], isEqual:))
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[updatedProperties addObject:@"organizer"];
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if(!IS_EQUAL([_from recurrenceRules], [_to recurrenceRules], isEqual:))
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[updatedProperties addObject:@"rrule"];
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if(!IS_EQUAL([_from exceptionRules], [_to exceptionRules], isEqual:))
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[updatedProperties addObject:@"exrule"];
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if(!IS_EQUAL([_from exceptionDates], [_to exceptionDates], isEqual:))
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[updatedProperties addObject:@"exdate"];
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}
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- (BOOL)hasChanges {
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return [self hasAttendeeChanges] ||
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[self hasAlarmChanges] ||
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[self hasPropertyChanges];
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}
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- (BOOL)hasMajorChanges {
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return
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[self hasAttendeeChanges] ||
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([self hasPropertyChanges] &&
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([[self updatedProperties] count] > 1 || ![[self updatedProperties] containsObject: @"lastModified"]));
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}
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- (BOOL)hasAttendeeChanges {
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return [[self insertedAttendees] count] > 0 ||
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[[self deletedAttendees] count] > 0 ||
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[[self updatedAttendees] count] > 0;
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}
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- (BOOL)hasAlarmChanges {
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return [[self insertedAlarms] count] > 0 ||
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[[self deletedAlarms] count] > 0 ||
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[[self updatedAlarms] count] > 0;
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}
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- (BOOL)hasPropertyChanges {
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return [[self updatedProperties] count] > 0;
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}
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- (NSArray *)insertedAttendees {
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return insertedAttendees;
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}
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- (NSArray *)deletedAttendees {
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return deletedAttendees;
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}
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- (NSArray *)updatedAttendees {
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return updatedAttendees;
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}
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- (NSArray *)insertedAlarms {
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return insertedAlarms;
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}
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- (NSArray *)deletedAlarms {
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return deletedAlarms;
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}
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- (NSArray *)updatedAlarms {
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return updatedAlarms;
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}
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- (NSArray *)updatedProperties {
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return updatedProperties;
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}
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/* descriptions */
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- (NSString *)description {
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NSMutableString *ms;
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ms = [NSMutableString stringWithCapacity:128];
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[ms appendFormat:@"<0x%p[%@]:", self, NSStringFromClass([self class])];
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[ms appendFormat:@" updatedProperties=%@", updatedProperties];
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[ms appendFormat:@" insertedAttendees=%@", insertedAttendees];
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[ms appendFormat:@" deletedAttendees=%@", deletedAttendees];
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[ms appendFormat:@" updatedAttendees=%@", updatedAttendees];
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[ms appendString:@">"];
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return ms;
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}
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@end
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