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--- /dev/null
+/*
+ Copyright (C) 2004 SKYRIX Software AG
+
+ This file is part of OpenGroupware.org.
+
+ OGo is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by the
+ Free Software Foundation; either version 2, or (at your option) any
+ later version.
+
+ OGo is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with OGo; see the file COPYING. If not, write to the
+ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA.
+ */
+// $Id$
+// Created by znek on 31.08.04.
+
+#ifndef __NGiCal_iCalEventChanges_H_
+#define __NGiCal_iCalEventChanges_H_
+
+#include <Foundation/NSObject.h>
+
+@class iCalEvent, NSArray, NSMutableArray;
+
+@interface iCalEventChanges : NSObject
+{
+ NSMutableArray *insertedAttendees;
+ NSMutableArray *deletedAttendees;
+ NSMutableArray *updatedAttendees;
+ NSMutableArray *insertedAlarms;
+ NSMutableArray *deletedAlarms;
+ NSMutableArray *updatedAlarms;
+ NSMutableArray *updatedProperties;
+}
+
++ (id)changesFromEvent:(iCalEvent *)_old toEvent:(iCalEvent *)_to;
+- (id)initWithFromEvent:(iCalEvent *)_from toEvent:(iCalEvent *)_to;
+
+- (BOOL)hasChanges;
+
+- (BOOL)hasAttendeeChanges;
+- (NSArray *)insertedAttendees;
+- (NSArray *)deletedAttendees;
+- (NSArray *)updatedAttendees;
+
+- (BOOL)hasAlarmChanges;
+- (NSArray *)insertedAlarms;
+- (NSArray *)deletedAlarms;
+- (NSArray *)updatedAlarms;
+
+- (BOOL)hasPropertyChanges;
+- (NSArray *)updatedProperties;
+
+@end
+
+#endif /* __NGiCal_iCalEventChanges_H_ */
--- /dev/null
+/*
+ Copyright (C) 2004 SKYRIX Software AG
+
+ This file is part of OpenGroupware.org.
+
+ OGo is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by the
+ Free Software Foundation; either version 2, or (at your option) any
+ later version.
+
+ OGo is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with OGo; see the file COPYING. If not, write to the
+ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA.
+ */
+// $Id$
+
+
+#include "iCalEventChanges.h"
+#include "iCalEvent.h"
+#include "iCalPerson.h"
+#include "common.h"
+
+@interface iCalEventChanges (PrivateAPI)
+- (void)_trackAttendeeChanges:(iCalEvent *)_from :(iCalEvent *)_to;
+- (void)_trackAlarmChanges:(iCalEvent *)_from :(iCalEvent *)_to;
+- (void)_trackPropertyChanges:(iCalEvent *)_from :(iCalEvent *)_to;
+@end
+
+@implementation iCalEventChanges
+
++ (id)changesFromEvent:(iCalEvent *)_from toEvent:(iCalEvent *)_to {
+ return [[[self alloc] initWithFromEvent:_from toEvent:_to] autorelease];
+}
+
+- (id)initWithFromEvent:(iCalEvent *)_from toEvent:(iCalEvent *)_to {
+ self = [super init];
+ if(self) {
+ self->insertedAttendees = [[NSMutableArray alloc] init];
+ self->deletedAttendees = [[NSMutableArray alloc] init];
+ self->updatedAttendees = [[NSMutableArray alloc] init];
+ self->insertedAlarms = [[NSMutableArray alloc] init];
+ self->deletedAlarms = [[NSMutableArray alloc] init];
+ self->updatedAlarms = [[NSMutableArray alloc] init];
+ self->updatedProperties = [[NSMutableArray alloc] init];
+ [self _trackAttendeeChanges:_from :_to];
+ [self _trackPropertyChanges:_from :_to];
+ }
+ return self;
+}
+
+- (void)dealloc {
+ [self->insertedAttendees release];
+ [self->deletedAttendees release];
+ [self->updatedAttendees release];
+ [self->insertedAlarms release];
+ [self->deletedAlarms release];
+ [self->updatedAlarms release];
+ [self->updatedProperties release];
+ [super dealloc];
+}
+
+- (void)_trackAttendeeChanges:(iCalEvent *)_from :(iCalEvent *)_to {
+ unsigned f, t, fcount, tcount;
+ NSArray *fromAttendees, *toAttendees;
+
+ fromAttendees = [_from attendees];
+ fcount = [fromAttendees count];
+ toAttendees = [_to attendees];
+ tcount = [toAttendees count];
+ for(f = 0; f < fcount; f++) {
+ iCalPerson *fp;
+ BOOL found = NO;
+
+ fp = [fromAttendees objectAtIndex:f];
+
+ for(t = 0; t < tcount; t++) {
+ iCalPerson *tp;
+
+ tp = [toAttendees objectAtIndex:t];
+ if([fp hasSameEmailAddress:tp]) {
+ found = YES;
+ if(![fp isEqualToPerson:tp]) {
+ [self->updatedAttendees addObject:tp];
+ }
+ break;
+ }
+ }
+ if(!found) {
+ [self->deletedAttendees addObject:fp];
+ }
+ }
+ for(t = 0; t < tcount; t++) {
+ iCalPerson *tp;
+ BOOL found = NO;
+
+ tp = [toAttendees objectAtIndex:t];
+ for(f = 0; f < fcount; f++) {
+ iCalPerson *fp;
+
+ fp = [fromAttendees objectAtIndex:f];
+ if([tp hasSameEmailAddress:fp]) {
+ found = YES;
+ break;
+ }
+ }
+ if(!found)
+ [self->insertedAttendees addObject:tp];
+ }
+}
+
+- (void)_trackAlarmChanges:(iCalEvent *)_from :(iCalEvent *)_to {
+}
+
+- (void)_trackPropertyChanges:(iCalEvent *)_from :(iCalEvent *)_to {
+ if(!IS_EQUAL([_from startDate], [_to startDate], isEqualToDate:))
+ [self->updatedProperties addObject:@"startDate"];
+ if(!IS_EQUAL([_from endDate], [_to endDate], isEqualToDate:))
+ [self->updatedProperties addObject:@"endDate"];
+ if(!IS_EQUAL([_from created], [_to created], isEqualToDate:))
+ [self->updatedProperties addObject:@"created"];
+ if(!IS_EQUAL([_from lastModified], [_to lastModified], isEqualToDate:))
+ [self->updatedProperties addObject:@"lastModified"];
+ if(![_from durationAsTimeInterval] == [_to durationAsTimeInterval])
+ [self->updatedProperties addObject:@"duration"];
+ if(!IS_EQUAL([_from summary], [_to summary], isEqualToString:))
+ [self->updatedProperties addObject:@"summary"];
+ if(!IS_EQUAL([_from location], [_to location], isEqualToString:))
+ [self->updatedProperties addObject:@"location"];
+ if(!IS_EQUAL([_from comment], [_to comment], isEqualToString:))
+ [self->updatedProperties addObject:@"comment"];
+ if(!IS_EQUAL([_from priority], [_to priority], isEqualToString:))
+ [self->updatedProperties addObject:@"priority"];
+ if(!IS_EQUAL([_from status], [_to status], isEqualToString:))
+ [self->updatedProperties addObject:@"status"];
+ if(!IS_EQUAL([_from accessClass], [_to accessClass], isEqualToString:))
+ [self->updatedProperties addObject:@"accessClass"];
+ if(!IS_EQUAL([_from sequence], [_to sequence], isEqualToNumber:))
+ [self->updatedProperties addObject:@"sequence"];
+ if(!IS_EQUAL([_from organizer], [_to organizer], isEqual:))
+ [self->updatedProperties addObject:@"organizer"];
+}
+
+- (BOOL)hasChanges {
+ return [self hasAttendeeChanges] ||
+ [self hasAlarmChanges] ||
+ [self hasPropertyChanges];
+}
+
+- (BOOL)hasAttendeeChanges {
+ return [[self insertedAttendees] count] > 0 ||
+ [[self deletedAttendees] count] > 0 ||
+ [[self updatedAttendees] count] > 0;
+}
+
+- (BOOL)hasAlarmChanges {
+ return [[self insertedAlarms] count] > 0 ||
+ [[self deletedAlarms] count] > 0 ||
+ [[self updatedAlarms] count] > 0;
+}
+
+- (BOOL)hasPropertyChanges {
+ return [[self updatedProperties] count] > 0;
+}
+
+- (NSArray *)insertedAttendees {
+ return self->insertedAttendees;
+}
+- (NSArray *)deletedAttendees {
+ return self->deletedAttendees;
+}
+- (NSArray *)updatedAttendees {
+ return self->updatedAttendees;
+}
+
+- (NSArray *)insertedAlarms {
+ return self->insertedAlarms;
+}
+- (NSArray *)deletedAlarms {
+ return self->deletedAlarms;
+}
+- (NSArray *)updatedAlarms {
+ return self->updatedAlarms;
+}
+
+- (NSArray *)updatedProperties {
+ return self->updatedProperties;
+}
+
+/* descriptions */
+
+- (NSString *)description {
+ NSMutableString *ms;
+
+ ms = [NSMutableString stringWithCapacity:128];
+ [ms appendFormat:@"<0x%08X[%@]:", self, NSStringFromClass([self class])];
+
+ [ms appendFormat:@" updatedProperties=%@", self->updatedProperties];
+ [ms appendFormat:@" insertedAttendees=%@", self->insertedAttendees];
+ [ms appendFormat:@" deletedAttendees=%@", self->deletedAttendees];
+ [ms appendFormat:@" updatedAttendees=%@", self->updatedAttendees];
+
+ [ms appendString:@">"];
+ return ms;
+}
+
+@end
projects / sope / commitdiff