371 lines
9.8 KiB
Mathematica
371 lines
9.8 KiB
Mathematica
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/*
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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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#include "UIxMailPartViewer.h"
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/*
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UIxMailPartICalViewer
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Show plain/calendar mail parts.
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*/
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@class SOGoDateFormatter;
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@class iCalEvent, iCalCalendar;
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@interface UIxMailPartICalViewer : UIxMailPartViewer
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{
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iCalCalendar *inCalendar;
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iCalEvent *inEvent;
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id attendee;
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SOGoDateFormatter *dateFormatter;
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id item;
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id storedEventObject;
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iCalEvent *storedEvent;
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}
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- (iCalEvent *)authorativeEvent;
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@end
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#include <SOGoUI/SOGoDateFormatter.h>
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#include <SOGo/SOGoAppointment.h>
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#include <SOGo/SOGoUser.h>
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#include <SoObjects/Appointments/SOGoAppointmentFolder.h>
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#include <SoObjects/Appointments/SOGoAppointmentObject.h>
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#include <SoObjects/Mailer/SOGoMailObject.h>
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#include <NGiCal/NGiCal.h>
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#include <NGImap4/NGImap4EnvelopeAddress.h>
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#include "common.h"
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@implementation UIxMailPartICalViewer
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- (void)dealloc {
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[self->storedEventObject release];
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[self->storedEvent release];
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[self->attendee release];
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[self->item release];
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[self->inCalendar release];
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[self->inEvent release];
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[self->dateFormatter release];
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[super dealloc];
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}
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/* maintain caches */
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- (void)resetPathCaches {
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[super resetPathCaches];
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[self->inEvent release]; self->inEvent = nil;
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[self->inCalendar release]; self->inCalendar = nil;
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[self->storedEventObject release]; self->storedEventObject = nil;
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[self->storedEvent release]; self->storedEvent = nil;
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/* not strictly path-related, but useless without it anyway: */
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[self->attendee release]; self->attendee = nil;
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[self->item release]; self->item = nil;
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}
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/* raw content handling */
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- (NSStringEncoding)fallbackStringEncoding {
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/*
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iCalendar invitations sent by Outlook 2002 have the annoying bug that the
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mail states an UTF-8 content encoding but the actual iCalendar content is
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encoding in Latin-1 (or Windows Western?).
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As a result the content decoding will fail (TODO: always?). In this case we
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try to decode with Latin-1.
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Note: we could check for the Outlook x-mailer, but it was considered better
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to try Latin-1 as a fallback in any case (be tolerant).
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*/
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return NSISOLatin1StringEncoding;
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}
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/* accessors */
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- (iCalCalendar *)inCalendar {
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NSString *iCalString;
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if (self->inCalendar != nil)
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return [self->inCalendar isNotNull] ? self->inCalendar : nil;
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if ((iCalString = [self flatContentAsString]) == nil) {
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[self errorWithFormat:@"Could not retrieve content string for part!"];
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self->inCalendar = [[NSNull null] retain];
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return nil;
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}
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self->inCalendar =
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[[iCalCalendar parseCalendarFromSource:iCalString] retain];
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if (self->inCalendar == nil) {
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[self warnWithFormat:@"Could not parse a vcalendar string."];
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self->inCalendar = [[NSNull null] retain];
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return nil;
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}
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else
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return self->inCalendar;
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}
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- (BOOL)couldParseCalendar {
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return [[self inCalendar] isNotNull];
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}
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- (iCalEvent *)inEvent {
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NSArray *events;
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if (self->inEvent != nil)
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return [self->inEvent isNotNull] ? self->inEvent : nil;
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events = [[self inCalendar] events];
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if ([events count] > 0) {
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self->inEvent = [[events objectAtIndex:0] retain];
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return self->inEvent;
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}
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else {
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self->inEvent = [[NSNull null] retain];
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return nil;
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}
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}
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/* formatters */
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- (SOGoDateFormatter *)dateFormatter {
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if (self->dateFormatter == nil) {
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self->dateFormatter =
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[[SOGoDateFormatter alloc] initWithLocale:[self locale]];
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[self->dateFormatter setFullWeekdayNameAndDetails];
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}
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return self->dateFormatter;
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}
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/* below is copied from UIxAppointmentView, can we avoid that? */
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- (void)setAttendee:(id)_attendee {
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ASSIGN(self->attendee, _attendee);
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}
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- (id)attendee {
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return self->attendee;
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}
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- (void)setItem:(id)_item {
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ASSIGN(self->item, _item);
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}
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- (id)item {
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return self->item;
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}
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- (NSCalendarDate *)startTime {
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NSCalendarDate *date;
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date = [[self authorativeEvent] startDate];
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[date setTimeZone:[self viewTimeZone]];
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return date;
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}
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- (NSCalendarDate *)endTime {
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NSCalendarDate *date;
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date = [[self authorativeEvent] endDate];
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[date setTimeZone:[self viewTimeZone]];
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return date;
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}
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- (BOOL)isEndDateOnSameDay {
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return [[self startTime] isDateOnSameDay:[self endTime]];
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}
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- (NSTimeInterval)duration {
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return [[self endTime] timeIntervalSinceDate:[self startTime]];
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}
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/* calendar folder support */
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- (id)calendarFolder {
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/* return scheduling calendar of currently logged-in user */
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return [[[self context] activeUser] schedulingCalendarInContext:
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[self context]];
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}
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- (id)storedEventObject {
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/* lookup object in the users Calendar */
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id calendar;
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if (self->storedEventObject != nil)
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return [self->storedEventObject isNotNull] ? self->storedEventObject : nil;
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calendar = [self calendarFolder];
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if ([calendar isKindOfClass:[NSException class]]) {
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[self errorWithFormat:@"Did not find Calendar folder: %@", calendar];
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}
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else {
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NSString *filename;
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filename = [calendar resourceNameForEventUID:[[self inEvent] uid]];
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if (filename != nil) {
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// TODO: When we get an exception, this might be an auth issue meaning
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// that the UID indeed exists but that the user has no access to
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// the object.
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// Of course this is quite unusual for the private calendar though.
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id tmp;
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tmp = [calendar lookupName:filename inContext:[self context] acquire:NO];
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if ([tmp isNotNull] && ![tmp isKindOfClass:[NSException class]])
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self->storedEventObject = [tmp retain];
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}
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}
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if (self->storedEventObject == nil)
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self->storedEventObject = [[NSNull null] retain];
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return self->storedEventObject;
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}
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- (BOOL)isEventStoredInCalendar {
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return [[self storedEventObject] isNotNull];
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}
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- (iCalEvent *)storedEvent {
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return [(SOGoAppointmentObject *)[self storedEventObject] event];
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}
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/* organizer tracking */
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- (NSString *)loggedInUserEMail {
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return [[[self context] activeUser] email];
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}
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- (iCalEvent *)authorativeEvent {
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/* DB is considered master, when in DB, ignore mail organizer */
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return [self isEventStoredInCalendar]
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? [self storedEvent]
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: [self inEvent];
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}
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- (BOOL)isLoggedInUserTheOrganizer {
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NSString *loginEMail;
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if ((loginEMail = [self loggedInUserEMail]) == nil) {
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[self warnWithFormat:@"Could not determine email of logged in user?"];
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return NO;
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}
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return [[self authorativeEvent] isOrganizer:loginEMail];
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}
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- (BOOL)isLoggedInUserAnAttendee {
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NSString *loginEMail;
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if ((loginEMail = [self loggedInUserEMail]) == nil) {
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[self warnWithFormat:@"Could not determine email of logged in user?"];
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return NO;
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}
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return [[self authorativeEvent] isParticipant:loginEMail];
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}
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/* derived fields */
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- (NSString *)organizerDisplayName {
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iCalPerson *organizer;
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NSString *cn;
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if ((organizer = [[self authorativeEvent] organizer]) != nil) {
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cn = [organizer valueForKey:@"cnForDisplay"];
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if ([cn isNotNull] && [cn length] > 0)
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return cn;
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cn = [organizer valueForKey:@"rfc822Email"];
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if ([cn isNotNull] && [cn length] > 0)
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return cn;
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return @"[error: unable to derive organizer name]";
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}
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return @"[todo: no organizer set, use 'from']";
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}
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/* replies */
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- (NGImap4EnvelopeAddress *)replySenderAddress {
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/*
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The iMIP reply is the sender of the mail, the 'attendees' are NOT set to
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the actual attendees. BUT the attendee field contains the reply-status!
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*/
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id tmp;
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tmp = [[self clientObject] fromEnvelopeAddresses];
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if ([tmp count] == 0) return nil;
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return [tmp objectAtIndex:0];
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}
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- (NSString *)replySenderEMail {
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return [[self replySenderAddress] email];
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}
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- (NSString *)replySenderBaseEMail {
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return [[self replySenderAddress] baseEMail];
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}
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- (iCalPerson *)inReplyAttendee {
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NSArray *attendees;
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attendees = [[self inEvent] attendees];
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if ([attendees count] == 0)
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return nil;
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if ([attendees count] > 1)
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[self warnWithFormat:@"More than one attendee in REPLY: %@", attendees];
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return [attendees objectAtIndex:0];
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}
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- (iCalPerson *)storedReplyAttendee {
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/*
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TODO: since an attendee can have multiple email addresses, maybe we
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should translate the email to an internal uid and then retrieve
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all emails addresses for matching the participant.
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Note: -findParticipantWithEmail: does not parse the email!
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*/
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iCalEvent *e;
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iCalPerson *p;
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if ((e = [self storedEvent]) == nil)
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return nil;
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if ((p = [e findParticipantWithEmail:[self replySenderBaseEMail]]))
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return p;
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if ((p = [e findParticipantWithEmail:[self replySenderEMail]]))
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return p;
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return nil;
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}
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- (BOOL)isReplySenderAnAttendee {
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return [[self storedReplyAttendee] isNotNull];
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}
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/* action URLs */
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- (id)acceptLink {
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return [[self pathToAttachmentObject] stringByAppendingString:@"/accept"];
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}
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- (id)declineLink {
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return [[self pathToAttachmentObject] stringByAppendingString:@"/decline"];
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}
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- (id)tentativeLink {
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return [[self pathToAttachmentObject] stringByAppendingString:@"/tentative"];
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}
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@end /* UIxMailPartICalViewer */
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