334 lines
11 KiB
Objective-C
334 lines
11 KiB
Objective-C
/* iCalRepeatableEntityObject+SOGo.m - this file is part of SOGo
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*
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* Copyright (C) 2007-2015 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/NSCalendarDate.h>
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#import <Foundation/NSDictionary.h>
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#import <Foundation/NSString.h>
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#import <Foundation/NSTimeZone.h>
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#import <Foundation/NSValue.h>
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#import <NGCards/iCalByDayMask.h>
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#import <NGCards/iCalDateTime.h>
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#import <NGCards/iCalEvent.h>
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#import <NGCards/iCalPerson.h>
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#import <NGCards/iCalRecurrenceRule.h>
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#import <NGCards/iCalRecurrenceCalculator.h>
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#import <NGCards/iCalTimeZone.h>
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#import <NGCards/NSString+NGCards.h>
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#import <NGCards/NSDictionary+NGCards.h>
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#import <NGExtensions/NGCalendarDateRange.h>
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#import <SoObjects/SOGo/SOGoUser.h>
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#import <SoObjects/SOGo/SOGoUserDefaults.h>
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#import <SoObjects/SOGo/WOContext+SOGo.h>
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#import <SOGo/NSCalendarDate+SOGo.h>
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#import "iCalRepeatableEntityObject+SOGo.h"
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@implementation iCalRepeatableEntityObject (SOGoExtensions)
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- (NSArray *) _indexedRules: (NSArray *) rules
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{
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NSMutableArray *ma;
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NSUInteger i, count;
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NSMutableString *ruleString;
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iCalRecurrenceRule *rule;
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#warning we could return an NSArray instead and feed it as such to the iCalRecurrenceRule in SOGoAppointmentFolder...
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ma = nil;
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count = [rules count];
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if (count > 0)
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{
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ma = [NSMutableArray arrayWithCapacity: count];
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for (i = 0; i < count; i++)
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{
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rule = [rules objectAtIndex:i];
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ruleString = [NSMutableString new];
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[[rule values] versitRenderInString: ruleString
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withKeyOrdering: [rule orderOfValueKeys]
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asAttributes: NO];
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[ma addObject: ruleString];
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[ruleString release];
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}
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}
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return ma;
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}
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/**
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* @see [iCalEntityObject+SOGo attributes]
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* @see [iCalEvent+SOGo attributes]
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* @see [UIxAppointmentEditor viewAction]
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*/
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- (NSDictionary *) attributesInContext: (WOContext *) context
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{
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NSArray *rules;
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NSCalendarDate *untilDate;
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NSMutableDictionary *data, *repeat;
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NSString *frequency;
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NSTimeZone *timeZone;
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SOGoUserDefaults *ud;
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iCalRecurrenceRule *rule;
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data = [NSMutableDictionary dictionaryWithDictionary: [super attributesInContext: context]];
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rules = [self recurrenceRules];
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if ([rules count] > 0)
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{
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rule = [rules objectAtIndex: 0];
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frequency = [rule frequencyForValue: [rule frequency]];
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repeat = [NSMutableDictionary dictionary];
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[repeat setObject: [frequency lowercaseString] forKey: @"frequency"];
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[repeat setObject: [NSNumber numberWithInt: [rule repeatInterval]] forKey: @"interval"];
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if ([rule repeatCount])
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[repeat setObject: [NSNumber numberWithInt: [rule repeatCount]] forKey: @"count"];
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if ((untilDate = [rule untilDate]))
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{
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ud = [[context activeUser] userDefaults];
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timeZone = [ud timeZone];
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[untilDate setTimeZone: timeZone];
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[repeat setObject: [untilDate iso8601DateString] forKey: @"until"];
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}
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if ([[rule byDay] length])
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[repeat setObject: [[rule byDayMask] asRuleArray] forKey: @"days"];
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if ([[rule byMonthDay] count])
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[repeat setObject: [rule byMonthDay] forKey: @"monthdays"];
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if ([[rule byMonth] count])
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[repeat setObject: [rule byMonth] forKey: @"months"];
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[data setObject: repeat forKey: @"repeat"];
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}
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return data;
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}
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/**
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* @see [iCalEntityObject+SOGo setAttributes:inContext:]
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* @see [UIxAppointmentEditor saveAction]
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*/
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- (void) setAttributes: (NSDictionary *) data
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inContext: (WOContext *) context
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{
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iCalRecurrenceRule *rule;
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iCalRecurrenceFrequency frequency;
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NSCalendarDate *date;
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SOGoUserDefaults *ud;
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id repeat, o;
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[super setAttributes: data inContext: context];
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if ([self recurrenceId])
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// Occurrence of a recurrent object can't have a recurrence rule
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return;
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repeat = [data objectForKey: @"repeat"];
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if ([repeat isKindOfClass: [NSDictionary class]])
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{
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rule = [iCalRecurrenceRule new];
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[rule setInterval: @"1"];
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frequency = NSNotFound;
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o = [repeat objectForKey: @"frequency"];
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if ([o isKindOfClass: [NSString class]])
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{
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frequency = [rule valueForFrequency: o];
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if ((NSUInteger) frequency == NSNotFound)
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{
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if ([o caseInsensitiveCompare: @"BI-WEEKLY"] == NSOrderedSame)
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{
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frequency = iCalRecurrenceFrequenceWeekly;
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[rule setInterval: @"2"];
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}
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else if ([o caseInsensitiveCompare: @"EVERY WEEKDAY"] == NSOrderedSame)
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{
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frequency = iCalRecurrenceFrequenceDaily;
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[rule setByDayMask: [iCalByDayMask byDayMaskWithWeekDays]];
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}
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}
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else
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{
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o = [repeat objectForKey: @"interval"];
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if ([o isKindOfClass: [NSNumber class]])
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[rule setInterval: [NSString stringWithFormat: @"%i", [o intValue]]];
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o = [repeat objectForKey: @"count"];
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if ([o isKindOfClass: [NSNumber class]])
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[rule setRepeatCount: [o intValue]];
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o = [repeat objectForKey: @"until"];
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if ([o isKindOfClass: [NSString class]])
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{
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date = [NSCalendarDate dateWithString: o
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calendarFormat: @"%Y-%m-%d"];
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if (date)
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{
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// Adjust timezone
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ud = [[context activeUser] userDefaults];
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date = [NSCalendarDate dateWithYear: [date yearOfCommonEra]
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month: [date monthOfYear]
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day: [date dayOfMonth]
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hour: 0 minute: 0 second: 0
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timeZone: [ud timeZone]];
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[rule setUntilDate: date];
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}
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}
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o = [repeat objectForKey: @"days"];
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if ([o isKindOfClass: [NSArray class]])
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[rule setByDayMask: [iCalByDayMask byDayMaskWithDaysAndOccurrences: o]];
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o = [repeat objectForKey: @"monthdays"];
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if ([o isKindOfClass: [NSArray class]])
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[rule setValues: o atIndex: 0 forKey: @"bymonthday"];
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o = [repeat objectForKey: @"months"];
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if ([o isKindOfClass: [NSArray class]])
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[rule setValues: o atIndex: 0 forKey: @"bymonth"];
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}
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if ((NSUInteger) frequency != NSNotFound)
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{
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[rule setFrequency: frequency];
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[self setRecurrenceRules: [NSArray arrayWithObject: rule]];
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}
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[rule release];
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}
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}
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else if ([self hasRecurrenceRules])
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{
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[self removeAllRecurrenceRules];
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}
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}
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- (NSString *) cycleInfo
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{
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NSArray *rules;
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NSString *value;
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NSMutableDictionary *cycleInfo;
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if ([self isRecurrent])
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{
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cycleInfo = [NSMutableDictionary dictionaryWithCapacity: 3];
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/* rules */
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rules = [self _indexedRules: [self recurrenceRules]];
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if (rules)
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[cycleInfo setObject: rules forKey: @"rules"];
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rules = [self _indexedRules: [self exceptionRules]];
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if (rules)
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[cycleInfo setObject: rules forKey: @"exRules"];
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rules = [self exceptionDates];
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if ([rules count])
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[cycleInfo setObject: rules forKey: @"exDates"];
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value = [cycleInfo description];
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}
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else
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value = nil;
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return value;
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}
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/**
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* Extract the start and end dates from the event, from which all recurrence
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* calculations will be based on.
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* @return the range of the first occurrence.
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*/
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- (NGCalendarDateRange *) firstOccurenceRange
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{
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NSCalendarDate *start, *end;
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NGCalendarDateRange *firstRange;
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NSArray *dates;
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firstRange = nil;
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dates = [[[self uniqueChildWithTag: @"dtstart"] valuesForKey: @""] lastObject];
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if ([dates count] > 0)
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{
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start = [[dates lastObject] asCalendarDate]; // ignores timezone
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end = [start addTimeInterval: [self occurenceInterval]];
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firstRange = [NGCalendarDateRange calendarDateRangeWithStartDate: start
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endDate: end];
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}
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return firstRange;
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}
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- (NSTimeInterval) occurenceInterval
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{
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[self subclassResponsibility: _cmd];
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return 0;
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}
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/**
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* Checks if a date is part of the recurring entity.
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* @param theOccurrenceDate the date to verify.
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* @see [SOGoAppointmentFolder _flattenCycleRecord:forRange:intoArray:]
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* @return true if the occurence date is part of the recurring entity.
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*/
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- (BOOL) doesOccurOnDate: (NSCalendarDate *) theOccurenceDate
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{
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NSArray *ranges;
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NGCalendarDateRange *checkRange, *firstRange;
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NSCalendarDate *startDate, *endDate;
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id firstStartDate, timeZone;
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BOOL doesOccur;
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doesOccur = [self isRecurrent];
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if (doesOccur)
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{
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// Retrieve the range of the first event
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firstRange = [self firstOccurenceRange]; // returns GMT dates
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// Set the range to check with respect to the event timezone (extracted from the start date)
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firstStartDate = (iCalDateTime *)[self uniqueChildWithTag: @"dtstart"];
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timeZone = [(iCalDateTime *)firstStartDate timeZone];
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if (timeZone)
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startDate = [(iCalTimeZone *)timeZone computedDateForDate: theOccurenceDate];
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else
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startDate = theOccurenceDate;
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endDate = [startDate addTimeInterval: [self occurenceInterval]];
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checkRange = [NGCalendarDateRange calendarDateRangeWithStartDate: startDate
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endDate: endDate];
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// Calculate the occurrences for the given date
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ranges = [iCalRecurrenceCalculator recurrenceRangesWithinCalendarDateRange: checkRange
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firstInstanceCalendarDateRange: firstRange
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recurrenceRules: [self recurrenceRulesWithTimeZone: timeZone]
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exceptionRules: [self exceptionRulesWithTimeZone: timeZone]
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exceptionDates: [self exceptionDatesWithTimeZone: timeZone]];
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doesOccur = [ranges dateRangeArrayContainsDate: startDate];
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}
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return doesOccur;
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}
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@end
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