162 lines
4.7 KiB
Objective-C
162 lines
4.7 KiB
Objective-C
/*
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Copyright (C) 2008-2013 Inverse inc.
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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 <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 <NGCards/iCalDateTime.h>
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#import <NGCards/iCalEvent.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 "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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- (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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- (NGCalendarDateRange *) firstOccurenceRange
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{
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[self subclassResponsibility: _cmd];
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return nil;
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}
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- (unsigned int) 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, firstEndDate, timeZone;
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BOOL doesOccur;
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int offset;
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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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