/* NSCalendarDate+SOGo.m - this file is part of SOGo * * Copyright (C) 2019 Inverse inc. * * This file is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This file 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #import #import #import #import #import #import "NSCalendarDate+SOGo.h" static NSString *rfc822Days[] = {@"Sun", @"Mon", @"Tue", @"Wed", @"Thu", @"Fri", @"Sat"}; static NSString *rfc822Months[] = {@"", @"Jan", @"Feb", @"Mar", @"Apr", @"May", @"Jun", @"Jul", @"Aug" , @"Sep", @"Oct", @"Nov", @"Dec"}; @implementation NSCalendarDate (SOGoExtensions) + (id) dateFromShortDateString: (NSString *) dateString andShortTimeString: (NSString *) timeString inTimeZone: (NSTimeZone *) timeZone { unsigned int year, month, day, hour, minute, total; NSCalendarDate *cDate, *tmpDate; if (timeString && [timeString length] == 4) { total = [timeString intValue]; hour = total / 100; minute = total - (hour * 100); } else { hour = 12; minute = 0; } if (dateString && [dateString length] == 8) { total = [dateString intValue]; year = total / 10000; total -= year * 10000; month = total / 100; day = total - (month * 100); cDate = [self dateWithYear: year month: month day: day hour: hour minute: minute second: 0 timeZone: timeZone]; } else { tmpDate = [NSCalendarDate calendarDate]; [tmpDate setTimeZone: timeZone]; cDate = [self dateWithYear: [tmpDate yearOfCommonEra] month: [tmpDate monthOfYear] day: [tmpDate dayOfMonth] hour: hour minute: minute second: 0 timeZone: timeZone]; } return cDate; } - (BOOL) isDateInSameMonth: (NSCalendarDate *) _other { return (([_other yearOfCommonEra] == [self yearOfCommonEra]) && ([_other monthOfYear] == [self monthOfYear])); } - (NSString *) shortDateString { NSString *str; str = [NSString stringWithFormat: @"%.4d%.2d%.2d", (int)[self yearOfCommonEra], (int)[self monthOfYear], (int)[self dayOfMonth]]; return str; } - (NSCalendarDate *) beginOfDayForUser: (SOGoUser *) user { NSCalendarDate *date; NSTimeZone *timeZone; SOGoUserDefaults *ud; ud = [user userDefaults]; timeZone = [ud timeZone]; [self setTimeZone: timeZone]; date = [self beginOfDay]; date = [date addYear: 0 month: 0 day: 0 hour: 0 - [date hourOfDay] + [ud dayStartHour] minute: 0 - [date minuteOfHour] second: 0]; return date; } - (NSString *) rfc822DateString { int timeZoneShift, tzSeconds; tzSeconds = [[self timeZone] secondsFromGMT]; timeZoneShift = (tzSeconds / 3600); tzSeconds -= timeZoneShift * 3600; timeZoneShift *= 100; timeZoneShift += tzSeconds / 60; return [NSString stringWithFormat: @"%@, %.2d %@ %d %.2d:%.2d:%.2d %+.4d", rfc822Days[[self dayOfWeek]], (int)[self dayOfMonth], rfc822Months[[self monthOfYear]], (int)[self yearOfCommonEra], (int)[self hourOfDay], (int)[self minuteOfHour], (int)[self secondOfMinute], timeZoneShift]; } - (NSString *) iso8601DateString { NSNumber *day, *month, *year, *hour, *minute; int timeZoneHourShift, timeZoneMinuteShift, tzSeconds; char buf[23]; day = [NSNumber numberWithInt: [self dayOfMonth]]; month = [NSNumber numberWithInt: [self monthOfYear]]; year = [NSNumber numberWithInt: [self yearOfCommonEra]]; hour = [NSNumber numberWithInt: [self hourOfDay]]; minute = [NSNumber numberWithInt: [self minuteOfHour]]; memset(buf, 0, 23); tzSeconds = [[self timeZone] secondsFromGMT]; timeZoneHourShift = (tzSeconds / 3600); tzSeconds -= timeZoneHourShift * 3600; timeZoneMinuteShift = tzSeconds / 60; snprintf(buf, 23, "%04d-%02d-%02dT%02d:%02d%+.2d:%02d", [year intValue], [month intValue], [day intValue], [hour intValue], [minute intValue], timeZoneHourShift, timeZoneMinuteShift); return [NSString stringWithCString: buf]; } #define secondsOfDistantFuture 1073741823.0 #define secondsOfDistantPast -1073741823.0 + (id) distantFuture { static NSCalendarDate *date = nil; if (!date) date = [[self alloc] initWithTimeIntervalSinceReferenceDate: secondsOfDistantFuture]; return date; } + (id) distantPast { static NSCalendarDate *date = nil; if (!date) date = [[self alloc] initWithTimeIntervalSinceReferenceDate: secondsOfDistantPast]; return date; } @end