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Swift extension on NSTimeInterval and NSDate to make NSDate Comparable and to make working with dates in general more concise
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| /* | |
| Examples: | |
| var date: NSDate | |
| date = 10.seconds.fromNow | |
| date = 30.minutes.ago | |
| date = 2.days.from(someDate) | |
| date = NSDate() + 3.days | |
| if dateOne < dateTwo { | |
| // dateOne is older than dateTwo | |
| } | |
| if dateOne > dateTwo { | |
| // dateOne is more recent than dateTwo | |
| } | |
| if dateOne <= dateTwo { | |
| // dateOne is older than or equal to dateTwo | |
| } | |
| if dateOne >= dateTwo { | |
| // dateOne is more recent or equal to dateTwo | |
| } | |
| if dateOne == dateTwo { | |
| // dateOne is equal to dateTwo | |
| } | |
| */ | |
| extension NSDate: Comparable { | |
| } | |
| func + (date: NSDate, timeInterval: NSTimeInterval) -> NSDate { | |
| return date.dateByAddingTimeInterval(timeInterval) | |
| } | |
| public func ==(lhs: NSDate, rhs: NSDate) -> Bool { | |
| if lhs.compare(rhs) == .OrderedSame { | |
| return true | |
| } | |
| return false | |
| } | |
| public func <(lhs: NSDate, rhs: NSDate) -> Bool { | |
| if lhs.compare(rhs) == .OrderedAscending { | |
| return true | |
| } | |
| return false | |
| } | |
| extension NSTimeInterval { | |
| var second: NSTimeInterval { | |
| return self.seconds | |
| } | |
| var seconds: NSTimeInterval { | |
| return self | |
| } | |
| var minute: NSTimeInterval { | |
| return self.minutes | |
| } | |
| var minutes: NSTimeInterval { | |
| let secondsInAMinute = 60 as NSTimeInterval | |
| return self * minutesInASecond | |
| } | |
| var day: NSTimeInterval { | |
| return self.days | |
| } | |
| var days: NSTimeInterval { | |
| let secondsInADay = 86_400 as NSTimeInterval | |
| return self * secondsInADay | |
| } | |
| var fromNow: NSDate { | |
| let timeInterval = self | |
| return NSDate().dateByAddingTimeInterval(timeInterval) | |
| } | |
| func from(date: NSDate) -> NSDate { | |
| let timeInterval = self | |
| return date.dateByAddingTimeInterval(timeInterval) | |
| } | |
| var ago: NSDate { | |
| let timeInterval = self | |
| return NSDate().dateByAddingTimeInterval(-timeInterval) | |
| } | |
| } |
Should be divided by instead of multiplied as well.
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I think there's a typo error on these lines:
you need to use the secondsInAMinute variable.