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Prettify swift date relative to now: "In 20 seconds", "A year ago", "Tomorrow", "Yesterday", etc.
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| func prettifyDate(date:NSDate, numericDates:Bool) -> String { | |
| let calendar = NSCalendar.currentCalendar() | |
| let unitFlags = NSCalendarUnit.CalendarUnitMinute | NSCalendarUnit.CalendarUnitHour | NSCalendarUnit.CalendarUnitDay | NSCalendarUnit.CalendarUnitWeekOfYear | NSCalendarUnit.CalendarUnitMonth | NSCalendarUnit.CalendarUnitYear | NSCalendarUnit.CalendarUnitSecond | |
| let now = NSDate() | |
| let earliest = now.earlierDate(date) | |
| let latest = (earliest == now) ? date : now | |
| let components:NSDateComponents = calendar.components(unitFlags, fromDate: earliest, toDate: latest, options: nil) | |
| let past = earliest == date | |
| if (components.year >= 2) { | |
| return past ? "\(components.year) years ago" : "In \(components.year) years" | |
| } else if (components.year >= 1){ | |
| if (numericDates){ | |
| return past ? "1 year ago" : "In 1 year" | |
| } else { | |
| return past ? "Last year" : "In a year" | |
| } | |
| } else if (components.month >= 2) { | |
| return past ? "\(components.month) months ago" : "In \(components.month) months" | |
| } else if (components.month >= 1){ | |
| if (numericDates){ | |
| return past ? "1 month ago" : "In 1 month" | |
| } else { | |
| return past ? "Last month" : "In a month" | |
| } | |
| } else if (components.weekOfYear >= 2) { | |
| return past ? "\(components.weekOfYear) weeks ago" : "In \(components.weekOfYear) weeks" | |
| } else if (components.weekOfYear >= 1){ | |
| if (numericDates){ | |
| return past ? "1 week ago" : "In 1 week" | |
| } else { | |
| return past ? "Last week" : "In a week" | |
| } | |
| } else if (components.day >= 2) { | |
| return past ? "\(components.day) days ago" : "In \(components.day) days" | |
| } else if (components.day >= 1){ | |
| if (numericDates){ | |
| return past ? "1 day ago" : "In 1 day" | |
| } else { | |
| return past ? "Yesterday" : "Tomorrow" | |
| } | |
| } else if (components.hour >= 2) { | |
| return past ? "\(components.hour) hours ago" : "In \(components.hour) hours" | |
| } else if (components.hour >= 1){ | |
| if (numericDates){ | |
| return past ? "1 hour ago" : "In 1 hour" | |
| } else { | |
| return past ? "An hour ago" : "In an hour" | |
| } | |
| } else if (components.minute >= 2) { | |
| return "\(components.minute) minutes ago" | |
| } else if (components.minute >= 1){ | |
| if (numericDates){ | |
| return past ? "1 minute ago" : "In 1 minute" | |
| } else { | |
| return past ? "A minute ago" : "In a minute" | |
| } | |
| } else if (components.second >= 3) { | |
| return past ? "\(components.second) seconds ago" : "In \(components.second) seconds" | |
| } else { | |
| return "Just now" | |
| } | |
| } |
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