Date Extensions

DateExtensions.swift

extension Date {
    
    func getElapsedInterval() -> String {
        
        let interval = Calendar.current.dateComponents([.year, .month, .day, .hour, .minute, .second], from: self, to: Date())
        
        if let year = interval.year, year > 0 {
            return "\(year) year\(year == 1 ? "" : "s") ago"
        } else if let month = interval.month, month > 0 {
            return "\(month) month\(month == 1 ? "" : "s") ago"
        } else if let day = interval.day, day > 0 {
            return "\(day) day\(day == 1 ? "" : "s") ago"
        } else if let hour = interval.hour, hour > 0 {
            return "\(hour) hour\(hour == 1 ? "" : "s") ago"
        } else if let minute = interval.minute, minute > 0 {
            return "\(minute) minute\(minute == 1 ? "" : "s") ago"
        } else if let second = interval.second, second > 0 {
            return "\(second) second\(second == 1 ? "" : "s") ago"
        } else {
            return "a moment ago"
        }
        
    }
}