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TimeUtil.swift
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TimeUtil.swift
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//
// TimeUtil.swift
// DartApp
//
// Created by Ally Mahmoud on 8/31/17.
// Copyright © 2017 Ally Mahmoud. All rights reserved.
//
import Foundation
struct TimeUtil {
static func timeStamp() -> String{
let currentDate = Date()
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MMM d, yyyy, h:mm:ss a"
return dateFormatter.string(from: currentDate)
}
static func returnDate(stringDate: String) -> Date{
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MMM d, yyyy, h:mm:ss a"
let date = dateFormatter.date(from: stringDate)
return date!
}
static func isValidTicket(oldDateString: String, timeToLive: Double) -> Bool{
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MMM d, yyyy, h:mm:ss a"
let oldDate = dateFormatter.date(from: oldDateString)
let currentTime = self.timeStamp()
let currentDate = dateFormatter.date(from: currentTime)
if let seconds = currentDate?.seconds(from: oldDate!){
print ("seconds" + String(seconds))
if Double(seconds) > timeToLive{
return false
}
else{
return true
}
}else{
return false
}
}
static func calculateTimeAfterSeconds(date: String, seconds: Double) ->String {
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MMM d, yyyy, h:mm:ss a"
let oldDate = dateFormatter.date(from: date)
let newDate = oldDate?.addingTimeInterval(seconds)
let newDateString = dateFormatter.string(from: newDate!)
return newDateString
}
}
extension Date {
/// Returns the amount of years from another date
func years(from date: Date) -> Int {
return Calendar.current.dateComponents([.year], from: date, to: self).year ?? 0
}
/// Returns the amount of months from another date
func months(from date: Date) -> Int {
return Calendar.current.dateComponents([.month], from: date, to: self).month ?? 0
}
/// Returns the amount of weeks from another date
func weeks(from date: Date) -> Int {
return Calendar.current.dateComponents([.weekOfMonth], from: date, to: self).weekOfMonth ?? 0
}
/// Returns the amount of days from another date
func days(from date: Date) -> Int {
return Calendar.current.dateComponents([.day], from: date, to: self).day ?? 0
}
/// Returns the amount of hours from another date
func hours(from date: Date) -> Int {
return Calendar.current.dateComponents([.hour], from: date, to: self).hour ?? 0
}
/// Returns the amount of minutes from another date
func minutes(from date: Date) -> Int {
return Calendar.current.dateComponents([.minute], from: date, to: self).minute ?? 0
}
/// Returns the amount of seconds from another date
func seconds(from date: Date) -> Int {
return Calendar.current.dateComponents([.second], from: date, to: self).second ?? 0
}
}