99 lines
2.8 KiB
Swift
99 lines
2.8 KiB
Swift
//
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// Copyright 2019 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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//
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import Foundation
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private let httpDateFormatter: DateFormatter = {
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let formatter = DateFormatter()
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formatter.locale = Locale(identifier: "en_US_POSIX")
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formatter.timeZone = TimeZone(secondsFromGMT: 0)
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formatter.dateFormat = "E, dd MMM yyyy HH:mm:ss z"
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return formatter
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}()
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private let internetDateFormatter: ISO8601DateFormatter = {
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let formatter = ISO8601DateFormatter()
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formatter.formatOptions = .withInternetDateTime
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formatter.timeZone = TimeZone(secondsFromGMT: 0)
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return formatter
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}()
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@objc
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public extension NSDate {
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static func ows_parseFromHTTPDateString(_ string: String) -> NSDate? {
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return httpDateFormatter.date(from: string) as NSDate?
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}
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static func ows_parseFromISO8601String(_ string: String) -> NSDate? {
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return internetDateFormatter.date(from: string) as NSDate?
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}
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var ows_millisecondsSince1970: UInt64 {
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return NSDate.ows_millisecondsSince1970(for: self as Date)
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}
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static var distantFutureForMillisecondTimestamp: Date {
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Date.distantFutureForMillisecondTimestamp
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}
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static var distantFutureMillisecondTimestamp: UInt64 {
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Date.distantFutureMillisecondTimestamp
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}
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}
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public extension Date {
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static func ows_parseFromHTTPDateString(_ string: String) -> Date? {
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return NSDate.ows_parseFromHTTPDateString(string) as Date?
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}
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static func ows_parseFromISO8601String(_ string: String) -> Date? {
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return NSDate.ows_parseFromISO8601String(string) as Date?
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}
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var ows_millisecondsSince1970: UInt64 {
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return (self as NSDate).ows_millisecondsSince1970
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}
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static func ows_millisecondTimestamp() -> UInt64 {
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return NSDate.ows_millisecondTimeStamp()
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}
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init(millisecondsSince1970: UInt64) {
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self = NSDate.ows_date(withMillisecondsSince1970: millisecondsSince1970) as Date
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}
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static var distantFutureForMillisecondTimestamp: Date {
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// Pick a value that's representable as both a UInt64 and an NSTimeInterval.
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let millis: UInt64 = 1 << 50
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let result = Date(millisecondsSince1970: millis)
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owsAssertDebug(millis == result.ows_millisecondsSince1970)
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return result
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}
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static var distantFutureMillisecondTimestamp: UInt64 {
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distantFutureForMillisecondTimestamp.ows_millisecondsSince1970
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}
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func isBefore(_ date: Date) -> Bool {
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(self as NSDate).is(before: date)
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}
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var isBeforeNow: Bool {
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(self as NSDate).isBeforeNow()
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}
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func isAfter(_ date: Date) -> Bool {
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(self as NSDate).is(after: date)
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}
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var isAfterNow: Bool {
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(self as NSDate).isAfterNow()
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}
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var formatIntervalSinceNow: String {
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String(format: "%0.3f", abs(timeIntervalSinceNow))
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}
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}
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