95 lines
3.3 KiB
Swift
95 lines
3.3 KiB
Swift
//
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// Date.swift
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// Mastodon
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//
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// Created by MainasuK Cirno on 2021-6-1.
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//
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import Foundation
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import DateToolsSwift
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extension Date {
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static let relativeTimestampFormatter: RelativeDateTimeFormatter = {
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let formatter = RelativeDateTimeFormatter()
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formatter.dateTimeStyle = .numeric
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formatter.unitsStyle = .full
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return formatter
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}()
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var localizedSlowedTimeAgoSinceNow: String {
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return self.localizedTimeAgo(since: Date(), isSlowed: true, isAbbreviated: true)
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}
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var localizedTimeAgoSinceNow: String {
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return self.localizedTimeAgo(since: Date(), isSlowed: false, isAbbreviated: false)
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}
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func localizedTimeAgo(since date: Date, isSlowed: Bool, isAbbreviated: Bool) -> String {
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let earlierDate = date < self ? date : self
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let latestDate = earlierDate == date ? self : date
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if isSlowed, earlierDate.timeIntervalSince(latestDate) >= -60 {
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return L10n.Common.Controls.Timeline.Timestamp.now
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} else {
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if isAbbreviated {
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return latestDate.localizedShortTimeAgo(since: earlierDate)
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} else {
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return Date.relativeTimestampFormatter.localizedString(for: earlierDate, relativeTo: latestDate)
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}
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}
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}
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}
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extension Date {
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func localizedShortTimeAgo(since date: Date) -> String {
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let earlierDate = date < self ? date : self
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let latestDate = earlierDate == date ? self : date
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let components = Calendar.current.dateComponents([.year, .month, .day, .hour, .minute, .second], from: earlierDate, to: latestDate)
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if components.year! > 0 {
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return L10n.Date.Year.Ago.abbr(components.year!)
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} else if components.month! > 0 {
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return L10n.Date.Month.Ago.abbr(components.month!)
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} else if components.day! > 0 {
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return L10n.Date.Day.Ago.abbr(components.day!)
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} else if components.hour! > 0 {
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return L10n.Date.Hour.Ago.abbr(components.hour!)
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} else if components.minute! > 0 {
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return L10n.Date.Minute.Ago.abbr(components.minute!)
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} else if components.second! > 0 {
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return L10n.Date.Year.Ago.abbr(components.second!)
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} else {
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return ""
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}
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}
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func localizedTimeLeft() -> String {
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let date = Date()
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let earlierDate = date < self ? date : self
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let latestDate = earlierDate == date ? self : date
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let components = Calendar.current.dateComponents([.year, .month, .day, .hour, .minute, .second], from: earlierDate, to: latestDate)
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if components.year! > 0 {
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return L10n.Date.Year.left(components.year!)
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} else if components.month! > 0 {
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return L10n.Date.Month.left(components.month!)
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} else if components.day! > 0 {
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return L10n.Date.Day.left(components.day!)
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} else if components.hour! > 0 {
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return L10n.Date.Hour.left(components.hour!)
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} else if components.minute! > 0 {
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return L10n.Date.Minute.left(components.minute!)
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} else if components.second! > 0 {
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return L10n.Date.Year.left(components.second!)
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} else {
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return ""
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}
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}
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}
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