62 行
2.5 KiB
Swift
62 行
2.5 KiB
Swift
import UserNotifications
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/// 睡前 30 分钟提醒调度器（iOS 使用 UNUserNotificationCenter）
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enum BedtimeReminder {
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static func schedule(store: Store) {
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guard store.agreed, store.bedtimeReminderEnabled else {
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cancel()
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return
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}
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let center = UNUserNotificationCenter.current()
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center.getNotificationSettings { settings in
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guard settings.authorizationStatus == .authorized else { return }
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let triggerDate = calcNextTrigger(bedtimeMinutes: store.bedtimeMinutes)
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let content = UNMutableNotificationContent()
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content.title = "睡了吗 · 就寝提醒"
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content.body = "还有 30 分钟到您的睡觉时间 \(TimeUtil.fmt(store.bedtimeMinutes))，准备休息啦~"
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content.sound = .default
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content.categoryIdentifier = "BEDTIME_REMINDER"
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let comps = Calendar.current.dateComponents([.year, .month, .day, .hour, .minute], from: triggerDate)
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let trigger = UNCalendarNotificationTrigger(dateMatching: comps, repeats: false)
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let request = UNNotificationRequest(identifier: "bedtime_reminder",
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content: content,
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trigger: trigger)
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center.add(request) { error in
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if let e = error { print("BedtimeReminder schedule error: \(e)") }
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}
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}
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}
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static func cancel() {
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UNUserNotificationCenter.current().removePendingNotificationRequests(withIdentifiers: ["bedtime_reminder"])
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}
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/// 计算下一次提醒时间（bedtime 前 30 分钟）
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private static func calcNextTrigger(bedtimeMinutes: Int) -> Date {
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let minutesBefore = 30
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var reminderMin = bedtimeMinutes - minutesBefore
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if reminderMin < 0 { reminderMin += 24 * 60 }
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var cal = Calendar.current
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var comps = cal.dateComponents([.year, .month, .day], from: Date())
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comps.hour = reminderMin / 60
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comps.minute = reminderMin % 60
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comps.second = 0
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var candidate = cal.date(from: comps) ?? Date()
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if candidate <= Date() {
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candidate = cal.date(byAdding: .day, value: 1, to: candidate) ?? candidate
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}
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return candidate
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}
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/// 请求通知权限
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static func requestPermission() {
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UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .sound, .badge]) { _, _ in }
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}
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}
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