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+//
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+// Timers.swift
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+// LoopFollow
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+//
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+// Created by Jon Fawcett on 9/3/20.
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+// Copyright © 2020 Jon Fawcett. All rights reserved.
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+//
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+
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+import Foundation
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+import UIKit
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+
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+
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+extension MainViewController {
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+
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+
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+
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+ // min Ago Timer
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+ func startMinAgoTimer(time: TimeInterval) {
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+ minAgoTimer = Timer.scheduledTimer(timeInterval: time,
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+ target: self,
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+ selector: #selector(MainViewController.minAgoTimerDidEnd(_:)),
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+ userInfo: nil,
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+ repeats: true)
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+ }
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+
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+ // Updates Min Ago display
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+ @objc func minAgoTimerDidEnd(_ timer:Timer) {
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+
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+ // print("min ago timer ended")
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+ if bgData.count > 0 {
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+ let bgSeconds = bgData.last!.date
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+ let now = Date().timeIntervalSince1970
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+ let secondsAgo = now - bgSeconds
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+
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+ // Update Min Ago Displays
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+ let formatter = DateComponentsFormatter()
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+ formatter.unitsStyle = .positional // Use the appropriate positioning for the current locale
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+
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+ if secondsAgo < 270 {
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+ formatter.allowedUnits = [ .minute] // Units to display in the formatted string
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+ } else {
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+ formatter.allowedUnits = [ .minute, .second] // Units to display in the formatted string
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+ }
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+
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+
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+ //formatter.zeroFormattingBehavior = [ .pad ] // Pad with zeroes where appropriate for the locale
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+ let formattedDuration = formatter.string(from: secondsAgo)
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+
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+ MinAgoText.text = formattedDuration ?? ""
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+ MinAgoText.text! += " min ago"
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+ latestMinAgoString = formattedDuration ?? ""
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+ latestMinAgoString += " min ago"
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+
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+ guard let snoozer = self.tabBarController!.viewControllers?[2] as? SnoozeViewController else { return }
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+ snoozer.MinAgoLabel.text = formattedDuration ?? ""
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+ snoozer.MinAgoLabel.text! += " min ago"
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+ } else {
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+ MinAgoText.text = ""
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+ latestMinAgoString = ""
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+
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+ guard let snoozer = self.tabBarController!.viewControllers?[2] as? SnoozeViewController else { return }
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+ snoozer.MinAgoLabel.text = ""
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+ }
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+
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+ }
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+
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+ // Main Download Timer
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+ func startTimer(time: TimeInterval) {
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+ timer = Timer.scheduledTimer(timeInterval: time,
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+ target: self,
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+ selector: #selector(MainViewController.timerDidEnd(_:)),
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+ userInfo: nil,
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+ repeats: true)
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+ }
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+
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+ // Check for new data when timer ends
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+ @objc func timerDidEnd(_ timer:Timer) {
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+ nightscoutLoader()
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+ }
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+
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+ // Runs a 60 second timer when an alarm is snoozed
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+ // Prevents the alarm from triggering again while saving the snooze time to settings
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+ // End function needs nothing done
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+ func startCheckAlarmTimer(time: TimeInterval = 60) {
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+
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+ checkAlarmTimer = Timer.scheduledTimer(timeInterval: time,
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+ target: self,
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+ selector: #selector(MainViewController.checkAlarmTimerDidEnd(_:)),
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+ userInfo: nil,
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+ repeats: false)
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+ }
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+
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+ @objc func checkAlarmTimerDidEnd(_ timer:Timer) {
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+ }
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+
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+ // Cancel and reset the playing alarm if it has not been snoozed after 4 min 50 seconds.
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+ // This allows the next BG reading to either start the timer going or not fire if the situation has been resolved
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+ func startAlarmPlayingTimer(time: TimeInterval = 290) {
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+ let alarmPlayingTimer = Timer.scheduledTimer(timeInterval: time,
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+ target: self,
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+ selector: #selector(MainViewController.alarmPlayingTimerDidEnd(_:)),
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+ userInfo: nil,
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+ repeats: false)
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+ }
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+
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+ @objc func alarmPlayingTimerDidEnd(_ timer:Timer) {
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+ if AlarmSound.isPlaying {
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+ stopAlarmAtNextReading()
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+ }
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+ }
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+
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+ // NS Loader Timer
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+ func startViewTimer(time: TimeInterval) {
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+ viewTimer = Timer.scheduledTimer(timeInterval: time,
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+ target: self,
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+ selector: #selector(MainViewController.viewTimerDidEnd(_:)),
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+ userInfo: nil,
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+ repeats: false)
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+
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+ }
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+
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+ // This delays a few things to hopefully all all data to arrive.
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+ @objc func viewTimerDidEnd(_ timer:Timer) {
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+ if bgData.count > 0 {
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+ self.checkAlarms(bgs: bgData)
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+ //self.updateMinAgo()
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+ // self.updateBadge(val: bgData[bgData.count - 1].sgv)
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+ //self.viewUpdateNSBG()
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+ if UserDefaultsRepository.writeCalendarEvent.value {
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+ self.writeCalendar()
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+ }
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+ }
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+ }
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+
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+ // Timer to allow us to write min ago calendar entries but not update them every 30 seconds
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+ func startCalTimer(time: TimeInterval) {
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+ calTimer = Timer.scheduledTimer(timeInterval: time,
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+ target: self,
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+ selector: #selector(MainViewController.calTimerDidEnd(_:)),
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+ userInfo: nil,
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+ repeats: false)
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+ }
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+
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+ // Nothing should be done when this timer ends because it just blocks the calendar from writing when it's active
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+ @objc func calTimerDidEnd(_ timer:Timer) {
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+
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+ }
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+
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+}
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Jon Fawcett