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//
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// twogetskillsApp.swift
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// twogetskills
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//
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// Created by Efrain Yanez Recanatini on 1/12/22.
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//
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import SwiftUI
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import BackgroundTasks
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@main
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struct TwoGetSkillsApp: App {
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@UIApplicationDelegateAdaptor(AppDelegate.self) var delegate
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@Environment(\.scenePhase) var scenePhase
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@ObservedObject var syncForeground = SyncForegroundObservableObject()
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private let syncAdapter = SyncAdapter()
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private var appData = AppData.sharedInstance
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init() {
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let coloredAppearance = UINavigationBarAppearance()
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coloredAppearance.configureWithOpaqueBackground()
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coloredAppearance.backgroundColor = UIColor(Color("color_app_bar_backgroud"))
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coloredAppearance.titleTextAttributes = [.foregroundColor: Color("color_app_bar_foreground")]
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coloredAppearance.largeTitleTextAttributes = [.foregroundColor: Color("color_app_bar_foreground")]
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coloredAppearance.backButtonAppearance.normal.titleTextAttributes = [.foregroundColor: Color("color_app_bar_foreground")]
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UINavigationBar.appearance().standardAppearance = coloredAppearance
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UINavigationBar.appearance().compactAppearance = coloredAppearance
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UINavigationBar.appearance().scrollEdgeAppearance = coloredAppearance
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UINavigationBar.appearance().tintColor = UIColor(Color("color_app_bar_foreground"))
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UIPageControl.appearance().currentPageIndicatorTintColor = .systemBlue
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UIPageControl.appearance().pageIndicatorTintColor = .systemGray2
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registerBGTasksScheduler()
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scheduleProcess()
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scheduleRefresh()
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}
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var body: some Scene {
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WindowGroup {
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MainView()
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}
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.onChange(of: scenePhase) { newScenePhase in
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switch newScenePhase {
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case .active:
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print("App is active")
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syncForeground.timer.invalidate()
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syncForeground.timer = Timer.scheduledTimer(timeInterval: 30.0, target: syncAdapter, selector: #selector(syncAdapter.updateTimerForeground), userInfo: nil, repeats: true)
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break
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case .inactive:
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print("App is inactive")
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syncForeground.timer.invalidate()
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break
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case .background:
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print("App is in background")
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syncForeground.timer.invalidate()
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break
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@unknown default:
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print("Oh - interesting: I received an unexpected new value.")
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syncForeground.timer.invalidate()
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break
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}
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}
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}
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func registerBGTasksScheduler() {
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BGTaskScheduler.shared.register(forTaskWithIdentifier: Constants.BACKGROUND_TASK_REFRESH, using: nil) { task in
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self.handleRefreshTask(task: task as! BGAppRefreshTask)
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}
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BGTaskScheduler.shared.register(forTaskWithIdentifier: Constants.BACKGROUND_TASK_PROCESS, using: nil) { task in
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self.handleProcessTask(task: task as! BGProcessingTask)
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}
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}
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func scheduleRefresh() {
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let request = BGAppRefreshTaskRequest(identifier: Constants.BACKGROUND_TASK_REFRESH)
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request.earliestBeginDate = Date(timeIntervalSinceNow: 10 * 60)
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do {
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try BGTaskScheduler.shared.submit(request)
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} catch {
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print("Could not schedule app refresh: \(error)")
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}
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}
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func scheduleProcess() {
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let request = BGProcessingTaskRequest(identifier: Constants.BACKGROUND_TASK_PROCESS)
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request.earliestBeginDate = Date(timeIntervalSinceNow: 10 * 60)
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request.requiresNetworkConnectivity = true
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request.requiresExternalPower = false
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do {
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try BGTaskScheduler.shared.submit(request)
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} catch {
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print("Could not schedule processing: \(error)")
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}
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}
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func handleProcessTask(task: BGProcessingTask) {
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scheduleProcess()
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let syncAdapter = SyncAdapter()
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syncAdapter.sync { success in
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task.setTaskCompleted(success: success)
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}
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/*
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task.expirationHandler = {
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task.setTaskCompleted(success: false)
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}
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*/
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task.setTaskCompleted(success: true)
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}
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func handleRefreshTask(task: BGAppRefreshTask) {
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scheduleRefresh()
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let syncAdapter = SyncAdapter()
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if syncAdapter.isCheckChangesRequired() {
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syncAdapter.checkChanges(isForeground: false) { success in
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task.setTaskCompleted(success: success)
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}
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} else {
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task.expirationHandler = {
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task.setTaskCompleted(success: false)
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}
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}
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task.setTaskCompleted(success: true)
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}
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}
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class SyncForegroundObservableObject: ObservableObject
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{
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@Published var timer : Timer = Timer()
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}
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