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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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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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let database = Database.sharedInstance
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if database.open() != nil {
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database.createTables()
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}
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registerBGTasksScheduler()
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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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} .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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case .inactive:
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print("App is inactive")
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case .background:
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print("App is in background")
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@unknown default:
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print("Oh - interesting: I received an unexpected new value.")
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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.handleAppRefresh(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.handleProcessingTask(task: task as! BGProcessingTask)
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}
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}
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func scheduleAppRefresh() {
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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 scheduleProcessing() {
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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 handleProcessingTask(task: BGProcessingTask) {
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// Schedule a new refresh task.
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scheduleProcessing()
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// Create an operation that performs the main part of the background task.
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let operation = SampleOperation(text: "handleProcessingTask")
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// Provide the background task with an expiration handler that cancels the operation.
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task.expirationHandler = {
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operation.cancel()
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}
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// Inform the system that the background task is complete
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// when the operation completes.
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operation.completionBlock = {
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task.setTaskCompleted(success: !operation.isCancelled)
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}
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// Start the operation.
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let queue = OperationQueue()
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queue.addOperation(operation)
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}
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func handleAppRefresh(task: BGAppRefreshTask) {
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// Schedule a new refresh task.
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scheduleAppRefresh()
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// Create an operation that performs the main part of the background task.
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let operation = SampleOperation(text: "handleAppRefresh")
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// Provide the background task with an expiration handler that cancels the operation.
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task.expirationHandler = {
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operation.cancel()
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}
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// Inform the system that the background task is complete
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// when the operation completes.
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operation.completionBlock = {
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task.setTaskCompleted(success: !operation.isCancelled)
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}
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// Start the operation.
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let queue = OperationQueue()
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queue.addOperation(operation)
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}
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}
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