139 lines
4.2 KiB
Swift
139 lines
4.2 KiB
Swift
//
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// RootViewController.swift
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// suixinkan
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//
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import SnapKit
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import UIKit
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@MainActor
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/// 应用根 ViewController，根据登录阶段切换子页面并挂载全局 Overlay。
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final class RootViewController: UIViewController {
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private let services: AppServices
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private var currentChild: UIViewController?
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private let restoringView = UIView()
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init(services: AppServices = .shared) {
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self.services = services
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super.init(nibName: nil, bundle: nil)
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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view.backgroundColor = .systemBackground
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restoringView.backgroundColor = .systemBackground
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services.appSession.onChange = { [weak self] in
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self?.handleSessionPhaseChange()
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}
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mountChild(for: services.appSession.phase)
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bootstrapSession()
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configurePushNotifications()
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}
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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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attachGlobalOverlays()
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}
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private func bootstrapSession() {
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Task {
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await services.globalLoading.withLoading {
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await services.sessionBootstrapper.restore(
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appSession: services.appSession,
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accountContext: services.accountContext,
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permissionContext: services.permissionContext,
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profileAPI: services.profileAPI,
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accountContextAPI: services.accountContextAPI,
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toastCenter: services.toastCenter
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)
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}
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if services.appSession.isLoggedIn, !AppUITestLaunchState.isRunningUITests {
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PushNotificationManager.shared.requestAuthorizationAndRegister()
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}
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}
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}
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private func configurePushNotifications() {
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services.configurePushNotifications()
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}
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private func attachGlobalOverlays() {
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guard let window = view.window else { return }
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services.toastCenter.attachToWindow(window)
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services.globalLoading.attachToWindow(window)
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}
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private func handleSessionPhaseChange() {
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mountChild(for: services.appSession.phase)
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switch services.appSession.phase {
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case .loggedIn:
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if !AppUITestLaunchState.isRunningUITests {
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PushNotificationManager.shared.requestAuthorizationAndRegister()
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}
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Task { await reloadScenicSpotContextIfNeeded() }
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case .loggedOut:
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services.accountContext.reset()
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services.permissionContext.reset()
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services.scenicSpotContext.reset()
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services.appRouter.reset()
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services.toastCenter.dismiss()
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services.scenicQueueRuntime.stop()
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case .restoring:
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break
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}
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}
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private func reloadScenicSpotContextIfNeeded() async {
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guard services.appSession.isLoggedIn else {
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services.scenicSpotContext.reset()
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return
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}
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await services.scenicSpotContext.reload(
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scenicId: services.accountContext.currentScenic?.id,
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api: services.accountContextAPI
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)
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}
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private func mountChild(for phase: AuthPhase) {
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let nextChild: UIViewController
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switch phase {
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case .loggedOut:
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nextChild = LoginViewController(services: services)
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case .restoring:
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nextChild = restoringViewController()
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case .loggedIn:
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nextChild = MainTabBarController(services: services)
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}
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guard currentChild !== nextChild else { return }
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currentChild?.willMove(toParent: nil)
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currentChild?.view.removeFromSuperview()
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currentChild?.removeFromParent()
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addChild(nextChild)
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view.addSubview(nextChild.view)
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nextChild.view.snp.makeConstraints { make in
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make.edges.equalToSuperview()
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}
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nextChild.didMove(toParent: self)
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currentChild = nextChild
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}
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private func restoringViewController() -> UIViewController {
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let controller = UIViewController()
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controller.view.backgroundColor = .systemBackground
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return controller
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}
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}
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