92 lines
2.6 KiB
Swift
92 lines
2.6 KiB
Swift
//
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// DeepLinkController.swift
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// Delta
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//
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// Created by Riley Testut on 12/28/17.
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// Copyright © 2017 Riley Testut. All rights reserved.
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//
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import UIKit
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extension Notification.Name
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{
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static let deepLinkControllerLaunchGame = Notification.Name("deepLinkControllerLaunchGame")
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}
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extension UIViewController
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{
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var allowsDeepLinkingDismissal: Bool {
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return true
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}
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}
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struct DeepLinkController
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{
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private var window: UIWindow? {
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if #available(iOS 13, *)
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{
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guard let delegate = UIApplication.shared.connectedScenes.lazy.compactMap({ $0.delegate as? UIWindowSceneDelegate }).first, let window = delegate.window else { return nil }
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return window
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}
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else
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{
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guard let delegate = UIApplication.shared.delegate, let window = delegate.window else { return nil }
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return window
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}
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}
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private var topViewController: UIViewController? {
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guard let window = self.window else { return nil }
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var topViewController = window.rootViewController
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while topViewController?.presentedViewController != nil
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{
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guard !(topViewController?.presentedViewController is UIAlertController) else { break }
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topViewController = topViewController?.presentedViewController
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}
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return topViewController
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}
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}
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extension DeepLinkController
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{
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@discardableResult func handle(_ deepLink: DeepLink) -> Bool
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{
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guard let action = deepLink.action else { return false }
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switch action
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{
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case .launchGame(let identifier): return self.launchGame(withIdentifier: identifier)
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}
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}
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}
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private extension DeepLinkController
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{
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func launchGame(withIdentifier identifier: String) -> Bool
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{
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guard let topViewController = self.topViewController, topViewController.allowsDeepLinkingDismissal else { return false }
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let fetchRequest: NSFetchRequest<Game> = Game.fetchRequest()
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fetchRequest.predicate = NSPredicate(format: "%K == %@", #keyPath(Game.identifier), identifier)
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fetchRequest.returnsObjectsAsFaults = false
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do
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{
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guard let game = try DatabaseManager.shared.viewContext.fetch(fetchRequest).first else { return false }
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NotificationCenter.default.post(name: .deepLinkControllerLaunchGame, object: self, userInfo: [DeepLink.Key.game: game])
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}
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catch
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{
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print(error)
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return false
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}
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return true
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}
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}
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