Allow the user to pick a HomeCoordinator instead of choosing them on its own

Author: pauljohanneskraft

XCoordinator-Example/Coordinators/AppCoordinator.swift

@@ -6,21 +6,17 @@
 //  Copyright © 2018 QuickBird Studios. All rights reserved.
 //
 
-import Foundation
+import UIKit
 import XCoordinator
 
 enum AppRoute: Route {
     case login
-    case home
+    case home(StrongRouter<HomeRoute>?)
     case newsDetail(News)
 }
 
 class AppCoordinator: NavigationCoordinator<AppRoute> {
 
-    // MARK: Stored properties
-
-    private var homeRouteTriggerCount = 0
-
     // MARK: Initialization
 
     init() {
@@ -36,20 +32,37 @@ class AppCoordinator: NavigationCoordinator<AppRoute> {
             let viewModel = LoginViewModelImpl(router: unownedRouter)
             viewController.bind(to: viewModel)
             return .push(viewController)
-        case .home:
-            let presentables: [() -> Presentable] = [
-                { HomeTabCoordinator() },
-                { HomeSplitCoordinator() },
-                { HomePageCoordinator() }
-            ]
-            let presentable = presentables[homeRouteTriggerCount % presentables.count]()
-            homeRouteTriggerCount = (homeRouteTriggerCount + 1) % presentables.count
-            return .presentFullScreen(presentable, animation: .fade)
+        case let .home(router):
+            if let router = router {
+                return .presentFullScreen(router, animation: .fade)
+            }
+            let alert = UIAlertController(
+                title: "How would you like to login?",
+                message: "Please choose the type of coordinator used for the `Home` scene.",
+                preferredStyle: .alert)
+            alert.addAction(
+                .init(title: "\(HomeTabCoordinator.self)", style: .default) { [unowned self] _ in
+                    self.trigger(.home(HomeTabCoordinator().strongRouter))
+                }
+            )
+            alert.addAction(
+                .init(title: "\(HomeSplitCoordinator.self)", style: .default) { [unowned self] _ in
+                    self.trigger(.home(HomeSplitCoordinator().strongRouter))
+                }
+            )
+            alert.addAction(
+                .init(title: "\(HomePageCoordinator.self)", style: .default) { [unowned self] _ in
+                    self.trigger(.home(HomePageCoordinator().strongRouter))
+                }
+            )
+            return .present(alert)
         case .newsDetail(let news):
             return .multiple(
                 .dismissAll(),
                 .popToRoot(),
-                deepLink(AppRoute.home, HomeRoute.news, NewsRoute.newsDetail(news))
+                deepLink(AppRoute.home(HomePageCoordinator().strongRouter),
+                         HomeRoute.news,
+                         NewsRoute.newsDetail(news))
             )
         }
     }

XCoordinator-Example/Scenes/Login/LoginViewModelImpl.swift

@@ -19,7 +19,7 @@ class LoginViewModelImpl: LoginViewModel, LoginViewModelInput, LoginViewModelOut
     // MARK: Actions
 
     private lazy var loginAction = CocoaAction { [unowned self] in
-        self.router.rx.trigger(.home)
+        self.router.rx.trigger(.home(nil))
     }
 
     // MARK: Stored properties