Chapter 15 finished

Author: tib

Chapter 15/MyProjectClient/iOS/Sources/Modules/Account/AccountInteractor.swift

@@ -6,12 +6,19 @@
 //
 
 import Foundation
+import Combine
 
-final class AccountInteractor: InteractorInterface {
+final class AccountInteractor: ServiceInteractor, InteractorInterface {
 
     weak var presenter: AccountPresenterInteractorInterface!
 }
 
 extension AccountInteractor: AccountInteractorPresenterInterface {
 
+    func signIn(token: String) -> AnyPublisher<String, Error> {
+        self.services.api.siwa(token: token)
+        .map { $0.value }
+        .mapError { $0 as Error }
+        .eraseToAnyPublisher()
+    }
 }

Chapter 15/MyProjectClient/iOS/Sources/Modules/Account/AccountModule.swift

@@ -6,6 +6,7 @@
 //
 import Foundation
 import UIKit
+import Combine
 
 // MARK: - router
 
@@ -26,18 +27,21 @@ protocol AccountPresenterInteractorInterface: PresenterInteractorInterface {
 protocol AccountPresenterViewInterface: PresenterViewInterface {
     func start()
     func close()
+    func signIn(token: String)
+    func logout()
 }
 
 // MARK: - interactor
 
 protocol AccountInteractorPresenterInterface: InteractorPresenterInterface {
-    
+    func signIn(token: String) -> AnyPublisher<String, Error>
 }
 
 // MARK: - view
 
 protocol AccountViewPresenterInterface: ViewPresenterInterface {
-
+    func displayLogin()
+    func displayLogout()
 }
 
 

Chapter 15/MyProjectClient/iOS/Sources/Modules/Account/AccountPresenter.swift

@@ -6,13 +6,15 @@
 //
 
 import Foundation
+import Combine
 
 final class AccountPresenter: PresenterInterface {
 
     var router: AccountRouterPresenterInterface!
     var interactor: AccountInteractorPresenterInterface!
     weak var view: AccountViewPresenterInterface!
 
+    var operations: [String: AnyCancellable] = [:]
 }
 
 extension AccountPresenter: AccountPresenterRouterInterface {
@@ -26,11 +28,40 @@ extension AccountPresenter: AccountPresenterInteractorInterface {
 extension AccountPresenter: AccountPresenterViewInterface {
 
     func start() {
-
+        let token = UserDefaults.standard.string(forKey: "user-token")
+        if token == nil {
+            self.view.displayLogin()
+        }
+        else {
+            self.view.displayLogout()
+        }
     }
-    
+
     func close() {
         self.router.dismiss()
     }
 
+    func signIn(token: String) {
+        self.operations["siwa"] = self.interactor.signIn(token: token)
+        .receive(on: DispatchQueue.main)
+        .sink(receiveCompletion: { [weak self] completion in
+            switch completion {
+            case .finished:
+                break
+            case .failure(let error):
+                print(error)
+            }
+            self?.operations.removeValue(forKey: "siwa")
+        }) { [weak self] token in
+            UserDefaults.standard.set(token, forKey: "user-token")
+            UserDefaults.standard.synchronize()
+            self?.view.displayLogout()
+        }
+    }
+    
+    func logout() {
+        UserDefaults.standard.set(nil, forKey: "user-token")
+        UserDefaults.standard.synchronize()
+        self.view.displayLogin()
+    }
 }

Chapter 15/MyProjectClient/iOS/Sources/Modules/Account/AccountView.swift

@@ -13,6 +13,7 @@ final class AccountView: UIViewController, ViewInterface {
 
     var presenter: AccountPresenterViewInterface!
     weak var siwaButton: ASAuthorizationAppleIDButton!
+    weak var logoutButton: UIButton!
 
     override func loadView() {
         super.loadView()
@@ -28,6 +29,18 @@ final class AccountView: UIViewController, ViewInterface {
             self.siwaButton.bottomAnchor.constraint(equalTo: self.view.safeAreaLayoutGuide.bottomAnchor, constant: -70.0),
             self.siwaButton.heightAnchor.constraint(equalToConstant: 50.0)
         ])
+        //...
+        let logoutButton = UIButton(type: .system)
+        logoutButton.translatesAutoresizingMaskIntoConstraints = false
+        self.view.addSubview(logoutButton)
+        self.logoutButton = logoutButton
+
+        NSLayoutConstraint.activate([
+            self.logoutButton.leadingAnchor.constraint(equalTo: self.view.safeAreaLayoutGuide.leadingAnchor, constant: 50.0),
+            self.logoutButton.trailingAnchor.constraint(equalTo: self.view.safeAreaLayoutGuide.trailingAnchor, constant: -50.0),
+            self.logoutButton.bottomAnchor.constraint(equalTo: self.view.safeAreaLayoutGuide.bottomAnchor, constant: -70.0),
+            self.logoutButton.heightAnchor.constraint(equalToConstant: 50.0)
+        ])
     }
 
     override func viewDidLoad() {
@@ -37,7 +50,9 @@ final class AccountView: UIViewController, ViewInterface {
         self.view.backgroundColor = .systemBackground
 
         self.navigationItem.rightBarButtonItem = .init(barButtonSystemItem: .close, target: self, action: #selector(self.close))
-        
+            
+        self.logoutButton.setTitle("Logout", for: .normal)
+        self.logoutButton.addTarget(self, action: #selector(self.logout), for: .touchUpInside)
         self.siwaButton.addTarget(self, action: #selector(self.siwa), for: .touchUpInside)
 
         self.presenter.start()
@@ -46,7 +61,11 @@ final class AccountView: UIViewController, ViewInterface {
     @objc func close() {
         self.presenter.close()
     }
-    
+
+    @objc func logout() {
+        self.presenter.logout()
+    }
+
     @objc func siwa() {
         let provider = ASAuthorizationAppleIDProvider()
         let request = provider.createRequest()
@@ -60,6 +79,15 @@ final class AccountView: UIViewController, ViewInterface {
 
 extension AccountView: AccountViewPresenterInterface {
 
+    func displayLogin() {
+        self.siwaButton.isHidden = false
+        self.logoutButton.isHidden = true
+    }
+
+    func displayLogout() {
+        self.siwaButton.isHidden = true
+        self.logoutButton.isHidden = false
+    }
 }
 
 extension AccountView: ASAuthorizationControllerPresentationContextProviding {
@@ -79,7 +107,7 @@ extension AccountView: ASAuthorizationControllerDelegate {
         else {
             return
         }
-        print(token)
+        self.presenter.signIn(token: token)
     }
 
     func authorizationController(controller: ASAuthorizationController,

Chapter 15/MyProjectClient/iOS/Sources/Modules/Root/RootInteractor.swift

@@ -30,7 +30,6 @@ extension RootInteractor: RootInteractorPresenterInterface {
         }
         .mapError { $0 as Error }
         .eraseToAnyPublisher()
-        
     }
 
 }

Chapter 15/MyProjectClient/iOS/Sources/Services/Api/ApiServiceInterface.swift

@@ -20,7 +20,12 @@ struct Page<T: Decodable>: Decodable {
     let items: [T]
 }
 
+struct UserToken: Decodable {
+    let value: String
+}
+
 protocol ApiServiceInterface: ServiceInterface {
 
     func getBlogPosts() -> AnyPublisher<Page<BlogPostListObject>, HTTP.Error>
+    func siwa(token: String) -> AnyPublisher<UserToken, HTTP.Error>
 }

Chapter 15/MyProjectClient/iOS/Sources/Services/Api/MyProject/MyProjectApiService.swift

@@ -45,4 +45,38 @@ final class MyProjectApiService: ApiServiceInterface {
         }
         .eraseToAnyPublisher()
     }
+
+    func siwa(token: String) -> AnyPublisher<UserToken, HTTP.Error> {
+        struct Body: Codable {
+            enum CodingKeys: String, CodingKey {
+                case idToken = "id_token"
+            }
+
+            let idToken: String
+        }
+
+        let url = URL(string: self.baseUrl + "/user/sign-in-with-apple")!
+        var request = URLRequest(url: url)
+        request.httpMethod = HTTP.Method.post.rawValue.uppercased()
+        request.httpBody = try! JSONEncoder().encode(Body(idToken: token))
+        
+        return URLSession.shared.dataTaskPublisher(for: request)
+        .tryMap { data, response in
+            guard let httpResponse = response as? HTTPURLResponse else {
+                throw HTTP.Error.invalidResponse
+            }
+            guard httpResponse.statusCode == 200 else {
+                throw HTTP.Error.statusCode(httpResponse.statusCode)
+            }
+            return data
+        }
+        .decode(type: UserToken.self, decoder: JSONDecoder())
+        .mapError { error -> HTTP.Error in
+            if let httpError = error as? HTTP.Error {
+                return httpError
+            }
+            return HTTP.Error.unknown(error)
+        }
+        .eraseToAnyPublisher()
+    }
 }

Chapter 15/myProject/Sources/App/Extensions/Environment+App.swift

@@ -13,6 +13,7 @@ extension Environment {
     static let awsSecret = Self.get("AWS_SECRET")!
 
     static let siwaId = Self.get("SIWA_ID")!
+    //...
     static let siwaAppId = Self.get("SIWA_APP_ID")!
     static let siwaRedirectUrl = Self.get("SIWA_REDIRECT_URL")!
     static let siwaTeamId = Self.get("SIWA_TEAM_ID")!

Chapter 15/myProject/Sources/App/Modules/User/UserRouter.swift

@@ -21,6 +21,7 @@ struct UserRouter: ViperRouter {
         api.grouped(UserModelCredentialsAuthenticator())
             .post("login", use: self.apiController.login)
 
+        //...
         routes.post("redirect", use: self.controller.signInWithApple)
         api.post("sign-in-with-apple", use: self.apiController.signInWithApple)
     }