Merge pull request #3 from carissafarry/feat/firebase-integration

feat: add login via email and google account

GoogleService-Info.plist

@@ -2,6 +2,10 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http:https://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+ <key>CLIENT_ID</key>
+ <string>447234467571-4ek3ib1q7hiq3cb97dkqdnhhh3b7rk43.apps.googleusercontent.com</string>
+ <key>REVERSED_CLIENT_ID</key>
+ <string>com.googleusercontent.apps.447234467571-4ek3ib1q7hiq3cb97dkqdnhhh3b7rk43</string>
  <key>API_KEY</key>
  <string>AIzaSyAjPNYmjB7efyIJ8UjSz4VEfZA89EWVRr4</string>
  <key>GCM_SENDER_ID</key>

StudyFora.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -9,6 +9,15 @@
  "version" : "1.2022062300.0"
  }
  },
+ {
+ "identity" : "appauth-ios",
+ "kind" : "remoteSourceControl",
+ "location" : "https://github.com/openid/AppAuth-iOS.git",
+ "state" : {
+ "revision" : "71cde449f13d453227e687458144bde372d30fc7",
+ "version" : "1.6.2"
+ }
+ },
  {
  "identity" : "firebase-ios-sdk",
  "kind" : "remoteSourceControl",
@@ -36,6 +45,15 @@
  "version" : "9.2.5"
  }
  },
+ {
+ "identity" : "googlesignin-ios",
+ "kind" : "remoteSourceControl",
+ "location" : "https://github.com/google/GoogleSignIn-iOS",
+ "state" : {
+ "revision" : "7932d33686c1dc4d7df7a919aae47361d1cdfda4",
+ "version" : "7.0.0"
+ }
+ },
  {
  "identity" : "googleutilities",
  "kind" : "remoteSourceControl",
@@ -63,6 +81,15 @@
  "version" : "3.1.1"
  }
  },
+ {
+ "identity" : "gtmappauth",
+ "kind" : "remoteSourceControl",
+ "location" : "https://github.com/google/GTMAppAuth.git",
+ "state" : {
+ "revision" : "cee3c709307912d040bd1e06ca919875a92339c6",
+ "version" : "2.0.0"
+ }
+ },
  {
  "identity" : "interop-ios-for-google-sdks",
  "kind" : "remoteSourceControl",

StudyFora/AppDelegate.swift

@@ -7,12 +7,18 @@
 
 import Foundation
 import Firebase
+import GoogleSignIn
 
 class AppDelegate: NSObject, UIApplicationDelegate {
- func application(_ application: UIApplication,
- didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool {
- FirebaseApp.configure()
-
- return true
- }
+ func application(_ application: UIApplication,
+ didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool {
+ FirebaseApp.configure()
+ return true
+ }
+
+ func application(_ app: UIApplication,
+ open url: URL,
+ options: [UIApplication.OpenURLOptionsKey: Any] = [:]) -> Bool {
+ return GIDSignIn.sharedInstance.handle(url)
+ }
 }

StudyFora/ContentView.swift

@@ -20,6 +20,11 @@ struct ContentView: View {
  router.navigate(to: .register)
  }
  .padding(.top, 12)
+
+ Button("**Login Page**") {
+ router.navigate(to: .login)
+ }
+ .padding(.top, 12)
  }
  .padding()
  }

StudyFora/Core/Enum/ErrorMessageEnum.swift

@@ -0,0 +1,12 @@
+//
+// ErrorMessageEnum.swift
+// StudyFora
+//
+// Created by Carissa Farry Hilmi Az Zahra on 07/01/24.
+//
+
+import Foundation
+
+enum ErrorMessageEnum: Swift.Error {
+ case errorMessage(message:String)
+}

StudyFora/Core/Router/Router.swift

@@ -14,6 +14,8 @@ struct Routes: View {
  switch route {
  case .register:
  RegisterView()
+ case .login:
+ LoginView()
  case .profile:
  ProfileView()
  }
@@ -24,6 +26,7 @@ final class Router: ObservableObject {
 
  public enum Destination: Codable, Hashable {
  case register
+ case login
  case profile
  }
 

StudyFora/Features/Login/Data/RepositoryImpl/LoginRepositoryImpl.swift

@@ -0,0 +1,55 @@
+//
+// LoginRepositoryImpl.swift
+// StudyFora
+//
+// Created by Carissa Farry Hilmi Az Zahra on 06/01/24.
+//
+
+import Foundation
+import FirebaseAuth
+import GoogleSignIn
+
+struct LoginRepositoryImpl: LoginRepository {
+ func login(withEmail data: RegisterRequestModel, completion: @escaping (Result<AuthDataResult, Error>) -> Void) {
+ Auth.auth().signIn(withEmail: data.email, password: data.password) { authResult, error in
+ if let error = error {
+ completion(.failure(error))
+ } else if let authResult = authResult {
+ completion(.success(authResult))
+ } else {
+ fatalError("Unexpected nil value in authResult")
+ }
+ }
+ }
+
+ func login(withCredential credential: AuthCredential, completion: @escaping (Result<AuthDataResult, Error>) -> Void) {
+ Auth.auth().signIn(with: credential) { authResult, error in
+ if let error = error {
+ completion(.failure(error))
+ } else if let authResult = authResult {
+ completion(.success(authResult))
+ } else {
+ fatalError("Unexpected nil value in authResult")
+ }
+ }
+ }
+
+ func signIn(config: GIDConfiguration, presentedUI: UIViewController, completion: @escaping (Result<AuthCredential, Error>) -> Void) {
+
+ GIDSignIn.sharedInstance.signIn(withPresenting: presentedUI) { result, error in
+ guard error == nil else {
+ fatalError(error!.localizedDescription)
+ }
+
+ guard let user = result?.user,
+ let idToken = user.idToken?.tokenString
+ else {
+ fatalError("Error loading user token")
+ }
+
+ let credential = GoogleAuthProvider.credential(withIDToken: idToken, accessToken: user.accessToken.tokenString)
+
+ completion(.success(credential))
+ }
+ }
+}

StudyFora/Features/Login/Domain/Repository/LoginRepository.swift

@@ -0,0 +1,15 @@
+//
+// LoginRepository.swift
+// StudyFora
+//
+// Created by Carissa Farry Hilmi Az Zahra on 06/01/24.
+//
+
+import FirebaseAuth
+import GoogleSignIn
+
+protocol LoginRepository{
+ func login(withEmail data: RegisterRequestModel, completion: @escaping (Result<AuthDataResult, Error>) -> Void)
+ func login(withCredential credential: AuthCredential, completion: @escaping (Result<AuthDataResult, Error>) -> Void)
+ func signIn(config: GIDConfiguration, presentedUI: UIViewController, completion: @escaping (Result<AuthCredential, Error>) -> Void)
+}

StudyFora/Features/Login/Domain/UseCase/CredentialLoginUseCase.swift

@@ -0,0 +1,29 @@
+//
+// CredentialLoginUseCase.swift
+// StudyFora
+//
+// Created by Carissa Farry Hilmi Az Zahra on 07/01/24.
+//
+
+import Foundation
+import Combine
+import FirebaseAuth
+
+struct CredentialLoginUseCase {
+ var repository: LoginRepository
+
+ func execute(credential: AuthCredential) async throws -> AuthDataResult? {
+ return try await withCheckedThrowingContinuation { continuation in
+ repository.login(withCredential: credential) { result in
+ do {
+ let authResult = try result.get()
+ print("User logined with credential successfully!")
+ continuation.resume(returning: authResult)
+ } catch {
+ print("Error login user with credential: \(error.localizedDescription)")
+ continuation.resume(throwing: error)
+ }
+ }
+ }
+ }
+}

StudyFora/Features/Login/Domain/UseCase/EmailLoginUseCase.swift

@@ -0,0 +1,29 @@
+//
+// EmailLoginUseCase.swift
+// StudyFora
+//
+// Created by Carissa Farry Hilmi Az Zahra on 06/01/24.
+//
+
+import Foundation
+import Combine
+import FirebaseAuth
+
+struct EmailLoginUseCase {
+ var repository: LoginRepository
+
+ func execute(data: RegisterRequestModel) async throws -> AuthDataResult? {
+ return try await withCheckedThrowingContinuation { continuation in
+ repository.login(withEmail: data) { result in
+ do {
+ let authResult = try result.get()
+ print("User logined with email successfully!")
+ continuation.resume(returning: authResult)
+ } catch {
+ print("Error login user with email: \(error.localizedDescription)")
+ continuation.resume(throwing: error)
+ }
+ }
+ }
+ }
+}

StudyFora/Features/Login/Domain/UseCase/GoogleLoginUseCase.swift

@@ -0,0 +1,43 @@
+//
+// GoogleLoginUseCase.swift
+// StudyFora
+//
+// Created by Carissa Farry Hilmi Az Zahra on 07/01/24.
+//
+
+import Foundation
+import FirebaseAuth
+import GoogleSignIn
+import FirebaseCore
+
+struct GoogleLoginUseCase {
+ var repository: LoginRepository
+
+ func execute() async throws -> AuthCredential? {
+ guard
+ let clientID = FirebaseApp.app()?.options.clientID,
+ let windowScene = await UIApplication.shared.connectedScenes.first as? UIWindowScene,
+ let rootViewController = await windowScene.windows.first?.rootViewController
+// let rootViewController = await UIApplication.shared.windows.first?.rootViewController
+ else {
+ throw ErrorMessageEnum.errorMessage(message: "No view controller available")
+ }
+
+ // Create Google Sign In configuration object.
+ let config = GIDConfiguration(clientID: clientID)
+ GIDSignIn.sharedInstance.configuration = config
+
+ return try await withCheckedThrowingContinuation { continuation in
+ repository.signIn(config: config, presentedUI: rootViewController) { credential in
+ do {
+ let credential = try credential.get()
+ print("User logined with Google successfully!")
+ continuation.resume(returning: credential)
+ } catch {
+ print("Error login user with Google: \(error.localizedDescription)")
+ continuation.resume(throwing: error)
+ }
+ }
+ }
+ }
+}

StudyFora/Features/Login/Presentation/View/LoginView.swift

@@ -0,0 +1,50 @@
+//
+// LoginView.swift
+// StudyFora
+//
+// Created by Carissa Farry Hilmi Az Zahra on 06/01/24.
+//
+
+import SwiftUI
+import GoogleSignInSwift
+
+struct LoginView: View {
+ @EnvironmentObject var router: Router
+
+ @StateObject var loginViewModel = LoginViewModel(loginRepository: LoginRepositoryImpl())
+
+ @State var email = ""
+ @State var password = ""
+
+ var body: some View {
+ VStack {
+ Text("Login")
+ TextField("Email", text: $email)
+ SecureField("Password", text: $password)
+ Button(action: {
+ Task {
+ await loginViewModel.emailLogin(data: RegisterRequestModel(email: email, password: password))
+ print(email)
+ }
+ }) {
+ Text("Log in")
+ }
+
+ GoogleSignInButton(viewModel: GoogleSignInButtonViewModel(scheme: .light, style: .wide, state: .normal), action: {
+ Task {
+ await loginViewModel.googleLogin()
+ print(email)
+ }
+ })
+
+ Button("Back") {
+ router.navigateBack()
+ }
+ }
+ .padding()
+ }
+}
+
+#Preview {
+ LoginView()
+}