[Feat/#91] LoginUseCase

HMH_Tuist_iOS/Projects/Features/LoginFeature/Sources/Refactor_LoginFeature_Combine/Domain/LoginUseCase.swift

@@ -0,0 +1,64 @@
+//
+//  LoginUseCase.swift
+//  LoginFeatureInterface
+//
+//  Created by Seonwoo Kim on 10/9/24.
+//  Copyright © 2024 HMH-iOS. All rights reserved.
+//
+
+import Foundation
+import Combine
+import Core
+import Domain
+
+public enum LoginResponseType {
+    case loginSuccess
+    case loginFailure
+    case noUserInfo
+}
+
+protocol LoginUseCaseType {
+    func requestLogin(platform: String, socialToken: String) -> AnyPublisher<SocialLogineResponseDTO, Error>
+    var loginResponse: CurrentValueSubject<LoginResponseType, Error> { get set }
+}
+
+final class LoginUseCase: LoginUseCaseType {
+
+    public var loginResponse = CurrentValueSubject<LoginResponseType, Error>(.loginFailure)
+
+
+    private var container: DIContainer
+    private var cancelBag = CancelBag()
+
+    init(container: DIContainer) {
+        self.container = container
+    }
+
+    func requestLogin(platform: String, socialToken: String) -> AnyPublisher<Domain.SocialLogineResponseDTO, any Error>  {
+        return container.services.userService.signIn(platform: platform)
+            .handleEvents(receiveOutput: { response in
+                UserManager.shared.socialToken = socialToken
+                UserManager.shared.accessToken = response.data
+                UserManager.shared.refreshToken = response.data
+            })
+            .map { response in
+                handleLoginResponse(statusCode: response.statusCode)
+            }
+            .eraseToAnyPublisher()
+    }
+
+    private func handleLoginResponse(statusCode: Int) -> LoginResponseType {
+        switch statusCode {
+        case 200..<300:
+            self.loginResponse.send(.loginSuccess)
+            return .loginSuccess
+        case 403:
+            self.loginResponse.send(.noUserInfo)
+            return .noUserInfo
+        default:
+            self.loginResponse.send(.loginFailure)
+            return .loginFailure
+        }
+    }
+}
+