Feat: 온보딩 서버 통신 구현 (#T3-102)

* Style: 통일성을 위한 폴더명 변경

* Refactor: BaseViewController 및 ViewModel에 public 접근제어자 삭제

* Refactor: NetworkService 리팩토링

- BaseResponseDTO DataSource에서 Network 모듈로 이관
- T 타입 반환에서 T? 타입 반환으로 수정 (EmptyResponse 대응)
- Server Message 출력

* Feat: 온보딩 선택지 등록 및 추천 루틴 받기 구현 (#T3-102)

- OnboardingEndpoint 정의
- OnboardingRepositoryProtocol · OnboardingRepository 구현
- OnboardingUseCaseProtocol · OnboardingUseCase 구현

* Feat: Onboarding 관련 의존성 조립 (#T3-102)

- DataSource, Domain, Presentaion 레이어에서 OnboardingRepository, OnboardingUseCase, OnboardingViewModel 의존성 등록

* Feat: 로그인 결과에 따른 이용약관 vs 온보딩 화면 분기 처리

* Feat: CustomFontStyle 추가

- 디자인 시스템에 정의되어 있는 폰트 외에도 정의해서 사용할 수 있도록 custom 케이스 추가

* Feat: 온보딩 선택 결과 바탕으로 추천 받은 루틴 등록 구현 (#T3-102)

* Refactor: AuthRepository do-catch 블록 수정

* Refactor: 의존성 없을 시 fatalError 발생하도록 수정

* Refactor: 온보딩 선택지 Dictonary 변경 로직 수정

Author: choijungp

Projects/DataSource/Sources/Common/DataSourceDependencyAssembler.swift

@@ -25,13 +25,17 @@ public struct DataSourceDependencyAssembler: DependencyAssemblerProtocol {
             let networkService = DIContainer.shared.resolve(type: NetworkServiceProtocol.self),
             let keychainStorage = DIContainer.shared.resolve(type: KeychainStorageProtocol.self),
             let userDefaultsStorage = DIContainer.shared.resolve(type: UserDefaultsStorageProtocol.self)
-        else { return }
+        else { fatalError("networkService, keychainStorage, userDefaultsStorage 의존성이 등록되지 않았습니다.") }
 
         DIContainer.shared.register(type: AuthRepositoryProtocol.self) { _ in
             return AuthRepository(
                 networkService: networkService,
                 keychainStorage: keychainStorage,
                 userDefaultsStorage: userDefaultsStorage)
         }
+
+        DIContainer.shared.register(type: OnboardingRepositoryProtocol.self) { _ in
+            return OnboardingRepository(networkService: networkService, keychainStorage: keychainStorage)
+        }
     }
 }

Projects/DataSource/Sources/Common/Error/AuthError.swift

@@ -13,6 +13,7 @@ enum AuthError: Error, CustomStringConvertible {
     case nicknameSaveFailed
     case nicknameLoadFailed
     case nicknameRemoveFailed
+    case invalidUserData
     case unknown(Error)
 
     public var description: String {
@@ -31,6 +32,8 @@ enum AuthError: Error, CustomStringConvertible {
             return "닉네임 불러오기에 실패했습니다."
         case .nicknameRemoveFailed:
             return "닉네임 삭제에 실패했습니다."
+        case .invalidUserData:
+            return "서버 응답에 사용자 정보가 포함되어 있지 않습니다."
         case .unknown(let error):
             return "알 수 없는 에러가 발생했습니다. \(error.localizedDescription)"
         }

Projects/DataSource/Sources/DTO/EmptyResponseDTO.swift

@@ -0,0 +1,8 @@
+//
+//  EmptyResponseDTO.swift
+//  DataSource
+//
+//  Created by 최정인 on 7/15/25.
+//
+
+struct EmptyResponseDTO: Decodable {}

Projects/DataSource/Sources/DTO/LoginResponseDTO.swift

@@ -7,9 +7,7 @@
 
 import Domain
 
-typealias LoginResponseDTO = BaseResponseDTO<LoginResponse>
-
-struct LoginResponse: Decodable {
+struct LoginResponseDTO: Decodable {
     let accessToken: String
     let refreshToken: String
     let userState: String
@@ -21,7 +19,7 @@ struct LoginResponse: Decodable {
     }
 }
 
-extension LoginResponse {
+extension LoginResponseDTO {
     func toUserEntity() -> UserEntity {
         return UserEntity(
             accessToken: accessToken,

Projects/DataSource/Sources/DTO/RecommendedRoutineDTO.swift

@@ -0,0 +1,43 @@
+//
+//  RecommendedRoutineDTO.swift
+//  DataSource
+//
+//  Created by 최정인 on 7/15/25.
+//
+
+import Domain
+
+struct RecommendedRoutineListResponseDTO: Decodable {
+    let recommendedRoutines: [RecommendedRoutineDTO]
+}
+
+struct RecommendedRoutineDTO: Decodable {
+    let id: Int
+    let routineName: String
+    let routineDescription: String
+    let subRoutines: [SubRoutine]
+
+    enum CodingKeys: String, CodingKey {
+        case id = "recommendedRoutineId"
+        case routineName = "recommendedRoutineName"
+        case routineDescription
+        case subRoutines = "recommendedSubRoutines"
+    }
+
+    func toRecommendedRoutineEntity() -> RecommendedRoutineEntity {
+        return RecommendedRoutineEntity(
+            id: id,
+            title: routineName,
+            description: routineDescription)
+    }
+}
+
+struct SubRoutine: Decodable {
+    let id: Int
+    let routineName: String
+
+    enum CodingKeys: String, CodingKey {
+        case id = "recommendedSubRoutineId"
+        case routineName = "recommendedSubRoutineName"
+    }
+}

…rce/Sources/Endpoints/AuthEndpoint.swift …urce/Sources/Endpoint/AuthEndpoint.swiftProjects/DataSource/Sources/Endpoints/AuthEndpoint.swift renamed to Projects/DataSource/Sources/Endpoint/AuthEndpoint.swift Projects/DataSource/Sources/Endpoints/AuthEndpoint.swift renamed to Projects/DataSource/Sources/Endpoint/AuthEndpoint.swift

@@ -0,0 +1,59 @@
+//
+//  OnboardingEndpoint.swift
+//  DataSource
+//
+//  Created by 최정인 on 7/15/25.
+//
+
+import Foundation
+
+enum OnboardingEndpoint {
+    case registerOnboarding(accessToken: String, choices: [String: String])
+    case registerRecommendedRoutine(accessToken: String, selectedRoutines: [Int])
+}
+
+extension OnboardingEndpoint: Endpoint {
+    var baseURL: String {
+        return AppProperties.baseURL + "/api/v1/onboardings"
+    }
+
+    var path: String {
+        switch self {
+        case .registerOnboarding: baseURL
+        case .registerRecommendedRoutine: baseURL + "/routines"
+        }
+    }
+    
+    var method: HTTPMethod {
+        return .post
+    }
+    
+    var headers: [String : String] {
+        var headers: [String: String] = [
+            "Content-Type": "application/json",
+            "accept": "*/*"
+        ]
+
+        switch self {
+        case .registerOnboarding(let accessToken, _):
+            headers["Authorization"] = "Bearer \(accessToken)"
+        case .registerRecommendedRoutine(let accessToken, _):
+            headers["Authorization"] = "Bearer \(accessToken)"
+        }
+
+        return headers
+    }
+    
+    var queryParameters: [String : String] {
+        return [:]
+    }
+    
+    var bodyParameters: [String : Any] {
+        switch self {
+        case .registerOnboarding(_, let choices):
+            return choices
+        case .registerRecommendedRoutine(_, let selectedRoutines):
+            return ["recommendedRoutineIds": selectedRoutines]
+        }
+    }
+}

Projects/DataSource/Sources/Endpoint/OnboardingEndpoint.swift

@@ -15,5 +15,5 @@ public protocol NetworkServiceProtocol {
     ///   - endpoint: 요청을 보낼 API Endpoint 정보
     ///   - type: 디코딩할 Response DTO 타입
     /// - Returns: 응답 데이터를 디코딩한 객체
-    func request<T: Decodable>(endpoint: Endpoint, type: T.Type) async throws -> T
+    func request<T: Decodable>(endpoint: Endpoint, type: T.Type) async throws -> T?
 }