[Work 30] DIContainer를 도입하고 미연결 화면 전환 로직을 구현했습니다.

WhereAreYou/WhereAreYou/Core/AppDelegate.swift

@@ -22,6 +22,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         }
         FirebaseApp.configure()
         configureFirebaseEmulators()
+        DIContainer.shared.registerDependencies()
         return true
     }
 

WhereAreYou/WhereAreYou/Core/DI/AppDIContainer+Register.swift

@@ -0,0 +1,34 @@
+//
+//  AppDIContainer+Register.swift
+//  WhereAreYou
+//
+//  Created by 김성훈 on 8/26/26.
+//
+
+extension DIContainer {
+
+    func registerDependencies() {
+        // 위치
+        let coreLocationRepository = CoreLocationRepository()
+        register(LocationRepository.self, instance: coreLocationRepository)
+        register(LocationPermissionRepository.self, instance: coreLocationRepository)
+
+        // 약속 생성/조회
+        register(AppointmentCreationRepository.self) { MockAppointmentCreationRepository() }
+        register(AppointmentDetailRepository.self) { MockAppointmentDetailRepository() }
+        register(AppointmentInfoRepository.self) { MockAppointmentInfoRepository() }
+
+        // 채팅
+        register(ChatRepository.self) { MockChatRepository() }
+
+        // 장소 검색/조회
+        register(NearbyPlaceRepository.self) { MockNearbyPlaceRepository() }
+        register(PlaceSearchRepository.self) { MockPlaceSearchRepository() }
+        register(ReverseGeocodingRepository.self) { MockReverseGeocodingRepository() }
+        register(SharedPlaceRepository.self) { MockSharedPlaceRepository() }
+
+        // 길찾기
+        register(RouteSearchRepository.self) { MockRouteSearchRepository() }
+    }
+
+}

WhereAreYou/WhereAreYou/Core/DI/DIContainer.swift

@@ -0,0 +1,34 @@
+//
+//  DIContainer.swift
+//  WhereAreYou
+//
+//  Created by 김성훈 on 8/26/26.
+//
+
+import Foundation
+
+/// register/resolve 방식의 DI 컨테이너
+final class DIContainer {
+
+    static let shared = DIContainer()
+
+    private var factories: [ObjectIdentifier: () -> Any] = [:]
+
+    private init() { }
+
+    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
+        factories[ObjectIdentifier(type)] = factory
+    }
+
+    func register<T>(_ type: T.Type, instance: T) {
+        factories[ObjectIdentifier(type)] = { instance }
+    }
+
+    func resolve<T>(_ type: T.Type = T.self) -> T {
+        guard let factory = factories[ObjectIdentifier(type)], let resolved = factory() as? T else {
+            fatalError("\(type)가 DIContainer에 등록되어 있지 않습니다.")
+        }
+        return resolved
+    }
+
+}

WhereAreYou/WhereAreYou/Data/MockAppointmentDetailRepository.swift

@@ -19,7 +19,22 @@ final class MockAppointmentDetailRepository: AppointmentDetailRepository {
         }
     }
 
+    func fetchAppointment(
+        code: String,
+        completion: @escaping (Result<(appointment: Appointment, currentUserID: String), Error>) -> Void
+    ) {
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
+            guard code == Self.mockCode else {
+                completion(.failure(AppError.notFound))
+                return
+            }
+            let appointment = Self.makeMockAppointment(appointmentID: "appointment_joined")
+            completion(.success((appointment: appointment, currentUserID: Self.currentUserID)))
+        }
+    }
+
     private static let currentUserID = "user_me"
+    private static let mockCode = "MOCK1234"
 
     private static func profileImageURL(_ assetName: String) -> URL {
         URL(string: "asset://\(assetName)")!
@@ -133,7 +148,7 @@ final class MockAppointmentDetailRepository: AppointmentDetailRepository {
 
         return Appointment(
             id: appointmentID,
-            code: "MOCK1234",
+            code: Self.mockCode,
             name: "고기굽는방앗간 이수역점",
             dateTime: now.addingTimeInterval(13 * 60),
             place: place,

WhereAreYou/WhereAreYou/Domain/Repository/AppointmentDetailRepository.swift

@@ -14,4 +14,9 @@ protocol AppointmentDetailRepository {
         completion: @escaping (Result<(appointment: Appointment, currentUserID: String), Error>) -> Void
     )
 
+    func fetchAppointment(
+        code: String,
+        completion: @escaping (Result<(appointment: Appointment, currentUserID: String), Error>) -> Void
+    )
+
 }

WhereAreYou/WhereAreYou/Domain/UseCase/JoinAppointmentUseCase.swift

@@ -0,0 +1,23 @@
+//
+//  JoinAppointmentUseCase.swift
+//  WhereAreYou
+//
+//  Created by 김성훈 on 8/26/26.
+//
+
+final class JoinAppointmentUseCase {
+
+    private let repository: AppointmentDetailRepository
+
+    init(repository: AppointmentDetailRepository) {
+        self.repository = repository
+    }
+
+    func execute(
+        code: String,
+        completion: @escaping (Result<(appointment: Appointment, currentUserID: String), Error>) -> Void
+    ) {
+        repository.fetchAppointment(code: code, completion: completion)
+    }
+
+}

WhereAreYou/WhereAreYou/Presentation/AppointmentCreation/AppointmentCreationViewController.swift

@@ -119,8 +119,8 @@ extension AppointmentCreationViewController {
         card.onCopyCodeTap = {
             UIPasteboard.general.string = info.code
         }
-        card.onConfirmTap = {
-            // TODO: 약속 화면으로 이동
+        card.onConfirmTap = { [weak self] in
+            self?.presentChat(appointmentInfo: info)
         }
 
         view.addSubview(card)
@@ -141,6 +141,34 @@ extension AppointmentCreationViewController {
         }
     }
 
+    private func presentChat(appointmentInfo: AppointmentInfo) {
+        guard let navigationController else { return }
+
+        let chatRepository = DIContainer.shared.resolve(ChatRepository.self)
+        let chatViewModel = ChatViewModel(
+            appointmentInfo: appointmentInfo,
+            fetchMessagesUseCase: FetchMessagesUseCase(repository: chatRepository),
+            sendMessageUseCase: SendMessageUseCase(repository: chatRepository),
+            getCurrentLocationUseCase: GetCurrentLocationUseCase(
+                repository: DIContainer.shared.resolve(LocationRepository.self)
+            ),
+            shareLocationUseCase: ShareLocationUseCase(repository: chatRepository),
+            sharePlaceUseCase: SharePlaceUseCase(
+                chatRepository: chatRepository,
+                sharedPlaceRepository: DIContainer.shared.resolve(SharedPlaceRepository.self)
+            )
+        )
+        let chatViewController = ChatViewController(viewModel: chatViewModel)
+
+        var viewControllers = navigationController.viewControllers
+        if let index = viewControllers.firstIndex(of: self) {
+            viewControllers[index] = chatViewController
+        } else {
+            viewControllers.append(chatViewController)
+        }
+        navigationController.setViewControllers(viewControllers, animated: true)
+    }
+
     // MARK: - Date Picker
 
     private func presentDatePicker() {
@@ -167,7 +195,7 @@ extension AppointmentCreationViewController {
         let searchPlaceViewController = SearchPlaceCardViewController(
             viewModel: SearchPlaceCardViewModel(
                 searchPlacesUseCase: SearchPlacesUseCase(
-                    repository: MockPlaceSearchRepository()
+                    repository: DIContainer.shared.resolve(PlaceSearchRepository.self)
                 )
             ),
             selectionButtonTitle: "선택하기",
@@ -192,11 +220,11 @@ extension AppointmentCreationViewController {
     private func presentPlaceMapSelection() {
         let placeSelectionViewModel = PlaceSelectionViewModel(
             getCurrentLocationUseCase: GetCurrentLocationUseCase(
-                repository: CoreLocationRepository()
+                repository: DIContainer.shared.resolve(LocationRepository.self)
             ),
             getNearbyPlaceUseCase: GetNearbyPlaceUseCase(
-                nearbyPlaceRepository: MockNearbyPlaceRepository(),
-                reverseGeocodingRepository: MockReverseGeocodingRepository()
+                nearbyPlaceRepository: DIContainer.shared.resolve(NearbyPlaceRepository.self),
+                reverseGeocodingRepository: DIContainer.shared.resolve(ReverseGeocodingRepository.self)
             ),
             initialCoordinate: viewModel.place?.coordinate
         )

WhereAreYou/WhereAreYou/Presentation/AppointmentList/AppointmentListViewController.swift

@@ -198,11 +198,11 @@ final class AppointmentListViewController: UIViewController {
         }()
 
         let card = AppointmentListCard(item: item, accessoryView: remainingTimeLabel)
-        card.onChatTap = {
-            print("\(item.title) 대화 열기")
+        card.onChatTap = { [weak self] in
+            self?.presentChat(appointmentID: item.id)
         }
-        card.onMapTap = {
-            print("\(item.title) 지도 열기")
+        card.onMapTap = { [weak self] in
+            self?.presentAppointmentRoute(appointmentID: item.id)
         }
         card.contextMenuProvider = { [weak self] in
             self?.makeContextMenu(id: item.id) ?? UIMenu(children: [])
@@ -245,4 +245,40 @@ final class AppointmentListViewController: UIViewController {
         navigationController?.pushViewController(PastAppointmentListViewController(), animated: true)
     }
 
+    // MARK: - Chat / Route
+
+    private func presentChat(appointmentID: String) {
+        let repository = DIContainer.shared.resolve(AppointmentInfoRepository.self)
+        FetchAppointmentInfoUseCase(repository: repository).execute(appointmentID: appointmentID) { [weak self] result in
+            DispatchQueue.main.async {
+                guard let self, case .success(let appointment) = result else { return }
+                let chatRepository = DIContainer.shared.resolve(ChatRepository.self)
+                let viewModel = ChatViewModel(
+                    appointmentInfo: AppointmentInfo(appointment: appointment),
+                    fetchMessagesUseCase: FetchMessagesUseCase(repository: chatRepository),
+                    sendMessageUseCase: SendMessageUseCase(repository: chatRepository),
+                    getCurrentLocationUseCase: GetCurrentLocationUseCase(
+                        repository: DIContainer.shared.resolve(LocationRepository.self)
+                    ),
+                    shareLocationUseCase: ShareLocationUseCase(repository: chatRepository),
+                    sharePlaceUseCase: SharePlaceUseCase(
+                        chatRepository: chatRepository,
+                        sharedPlaceRepository: DIContainer.shared.resolve(SharedPlaceRepository.self)
+                    )
+                )
+                self.navigationController?.pushViewController(ChatViewController(viewModel: viewModel), animated: true)
+            }
+        }
+    }
+
+    private func presentAppointmentRoute(appointmentID: String) {
+        let routeViewModel = AppointmentRouteViewModel(
+            appointmentID: appointmentID,
+            getAppointmentDetailUseCase: GetAppointmentDetailUseCase(
+                repository: DIContainer.shared.resolve(AppointmentDetailRepository.self)
+            )
+        )
+        present(AppointmentRouteViewController(viewModel: routeViewModel), animated: true)
+    }
+
 }

WhereAreYou/WhereAreYou/Presentation/AppointmentList/PastAppointmentListViewController.swift

@@ -101,11 +101,11 @@ final class PastAppointmentListViewController: UIViewController {
 
     private func addCard(for item: AppointmentListItem) {
         let card = AppointmentListCard(item: item, accessoryView: nil)
-        card.onChatTap = {
-            print("\(item.title) 대화 열기")
+        card.onChatTap = { [weak self] in
+            self?.presentChat(appointmentID: item.id)
         }
-        card.onMapTap = {
-            print("\(item.title) 지도 열기")
+        card.onMapTap = { [weak self] in
+            self?.presentAppointmentRoute(appointmentID: item.id)
         }
         card.contextMenuProvider = { [weak self] in
             self?.makeContextMenu(id: item.id) ?? UIMenu(children: [])
@@ -144,4 +144,40 @@ final class PastAppointmentListViewController: UIViewController {
         present(alert, animated: true)
     }
 
+    // MARK: - Chat / Route
+
+    private func presentChat(appointmentID: String) {
+        let repository = DIContainer.shared.resolve(AppointmentInfoRepository.self)
+        FetchAppointmentInfoUseCase(repository: repository).execute(appointmentID: appointmentID) { [weak self] result in
+            DispatchQueue.main.async {
+                guard let self, case .success(let appointment) = result else { return }
+                let chatRepository = DIContainer.shared.resolve(ChatRepository.self)
+                let viewModel = ChatViewModel(
+                    appointmentInfo: AppointmentInfo(appointment: appointment),
+                    fetchMessagesUseCase: FetchMessagesUseCase(repository: chatRepository),
+                    sendMessageUseCase: SendMessageUseCase(repository: chatRepository),
+                    getCurrentLocationUseCase: GetCurrentLocationUseCase(
+                        repository: DIContainer.shared.resolve(LocationRepository.self)
+                    ),
+                    shareLocationUseCase: ShareLocationUseCase(repository: chatRepository),
+                    sharePlaceUseCase: SharePlaceUseCase(
+                        chatRepository: chatRepository,
+                        sharedPlaceRepository: DIContainer.shared.resolve(SharedPlaceRepository.self)
+                    )
+                )
+                self.navigationController?.pushViewController(ChatViewController(viewModel: viewModel), animated: true)
+            }
+        }
+    }
+
+    private func presentAppointmentRoute(appointmentID: String) {
+        let routeViewModel = AppointmentRouteViewModel(
+            appointmentID: appointmentID,
+            getAppointmentDetailUseCase: GetAppointmentDetailUseCase(
+                repository: DIContainer.shared.resolve(AppointmentDetailRepository.self)
+            )
+        )
+        present(AppointmentRouteViewController(viewModel: routeViewModel), animated: true)
+    }
+
 }

WhereAreYou/WhereAreYou/Presentation/Chat/AppointmentInfo/AppointmentInfoViewController.swift

@@ -143,7 +143,7 @@ final class AppointmentInfoViewController: UIViewController {
         let searchPlaceViewController = SearchPlaceCardViewController(
             viewModel: SearchPlaceCardViewModel(
                 searchPlacesUseCase: SearchPlacesUseCase(
-                    repository: MockPlaceSearchRepository()
+                    repository: DIContainer.shared.resolve(PlaceSearchRepository.self)
                 )
             ),
             selectionButtonTitle: "선택하기",
@@ -167,11 +167,11 @@ final class AppointmentInfoViewController: UIViewController {
     private func presentPlaceMapSelection() {
         let placeSelectionViewModel = PlaceSelectionViewModel(
             getCurrentLocationUseCase: GetCurrentLocationUseCase(
-                repository: CoreLocationRepository()
+                repository: DIContainer.shared.resolve(LocationRepository.self)
             ),
             getNearbyPlaceUseCase: GetNearbyPlaceUseCase(
-                nearbyPlaceRepository: MockNearbyPlaceRepository(),
-                reverseGeocodingRepository: MockReverseGeocodingRepository()
+                nearbyPlaceRepository: DIContainer.shared.resolve(NearbyPlaceRepository.self),
+                reverseGeocodingRepository: DIContainer.shared.resolve(ReverseGeocodingRepository.self)
             ),
             initialCoordinate: viewModel.appointmentInfo?.location?.coordinate
         )