refactor: Reducer 리팩토링

Projects/App/Sources/Reducer/AppCoordinator.swift

@@ -165,7 +165,7 @@ struct AppCoordinator {
                     // pending 딥링크가 있으면 처리
                     if let pendingDeepLink = state.pendingNotificationDeepLink {
                         state.pendingNotificationDeepLink = nil
-                        effects.append(.send(.route(.mainTab(.notificationDeepLinkReceived(pendingDeepLink)))))
+                        effects.append(.send(.route(.mainTab(.view(.notificationDeepLinkReceived(pendingDeepLink))))))
                     }
 
                     return .merge(effects)
@@ -209,7 +209,7 @@ struct AppCoordinator {
                 }
 
                 state.pendingNotificationDeepLink = nil
-                return .send(.route(.mainTab(.notificationDeepLinkReceived(deepLink))))
+                return .send(.route(.mainTab(.view(.notificationDeepLinkReceived(deepLink)))))
 
             case .route(.auth(.delegate(.loginSucceeded))):
                 return .merge(
@@ -256,7 +256,7 @@ struct AppCoordinator {
 
                 if let pendingDeepLink = state.pendingNotificationDeepLink {
                     state.pendingNotificationDeepLink = nil
-                    effects.append(.send(.route(.mainTab(.notificationDeepLinkReceived(pendingDeepLink)))))
+                    effects.append(.send(.route(.mainTab(.view(.notificationDeepLinkReceived(pendingDeepLink))))))
                 }
 
                 return .merge(effects)

Projects/Feature/Auth/Sources/Reducer/AuthReducer.swift

@@ -34,46 +34,85 @@ public struct AuthReducer {
     }
 
     public enum Action {
-        case appleLoginButtonTapped
-        case kakaoLoginButtonTapped
-        case googleLoginButtonTapped
-        case loginResponse(Result<AuthResult, Error>)
-        case dismissError
-        case delegate(Delegate)
+        // MARK: - View (사용자 이벤트)
+        public enum View {
+            case appleLoginButtonTapped
+            case kakaoLoginButtonTapped
+            case googleLoginButtonTapped
+            case dismissError
+        }
+
+        // MARK: - Response (비동기 응답)
+        public enum Response {
+            case loginResponse(Result<AuthResult, Error>)
+        }
 
+        // MARK: - Delegate (부모에게 알림)
         @CasePathable
         public enum Delegate {
             case loginSucceeded(AuthResult)
         }
+
+        case view(View)
+        case response(Response)
+        case delegate(Delegate)
     }
 
     public init() {}
 
     public var body: some ReducerOf<Self> {
         Reduce { state, action in
             switch action {
-            case .appleLoginButtonTapped:
-                return Self.handleLogin(provider: .apple, state: &state)
+            case .view(let viewAction):
+                return reduceView(state: &state, action: viewAction)
+
+            case .response(let responseAction):
+                return reduceResponse(state: &state, action: responseAction)
+
+            case .delegate:
+                return .none
+            }
+        }
+    }
+}
+
+// MARK: - View
 
-            case .kakaoLoginButtonTapped:
-                return Self.handleLogin(provider: .kakao, state: &state)
+private extension AuthReducer {
+    func reduceView(
+        state: inout State,
+        action: Action.View
+    ) -> Effect<Action> {
+        switch action {
+        case .appleLoginButtonTapped:
+            return Self.handleLogin(provider: .apple, state: &state)
 
-            case .googleLoginButtonTapped:
-                return Self.handleLogin(provider: .google, state: &state)
+        case .kakaoLoginButtonTapped:
+            return Self.handleLogin(provider: .kakao, state: &state)
 
-            case .loginResponse(.success(let result)):
-                return Self.handleLoginSuccess(state: &state, result: result)
+        case .googleLoginButtonTapped:
+            return Self.handleLogin(provider: .google, state: &state)
 
-            case .loginResponse(.failure(let error)):
-                return Self.handleLoginFailure(state: &state, error: error)
+        case .dismissError:
+            state.errorMessage = nil
+            return .none
+        }
+    }
+}
 
-            case .dismissError:
-                state.errorMessage = nil
-                return .none
+// MARK: - Response
 
-            case .delegate:
-                return .none
-            }
+private extension AuthReducer {
+    func reduceResponse(
+        state: inout State,
+        action: Action.Response
+    ) -> Effect<Action> {
+        switch action {
+        case .loginResponse(.success(let result)):
+            return Self.handleLoginSuccess(state: &state, result: result)
+
+        case .loginResponse(.failure(let error)):
+            return Self.handleLoginFailure(state: &state, error: error)
         }
     }
 }
@@ -98,9 +137,9 @@ private extension AuthReducer {
         return .run { send in
             do {
                 let authResult = try await authClient.signIn(provider)
-                await send(.loginResponse(.success(authResult)))
+                await send(.response(.loginResponse(.success(authResult))))
             } catch {
-                await send(.loginResponse(.failure(error)))
+                await send(.response(.loginResponse(.failure(error))))
             }
         }
     }

Projects/Feature/Auth/Sources/View/AuthView.swift

@@ -29,11 +29,11 @@ public struct AuthView: View {
             "로그인 실패",
             isPresented: Binding(
                 get: { store.errorMessage != nil },
-                set: { _ in store.send(.dismissError) }
+                set: { _ in store.send(.view(.dismissError)) }
             )
         ) {
             Button("확인") {
-                store.send(.dismissError)
+                store.send(.view(.dismissError))
             }
         } message: {
             Text(store.errorMessage ?? "")
@@ -119,7 +119,7 @@ private extension AuthView {
 private extension AuthView {
     var kakaoLoginButton: some View {
         Button {
-            store.send(.kakaoLoginButtonTapped)
+            store.send(.view(.kakaoLoginButtonTapped))
         } label: {
             HStack(spacing: Spacing.spacing6) {
                 Image.Icon.Symbol.kakao
@@ -142,7 +142,7 @@ private extension AuthView {
 
     var googleLoginButton: some View {
         Button {
-            store.send(.googleLoginButtonTapped)
+            store.send(.view(.googleLoginButtonTapped))
         } label: {
             HStack(spacing: Spacing.spacing6) {
                 Image.Icon.Symbol.google
@@ -169,7 +169,7 @@ private extension AuthView {
 
     var appleLoginButton: some View {
         Button {
-            store.send(.appleLoginButtonTapped)
+            store.send(.view(.appleLoginButtonTapped))
         } label: {
             HStack(spacing: Spacing.spacing6) {
                 Image.Icon.Symbol.apple