[#488] PushNotificationListViewModel 생성 및 생명주기를 개선한다

Application/DevLogPresentation/Sources/Main/MainView.swift

@@ -14,6 +14,7 @@ struct MainView: View {
     @State private var coordinator: MainViewCoordinator
     @State private var homeViewCoordinator: HomeViewCoordinator
     @State private var todayViewCoordinator: TodayViewCoordinator
+    @State private var pushNotificationListViewCoordinator: PushNotificationListViewCoordinator
     @State private var profileViewCoordinator: ProfileViewCoordinator
     @Binding var selectedTab: MainTab?
 
@@ -24,6 +25,9 @@ struct MainView: View {
         self._coordinator = State(initialValue: MainViewCoordinator(container: container))
         self._homeViewCoordinator = State(initialValue: HomeViewCoordinator(container: container))
         self._todayViewCoordinator = State(initialValue: TodayViewCoordinator(container: container))
+        self._pushNotificationListViewCoordinator = State(
+            initialValue: PushNotificationListViewCoordinator(container: container)
+        )
         self._profileViewCoordinator = State(initialValue: ProfileViewCoordinator(container: container))
         self._selectedTab = selectedTab
     }
@@ -48,6 +52,8 @@ struct MainView: View {
                 homeViewCoordinator.fetchData()
             } else if newValue == .today {
                 todayViewCoordinator.fetchData()
+            } else if newValue == .notification {
+                pushNotificationListViewCoordinator.fetchData()
             } else if newValue == .profile {
                 profileViewCoordinator.fetchData()
             }
@@ -124,17 +130,15 @@ struct MainView: View {
                     mainSidebar
                 } content: {
                     PushNotificationListView(
-                        viewModel: coordinator.pushNotificationListViewModel,
-                        todoIdToPresent: todoIdToPresent,
+                        coordinator: pushNotificationListViewCoordinator,
                         isCompactLayout: isCompactLayout
                     )
                 } detail: {
                     Group {
-                        if let todoId = coordinator.todoIdToPresent?.id {
+                        if let todoId = pushNotificationListViewCoordinator.todoIdToPresent?.id {
                             TodoDetailView(
-                                viewModel: coordinator.todoDetailViewModel(
-                                    todoId: todoId,
-                                    showEditButton: false
+                                viewModel: pushNotificationListViewCoordinator.makeTodoDetailViewModel(
+                                    todoId: todoId
                                 )
                             )
                             .id(todoId)
@@ -324,8 +328,7 @@ struct MainView: View {
 
     private var notificationView: some View {
         PushNotificationListView(
-            viewModel: coordinator.pushNotificationListViewModel,
-            todoIdToPresent: todoIdToPresent,
+            coordinator: pushNotificationListViewCoordinator,
             isCompactLayout: isCompactLayout
         )
     }
@@ -358,13 +361,6 @@ private extension MainView {
         )
     }
 
-    var todoIdToPresent: Binding<TodoIdItem?> {
-        Binding(
-            get: { coordinator.todoIdToPresent },
-            set: { coordinator.todoIdToPresent = $0 }
-        )
-    }
-
     var homeNavigationPath: Binding<[HomeRoute]> {
         Binding(
             get: { homeViewCoordinator.router.path },

Application/DevLogPresentation/Sources/Main/MainViewCoordinator.swift

@@ -13,8 +13,6 @@ import DevLogDomain
 @Observable
 final class MainViewCoordinator {
     let mainViewModel: MainViewModel
-    let pushNotificationListViewModel: PushNotificationListViewModel
-    var todoIdToPresent: TodoIdItem?
     private let diContainer: DIContainer
     @ObservationIgnored
     private var todoListViewModel: TodoListViewModel?
@@ -27,14 +25,6 @@ final class MainViewCoordinator {
             trackAnalyticsEventUseCase: container.resolve(TrackAnalyticsEventUseCase.self),
             unreadPushCountUseCase: container.resolve(ObserveUnreadPushCountUseCase.self)
         )
-        self.pushNotificationListViewModel = PushNotificationListViewModel(
-            fetchUseCase: container.resolve(FetchPushNotificationsUseCase.self),
-            deleteUseCase: container.resolve(DeletePushNotificationUseCase.self),
-            undoDeleteUseCase: container.resolve(UndoDeletePushNotificationUseCase.self),
-            toggleReadUseCase: container.resolve(TogglePushNotificationReadUseCase.self),
-            fetchQueryUseCase: container.resolve(FetchPushNotificationQueryUseCase.self),
-            updateQueryUseCase: container.resolve(UpdatePushNotificationQueryUseCase.self)
-        )
     }
 
     func todoListViewModel(category: TodoCategory) -> TodoListViewModel {

Application/DevLogPresentation/Sources/PushNotification/PushNotificationListView.swift

@@ -11,15 +11,17 @@ import DevLogDomain
 
 struct PushNotificationListView: View {
     @Environment(\.colorScheme) private var colorScheme
-    @Environment(\.diContainer) private var container: DIContainer
     @ScaledMetric(relativeTo: .body) private var headerHeight = 41
     @ScaledMetric(relativeTo: .largeTitle) private var labelWidth = 34
-    @State var viewModel: PushNotificationListViewModel
     @State private var headerOffset: CGFloat = 0
     @State private var isScrollTrackingEnabled = false
-    @Binding var todoIdToPresent: TodoIdItem?
+    let coordinator: PushNotificationListViewCoordinator
     let isCompactLayout: Bool
 
+    private var viewModel: PushNotificationListViewModel {
+        coordinator.viewModel
+    }
+
     var body: some View {
         NavigationStack {
             notificationList
@@ -29,7 +31,6 @@ struct PushNotificationListView: View {
                     headerOffset = max(0, -offset)
                 }
                 .safeAreaInset(edge: .top) { safeAreaHeader }
-                .onAppear { viewModel.send(.fetchNotifications) }
                 .refreshable { viewModel.send(.fetchNotifications) }
                 .navigationTitle(String(localized: "nav_push_notifications"))
                 .listStyle(.plain)
@@ -58,21 +59,15 @@ struct PushNotificationListView: View {
                 .lineLimit(3)
         }
         .sheet(item: Binding(
-            get: { isCompactLayout ? todoIdToPresent : nil },
+            get: { isCompactLayout ? coordinator.todoIdToPresent : nil },
             set: { item in
                 if item == nil {
                     selectNotification(nil)
                 }
             }
         )) { item in
             NavigationStack {
-                TodoDetailView(viewModel: TodoDetailViewModel(
-                    fetchTodoUseCase: container.resolve(FetchTodoByIdUseCase.self),
-                    fetchReferenceItemsUseCase: container.resolve(FetchReferenceItemsUseCase.self),
-                    upsertUseCase: container.resolve(UpsertTodoUseCase.self),
-                    todoId: item.id,
-                    showEditButton: false
-                ))
+                TodoDetailView(viewModel: coordinator.makeTodoDetailViewModel(todoId: item.id))
                 .id(item.id)
                 .toolbar {
                     ToolbarLeadingButton {
@@ -389,6 +384,6 @@ struct PushNotificationListView: View {
 
     private func selectNotification(_ notificationId: String?) {
         viewModel.send(.selectNotification(notificationId))
-        todoIdToPresent = viewModel.state.selectedTodoId
+        coordinator.todoIdToPresent = viewModel.state.selectedTodoId
     }
 }

Application/DevLogPresentation/Sources/PushNotification/PushNotificationListViewCoordinator.swift

@@ -0,0 +1,54 @@
+//
+//  PushNotificationListViewCoordinator.swift
+//  DevLogPresentation
+//
+//  Created by opfic on 5/29/26.
+//
+
+import Foundation
+import DevLogCore
+import DevLogDomain
+
+@MainActor
+@Observable
+final class PushNotificationListViewCoordinator {
+    let viewModel: PushNotificationListViewModel
+    var todoIdToPresent: TodoIdItem?
+    private let diContainer: DIContainer
+    @ObservationIgnored
+    private var todoDetailViewModel: TodoDetailViewModel?
+
+    init(container: DIContainer) {
+        self.diContainer = container
+        self.viewModel = PushNotificationListViewModel(
+            fetchUseCase: container.resolve(FetchPushNotificationsUseCase.self),
+            deleteUseCase: container.resolve(DeletePushNotificationUseCase.self),
+            undoDeleteUseCase: container.resolve(UndoDeletePushNotificationUseCase.self),
+            toggleReadUseCase: container.resolve(TogglePushNotificationReadUseCase.self),
+            fetchQueryUseCase: container.resolve(FetchPushNotificationQueryUseCase.self),
+            updateQueryUseCase: container.resolve(UpdatePushNotificationQueryUseCase.self)
+        )
+    }
+
+    func fetchData() {
+        viewModel.send(.fetchNotifications)
+    }
+
+    func makeTodoDetailViewModel(todoId: String) -> TodoDetailViewModel {
+        if let todoDetailViewModel,
+           todoDetailViewModel.todoId == todoId,
+           !todoDetailViewModel.showEditButton {
+            return todoDetailViewModel
+        }
+
+        let todoDetailViewModel = TodoDetailViewModel(
+            fetchTodoUseCase: diContainer.resolve(FetchTodoByIdUseCase.self),
+            fetchReferenceItemsUseCase: diContainer.resolve(FetchReferenceItemsUseCase.self),
+            upsertUseCase: diContainer.resolve(UpsertTodoUseCase.self),
+            todoId: todoId,
+            showEditButton: false
+        )
+        self.todoDetailViewModel = todoDetailViewModel
+        return todoDetailViewModel
+    }
+}