refactor: category를 상태(State)에서 제거

Author: opficdev

DevLog/Presentation/ViewModel/TodoListViewModel.swift

@@ -13,7 +13,6 @@ final class TodoListViewModel: Store {
         var todos: [TodoListItem] = []
         var searchText: String = ""
         var searchResults: [TodoListItem] = []
-        let category: TodoCategory
         var showEditor: Bool = false
         var showAlert: Bool = false
         var alertTitle: String = ""
@@ -81,6 +80,7 @@ final class TodoListViewModel: Store {
         case request
     }
 
+    let category: TodoCategory
     private(set) var state: State
     private let fetchTodosUseCase: FetchTodosUseCase
     private let fetchTodoByIdUseCase: FetchTodoByIdUseCase
@@ -106,18 +106,14 @@ final class TodoListViewModel: Store {
         self.upsertTodoUseCase = upsertTodoUseCase
         self.deleteTodoUseCase = deleteTodoUseCase
         self.undoDeleteTodoUseCase = undoDeleteTodoUseCase
+        self.category = category
         self.state = State(
-            category: category,
             query: TodoQuery(category: category)
         )
     }
 
     let searchResultsLimit = 5
 
-    var category: TodoCategory {
-        state.category
-    }
-
     var appliedFilterCount: Int {
         var count = 0
         if state.query.sortTarget != .createdAt { count += 1 }
@@ -195,7 +191,7 @@ final class TodoListViewModel: Store {
                             self.endLoading(.immediate)
                         }
                     }
-                    let query = TodoQuery(category: state.category, keyword: keyword)
+                    let query = TodoQuery(category: category, keyword: keyword)
                     let page = try await fetchTodosUseCase.execute(query, cursor: nil)
                     if Task.isCancelled { return }
                     send(.fetchSearchResults(page.items.compactMap { TodoListItem(from: $0) }))
@@ -311,7 +307,7 @@ private extension TodoListViewModel {
             self.nextCursor = nil
             return [.fetch]
         case .resetFilters:
-            state.query = TodoQuery(category: state.category)
+            state.query = TodoQuery(category: category)
             self.nextCursor = nil
             return [.fetch]
         case .setIsSearching(let value):

DevLog/UI/Home/TodoListView.swift

@@ -45,7 +45,7 @@ struct TodoListView: View {
                     prompt: Text(
                         String.localizedStringWithFormat(
                             String(localized: "todo_list_search_prompt_format"),
-                            TodoCategoryItem(from: viewModel.state.category).localizedName
+                            TodoCategoryItem(from: viewModel.category).localizedName
                         )
                     )
                 )
@@ -71,14 +71,14 @@ struct TodoListView: View {
         ) {
             Label(viewModel.state.toastMessage, systemImage: "arrow.uturn.left")
         }
-        .navigationTitle(TodoCategoryItem(from: viewModel.state.category).localizedName)
+        .navigationTitle(TodoCategoryItem(from: viewModel.category).localizedName)
         .fullScreenCover(isPresented: Binding(
             get: { viewModel.state.showEditor },
             set: { viewModel.send(.setShowEditor($0)) }
         )) {
             TodoEditorView(
                 viewModel: TodoEditorViewModel(
-                    category: viewModel.state.category,
+                    category: viewModel.category,
                     fetchPreferencesUseCase: container.resolve(FetchTodoCategoryPreferencesUseCase.self),
                     fetchReferenceItemsUseCase: container.resolve(FetchReferenceItemsUseCase.self)
                 ),
@@ -222,7 +222,7 @@ struct TodoListView: View {
                 prompt: Text(
                     String.localizedStringWithFormat(
                         String(localized: "todo_list_search_prompt_format"),
-                        TodoCategoryItem(from: viewModel.state.category).localizedName
+                        TodoCategoryItem(from: viewModel.category).localizedName
                     )
                 )
             )
@@ -240,7 +240,7 @@ struct TodoListView: View {
             Text(
                 String.localizedStringWithFormat(
                     String(localized: "todo_list_search_instruction_format"),
-                    TodoCategoryItem(from: viewModel.state.category).localizedName
+                    TodoCategoryItem(from: viewModel.category).localizedName
                 )
             )
                 .foregroundStyle(Color.gray)