[#288] TodoEditorView에서 Todo의 완료 여부를 토글할 수 있는 UI를 구현한다

DevLog/Presentation/ViewModel/TodoEditorViewModel.swift

@@ -11,6 +11,8 @@ import OrderedCollections
 @Observable
 final class TodoEditorViewModel: Store {
     private struct Draft: Equatable {
+        let isCompleted: Bool
+        let completedAt: Date?
         let isPinned: Bool
         let title: String
         let content: String
@@ -19,6 +21,8 @@ final class TodoEditorViewModel: Store {
         let kind: TodoKind
 
         init(todo: Todo) {
+            self.isCompleted = todo.isCompleted
+            self.completedAt = todo.completedAt
             self.isPinned = todo.isPinned
             self.title = todo.title
             self.content = todo.content
@@ -28,6 +32,8 @@ final class TodoEditorViewModel: Store {
         }
 
         init(state: State) {
+            self.isCompleted = state.isCompleted
+            self.completedAt = state.completedAt
             self.isPinned = state.isPinned
             self.title = state.title
             self.content = state.content
@@ -38,6 +44,8 @@ final class TodoEditorViewModel: Store {
     }
 
     struct State: Equatable {
+        var isCompleted: Bool = false
+        var completedAt: Date?
         var isPinned: Bool = false
         var title: String = ""
         var content: String = ""
@@ -61,6 +69,7 @@ final class TodoEditorViewModel: Store {
         case addTag(String)
         case removeTag(String)
         case setContent(String)
+        case setCompleted(Bool)
         case setDueDate(Date?)
         case setKind(TodoKind)
         case setPinned(Bool)
@@ -78,7 +87,6 @@ final class TodoEditorViewModel: Store {
     private let isCompleted: Bool
     private let isChecked: Bool
     private let createdAt: Date?
-    private let completedAt: Date?
     private let originalDraft: Draft?
 
     var navigationTitle: String {
@@ -104,7 +112,6 @@ final class TodoEditorViewModel: Store {
         self.isCompleted = false
         self.isChecked = false
         self.createdAt = nil
-        self.completedAt = nil
         self.originalDraft = nil
         state.kind = kind
     }
@@ -115,8 +122,9 @@ final class TodoEditorViewModel: Store {
         self.isCompleted = todo.isCompleted
         self.isChecked = todo.isChecked
         self.createdAt = todo.createdAt
-        self.completedAt = todo.completedAt
         self.originalDraft = Draft(todo: todo)
+        state.isCompleted = todo.isCompleted
+        state.completedAt = todo.completedAt
         state.isPinned = todo.isPinned
         state.title = todo.title
         state.content = todo.content
@@ -145,6 +153,11 @@ final class TodoEditorViewModel: Store {
             } else {
                 state.dueDate = nil
             }
+        case .setCompleted(let isCompleted):
+            if state.isCompleted != isCompleted {
+                state.completedAt = isCompleted ? Date() : nil
+            }
+            state.isCompleted = isCompleted
         case .setKind(let todoKind):
             state.kind = todoKind
         case .setPinned(let isPinned):
@@ -183,13 +196,13 @@ extension TodoEditorViewModel {
         return Todo(
             id: self.id,
             isPinned: state.isPinned,
-            isCompleted: self.isCompleted,
+            isCompleted: state.isCompleted,
             isChecked: self.isChecked,
             title: state.title,
             content: state.content,
             createdAt: self.createdAt ?? date,
             updatedAt: date,
-            completedAt: self.completedAt,
+            completedAt: state.completedAt,
             dueDate: state.dueDate,
             tags: state.tags.map { $0 },
             kind: state.kind

DevLog/UI/Home/TodoDetailView.swift

@@ -70,14 +70,104 @@ struct TodoDetailView: View {
     @ViewBuilder
     private var sheetContent: some View {
         if let todo = viewModel.state.todo {
-            TodoInfoSheetView(
-                createdAt: todo.createdAt,
-                completedAt: todo.completedAt,
-                dueDate: todo.dueDate,
-                tags: todo.tags
-            ) {
+            TodoDetailInfoSheetView(todo: todo) {
                 viewModel.send(.setShowInfo(false))
             }
         }
     }
 }
+
+private struct TodoDetailInfoSheetView: View {
+    let todo: Todo
+    let onClose: () -> Void
+    private let calendar = Calendar.current
+
+    var body: some View {
+        NavigationStack {
+            List {
+                Section("옵션") {
+                    HStack {
+                        Text("카테고리")
+                        Spacer()
+                        Text(todo.kind.localizedName)
+                            .foregroundStyle(.secondary)
+                    }
+
+                    statusRow(
+                        title: "완료",
+                        systemImage: todo.isCompleted ? "checkmark.circle.fill" : "circle",
+                        color: todo.isCompleted ? .green : .secondary
+                    )
+
+                    statusRow(
+                        title: "중요 표시",
+                        systemImage: todo.isPinned ? "star.fill" : "star",
+                        color: todo.isPinned ? .orange : .secondary
+                    )
+
+                    HStack {
+                        Text("마감일")
+
+                        Spacer()
+
+                        if let dueDate = todo.dueDate {
+                            Tag(dueDateText(for: dueDate), isEditing: false)
+                                .padding(.vertical, -4)
+                        } else {
+                            Text("없음")
+                                .foregroundStyle(.secondary)
+                        }
+                    }
+                }
+
+                Section("태그") {
+                    if todo.tags.isEmpty {
+                        Text("태그 없음")
+                            .foregroundStyle(.secondary)
+                            .padding(.vertical, 4)
+                    } else {
+                        TagList(todo.tags)
+                    }
+                }
+            }
+            .navigationTitle("세부 정보")
+            .navigationBarTitleDisplayMode(.inline)
+            .toolbar {
+                ToolbarLeadingButton {
+                    onClose()
+                }
+            }
+        }
+    }
+
+    @ViewBuilder
+    private func statusRow(
+        title: String,
+        systemImage: String,
+        color: Color
+    ) -> some View {
+        HStack {
+            Text(title)
+
+            Spacer()
+
+            Image(systemName: systemImage)
+                .foregroundStyle(color)
+        }
+    }
+
+    private func dueDateText(for dueDate: Date) -> String {
+        let currentYear = calendar.component(.year, from: Date())
+        let dueDateYear = calendar.component(.year, from: dueDate)
+
+        if currentYear == dueDateYear {
+            return dueDate.formatted(
+                .dateTime.month(.defaultDigits).day(.defaultDigits)
+            )
+        }
+
+        return dueDate.formatted(
+            .dateTime.year(.twoDigits).month(.defaultDigits).day(.defaultDigits)
+        )
+    }
+}

DevLog/UI/Home/TodoEditorView.swift

@@ -192,6 +192,15 @@ private struct TodoEditorInfoSheetView: View {
                         }
                     }
 
+                    Toggle(
+                        "완료",
+                        isOn: Binding(
+                            get: { viewModel.state.isCompleted },
+                            set: { viewModel.send(.setCompleted($0)) }
+                        )
+                    )
+                    .tint(.blue)
+
                     Toggle(
                         "중요 표시",
                         isOn: Binding(
@@ -263,9 +272,7 @@ private struct TodoEditorInfoSheetView: View {
             HStack {
                 Text("마감일")
                     .foregroundStyle(.primary)
-
                 Spacer()
-
                 if let dueDate = viewModel.state.dueDate {
                     Tag(dueDateText(for: dueDate), isEditing: true) {
                         viewModel.send(.setDueDate(nil))