refactor: TodoDraft 변경 감지 단순화

Author: opficdev

Application/DevLogDomain/Sources/Entity/TodoDraft.swift

@@ -7,7 +7,7 @@
 
 import Foundation
 
-public struct TodoDraft: Hashable {
+public struct TodoDraft: Equatable {
     public var id: String
     public var isPinned: Bool
     public var isCompleted: Bool
@@ -48,4 +48,32 @@ public struct TodoDraft: Hashable {
         self.tags = tags
         self.category = category
     }
+
+    public init(todo: Todo) {
+        self.id = todo.id
+        self.isPinned = todo.isPinned
+        self.isCompleted = todo.isCompleted
+        self.isChecked = todo.isChecked
+        self.title = todo.title
+        self.content = todo.content
+        self.createdAt = todo.createdAt
+        self.updatedAt = todo.updatedAt
+        self.completedAt = todo.completedAt
+        self.dueDate = todo.dueDate
+        self.tags = todo.tags
+        self.category = todo.category
+    }
+
+    public static func == (lhs: TodoDraft, rhs: TodoDraft) -> Bool {
+        lhs.id == rhs.id &&
+        lhs.isPinned == rhs.isPinned &&
+        lhs.isCompleted == rhs.isCompleted &&
+        lhs.isChecked == rhs.isChecked &&
+        lhs.title == rhs.title &&
+        lhs.content == rhs.content &&
+        lhs.completedAt == rhs.completedAt &&
+        lhs.dueDate == rhs.dueDate &&
+        lhs.tags == rhs.tags &&
+        lhs.category == rhs.category
+    }
 }

Application/DevLogPresentation/Sources/Home/TodoEditorViewModel.swift

@@ -11,39 +11,6 @@ import DevLogDomain
 
 @Observable
 final class TodoEditorViewModel: Store {
-    private struct Draft: Equatable {
-        let isCompleted: Bool
-        let completedAt: Date?
-        let isPinned: Bool
-        let title: String
-        let content: String
-        let dueDate: Date?
-        let tags: [String]
-        let category: TodoCategory
-
-        init(todo: Todo) {
-            self.isCompleted = todo.isCompleted
-            self.completedAt = todo.completedAt
-            self.isPinned = todo.isPinned
-            self.title = todo.title
-            self.content = todo.content
-            self.dueDate = todo.dueDate
-            self.tags = todo.tags
-            self.category = todo.category
-        }
-
-        init(state: State) {
-            self.isCompleted = state.isCompleted
-            self.completedAt = state.completedAt
-            self.isPinned = state.isPinned
-            self.title = state.title
-            self.content = state.content
-            self.dueDate = state.dueDate
-            self.tags = Array(state.tags)
-            self.category = state.category.category
-        }
-    }
-
     struct State: Equatable {
         var isCompleted: Bool = false
         var completedAt: Date?
@@ -110,12 +77,11 @@ final class TodoEditorViewModel: Store {
     private let onCreateSuccess: (() -> Void)?
     private let onUpdateSuccess: ((Todo) -> Void)?
     private let id: String
-    private let isCompleted: Bool
     private let isChecked: Bool
     private let number: Int?
     private let createdAt: Date?
     private let deletedAt: Date?
-    private let originalDraft: Draft?
+    private let originalDraft: TodoDraft?
 
     var navigationTitle: String {
         if originalDraft == nil {
@@ -130,7 +96,7 @@ final class TodoEditorViewModel: Store {
 
     var hasChanges: Bool {
         guard let originalDraft else { return true }
-        return originalDraft != Draft(state: state)
+        return originalDraft != makeTodoDraft()
     }
 
     var isReadyToSubmit: Bool {
@@ -153,7 +119,6 @@ final class TodoEditorViewModel: Store {
         self.onCreateSuccess = onCreateSuccess
         self.onUpdateSuccess = nil
         self.id = UUID().uuidString
-        self.isCompleted = false
         self.isChecked = false
         self.number = nil
         self.createdAt = nil
@@ -179,12 +144,11 @@ final class TodoEditorViewModel: Store {
         self.onCreateSuccess = nil
         self.onUpdateSuccess = onUpdateSuccess
         self.id = todo.id
-        self.isCompleted = todo.isCompleted
         self.isChecked = todo.isChecked
         self.number = todo.number
         self.createdAt = todo.createdAt
         self.deletedAt = todo.deletedAt
-        self.originalDraft = Draft(todo: todo)
+        self.originalDraft = TodoDraft(todo: todo)
         state.isCompleted = todo.isCompleted
         state.completedAt = todo.completedAt
         state.isPinned = todo.isPinned