책 읽기 페이지에서 책 수정 기능 구현

MemorialHouse/MHPresentation/MHPresentation/Source/Book/View/BookViewController.swift

@@ -35,21 +35,29 @@ final class BookViewController: UIViewController {
         setup()
         configureNavigationBar()
         configureConstraints()
-        input.send(.viewDidLoad)
+    }
+
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+
+        input.send(.loadBook)
     }
 
     // MARK: - Binding
     private func bind() {
         let output = viewModel.transform(input: input.eraseToAnyPublisher())
 
-        output.receive(on: DispatchQueue.main)
+        output
+            .receive(on: DispatchQueue.main)
             .sink { [weak self] event in
             switch event {
             case .setBookTitle(let bookTitle):
                 self?.title = bookTitle
             case .loadFirstPage(let page):
                 guard let page else { return }
                 self?.configureFirstPageViewController(firstPage: page)
+            case .moveToEdit(let bookID):
+                self?.presentEditBookView(bookID: bookID)
             }
         }
         .store(in: &cancellables)
@@ -94,8 +102,8 @@ final class BookViewController: UIViewController {
             title: "수정",
             normal: normalAttributes,
             selected: selectedAttributes
-        ) {
-            // TODO: - 추후 책 속지 수정 페이지로 넘어가는 로직 필요
+        ) { [weak self] in
+            self?.input.send(.editBook)
         }
     }
 
@@ -119,6 +127,18 @@ final class BookViewController: UIViewController {
 
         return ReadPageViewController(viewModel: readPageViewModel)
     }
+
+    // MARK: - PresentEditBookView
+    private func presentEditBookView(bookID: UUID) {
+        do {
+            let editBookViewModelFactory = try DIContainer.shared.resolve(EditBookViewModelFactory.self)
+            let editBookViewModel = editBookViewModelFactory.make(bookID: bookID)
+            let editBookViewController = EditBookViewController(viewModel: editBookViewModel, mode: .modify)
+            navigationController?.pushViewController(editBookViewController, animated: true)
+        } catch {
+            MHLogger.error(error)
+        }
+    }
 }
 
 // MARK: - UIPageViewControllerDelegate

MemorialHouse/MHPresentation/MHPresentation/Source/Book/ViewModel/BookViewModel.swift

@@ -4,14 +4,16 @@ import Combine
 
 public final class BookViewModel: ViewModelType {
     enum Input {
-        case viewDidLoad
+        case loadBook
         case loadPreviousPage
         case loadNextPage
+        case editBook
     }
 
     enum Output {
         case setBookTitle(with: String?)
         case loadFirstPage(page: Page?)
+        case moveToEdit(bookID: UUID)
     }
 
     private let fetchBookUseCase: FetchBookUseCase
@@ -32,11 +34,10 @@ public final class BookViewModel: ViewModelType {
         self.identifier = identifier
     }
 
-    @MainActor
     func transform(input: AnyPublisher<Input, Never>) -> AnyPublisher<Output, Never> {
         input.sink { [weak self] event in
             switch event {
-            case .viewDidLoad:
+            case .loadBook:
                 Task { try await self?.fetchBook() }
             case .loadPreviousPage:
                 if self?.nowPageIndex ?? 0 > 0 {
@@ -46,6 +47,9 @@ public final class BookViewModel: ViewModelType {
                 if self?.nowPageIndex ?? 0 < (self?.book?.pages.count ?? 0) - 1 {
                     self?.nowPageIndex += 1
                 }
+            case .editBook:
+                guard let self else { return }
+                self.output.send(.moveToEdit(bookID: self.identifier))
             }
         }
         .store(in: &cancellables)

MemorialHouse/MHPresentation/MHPresentation/Source/BookCover/View/BookCoverViewController.swift

@@ -313,13 +313,15 @@ extension BookCoverViewController {
             self?.modifyInput.send(.saveBookCover)
         }
     }
+
     private func configureAddSubviews() {
         view.addSubview(bookPreviewViewBackground)
         view.addSubview(bookTitleTextFieldBackground)
         view.addSubview(bookColorSelectionBackground)
         view.addSubview(categorySelectionButtonBackground)
         view.addSubview(imageSelectionButtonBackground)
     }
+
     private func configureConstraints() {
         bookPreviewViewBackground.setAnchor(
             top: view.safeAreaLayoutGuide.topAnchor,
@@ -352,6 +354,7 @@ extension BookCoverViewController {
             height: 63
         )
     }
+
     private func configureAction() {
         bookColorButtons.enumerated().forEach { index, button in
             let colorButtonAction = UIAction { [weak self] _ in
@@ -393,6 +396,7 @@ extension BookCoverViewController {
         }
         categorySelectionButton.addAction(selectCategoryAction, for: .touchUpInside)
     }
+
     private func configuredColorButtons() -> UIView {
         let firstLineColorButtonStackView  = UIStackView()
         firstLineColorButtonStackView.axis = .horizontal

MemorialHouse/MHPresentation/MHPresentation/Source/EditBook/View/EditBookViewController.swift

@@ -5,6 +5,10 @@ import Combine
 
 // TODO: - 페이지 없애는 기능 추가
 final class EditBookViewController: UIViewController {
+    enum Mode {
+        case create
+        case modify
+    }
     // MARK: - Constant
     static let buttonBottomConstant: CGFloat = -20
 
@@ -76,16 +80,24 @@ final class EditBookViewController: UIViewController {
     private let viewModel: EditBookViewModel
     private let input = PassthroughSubject<EditBookViewModel.Input, Never>()
     private var cancellables = Set<AnyCancellable>()
+    private let mode: Mode
 
     // MARK: - Initializer
-    init(viewModel: EditBookViewModel) {
+    init(
+        viewModel: EditBookViewModel,
+        mode: Mode = .create
+    ) {
         self.viewModel = viewModel
+        self.mode = mode
 
         super.init(nibName: nil, bundle: nil)
     }
+
     required init?(coder: NSCoder) {
         guard let viewModel = try? DIContainer.shared.resolve(EditBookViewModelFactory.self) else { return nil }
         self.viewModel = viewModel.make(bookID: .init())
+        self.mode = .create
+
         super.init(coder: coder)
     }
 
@@ -135,19 +147,28 @@ final class EditBookViewController: UIViewController {
             alert.addAction(UIAlertAction(title: "취소", style: .cancel))
             alert.addAction(UIAlertAction(title: "확인", style: .default) { _ in
                 self?.input.send(.didCancelButtonTapped)
-                self?.navigationController?.popViewController(animated: true)
             })
             self?.present(alert, animated: true)
         }
 
         // 네비게이션 오른쪽 아이템
-        navigationItem.rightBarButtonItem = UIBarButtonItem(
-            title: "기록 마치기",
-            normal: normalAttributes,
-            selected: selectedAttributes
-        ) { [weak self] in
-            self?.input.send(.didSaveButtonTapped)
-            self?.navigationController?.popToRootViewController(animated: true)
+        switch mode {
+        case .create:
+            navigationItem.rightBarButtonItem = UIBarButtonItem(
+                title: "기록 마치기",
+                normal: normalAttributes,
+                selected: selectedAttributes
+            ) { [weak self] in
+                self?.input.send(.didSaveButtonTapped)
+            }
+        case .modify:
+            navigationItem.rightBarButtonItem = UIBarButtonItem(
+                title: "수정 마치기",
+                normal: normalAttributes,
+                selected: selectedAttributes
+            ) { [weak self] in
+                self?.input.send(.didSaveButtonTapped)
+            }
         }
     }
     private func configureAddSubView() {
@@ -203,12 +224,24 @@ final class EditBookViewController: UIViewController {
     }
     private func configureBinding() {
         let output = viewModel.transform(input: input.eraseToAnyPublisher())
-        output.receive(on: DispatchQueue.main)
+
+        output
+            .receive(on: DispatchQueue.main)
             .sink { [weak self] event in
                 switch event {
-                case let .updateViewController(title):
+                case .updateViewController(let title):
                     self?.navigationItem.title = title
                     self?.editPageTableView.reloadData()
+                case .saveDone:
+                    guard let self else { return }
+                    switch self.mode {
+                    case .create:
+                        self.navigationController?.popToRootViewController(animated: true)
+                    case .modify:
+                        self.navigationController?.popViewController(animated: true)
+                    }
+                case .revokeDone:
+                    self?.navigationController?.popViewController(animated: true)
                 case .error(message: let message):
                     MHLogger.error(message) // TODO: - Alert 띄우기
                 }

MemorialHouse/MHPresentation/MHPresentation/Source/EditBook/ViewModel/EditBookViewModel.swift

@@ -15,6 +15,8 @@ final class EditBookViewModel: ViewModelType {
     }
     enum Output {
         case updateViewController(title: String)
+        case saveDone
+        case revokeDone
         case error(message: String)
     }
 
@@ -135,6 +137,7 @@ final class EditBookViewModel: ViewModelType {
         do {
             try await updateBookUseCase.execute(id: bookID, book: book)
             try await storeMediaUseCase.execute(to: bookID, mediaList: mediaList)
+            output.send(.saveDone)
         } catch {
             output.send(.error(message: "책을 저장하는데 실패했습니다."))
             MHLogger.error(error.localizedDescription + #function)
@@ -144,6 +147,7 @@ final class EditBookViewModel: ViewModelType {
     private func revokeMediaAll() async {
         do {
             try await storeMediaUseCase.execute(to: bookID, mediaList: nil)
+            output.send(.revokeDone)
         } catch {
             output.send(.error(message: "저장 취소하는데 실패했습니다."))
             MHLogger.error(error.localizedDescription + #function)
@@ -154,6 +158,7 @@ final class EditBookViewModel: ViewModelType {
     func numberOfPages() -> Int {
         return editPageViewModels.count
     }
+
     func editPageViewModel(at index: Int) -> EditPageViewModel {
         let editPageViewModel = editPageViewModels[index]
 

MemorialHouse/MHPresentation/MHPresentation/Source/ReadPage/View/ReadPageViewController.swift

@@ -57,7 +57,9 @@ final class ReadPageViewController: UIViewController {
     private func bind() {
         let output = viewModel.transform(input: input.eraseToAnyPublisher())
 
-        output.sink { [weak self] event in
+        output
+            .receive(on: DispatchQueue.main)
+            .sink { [weak self] event in
             switch event {
             case .loadPage(let page):
                 guard let page else { return }
@@ -68,8 +70,7 @@ final class ReadPageViewController: UIViewController {
                 // TODO: Alert 띄우기 ?
                 MHLogger.error(message)
             }
-        }
-        .store(in: &cancellables)
+        }.store(in: &cancellables)
     }
 
     // MARK: - Setup & Configure

MemorialHouse/MHPresentation/MHPresentation/Source/ReadPage/ViewModel/ReadPageViewModel.swift

@@ -45,7 +45,6 @@ public final class ReadPageViewModel: ViewModelType {
         return output.eraseToAnyPublisher()
     }
 
-    @MainActor
     private func loadMediaForData(media: MediaDescription) async {
         do {
             let mediaData: Data = try await fetchMediaUseCase.execute(media: media, in: bookID)