feat(character-detail, gallery): 캐릭터 상세 갤러리 - 이미지 리스트 API 연동

CharacterDetailView에 갤러리 탭을 추가하고, 갤러리 화면/상태 관리/네트워킹을
구현했습니다. 소유/미소유 UI, 페이지네이션, 이미지 뷰어, 오류 토스트를 포함합니다.

TODO: 이미지 구매 API 연동
This commit is contained in:
Yu Sung
2025-09-02 03:47:41 +09:00
parent 392184fd34
commit 7c031daebf
7 changed files with 346 additions and 36 deletions

View File

@@ -13,11 +13,184 @@ final class CharacterDetailGalleryViewModel: ObservableObject {
// MARK: - Published State
@Published var isLoading: Bool = false
@Published var errorMessage: String = ""
@Published var isShowPurchaseDialog = false
@Published var isShowImageViewer = false
@Published var isShowPopup = false
// Gallery Data
@Published var totalCount: Int = 0
@Published var ownedCount: Int = 0
@Published var galleryItems: [CharacterImageListItemResponse] = []
@Published var selectedImageIndex: Int = 0
// MARK: - Private
private let repository = CharacterDetailGalleryRepository()
private var subscription = Set<AnyCancellable>()
private var currentPage = 0
private var isLoadingMore = false
private var hasMorePages = true
private var selectedItem: CharacterImageListItemResponse?
var characterId: Int = 0
// MARK: - Computed Properties
var ownershipPercentage: Int {
guard totalCount > 0 else { return 0 }
return Int(round(Double(ownedCount) / Double(totalCount) * 100))
}
var ownedImages: [CharacterImageListItemResponse] {
return galleryItems.filter { $0.isOwned }
}
var selectedItemPrice: String {
return "\(selectedItem?.imagePriceCan ?? 0)캔으로 구매"
}
// MARK: - Public Methods
func loadInitialData() {
currentPage = 0
hasMorePages = true
galleryItems.removeAll()
loadImageList()
}
func loadMoreIfNeeded(currentItem: CharacterImageListItemResponse) {
guard !isLoadingMore,
hasMorePages,
let lastItem = galleryItems.last,
lastItem.id == currentItem.id else { return }
loadMoreImages()
}
func onImageTapped(_ item: CharacterImageListItemResponse, index: Int) {
selectedItem = item
if item.isOwned {
// -
selectedImageIndex = ownedImages.firstIndex { $0.id == item.id } ?? 0
isShowImageViewer = true
} else {
// -
isShowPurchaseDialog = true
}
}
func onPurchaseConfirm() {
// TODO: API
print("구매 확인: \(selectedItem?.id ?? 0)")
isShowPurchaseDialog = false
}
func onPurchaseCancel() {
isShowPurchaseDialog = false
selectedItem = nil
}
// MARK: - Private Methods
private func loadImageList() {
guard !isLoading else { return }
isLoading = true
repository.getCharacterImageList(
characterId: characterId,
page: currentPage,
size: 20
)
.receive(on: DispatchQueue.main)
.sink { result in
switch result {
case .finished:
DEBUG_LOG("finish")
case .failure(let error):
ERROR_LOG(error.localizedDescription)
}
} receiveValue: { [weak self] response in
let responseData = response.data
self?.isLoading = false
do {
let jsonDecoder = JSONDecoder()
let decoded = try jsonDecoder.decode(ApiResponse<CharacterImageListResponse>.self, from: responseData)
if let data = decoded.data, decoded.success {
self?.handleImageListResponse(data)
} else {
if let message = decoded.message {
self?.errorMessage = message
} else {
self?.errorMessage = "다시 시도해 주세요.\n계속 같은 문제가 발생할 경우 고객센터로 문의 주시기 바랍니다."
}
self?.isShowPopup = true
}
} catch {
ERROR_LOG(String(describing: error))
self?.errorMessage = "다시 시도해 주세요.\n계속 같은 문제가 발생할 경우 고객센터로 문의 주시기 바랍니다."
self?.isShowPopup = true
}
}
.store(in: &subscription)
}
private func loadMoreImages() {
guard !isLoadingMore, hasMorePages else { return }
isLoadingMore = true
currentPage += 1
repository.getCharacterImageList(
characterId: characterId,
page: currentPage,
size: 20
)
.receive(on: DispatchQueue.main)
.sink { result in
switch result {
case .finished:
DEBUG_LOG("finish")
case .failure(let error):
ERROR_LOG(error.localizedDescription)
}
} receiveValue: { [weak self] response in
let responseData = response.data
self?.isLoading = false
do {
let jsonDecoder = JSONDecoder()
let decoded = try jsonDecoder.decode(ApiResponse<CharacterImageListResponse>.self, from: responseData)
if let data = decoded.data, decoded.success {
self?.handleImageListResponse(data)
} else {
if let message = decoded.message {
self?.errorMessage = message
} else {
self?.errorMessage = "다시 시도해 주세요.\n계속 같은 문제가 발생할 경우 고객센터로 문의 주시기 바랍니다."
}
self?.isShowPopup = true
}
} catch {
ERROR_LOG(String(describing: error))
self?.errorMessage = "다시 시도해 주세요.\n계속 같은 문제가 발생할 경우 고객센터로 문의 주시기 바랍니다."
self?.isShowPopup = true
}
}
.store(in: &subscription)
}
private func handleImageListResponse(_ response: CharacterImageListResponse) {
totalCount = response.totalCount
ownedCount = response.ownedCount
galleryItems = response.items
hasMorePages = response.items.count >= 20
}
private func handleMoreImagesResponse(_ response: CharacterImageListResponse) {
galleryItems.append(contentsOf: response.items)
hasMorePages = response.items.count >= 20
}
}