248 lines
9.0 KiB
Swift
248 lines
9.0 KiB
Swift
//
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// CharacterDetailGalleryViewModel.swift
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// SodaLive
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//
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// Created by klaus on 9/2/25.
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//
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import Foundation
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import Combine
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import Moya
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final class CharacterDetailGalleryViewModel: ObservableObject {
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// MARK: - Published State
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@Published var isLoading: Bool = false
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@Published var errorMessage: String = ""
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@Published var isShowPurchaseDialog = false
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@Published var isShowImageViewer = false
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@Published var isShowPopup = false
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// Gallery Data
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@Published var totalCount: Int = 0
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@Published var ownedCount: Int = 0
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@Published var galleryItems: [CharacterImageListItemResponse] = []
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@Published var selectedImageIndex: Int = 0
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// MARK: - Private
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private let repository = CharacterDetailGalleryRepository()
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private var subscription = Set<AnyCancellable>()
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private var currentPage = 0
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private var isLoadingMore = false
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private var hasMorePages = true
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private var selectedItem: CharacterImageListItemResponse?
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var characterId: Int = 0
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// MARK: - Computed Properties
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var ownershipPercentage: Int {
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guard totalCount > 0 else { return 0 }
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return Int(round(Double(ownedCount) / Double(totalCount) * 100))
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}
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var ownedImages: [CharacterImageListItemResponse] {
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return galleryItems.filter { $0.isOwned }
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}
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var selectedItemPrice: String {
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return "\(selectedItem?.imagePriceCan ?? 0)캔으로 구매"
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}
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// MARK: - Public Methods
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func loadInitialData() {
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currentPage = 0
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hasMorePages = true
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galleryItems.removeAll()
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loadImageList()
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}
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func loadMoreIfNeeded(currentItem: CharacterImageListItemResponse) {
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guard !isLoadingMore,
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hasMorePages,
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let lastItem = galleryItems.last,
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lastItem.id == currentItem.id else { return }
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loadMoreImages()
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}
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func onImageTapped(_ item: CharacterImageListItemResponse, index: Int) {
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selectedItem = item
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if item.isOwned {
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// 소유한 이미지 - 전체화면 뷰어 표시
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selectedImageIndex = ownedImages.firstIndex { $0.id == item.id } ?? 0
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isShowImageViewer = true
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} else {
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// 미소유 이미지 - 구매 다이얼로그 표시
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selectedImageIndex = index
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isShowPurchaseDialog = true
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}
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}
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func onPurchaseConfirm() {
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isShowPurchaseDialog = false
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if isLoading {
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return
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}
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if let imageItem = selectedItem {
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isLoading = true
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repository.purchaseCharacterImage(imageId: imageItem.id)
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.sink { result in
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switch result {
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case .finished:
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DEBUG_LOG("finish")
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case .failure(let error):
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ERROR_LOG(error.localizedDescription)
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}
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} receiveValue: { [unowned self] response in
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let responseData = response.data
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self.isLoading = false
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do {
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let jsonDecoder = JSONDecoder()
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let decoded = try jsonDecoder.decode(ApiResponse<CharacterImagePurchaseResponse>.self, from: responseData)
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if let data = decoded.data, decoded.success {
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var copyGalleryItems = self.galleryItems
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copyGalleryItems[self.selectedImageIndex].imageUrl = data.imageUrl
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copyGalleryItems[self.selectedImageIndex].isOwned = true
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self.galleryItems = copyGalleryItems
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self.ownedCount += 1
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} else {
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if let message = decoded.message {
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self.errorMessage = message
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} else {
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self.errorMessage = "다시 시도해 주세요.\n계속 같은 문제가 발생할 경우 고객센터로 문의 주시기 바랍니다."
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}
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self.isShowPopup = true
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}
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self.selectedImageIndex = 0
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self.selectedItem = nil
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} catch {
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self.selectedImageIndex = 0
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self.selectedItem = nil
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ERROR_LOG(String(describing: error))
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self.errorMessage = "다시 시도해 주세요.\n계속 같은 문제가 발생할 경우 고객센터로 문의 주시기 바랍니다."
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self.isShowPopup = true
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}
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}
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.store(in: &subscription)
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} else {
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isShowPurchaseDialog = false
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}
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}
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func onPurchaseCancel() {
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isShowPurchaseDialog = false
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selectedItem = nil
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}
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// MARK: - Private Methods
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private func loadImageList() {
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guard !isLoading else { return }
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isLoading = true
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repository.getCharacterImageList(
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characterId: characterId,
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page: currentPage,
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size: 20
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)
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.receive(on: DispatchQueue.main)
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.sink { result in
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switch result {
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case .finished:
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DEBUG_LOG("finish")
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case .failure(let error):
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ERROR_LOG(error.localizedDescription)
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}
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} receiveValue: { [weak self] response in
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let responseData = response.data
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self?.isLoading = false
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do {
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let jsonDecoder = JSONDecoder()
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let decoded = try jsonDecoder.decode(ApiResponse<CharacterImageListResponse>.self, from: responseData)
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if let data = decoded.data, decoded.success {
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self?.handleImageListResponse(data)
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} else {
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if let message = decoded.message {
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self?.errorMessage = message
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} else {
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self?.errorMessage = "다시 시도해 주세요.\n계속 같은 문제가 발생할 경우 고객센터로 문의 주시기 바랍니다."
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}
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self?.isShowPopup = true
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}
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} catch {
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ERROR_LOG(String(describing: error))
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self?.errorMessage = "다시 시도해 주세요.\n계속 같은 문제가 발생할 경우 고객센터로 문의 주시기 바랍니다."
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self?.isShowPopup = true
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}
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}
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.store(in: &subscription)
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}
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private func loadMoreImages() {
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guard !isLoadingMore, hasMorePages else { return }
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isLoadingMore = true
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currentPage += 1
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repository.getCharacterImageList(
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characterId: characterId,
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page: currentPage,
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size: 20
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)
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.receive(on: DispatchQueue.main)
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.sink { result in
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switch result {
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case .finished:
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DEBUG_LOG("finish")
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case .failure(let error):
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ERROR_LOG(error.localizedDescription)
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}
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} receiveValue: { [weak self] response in
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let responseData = response.data
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self?.isLoading = false
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do {
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let jsonDecoder = JSONDecoder()
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let decoded = try jsonDecoder.decode(ApiResponse<CharacterImageListResponse>.self, from: responseData)
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if let data = decoded.data, decoded.success {
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self?.handleImageListResponse(data)
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} else {
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if let message = decoded.message {
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self?.errorMessage = message
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} else {
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self?.errorMessage = "다시 시도해 주세요.\n계속 같은 문제가 발생할 경우 고객센터로 문의 주시기 바랍니다."
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}
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self?.isShowPopup = true
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}
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} catch {
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ERROR_LOG(String(describing: error))
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self?.errorMessage = "다시 시도해 주세요.\n계속 같은 문제가 발생할 경우 고객센터로 문의 주시기 바랍니다."
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self?.isShowPopup = true
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}
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}
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.store(in: &subscription)
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}
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private func handleImageListResponse(_ response: CharacterImageListResponse) {
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totalCount = response.totalCount
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ownedCount = response.ownedCount
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galleryItems = response.items
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hasMorePages = response.items.count >= 20
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}
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private func handleMoreImagesResponse(_ response: CharacterImageListResponse) {
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galleryItems.append(contentsOf: response.items)
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hasMorePages = response.items.count >= 20
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}
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}
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