为资产模块新增相册管理与片花上传
为 album_list 与 album_trailer 接入首页路由，在 Profile 中新增 DEBUG 首页菜单预览，并扩展 Assets 测试。 Co-authored-by: Cursor <cursoragent@cursor.com>
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@ -578,3 +578,367 @@ final class MediaLibraryEditorViewModel {
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.joined(separator: ",")
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}
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}
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/// 相册列表 ViewModel，负责相册文件夹搜索、日期筛选、分页和新建相册。
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@MainActor
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@Observable
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final class AlbumListViewModel {
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var folders: [AlbumFolderItem] = []
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var total = 0
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var page = 1
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var searchText = ""
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var startTime = ""
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var endTime = ""
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var isLoading = false
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var isLoadingMore = false
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var isMutating = false
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var errorMessage: String?
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private let pageSize = 10
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/// 判断当前相册列表是否还有下一页。
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var hasMore: Bool {
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folders.count < total
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}
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/// 重新加载相册第一页。
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func reload(api: any AssetsServing, scenicId: Int?) async {
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guard let scenicId else {
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folders = []
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total = 0
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page = 1
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errorMessage = "缺少当前景区，无法加载相册"
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return
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}
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isLoading = true
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errorMessage = nil
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defer { isLoading = false }
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do {
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let payload = try await requestFolders(api: api, scenicId: scenicId, page: 1)
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self.page = 1
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folders = payload.list
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total = payload.total
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} catch {
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folders = []
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total = 0
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page = 1
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errorMessage = error.localizedDescription
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}
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}
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/// 加载相册下一页。
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func loadMore(api: any AssetsServing, scenicId: Int?) async {
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guard let scenicId, hasMore, !isLoadingMore else { return }
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isLoadingMore = true
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defer { isLoadingMore = false }
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do {
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let nextPage = page + 1
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let payload = try await requestFolders(api: api, scenicId: scenicId, page: nextPage)
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page = nextPage
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total = payload.total
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folders.append(contentsOf: payload.list)
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} catch {
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errorMessage = error.localizedDescription
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}
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}
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/// 新建相册并刷新列表。
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func createFolder(name: String, remark: String, scenicId: Int?, api: any AssetsServing) async -> Bool {
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let folderName = name.trimmingCharacters(in: .whitespacesAndNewlines)
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guard let scenicId else {
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errorMessage = "缺少当前景区，无法创建相册"
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return false
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}
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guard !folderName.isEmpty else {
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errorMessage = "请输入相册名称"
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return false
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}
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guard !isMutating else { return false }
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isMutating = true
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defer { isMutating = false }
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do {
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try await api.addAlbumFolder(scenicId: scenicId, name: folderName, remark: remark.trimmingCharacters(in: .whitespacesAndNewlines))
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await reload(api: api, scenicId: scenicId)
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return true
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} catch {
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errorMessage = error.localizedDescription
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return false
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}
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}
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/// 组装相册列表请求参数。
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private func requestFolders(api: any AssetsServing, scenicId: Int, page: Int) async throws -> ListPayload<AlbumFolderItem> {
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try await api.albumFolderList(
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scenicId: scenicId,
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page: page,
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pageSize: pageSize,
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name: searchText.trimmingCharacters(in: .whitespacesAndNewlines),
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startTime: startTime.trimmingCharacters(in: .whitespacesAndNewlines).assetsNilIfEmpty,
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endTime: endTime.trimmingCharacters(in: .whitespacesAndNewlines).assetsNilIfEmpty
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)
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}
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}
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/// 相册详情 ViewModel，负责相册信息、图片/视频列表和文件操作。
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@MainActor
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@Observable
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final class AlbumDetailViewModel {
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let folderId: Int
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var folder: AlbumFolderItem?
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var files: [AlbumFileItem] = []
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var selectedTab: AlbumFileTab = .image
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var total = 0
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var page = 1
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var isLoading = false
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var isLoadingMore = false
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var isMutating = false
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var errorMessage: String?
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private let pageSize = 20
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/// 初始化相册详情 ViewModel。
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init(folderId: Int, summary: AlbumFolderItem? = nil) {
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self.folderId = folderId
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folder = summary
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}
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/// 判断当前文件列表是否还有下一页。
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var hasMore: Bool {
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files.count < total
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}
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/// 重新加载相册信息和当前 Tab 文件列表。
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func reload(api: any AssetsServing, scenicId: Int?) async {
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guard let scenicId else {
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files = []
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total = 0
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page = 1
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errorMessage = "缺少当前景区，无法加载相册内容"
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return
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}
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isLoading = true
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errorMessage = nil
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defer { isLoading = false }
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do {
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folder = try await api.albumFolderInfo(id: folderId)
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let listPayload = try await api.albumFileList(
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scenicId: scenicId,
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folderId: folderId,
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fileType: selectedTab.rawValue,
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page: 1,
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pageSize: pageSize
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)
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files = listPayload.list
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total = listPayload.total
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page = 1
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} catch {
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page = 1
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errorMessage = error.localizedDescription
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}
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}
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/// 切换图片或视频列表并重新加载第一页。
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func selectTab(_ tab: AlbumFileTab, api: any AssetsServing, scenicId: Int?) async {
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guard selectedTab != tab else { return }
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selectedTab = tab
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files = []
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total = 0
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page = 1
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await reload(api: api, scenicId: scenicId)
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}
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/// 加载当前 Tab 下一页文件。
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func loadMore(api: any AssetsServing, scenicId: Int?) async {
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guard let scenicId, hasMore, !isLoadingMore else { return }
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isLoadingMore = true
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defer { isLoadingMore = false }
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do {
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let nextPage = page + 1
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let payload = try await api.albumFileList(
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scenicId: scenicId,
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folderId: folderId,
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fileType: selectedTab.rawValue,
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page: nextPage,
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pageSize: pageSize
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)
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page = nextPage
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total = payload.total
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files.append(contentsOf: payload.list)
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} catch {
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errorMessage = error.localizedDescription
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}
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}
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/// 删除相册文件并刷新当前列表。
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func delete(file: AlbumFileItem, scenicId: Int?, api: any AssetsServing) async -> Bool {
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await mutate(api: api, scenicId: scenicId) {
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try await api.deleteAlbumFiles(folderId: folderId, idList: [file.id])
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}
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}
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/// 将指定相册文件设为封面。
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func setCover(file: AlbumFileItem, scenicId: Int?, api: any AssetsServing) async -> Bool {
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await mutate(api: api, scenicId: scenicId) {
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try await api.editAlbumFolder(folderId: folderId, coverFileId: file.id, name: nil, remark: nil)
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}
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}
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/// 更新相册名称。
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func rename(name: String, scenicId: Int?, api: any AssetsServing) async -> Bool {
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let folderName = name.trimmingCharacters(in: .whitespacesAndNewlines)
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guard !folderName.isEmpty else {
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errorMessage = "请输入相册名称"
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return false
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}
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return await mutate(api: api, scenicId: scenicId) {
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try await api.editAlbumFolder(folderId: folderId, coverFileId: nil, name: folderName, remark: nil)
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}
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}
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/// 更新相册备注。
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func updateRemark(_ remark: String, scenicId: Int?, api: any AssetsServing) async -> Bool {
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await mutate(api: api, scenicId: scenicId) {
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try await api.editAlbumFolder(folderId: folderId, coverFileId: nil, name: nil, remark: remark.trimmingCharacters(in: .whitespacesAndNewlines))
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}
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}
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/// 执行相册变更操作并刷新详情。
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private func mutate(api: any AssetsServing, scenicId: Int?, operation: () async throws -> Void) async -> Bool {
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guard !isMutating else { return false }
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guard scenicId != nil else {
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errorMessage = "缺少当前景区，无法操作相册"
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return false
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}
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isMutating = true
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defer { isMutating = false }
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do {
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try await operation()
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await reload(api: api, scenicId: scenicId)
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return true
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} catch {
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errorMessage = error.localizedDescription
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return false
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}
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}
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}
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/// 相册预览上传 ViewModel，负责选择相册、本地文件上传和相册入库。
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@MainActor
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@Observable
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final class AlbumTrailerViewModel {
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var folders: [AlbumFolderItem] = []
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var selectedFolderId: Int?
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var localFiles: [AlbumLocalUploadFile] = []
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var uploadProgress = 0
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var isLoadingFolders = false
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var isSubmitting = false
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var errorMessage: String?
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var didUploadSuccessfully = false
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/// 加载可上传的相册列表。
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func loadFolders(api: any AssetsServing, scenicId: Int?) async {
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guard let scenicId else {
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folders = []
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selectedFolderId = nil
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errorMessage = "缺少当前景区，无法加载相册"
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return
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}
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isLoadingFolders = true
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errorMessage = nil
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defer { isLoadingFolders = false }
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do {
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let payload = try await api.albumFolderList(
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scenicId: scenicId,
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page: 1,
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pageSize: 100,
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name: "",
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startTime: nil,
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endTime: nil
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)
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folders = payload.list
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if selectedFolderId == nil {
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selectedFolderId = folders.first?.id
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}
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} catch {
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folders = []
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selectedFolderId = nil
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errorMessage = error.localizedDescription
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}
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}
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/// 添加本地待上传文件。
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func addLocalFiles(_ files: [AlbumLocalUploadFile]) {
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localFiles.append(contentsOf: files)
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}
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/// 移除一个本地待上传文件。
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func removeLocalFile(id: UUID) {
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localFiles.removeAll { $0.id == id }
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}
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/// 上传本地文件到 OSS，并登记到指定相册。
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func submit(scenicId: Int?, api: any AssetsServing, uploadService: any OSSUploadServing) async -> Bool {
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guard let scenicId else {
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errorMessage = "缺少当前景区，无法上传"
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return false
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}
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guard let folderId = selectedFolderId else {
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errorMessage = "请选择相册"
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return false
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}
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guard !localFiles.isEmpty else {
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errorMessage = "请选择要上传的图片或视频"
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return false
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}
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guard !isSubmitting else { return false }
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isSubmitting = true
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didUploadSuccessfully = false
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uploadProgress = 0
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defer { isSubmitting = false }
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do {
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let fileCount = max(localFiles.count, 1)
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for (index, file) in localFiles.enumerated() {
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let url = try await uploadService.uploadAlbumFile(
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data: file.data,
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fileName: file.fileName,
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fileType: file.fileType,
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scenicId: scenicId
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) { progress in
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Task { @MainActor in
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let base = Double(index) / Double(fileCount)
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let step = Double(progress) / Double(fileCount)
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self.uploadProgress = min(99, Int((base + step / 100) * 100))
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}
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}
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try await api.albumFileUploadURL(scenicId: scenicId, fileURL: url, folderId: folderId)
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}
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uploadProgress = 100
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didUploadSuccessfully = true
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localFiles = []
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return true
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} catch {
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errorMessage = error.localizedDescription
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return false
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}
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}
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}
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private extension String {
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/// 空字符串转 nil，方便可选筛选参数传递。
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var assetsNilIfEmpty: String? {
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isEmpty ? nil : self
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}
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}
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