Initial commit: suixinkan_ios UIKit rewrite project.
Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
974
suixinkan_ios/Features/Assets/ViewModels/AssetsViewModels.swift
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974
suixinkan_ios/Features/Assets/ViewModels/AssetsViewModels.swift
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@ -0,0 +1,974 @@
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//
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// AssetsViewModels.swift
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// suixinkan
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//
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// Created by Codex on 2026/6/23.
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//
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import Foundation
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/// 云盘传输记录仓库，保存本次 App 会话内的上传和下载进度。
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@MainActor
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final class CloudTransferStore {
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var onChange: (() -> Void)?
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static let shared = CloudTransferStore()
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private(set) var records: [CloudTransferItem] = [] { didSet { onChange?() } }
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/// 新增一条传输记录并返回记录 ID。
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@discardableResult
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func start(fileName: String, direction: CloudTransferDirection) -> UUID {
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let id = UUID()
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records.insert(CloudTransferItem(id: id, fileName: fileName, direction: direction), at: 0)
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return id
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}
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/// 更新指定传输记录的进度。
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func update(id: UUID, progress: Int, message: String = "") {
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guard let index = records.firstIndex(where: { $0.id == id }) else { return }
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records[index].progress = max(0, min(100, progress))
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if !message.isEmpty {
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records[index].message = message
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}
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}
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/// 标记指定传输记录成功。
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func succeed(id: UUID, message: String = "已完成") {
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guard let index = records.firstIndex(where: { $0.id == id }) else { return }
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records[index].progress = 100
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records[index].status = .success
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records[index].message = message
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}
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/// 标记指定传输记录失败。
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func fail(id: UUID, message: String) {
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guard let index = records.firstIndex(where: { $0.id == id }) else { return }
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records[index].status = .failed
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records[index].message = message
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}
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/// 清空当前会话传输记录。
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func clear() {
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records = []
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}
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}
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/// 云盘 ViewModel，负责文件列表、筛选、分页、文件操作和上传闭环。
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@MainActor
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final class CloudStorageViewModel {
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var onChange: (() -> Void)?
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var path: [CloudDriveFile] = [CloudDriveFile(id: 0, name: "云盘")] { didSet { onChange?() } }
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var files: [CloudDriveFile] = [] { didSet { onChange?() } }
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var total = 0 { didSet { onChange?() } }
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var page = 1 { didSet { onChange?() } }
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var searchText = "" { didSet { onChange?() } }
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var selectedFilter: CloudDriveFilter = .all { didSet { onChange?() } }
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var selectedSort: CloudDriveSort = .updatedDesc { didSet { onChange?() } }
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var isLoading = false { didSet { onChange?() } }
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var isLoadingMore = false { didSet { onChange?() } }
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var isMutating = false { didSet { onChange?() } }
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var errorMessage: String? { didSet { onChange?() } }
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private let pageSize = 20
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/// 当前目录 ID。
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var currentFolderId: Int {
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path.last?.id ?? 0
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}
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/// 判断当前目录是否还有下一页。
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var hasMore: Bool {
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files.count < total
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}
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/// 重新加载当前目录第一页。
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func reload(api: any AssetsServing) async {
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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 requestFiles(api: api, page: 1)
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page = 1
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files = payload.list
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total = payload.total
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} catch {
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files = []
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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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/// 加载当前目录下一页。
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func loadMore(api: any AssetsServing) async {
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guard 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 requestFiles(api: api, page: nextPage)
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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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/// 进入指定文件夹并刷新列表。
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func enterFolder(_ folder: CloudDriveFile, api: any AssetsServing) async {
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guard folder.isFolder else { return }
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path.append(folder)
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await reload(api: api)
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}
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/// 回到指定面包屑目录并刷新列表。
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func popToFolder(at index: Int, api: any AssetsServing) async {
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guard path.indices.contains(index) else { return }
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path = Array(path.prefix(index + 1))
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await reload(api: api)
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}
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/// 创建文件夹并刷新当前目录。
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func createFolder(name: String, 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 = "请输入文件夹名称"
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return false
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}
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return await mutate(api: api) {
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try await api.cloudFolderCreate(CloudFolderCreateRequest(parentFolderId: currentFolderId, name: folderName))
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}
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}
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/// 重命名文件或文件夹并刷新当前目录。
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func rename(_ item: CloudDriveFile, newName: String, api: any AssetsServing) async -> Bool {
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let fileName = newName.trimmingCharacters(in: .whitespacesAndNewlines)
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guard !fileName.isEmpty else {
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errorMessage = "请输入名称"
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return false
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}
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return await mutate(api: api) {
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if item.isFolder {
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try await api.cloudFolderEdit(CloudFolderModifyRequest(id: item.id, name: fileName))
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} else {
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try await api.cloudFileEdit(CloudFileModifyRequest(id: item.id, fileName: fileName))
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}
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}
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}
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/// 删除文件或文件夹并刷新当前目录。
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func delete(_ item: CloudDriveFile, api: any AssetsServing) async -> Bool {
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await mutate(api: api) {
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let action = CloudFileActionItem(id: item.id, type: item.type)
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try await api.cloudFileDelete(CloudFileDeleteRequest(list: [action]))
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}
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}
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/// 移动文件或文件夹并刷新当前目录。
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func move(_ item: CloudDriveFile, targetFolderId: Int, api: any AssetsServing) async -> Bool {
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await mutate(api: api) {
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let action = CloudFileActionItem(id: item.id, type: item.type)
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try await api.cloudFileMove(CloudFileMoveRequest(targetFolderId: targetFolderId, list: [action]))
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}
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}
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/// 上传本地文件到 OSS 后写入云盘。
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func upload(
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localFiles: [CloudLocalUploadFile],
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scenicId: Int?,
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api: any AssetsServing,
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uploadService: any OSSUploadServing,
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transferStore: CloudTransferStore
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) 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 !localFiles.isEmpty else { return true }
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isMutating = true
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defer { isMutating = false }
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do {
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let permission = try await api.checkCloudUploadPermission()
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guard permission.canUpload else {
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let reason = permission.reason.trimmingCharacters(in: .whitespacesAndNewlines)
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errorMessage = reason.isEmpty ? "当前账号暂无上传权限" : reason
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return false
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}
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for file in localFiles {
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let transferId = transferStore.start(fileName: file.fileName, direction: .upload)
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do {
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let url = try await uploadService.uploadCloudFile(
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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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transferStore.update(id: transferId, progress: progress)
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}
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}
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try await api.cloudFileUpload(
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CloudFileUploadRequest(parentFolderId: currentFolderId, fileUrl: url, fileName: file.fileName)
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)
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transferStore.succeed(id: transferId)
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} catch {
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transferStore.fail(id: transferId, message: error.localizedDescription)
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throw error
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}
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}
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await reload(api: api)
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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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/// 执行一次云盘变更操作并刷新当前目录。
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private func mutate(api: any AssetsServing, operation: () async throws -> Void) async -> Bool {
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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)
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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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/// 组装并发送云盘文件列表请求。
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private func requestFiles(api: any AssetsServing, page: Int) async throws -> ListPayload<CloudDriveFile> {
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try await api.cloudFileList(
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parentFolderId: currentFolderId,
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name: searchText.trimmingCharacters(in: .whitespacesAndNewlines),
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type: selectedFilter.rawValue,
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orderBy: selectedSort.rawValue,
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page: page,
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pageSize: pageSize
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)
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}
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}
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/// 媒体库 ViewModel，负责素材或样片列表、筛选、分页、详情和上下架。
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@MainActor
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final class MediaLibraryViewModel {
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var onChange: (() -> Void)?
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let kind: MediaLibraryKind
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var items: [MediaLibraryItem] = [] { didSet { onChange?() } }
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var selectedDetail: MediaLibraryDetail? { didSet { onChange?() } }
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var orderInfo: MediaLibraryOrderInfo? { didSet { onChange?() } }
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var total = 0 { didSet { onChange?() } }
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var page = 1 { didSet { onChange?() } }
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var keyword = "" { didSet { onChange?() } }
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var selectedAuditFilter: MediaLibraryAuditFilter = .all { didSet { onChange?() } }
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var isLoading = false { didSet { onChange?() } }
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var isLoadingMore = false { didSet { onChange?() } }
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var isLoadingDetail = false { didSet { onChange?() } }
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var errorMessage: String? { didSet { onChange?() } }
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private let pageSize = 10
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/// 初始化媒体库 ViewModel。
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init(kind: MediaLibraryKind = .material) {
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self.kind = kind
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}
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/// 判断当前列表是否还有下一页。
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var hasMore: Bool {
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items.count < total
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}
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/// 重新加载媒体库列表第一页。
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func reload(api: any AssetsServing) async {
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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 response = try await requestList(api: api, page: 1)
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page = 1
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items = response.list
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total = response.total
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orderInfo = response.order
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} catch {
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items = []
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total = 0
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orderInfo = nil
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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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/// 加载媒体库列表下一页。
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func loadMore(api: any AssetsServing) async {
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guard 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 response = try await requestList(api: api, page: nextPage)
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page = nextPage
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total = response.total
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orderInfo = response.order ?? orderInfo
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items.append(contentsOf: response.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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/// 加载媒体库详情，失败时保留已有详情或摘要。
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func loadDetail(id: Int, api: any AssetsServing) async {
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isLoadingDetail = true
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errorMessage = nil
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defer { isLoadingDetail = false }
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do {
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selectedDetail = try await api.mediaAlbumDetail(id: id, kind: kind)
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} catch {
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errorMessage = error.localizedDescription
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}
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}
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/// 更新素材或样片上下架状态，审核未通过时禁止操作。
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func toggleListing(_ item: MediaLibraryItem, api: any AssetsServing) async -> Bool {
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guard item.isApproved else {
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errorMessage = "审核通过后才能上下架"
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return false
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}
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return await operate(api: api) {
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let target = item.listing.toggled
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try await api.mediaAlbumOperation(MediaAlbumOperationRequest(id: item.id, type: kind.rawValue, listingStatus: target.rawValue))
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}
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}
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/// 更新素材或样片详情页上下架状态，审核未通过时禁止操作。
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func toggleListing(detail: MediaLibraryDetail, api: any AssetsServing) async -> Bool {
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guard detail.isApproved else {
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errorMessage = "审核通过后才能上下架"
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return false
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}
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return await operate(api: api) {
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let target = detail.listing.toggled
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try await api.mediaAlbumOperation(MediaAlbumOperationRequest(id: detail.id, type: kind.rawValue, listingStatus: target.rawValue))
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}
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}
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/// 删除素材或样片并刷新列表。
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func delete(id: Int, api: any AssetsServing) async -> Bool {
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await operate(api: api) {
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try await api.mediaAlbumDelete(MediaAlbumDeleteRequest(id: id, type: kind.rawValue))
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}
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}
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/// 执行媒体库变更操作并刷新列表。
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private func operate(api: any AssetsServing, operation: () async throws -> Void) async -> Bool {
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do {
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try await operation()
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await reload(api: api)
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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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/// 组装并发送媒体库列表请求。
|
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private func requestList(api: any AssetsServing, page: Int) async throws -> MediaLibraryListResponse {
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try await api.mediaAlbumList(
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kind: kind,
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keyword: keyword.trimmingCharacters(in: .whitespacesAndNewlines),
|
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status: selectedAuditFilter.rawValue >= 0 ? selectedAuditFilter.rawValue : nil,
|
||||
page: page,
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pageSize: pageSize
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||||
)
|
||||
}
|
||||
}
|
||||
|
||||
/// 媒体库上传编辑 ViewModel，负责表单校验、OSS 上传和提交素材或样片。
|
||||
@MainActor
|
||||
final class MediaLibraryEditorViewModel {
|
||||
var onChange: (() -> Void)?
|
||||
var name = "" { didSet { onChange?() } }
|
||||
var description = "" { didSet { onChange?() } }
|
||||
var selectedSpotId: Int? { didSet { onChange?() } }
|
||||
var selectedProjectId: Int? { didSet { onChange?() } }
|
||||
var projects: [PhotographerProjectItem] = [] { didSet { onChange?() } }
|
||||
var tagsText = "" { didSet { onChange?() } }
|
||||
var coverFile: MediaLocalUploadFile? { didSet { onChange?() } }
|
||||
var mediaFiles: [MediaLocalUploadFile] = [] { didSet { onChange?() } }
|
||||
var isSubmitting = false { didSet { onChange?() } }
|
||||
var isLoadingProjects = false { didSet { onChange?() } }
|
||||
var errorMessage: String? { didSet { onChange?() } }
|
||||
var didSubmitSuccessfully = false { didSet { onChange?() } }
|
||||
|
||||
private let editingId: Int?
|
||||
|
||||
/// 初始化上传或编辑素材表单。
|
||||
init(detail: MediaLibraryDetail? = nil) {
|
||||
editingId = detail?.id
|
||||
name = detail?.name ?? ""
|
||||
description = detail?.description ?? ""
|
||||
}
|
||||
|
||||
/// 判断当前是否处于编辑模式。
|
||||
var isEditing: Bool {
|
||||
editingId != nil
|
||||
}
|
||||
|
||||
/// 加载样片上传可关联的项目列表。
|
||||
func loadProjects(scenicId: Int?, api: any AssetsServing) async {
|
||||
guard let scenicId else {
|
||||
projects = []
|
||||
errorMessage = "缺少当前景区，无法加载项目"
|
||||
return
|
||||
}
|
||||
isLoadingProjects = true
|
||||
errorMessage = nil
|
||||
defer { isLoadingProjects = false }
|
||||
|
||||
do {
|
||||
let payload = try await api.projectList(scenicId: scenicId, name: nil, page: 1, pageSize: 50)
|
||||
projects = payload.list
|
||||
if let selectedProjectId, !projects.contains(where: { $0.id == selectedProjectId }) {
|
||||
self.selectedProjectId = nil
|
||||
}
|
||||
} catch {
|
||||
projects = []
|
||||
errorMessage = error.localizedDescription
|
||||
}
|
||||
}
|
||||
|
||||
/// 添加封面本地文件。
|
||||
func setCover(_ file: MediaLocalUploadFile) {
|
||||
coverFile = file
|
||||
}
|
||||
|
||||
/// 添加素材媒体文件。
|
||||
func addMediaFiles(_ files: [MediaLocalUploadFile]) {
|
||||
mediaFiles.append(contentsOf: files)
|
||||
}
|
||||
|
||||
/// 移除指定媒体文件。
|
||||
func removeMediaFile(id: UUID) {
|
||||
mediaFiles.removeAll { $0.id == id }
|
||||
}
|
||||
|
||||
/// 提交素材上传或编辑。
|
||||
func submit(
|
||||
kind: MediaLibraryKind = .material,
|
||||
scenicId: Int?,
|
||||
api: any AssetsServing,
|
||||
uploadService: any OSSUploadServing
|
||||
) async -> Bool {
|
||||
guard validate(kind: kind, scenicId: scenicId) else { return false }
|
||||
guard !isSubmitting else { return false }
|
||||
isSubmitting = true
|
||||
defer { isSubmitting = false }
|
||||
|
||||
do {
|
||||
let actualScenicId = scenicId ?? 0
|
||||
let coverUpload = try await uploadCover(scenicId: actualScenicId, uploadService: uploadService)
|
||||
let uploads = try await uploadMediaFiles(scenicId: actualScenicId, uploadService: uploadService)
|
||||
if let editingId {
|
||||
let request = MediaAlbumEditRequest(
|
||||
id: editingId,
|
||||
name: name.trimmingCharacters(in: .whitespacesAndNewlines),
|
||||
type: kind.rawValue,
|
||||
mediaType: resolvedMediaType(),
|
||||
mediaList: uploads,
|
||||
coverUrl: coverUpload.url,
|
||||
coverSize: coverUpload.size,
|
||||
scenicSpotId: selectedSpotId ?? 0,
|
||||
description: description,
|
||||
materialTag: normalizedTags()
|
||||
)
|
||||
try await api.mediaAlbumEdit(request)
|
||||
} else {
|
||||
let request = MediaAlbumUploadRequest(
|
||||
name: name.trimmingCharacters(in: .whitespacesAndNewlines),
|
||||
type: kind.rawValue,
|
||||
mediaType: resolvedMediaType(),
|
||||
mediaList: uploads,
|
||||
coverUrl: coverUpload.url,
|
||||
coverSize: coverUpload.size,
|
||||
scenicSpotId: selectedSpotId ?? 0,
|
||||
description: description,
|
||||
materialTag: normalizedTags(),
|
||||
projectId: kind == .sample ? (selectedProjectId ?? 0) : 0
|
||||
)
|
||||
try await api.mediaAlbumUpload(request)
|
||||
}
|
||||
didSubmitSuccessfully = true
|
||||
return true
|
||||
} catch {
|
||||
errorMessage = error.localizedDescription
|
||||
return false
|
||||
}
|
||||
}
|
||||
|
||||
/// 校验素材或样片表单。
|
||||
private func validate(kind: MediaLibraryKind, scenicId: Int?) -> Bool {
|
||||
let title = name.trimmingCharacters(in: .whitespacesAndNewlines)
|
||||
guard scenicId != nil else {
|
||||
errorMessage = "缺少当前景区，无法提交\(kind == .sample ? "样片" : "素材")"
|
||||
return false
|
||||
}
|
||||
guard !title.isEmpty else {
|
||||
errorMessage = "请输入\(kind == .sample ? "样片" : "素材")名称"
|
||||
return false
|
||||
}
|
||||
guard selectedSpotId != nil else {
|
||||
errorMessage = "请选择打卡点"
|
||||
return false
|
||||
}
|
||||
guard kind != .sample || selectedProjectId != nil else {
|
||||
errorMessage = "请选择关联项目"
|
||||
return false
|
||||
}
|
||||
guard coverFile != nil else {
|
||||
errorMessage = "请选择封面"
|
||||
return false
|
||||
}
|
||||
guard !mediaFiles.isEmpty else {
|
||||
errorMessage = "请选择\(kind == .sample ? "样片" : "素材")文件"
|
||||
return false
|
||||
}
|
||||
guard normalizedTags().count <= 120 else {
|
||||
errorMessage = "标签内容过长"
|
||||
return false
|
||||
}
|
||||
return true
|
||||
}
|
||||
|
||||
/// 上传封面并返回 URL 和尺寸。
|
||||
private func uploadCover(
|
||||
scenicId: Int,
|
||||
uploadService: any OSSUploadServing
|
||||
) async throws -> (url: String, size: MediaAlbumFileSize) {
|
||||
guard let coverFile else {
|
||||
throw APIError.emptyData
|
||||
}
|
||||
let url = try await uploadService.uploadCloudFile(
|
||||
data: coverFile.data,
|
||||
fileName: coverFile.fileName,
|
||||
fileType: coverFile.fileType,
|
||||
scenicId: scenicId,
|
||||
onProgress: { _ in }
|
||||
)
|
||||
return (url, MediaAlbumFileSize(width: coverFile.width, height: coverFile.height))
|
||||
}
|
||||
|
||||
/// 上传素材媒体文件并组装服务端请求项。
|
||||
private func uploadMediaFiles(
|
||||
scenicId: Int,
|
||||
uploadService: any OSSUploadServing
|
||||
) async throws -> [MediaAlbumUploadItem] {
|
||||
var result: [MediaAlbumUploadItem] = []
|
||||
for file in mediaFiles {
|
||||
let url = try await uploadService.uploadCloudFile(
|
||||
data: file.data,
|
||||
fileName: file.fileName,
|
||||
fileType: file.fileType,
|
||||
scenicId: scenicId,
|
||||
onProgress: { _ in }
|
||||
)
|
||||
result.append(
|
||||
MediaAlbumUploadItem(
|
||||
originalName: file.fileName,
|
||||
ossUrl: url,
|
||||
size: Int64(file.data.count),
|
||||
fileWidthSize: MediaAlbumFileSize(width: file.width, height: file.height)
|
||||
)
|
||||
)
|
||||
}
|
||||
return result
|
||||
}
|
||||
|
||||
/// 根据已选文件推断素材媒体类型。
|
||||
private func resolvedMediaType() -> Int {
|
||||
mediaFiles.contains { $0.fileType == 1 } ? 1 : 2
|
||||
}
|
||||
|
||||
/// 规范化用户输入的标签文本。
|
||||
private func normalizedTags() -> String {
|
||||
tagsText
|
||||
.split { $0 == "," || $0 == "，" || $0 == " " || $0 == "\n" }
|
||||
.map { String($0).trimmingCharacters(in: .whitespacesAndNewlines) }
|
||||
.filter { !$0.isEmpty }
|
||||
.joined(separator: ",")
|
||||
}
|
||||
}
|
||||
|
||||
/// 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。
|
||||
@MainActor
|
||||
final class AlbumListViewModel {
|
||||
var onChange: (() -> Void)?
|
||||
var folders: [AlbumFolderItem] = [] { didSet { onChange?() } }
|
||||
var total = 0 { didSet { onChange?() } }
|
||||
var page = 1 { didSet { onChange?() } }
|
||||
var searchText = "" { didSet { onChange?() } }
|
||||
var startTime = "" { didSet { onChange?() } }
|
||||
var endTime = "" { didSet { onChange?() } }
|
||||
var isLoading = false { didSet { onChange?() } }
|
||||
var isLoadingMore = false { didSet { onChange?() } }
|
||||
var isMutating = false { didSet { onChange?() } }
|
||||
var errorMessage: String? { didSet { onChange?() } }
|
||||
|
||||
private let pageSize = 10
|
||||
|
||||
/// 判断当前相册列表是否还有下一页。
|
||||
var hasMore: Bool {
|
||||
folders.count < total
|
||||
}
|
||||
|
||||
/// 重新加载相册第一页。
|
||||
func reload(api: any AssetsServing, scenicId: Int?) async {
|
||||
guard let scenicId else {
|
||||
folders = []
|
||||
total = 0
|
||||
page = 1
|
||||
errorMessage = "缺少当前景区，无法加载相册"
|
||||
return
|
||||
}
|
||||
|
||||
isLoading = true
|
||||
errorMessage = nil
|
||||
defer { isLoading = false }
|
||||
|
||||
do {
|
||||
let payload = try await requestFolders(api: api, scenicId: scenicId, page: 1)
|
||||
self.page = 1
|
||||
folders = payload.list
|
||||
total = payload.total
|
||||
} catch {
|
||||
folders = []
|
||||
total = 0
|
||||
page = 1
|
||||
errorMessage = error.localizedDescription
|
||||
}
|
||||
}
|
||||
|
||||
/// 加载相册下一页。
|
||||
func loadMore(api: any AssetsServing, scenicId: Int?) async {
|
||||
guard let scenicId, hasMore, !isLoadingMore else { return }
|
||||
isLoadingMore = true
|
||||
defer { isLoadingMore = false }
|
||||
|
||||
do {
|
||||
let nextPage = page + 1
|
||||
let payload = try await requestFolders(api: api, scenicId: scenicId, page: nextPage)
|
||||
page = nextPage
|
||||
total = payload.total
|
||||
folders.append(contentsOf: payload.list)
|
||||
} catch {
|
||||
errorMessage = error.localizedDescription
|
||||
}
|
||||
}
|
||||
|
||||
/// 新建相册并刷新列表。
|
||||
func createFolder(name: String, remark: String, scenicId: Int?, api: any AssetsServing) async -> Bool {
|
||||
let folderName = name.trimmingCharacters(in: .whitespacesAndNewlines)
|
||||
guard let scenicId else {
|
||||
errorMessage = "缺少当前景区，无法创建相册"
|
||||
return false
|
||||
}
|
||||
guard !folderName.isEmpty else {
|
||||
errorMessage = "请输入相册名称"
|
||||
return false
|
||||
}
|
||||
guard !isMutating else { return false }
|
||||
|
||||
isMutating = true
|
||||
defer { isMutating = false }
|
||||
|
||||
do {
|
||||
try await api.addAlbumFolder(scenicId: scenicId, name: folderName, remark: remark.trimmingCharacters(in: .whitespacesAndNewlines))
|
||||
await reload(api: api, scenicId: scenicId)
|
||||
return true
|
||||
} catch {
|
||||
errorMessage = error.localizedDescription
|
||||
return false
|
||||
}
|
||||
}
|
||||
|
||||
/// 组装相册列表请求参数。
|
||||
private func requestFolders(api: any AssetsServing, scenicId: Int, page: Int) async throws -> ListPayload<AlbumFolderItem> {
|
||||
try await api.albumFolderList(
|
||||
scenicId: scenicId,
|
||||
page: page,
|
||||
pageSize: pageSize,
|
||||
name: searchText.trimmingCharacters(in: .whitespacesAndNewlines),
|
||||
startTime: startTime.trimmingCharacters(in: .whitespacesAndNewlines).assetsNilIfEmpty,
|
||||
endTime: endTime.trimmingCharacters(in: .whitespacesAndNewlines).assetsNilIfEmpty
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
/// 相册详情 ViewModel，负责相册信息、图片/视频列表和文件操作。
|
||||
@MainActor
|
||||
final class AlbumDetailViewModel {
|
||||
var onChange: (() -> Void)?
|
||||
let folderId: Int
|
||||
var folder: AlbumFolderItem? { didSet { onChange?() } }
|
||||
var files: [AlbumFileItem] = [] { didSet { onChange?() } }
|
||||
var selectedTab: AlbumFileTab = .image { didSet { onChange?() } }
|
||||
var total = 0 { didSet { onChange?() } }
|
||||
var page = 1 { didSet { onChange?() } }
|
||||
var isLoading = false { didSet { onChange?() } }
|
||||
var isLoadingMore = false { didSet { onChange?() } }
|
||||
var isMutating = false { didSet { onChange?() } }
|
||||
var errorMessage: String? { didSet { onChange?() } }
|
||||
|
||||
private let pageSize = 20
|
||||
|
||||
/// 初始化相册详情 ViewModel。
|
||||
init(folderId: Int, summary: AlbumFolderItem? = nil) {
|
||||
self.folderId = folderId
|
||||
folder = summary
|
||||
}
|
||||
|
||||
/// 判断当前文件列表是否还有下一页。
|
||||
var hasMore: Bool {
|
||||
files.count < total
|
||||
}
|
||||
|
||||
/// 重新加载相册信息和当前 Tab 文件列表。
|
||||
func reload(api: any AssetsServing, scenicId: Int?) async {
|
||||
guard let scenicId else {
|
||||
files = []
|
||||
total = 0
|
||||
page = 1
|
||||
errorMessage = "缺少当前景区，无法加载相册内容"
|
||||
return
|
||||
}
|
||||
|
||||
isLoading = true
|
||||
errorMessage = nil
|
||||
defer { isLoading = false }
|
||||
|
||||
do {
|
||||
folder = try await api.albumFolderInfo(id: folderId)
|
||||
let listPayload = try await api.albumFileList(
|
||||
scenicId: scenicId,
|
||||
folderId: folderId,
|
||||
fileType: selectedTab.rawValue,
|
||||
page: 1,
|
||||
pageSize: pageSize
|
||||
)
|
||||
files = listPayload.list
|
||||
total = listPayload.total
|
||||
page = 1
|
||||
} catch {
|
||||
page = 1
|
||||
errorMessage = error.localizedDescription
|
||||
}
|
||||
}
|
||||
|
||||
/// 切换图片或视频列表并重新加载第一页。
|
||||
func selectTab(_ tab: AlbumFileTab, api: any AssetsServing, scenicId: Int?) async {
|
||||
guard selectedTab != tab else { return }
|
||||
selectedTab = tab
|
||||
files = []
|
||||
total = 0
|
||||
page = 1
|
||||
await reload(api: api, scenicId: scenicId)
|
||||
}
|
||||
|
||||
/// 加载当前 Tab 下一页文件。
|
||||
func loadMore(api: any AssetsServing, scenicId: Int?) async {
|
||||
guard let scenicId, hasMore, !isLoadingMore else { return }
|
||||
isLoadingMore = true
|
||||
defer { isLoadingMore = false }
|
||||
|
||||
do {
|
||||
let nextPage = page + 1
|
||||
let payload = try await api.albumFileList(
|
||||
scenicId: scenicId,
|
||||
folderId: folderId,
|
||||
fileType: selectedTab.rawValue,
|
||||
page: nextPage,
|
||||
pageSize: pageSize
|
||||
)
|
||||
page = nextPage
|
||||
total = payload.total
|
||||
files.append(contentsOf: payload.list)
|
||||
} catch {
|
||||
errorMessage = error.localizedDescription
|
||||
}
|
||||
}
|
||||
|
||||
/// 删除相册文件并刷新当前列表。
|
||||
func delete(file: AlbumFileItem, scenicId: Int?, api: any AssetsServing) async -> Bool {
|
||||
await mutate(api: api, scenicId: scenicId) {
|
||||
try await api.deleteAlbumFiles(folderId: folderId, idList: [file.id])
|
||||
}
|
||||
}
|
||||
|
||||
/// 将指定相册文件设为封面。
|
||||
func setCover(file: AlbumFileItem, scenicId: Int?, api: any AssetsServing) async -> Bool {
|
||||
await mutate(api: api, scenicId: scenicId) {
|
||||
try await api.editAlbumFolder(folderId: folderId, coverFileId: file.id, name: nil, remark: nil)
|
||||
}
|
||||
}
|
||||
|
||||
/// 更新相册名称。
|
||||
func rename(name: String, scenicId: Int?, api: any AssetsServing) async -> Bool {
|
||||
let folderName = name.trimmingCharacters(in: .whitespacesAndNewlines)
|
||||
guard !folderName.isEmpty else {
|
||||
errorMessage = "请输入相册名称"
|
||||
return false
|
||||
}
|
||||
return await mutate(api: api, scenicId: scenicId) {
|
||||
try await api.editAlbumFolder(folderId: folderId, coverFileId: nil, name: folderName, remark: nil)
|
||||
}
|
||||
}
|
||||
|
||||
/// 更新相册备注。
|
||||
func updateRemark(_ remark: String, scenicId: Int?, api: any AssetsServing) async -> Bool {
|
||||
await mutate(api: api, scenicId: scenicId) {
|
||||
try await api.editAlbumFolder(folderId: folderId, coverFileId: nil, name: nil, remark: remark.trimmingCharacters(in: .whitespacesAndNewlines))
|
||||
}
|
||||
}
|
||||
|
||||
/// 执行相册变更操作并刷新详情。
|
||||
private func mutate(api: any AssetsServing, scenicId: Int?, operation: () async throws -> Void) async -> Bool {
|
||||
guard !isMutating else { return false }
|
||||
guard scenicId != nil else {
|
||||
errorMessage = "缺少当前景区，无法操作相册"
|
||||
return false
|
||||
}
|
||||
isMutating = true
|
||||
defer { isMutating = false }
|
||||
|
||||
do {
|
||||
try await operation()
|
||||
await reload(api: api, scenicId: scenicId)
|
||||
return true
|
||||
} catch {
|
||||
errorMessage = error.localizedDescription
|
||||
return false
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// 相册预览上传 ViewModel，负责选择相册、本地文件上传和相册入库。
|
||||
@MainActor
|
||||
final class AlbumTrailerViewModel {
|
||||
var onChange: (() -> Void)?
|
||||
var folders: [AlbumFolderItem] = [] { didSet { onChange?() } }
|
||||
var selectedFolderId: Int? { didSet { onChange?() } }
|
||||
var localFiles: [AlbumLocalUploadFile] = [] { didSet { onChange?() } }
|
||||
var uploadProgress = 0 { didSet { onChange?() } }
|
||||
var isLoadingFolders = false { didSet { onChange?() } }
|
||||
var isSubmitting = false { didSet { onChange?() } }
|
||||
var errorMessage: String? { didSet { onChange?() } }
|
||||
var didUploadSuccessfully = false { didSet { onChange?() } }
|
||||
|
||||
/// 加载可上传的相册列表。
|
||||
func loadFolders(api: any AssetsServing, scenicId: Int?) async {
|
||||
guard let scenicId else {
|
||||
folders = []
|
||||
selectedFolderId = nil
|
||||
errorMessage = "缺少当前景区，无法加载相册"
|
||||
return
|
||||
}
|
||||
|
||||
isLoadingFolders = true
|
||||
errorMessage = nil
|
||||
defer { isLoadingFolders = false }
|
||||
|
||||
do {
|
||||
let payload = try await api.albumFolderList(
|
||||
scenicId: scenicId,
|
||||
page: 1,
|
||||
pageSize: 100,
|
||||
name: "",
|
||||
startTime: nil,
|
||||
endTime: nil
|
||||
)
|
||||
folders = payload.list
|
||||
if selectedFolderId == nil {
|
||||
selectedFolderId = folders.first?.id
|
||||
}
|
||||
} catch {
|
||||
folders = []
|
||||
selectedFolderId = nil
|
||||
errorMessage = error.localizedDescription
|
||||
}
|
||||
}
|
||||
|
||||
/// 添加本地待上传文件。
|
||||
func addLocalFiles(_ files: [AlbumLocalUploadFile]) {
|
||||
localFiles.append(contentsOf: files)
|
||||
}
|
||||
|
||||
/// 移除一个本地待上传文件。
|
||||
func removeLocalFile(id: UUID) {
|
||||
localFiles.removeAll { $0.id == id }
|
||||
}
|
||||
|
||||
/// 上传本地文件到 OSS，并登记到指定相册。
|
||||
func submit(scenicId: Int?, api: any AssetsServing, uploadService: any OSSUploadServing) async -> Bool {
|
||||
guard let scenicId else {
|
||||
errorMessage = "缺少当前景区，无法上传"
|
||||
return false
|
||||
}
|
||||
guard let folderId = selectedFolderId else {
|
||||
errorMessage = "请选择相册"
|
||||
return false
|
||||
}
|
||||
guard !localFiles.isEmpty else {
|
||||
errorMessage = "请选择要上传的图片或视频"
|
||||
return false
|
||||
}
|
||||
guard !isSubmitting else { return false }
|
||||
|
||||
isSubmitting = true
|
||||
didUploadSuccessfully = false
|
||||
uploadProgress = 0
|
||||
defer { isSubmitting = false }
|
||||
|
||||
do {
|
||||
let fileCount = max(localFiles.count, 1)
|
||||
for (index, file) in localFiles.enumerated() {
|
||||
let url = try await uploadService.uploadAlbumFile(
|
||||
data: file.data,
|
||||
fileName: file.fileName,
|
||||
fileType: file.fileType,
|
||||
scenicId: scenicId
|
||||
) { progress in
|
||||
Task { @MainActor in
|
||||
let base = Double(index) / Double(fileCount)
|
||||
let step = Double(progress) / Double(fileCount)
|
||||
self.uploadProgress = min(99, Int((base + step / 100) * 100))
|
||||
}
|
||||
}
|
||||
try await api.albumFileUploadURL(scenicId: scenicId, fileURL: url, folderId: folderId)
|
||||
}
|
||||
uploadProgress = 100
|
||||
didUploadSuccessfully = true
|
||||
localFiles = []
|
||||
return true
|
||||
} catch {
|
||||
errorMessage = error.localizedDescription
|
||||
return false
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private extension String {
|
||||
/// 空字符串转 nil，方便可选筛选参数传递。
|
||||
var assetsNilIfEmpty: String? {
|
||||
isEmpty ? nil : self
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user