汉秋
703078352c
将最低部署版本降至 iOS 16，以 ObservableObject 替换 @Observable，新增导航与 UI 兼容层，并补充登录冒烟 UI 测试。 Co-authored-by: Cursor <cursoragent@cursor.com>
705 lines
28 KiB
Swift
705 lines
28 KiB
Swift
//
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// AlbumViews.swift
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// suixinkan
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//
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// Created by Codex on 2026/6/24.
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//
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import AVKit
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import PhotosUI
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import SwiftUI
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import UniformTypeIdentifiers
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/// 相册管理页面，展示相册列表、筛选和新建相册入口。
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struct AlbumListView: View {
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@EnvironmentObject private var accountContext: AccountContext
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@Environment(\.assetsAPI) private var assetsAPI
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@EnvironmentObject private var toastCenter: ToastCenter
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@Environment(\.globalLoading) private var globalLoading
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@StateObject private var viewModel = AlbumListViewModel()
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@State private var showCreateSheet = false
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@State private var newAlbumName = ""
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@State private var newAlbumRemark = ""
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var body: some View {
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ScrollView {
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LazyVStack(spacing: AppMetrics.Spacing.medium) {
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filterSection
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contentSection
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}
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.padding(.horizontal, AppMetrics.Spacing.pageHorizontal)
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.padding(.vertical, AppMetrics.Spacing.medium)
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}
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.background(Color(hex: 0xF5F7FA))
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.navigationTitle("相册管理")
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.navigationBarTitleDisplayMode(.inline)
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.toolbar {
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ToolbarItemGroup(placement: .topBarTrailing) {
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NavigationLink {
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AlbumTrailerEntryView()
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} label: {
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Image(systemName: "square.and.arrow.up")
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}
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.accessibilityLabel("相册预览上传")
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Button {
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newAlbumName = ""
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newAlbumRemark = ""
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showCreateSheet = true
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} label: {
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Image(systemName: "folder.badge.plus")
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}
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.accessibilityLabel("新建相册")
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}
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}
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.refreshable { await reload(showLoading: false) }
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.task(id: accountContext.currentScenic?.id) {
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await reload(showLoading: viewModel.folders.isEmpty)
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}
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.sheet(isPresented: $showCreateSheet) {
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AlbumCreateFolderSheet(name: $newAlbumName, remark: $newAlbumRemark) {
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Task { await createAlbum() }
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}
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.presentationDetents([.medium])
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}
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}
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/// 筛选区域，包含搜索和日期输入。
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private var filterSection: some View {
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VStack(spacing: AppMetrics.Spacing.small) {
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HStack(spacing: AppMetrics.Spacing.small) {
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Image(systemName: "magnifyingglass")
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.foregroundStyle(AppDesign.placeholder)
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TextField("搜索相册名称", text: $viewModel.searchText)
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.submitLabel(.search)
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.onSubmit { Task { await reload(showLoading: true) } }
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Button("搜索") {
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Task { await reload(showLoading: true) }
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}
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.font(.system(size: AppMetrics.FontSize.subheadline, weight: .semibold))
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.foregroundStyle(AppDesign.primary)
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}
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.appInputFieldStyle(cornerRadius: AppMetrics.CornerRadius.input, minHeight: AppMetrics.ControlSize.inputHeight)
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HStack(spacing: AppMetrics.Spacing.small) {
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TextField("开始日期 yyyy-MM-dd", text: $viewModel.startTime)
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.textInputAutocapitalization(.never)
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.appInputFieldStyle(cornerRadius: AppMetrics.CornerRadius.input, minHeight: AppMetrics.ControlSize.inputHeight)
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TextField("结束日期 yyyy-MM-dd", text: $viewModel.endTime)
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.textInputAutocapitalization(.never)
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.appInputFieldStyle(cornerRadius: AppMetrics.CornerRadius.input, minHeight: AppMetrics.ControlSize.inputHeight)
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}
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Button {
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Task { await reload(showLoading: true) }
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} label: {
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Label("应用筛选", systemImage: "line.3.horizontal.decrease.circle")
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.frame(maxWidth: .infinity)
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}
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.buttonStyle(.bordered)
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}
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.padding(AppMetrics.Spacing.medium)
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.background(.white, in: RoundedRectangle(cornerRadius: AppMetrics.CornerRadius.card))
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}
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/// 相册列表内容区域。
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@ViewBuilder
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private var contentSection: some View {
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if viewModel.folders.isEmpty {
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AssetsEmptyState(title: "暂无相册", message: viewModel.errorMessage ?? "当前景区还没有相册。")
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} else {
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ForEach(viewModel.folders) { folder in
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NavigationLink {
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AlbumDetailView(folderId: folder.id, summary: folder)
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} label: {
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AlbumFolderRow(folder: folder)
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}
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.buttonStyle(.plain)
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.onAppear {
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guard folder.id == viewModel.folders.last?.id else { return }
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Task { await viewModel.loadMore(api: assetsAPI, scenicId: accountContext.currentScenic?.id) }
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}
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}
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if viewModel.isLoadingMore {
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ProgressView()
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.padding(.vertical, AppMetrics.Spacing.small)
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}
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}
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}
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/// 重新加载相册列表。
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private func reload(showLoading: Bool) async {
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await globalLoading.withOptionalLoading(showLoading && accountContext.currentScenic?.id != nil) {
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await viewModel.reload(api: assetsAPI, scenicId: accountContext.currentScenic?.id)
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}
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if let message = viewModel.errorMessage {
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toastCenter.show(message)
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}
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}
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/// 创建相册。
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private func createAlbum() async {
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let success = await globalLoading.withLoading {
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await viewModel.createFolder(
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name: newAlbumName,
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remark: newAlbumRemark,
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scenicId: accountContext.currentScenic?.id,
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api: assetsAPI
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)
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}
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toastCenter.show(success ? "相册已创建" : (viewModel.errorMessage ?? "创建失败"))
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if success {
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showCreateSheet = false
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}
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}
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}
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/// 相册详情页面，展示图片/视频列表并支持封面、删除和编辑。
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struct AlbumDetailView: View {
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@EnvironmentObject private var accountContext: AccountContext
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@Environment(\.assetsAPI) private var assetsAPI
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@EnvironmentObject private var toastCenter: ToastCenter
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@Environment(\.globalLoading) private var globalLoading
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@StateObject private var viewModel: AlbumDetailViewModel
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@State private var actionFile: AlbumFileItem?
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@State private var previewFile: AlbumFileItem?
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@State private var showRenameSheet = false
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@State private var showRemarkSheet = false
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@State private var showUploadSheet = false
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@State private var renameText = ""
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@State private var remarkText = ""
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/// 初始化相册详情页面。
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init(folderId: Int, summary: AlbumFolderItem? = nil) {
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_viewModel = StateObject(wrappedValue: AlbumDetailViewModel(folderId: folderId, summary: summary))
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}
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var body: some View {
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ScrollView {
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LazyVStack(spacing: AppMetrics.Spacing.medium) {
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headerSection
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tabSection
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filesSection
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}
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.padding(.horizontal, AppMetrics.Spacing.pageHorizontal)
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.padding(.vertical, AppMetrics.Spacing.medium)
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}
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.background(Color(hex: 0xF5F7FA))
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.navigationTitle(viewModel.folder?.name ?? "相册详情")
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.navigationBarTitleDisplayMode(.inline)
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.toolbar {
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ToolbarItemGroup(placement: .topBarTrailing) {
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Button {
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showUploadSheet = true
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} label: {
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Image(systemName: "square.and.arrow.up")
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}
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.accessibilityLabel("上传预览")
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Menu {
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Button("编辑名称") {
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renameText = viewModel.folder?.name ?? ""
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showRenameSheet = true
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}
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Button("编辑备注") {
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remarkText = viewModel.folder?.remark ?? ""
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showRemarkSheet = true
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}
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} label: {
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Image(systemName: "ellipsis.circle")
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}
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}
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}
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.refreshable { await reload(showLoading: false) }
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.task(id: accountContext.currentScenic?.id) {
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await reload(showLoading: viewModel.files.isEmpty)
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}
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.confirmationDialog("文件操作", isPresented: actionDialogBinding, presenting: actionFile) { file in
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Button("预览") { previewFile = file }
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Button("设为封面") { Task { await setCover(file) } }
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Button("删除", role: .destructive) { Task { await delete(file) } }
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}
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.sheet(item: $previewFile) { file in
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AlbumPreviewView(file: file)
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}
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.sheet(isPresented: $showUploadSheet) {
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AlbumTrailerUploadView(initialFolderId: viewModel.folderId) {
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Task { await reload(showLoading: false) }
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}
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}
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.alert("编辑相册名称", isPresented: $showRenameSheet) {
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TextField("相册名称", text: $renameText)
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Button("取消", role: .cancel) {}
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Button("保存") { Task { await rename() } }
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}
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.alert("编辑相册备注", isPresented: $showRemarkSheet) {
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TextField("备注", text: $remarkText)
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Button("取消", role: .cancel) {}
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Button("保存") { Task { await updateRemark() } }
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}
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}
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/// 相册头部信息。
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private var headerSection: some View {
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HStack(spacing: AppMetrics.Spacing.medium) {
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RemoteImage(urlString: viewModel.folder?.coverURLString ?? "", contentMode: .fill) {
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Image(systemName: "photo.on.rectangle")
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.font(.system(size: 32, weight: .semibold))
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.foregroundStyle(AppDesign.primary)
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.frame(maxWidth: .infinity, maxHeight: .infinity)
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.background(AppDesign.primarySoft)
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}
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.frame(width: 92, height: 92)
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.clipShape(RoundedRectangle(cornerRadius: AppMetrics.CornerRadius.card))
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VStack(alignment: .leading, spacing: AppMetrics.Spacing.xSmall) {
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Text(viewModel.folder?.name ?? "相册")
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.font(.system(size: AppMetrics.FontSize.title3, weight: .semibold))
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.foregroundStyle(AppDesign.textPrimary)
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.lineLimit(2)
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Text("图片 \(viewModel.folder?.countImage ?? 0) · 视频 \(viewModel.folder?.countVideo ?? 0)")
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.font(.system(size: AppMetrics.FontSize.subheadline))
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.foregroundStyle(AppDesign.textSecondary)
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Text(viewModel.folder?.remark.assetsDisplayText ?? "暂无备注")
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.font(.system(size: AppMetrics.FontSize.caption))
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.foregroundStyle(AppDesign.textSecondary)
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.lineLimit(2)
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}
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Spacer()
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}
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.padding(AppMetrics.Spacing.medium)
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.background(.white, in: RoundedRectangle(cornerRadius: AppMetrics.CornerRadius.card))
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}
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/// 图片/视频分段切换。
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private var tabSection: some View {
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Picker("文件类型", selection: $viewModel.selectedTab) {
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ForEach(AlbumFileTab.allCases) { tab in
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Text(tab.title).tag(tab)
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}
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}
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.pickerStyle(.segmented)
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.onChange(of: viewModel.selectedTab) { tab in
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Task { await viewModel.selectTab(tab, api: assetsAPI, scenicId: accountContext.currentScenic?.id) }
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}
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}
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/// 文件网格内容区域。
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@ViewBuilder
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private var filesSection: some View {
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if viewModel.files.isEmpty {
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AssetsEmptyState(title: "暂无\(viewModel.selectedTab.title)", message: viewModel.errorMessage ?? "这个相册还没有\(viewModel.selectedTab.title)文件。")
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} else {
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LazyVGrid(columns: [GridItem(.adaptive(minimum: 150), spacing: AppMetrics.Spacing.medium)], spacing: AppMetrics.Spacing.medium) {
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ForEach(viewModel.files) { file in
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AlbumFileCard(file: file) {
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previewFile = file
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} moreAction: {
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actionFile = file
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}
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.onAppear {
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guard file.id == viewModel.files.last?.id else { return }
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Task { await viewModel.loadMore(api: assetsAPI, scenicId: accountContext.currentScenic?.id) }
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}
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}
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}
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if viewModel.isLoadingMore {
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ProgressView()
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.padding(.vertical, AppMetrics.Spacing.small)
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}
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}
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}
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/// 文件操作弹窗绑定。
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private var actionDialogBinding: Binding<Bool> {
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Binding(
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get: { actionFile != nil },
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set: { isPresented in
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if !isPresented { actionFile = nil }
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}
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)
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}
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/// 重新加载相册详情。
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private func reload(showLoading: Bool) async {
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await globalLoading.withOptionalLoading(showLoading && accountContext.currentScenic?.id != nil) {
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await viewModel.reload(api: assetsAPI, scenicId: accountContext.currentScenic?.id)
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}
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if let message = viewModel.errorMessage {
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toastCenter.show(message)
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}
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}
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/// 设置文件为相册封面。
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private func setCover(_ file: AlbumFileItem) async {
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let success = await globalLoading.withLoading {
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await viewModel.setCover(file: file, scenicId: accountContext.currentScenic?.id, api: assetsAPI)
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}
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toastCenter.show(success ? "已设为封面" : (viewModel.errorMessage ?? "设置失败"))
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}
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/// 删除相册文件。
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private func delete(_ file: AlbumFileItem) async {
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let success = await globalLoading.withLoading {
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await viewModel.delete(file: file, scenicId: accountContext.currentScenic?.id, api: assetsAPI)
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}
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toastCenter.show(success ? "已删除" : (viewModel.errorMessage ?? "删除失败"))
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}
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/// 保存相册名称。
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private func rename() async {
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let success = await globalLoading.withLoading {
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await viewModel.rename(name: renameText, scenicId: accountContext.currentScenic?.id, api: assetsAPI)
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}
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toastCenter.show(success ? "已保存" : (viewModel.errorMessage ?? "保存失败"))
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}
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/// 保存相册备注。
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private func updateRemark() async {
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let success = await globalLoading.withLoading {
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await viewModel.updateRemark(remarkText, scenicId: accountContext.currentScenic?.id, api: assetsAPI)
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}
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toastCenter.show(success ? "已保存" : (viewModel.errorMessage ?? "保存失败"))
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}
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}
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/// 相册预览上传入口页面，用于从首页选择相册并上传文件。
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struct AlbumTrailerEntryView: View {
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var body: some View {
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AlbumTrailerUploadView(initialFolderId: nil, onUploaded: nil)
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.navigationTitle("相册预览上传")
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.navigationBarTitleDisplayMode(.inline)
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}
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}
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/// 相册预览上传页面，负责选择相册、本地文件和提交上传。
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struct AlbumTrailerUploadView: View {
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@EnvironmentObject private var accountContext: AccountContext
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@Environment(\.assetsAPI) private var assetsAPI
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@Environment(\.ossUploadService) private var uploadService
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@EnvironmentObject private var toastCenter: ToastCenter
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@Environment(\.dismiss) private var dismiss
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@Environment(\.globalLoading) private var globalLoading
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@StateObject private var viewModel = AlbumTrailerViewModel()
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@State private var selectedItems: [PhotosPickerItem] = []
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let initialFolderId: Int?
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let onUploaded: (() -> Void)?
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var body: some View {
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ScrollView {
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VStack(spacing: AppMetrics.Spacing.medium) {
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folderPickerSection
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filePickerSection
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selectedFilesSection
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submitButton
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}
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.padding(.horizontal, AppMetrics.Spacing.pageHorizontal)
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.padding(.vertical, AppMetrics.Spacing.medium)
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}
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.background(Color(hex: 0xF5F7FA))
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.task(id: accountContext.currentScenic?.id) {
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await viewModel.loadFolders(api: assetsAPI, scenicId: accountContext.currentScenic?.id)
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if let initialFolderId {
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viewModel.selectedFolderId = initialFolderId
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}
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if let message = viewModel.errorMessage {
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toastCenter.show(message)
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}
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}
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.onChange(of: selectedItems) { items in
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Task { await loadPickedFiles(items) }
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}
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}
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/// 相册选择区域。
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private var folderPickerSection: some View {
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VStack(alignment: .leading, spacing: AppMetrics.Spacing.small) {
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Text("选择相册")
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.font(.system(size: AppMetrics.FontSize.body, weight: .semibold))
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.foregroundStyle(AppDesign.textPrimary)
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Picker("选择相册", selection: Binding(
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get: { viewModel.selectedFolderId ?? 0 },
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set: { viewModel.selectedFolderId = $0 == 0 ? nil : $0 }
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)) {
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Text("请选择相册").tag(0)
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ForEach(viewModel.folders) { folder in
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Text(folder.name).tag(folder.id)
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}
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}
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.pickerStyle(.menu)
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.frame(maxWidth: .infinity, alignment: .leading)
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.padding(AppMetrics.Spacing.small)
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.background(Color(hex: 0xF5F7FA), in: RoundedRectangle(cornerRadius: AppMetrics.CornerRadius.input))
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}
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.padding(AppMetrics.Spacing.medium)
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.background(.white, in: RoundedRectangle(cornerRadius: AppMetrics.CornerRadius.card))
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}
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/// 本地文件选择区域。
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private var filePickerSection: some View {
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PhotosPicker(selection: $selectedItems, maxSelectionCount: 20, matching: .any(of: [.images, .videos])) {
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Label("选择图片或视频", systemImage: "photo.badge.plus")
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.font(.system(size: AppMetrics.FontSize.body, weight: .semibold))
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.frame(maxWidth: .infinity)
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.padding(.vertical, AppMetrics.Spacing.medium)
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}
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.buttonStyle(.borderedProminent)
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}
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/// 已选本地文件列表。
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@ViewBuilder
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private var selectedFilesSection: some View {
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if viewModel.localFiles.isEmpty {
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AssetsEmptyState(title: "还未选择文件", message: "可一次选择最多 20 个图片或视频上传到相册。")
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} else {
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VStack(spacing: AppMetrics.Spacing.small) {
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ForEach(viewModel.localFiles) { file in
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HStack {
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Image(systemName: file.fileType == 1 ? "play.rectangle.fill" : "photo.fill")
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.foregroundStyle(AppDesign.primary)
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Text(file.fileName)
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.font(.system(size: AppMetrics.FontSize.subheadline, weight: .semibold))
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.foregroundStyle(AppDesign.textPrimary)
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||
.lineLimit(1)
|
||
Spacer()
|
||
Button {
|
||
viewModel.removeLocalFile(id: file.id)
|
||
} label: {
|
||
Image(systemName: "xmark.circle.fill")
|
||
.frame(width: AppMetrics.ControlSize.iconTapArea, height: AppMetrics.ControlSize.iconTapArea)
|
||
}
|
||
.foregroundStyle(AppDesign.placeholder)
|
||
}
|
||
}
|
||
|
||
if viewModel.isSubmitting {
|
||
ProgressView(value: Double(viewModel.uploadProgress), total: 100)
|
||
}
|
||
}
|
||
.padding(AppMetrics.Spacing.medium)
|
||
.background(.white, in: RoundedRectangle(cornerRadius: AppMetrics.CornerRadius.card))
|
||
}
|
||
}
|
||
|
||
/// 上传提交按钮。
|
||
private var submitButton: some View {
|
||
Button {
|
||
Task { await submit() }
|
||
} label: {
|
||
Text(viewModel.isSubmitting ? "上传中..." : "开始上传")
|
||
.font(.system(size: AppMetrics.FontSize.body, weight: .semibold))
|
||
.frame(maxWidth: .infinity)
|
||
.padding(.vertical, AppMetrics.Spacing.small)
|
||
}
|
||
.buttonStyle(.borderedProminent)
|
||
.disabled(viewModel.isSubmitting)
|
||
}
|
||
|
||
/// 读取 PhotosPicker 选择结果。
|
||
private func loadPickedFiles(_ items: [PhotosPickerItem]) async {
|
||
guard !items.isEmpty else { return }
|
||
defer { selectedItems = [] }
|
||
let files = await AssetPickerLoader.loadAlbumFiles(from: items)
|
||
viewModel.addLocalFiles(files)
|
||
}
|
||
|
||
/// 提交相册预览上传。
|
||
private func submit() async {
|
||
let success = await globalLoading.withLoading {
|
||
await viewModel.submit(
|
||
scenicId: accountContext.currentScenic?.id,
|
||
api: assetsAPI,
|
||
uploadService: uploadService
|
||
)
|
||
}
|
||
toastCenter.show(success ? "上传完成" : (viewModel.errorMessage ?? "上传失败"))
|
||
if success {
|
||
onUploaded?()
|
||
dismiss()
|
||
}
|
||
}
|
||
}
|
||
|
||
/// 新建相册表单弹窗。
|
||
private struct AlbumCreateFolderSheet: View {
|
||
@Binding var name: String
|
||
@Binding var remark: String
|
||
let submitAction: () -> Void
|
||
|
||
@Environment(\.dismiss) private var dismiss
|
||
|
||
var body: some View {
|
||
NavigationStack {
|
||
Form {
|
||
TextField("相册名称", text: $name)
|
||
TextField("备注", text: $remark, axis: .vertical)
|
||
.lineLimit(3, reservesSpace: true)
|
||
}
|
||
.navigationTitle("新建相册")
|
||
.navigationBarTitleDisplayMode(.inline)
|
||
.toolbar {
|
||
ToolbarItem(placement: .topBarLeading) {
|
||
Button("取消") { dismiss() }
|
||
}
|
||
ToolbarItem(placement: .topBarTrailing) {
|
||
Button("创建", action: submitAction)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/// 相册文件夹行，展示封面、名称、数量和备注。
|
||
private struct AlbumFolderRow: View {
|
||
let folder: AlbumFolderItem
|
||
|
||
var body: some View {
|
||
HStack(spacing: AppMetrics.Spacing.medium) {
|
||
RemoteImage(urlString: folder.coverURLString, contentMode: .fill) {
|
||
Image(systemName: "photo.on.rectangle")
|
||
.font(.system(size: 30, weight: .semibold))
|
||
.foregroundStyle(AppDesign.primary)
|
||
.frame(maxWidth: .infinity, maxHeight: .infinity)
|
||
.background(AppDesign.primarySoft)
|
||
}
|
||
.frame(width: 72, height: 72)
|
||
.clipShape(RoundedRectangle(cornerRadius: AppMetrics.CornerRadius.input))
|
||
|
||
VStack(alignment: .leading, spacing: AppMetrics.Spacing.xxSmall) {
|
||
Text(folder.name.assetsDisplayText)
|
||
.font(.system(size: AppMetrics.FontSize.body, weight: .semibold))
|
||
.foregroundStyle(AppDesign.textPrimary)
|
||
.lineLimit(2)
|
||
Text("图片 \(folder.countImage) · 视频 \(folder.countVideo)")
|
||
.font(.system(size: AppMetrics.FontSize.caption))
|
||
.foregroundStyle(AppDesign.textSecondary)
|
||
Text(folder.remark.assetsDisplayText)
|
||
.font(.system(size: AppMetrics.FontSize.caption))
|
||
.foregroundStyle(AppDesign.textSecondary)
|
||
.lineLimit(1)
|
||
}
|
||
Spacer()
|
||
Image(systemName: "chevron.right")
|
||
.font(.system(size: AppMetrics.FontSize.caption, weight: .semibold))
|
||
.foregroundStyle(AppDesign.placeholder)
|
||
}
|
||
.padding(AppMetrics.Spacing.medium)
|
||
.background(.white, in: RoundedRectangle(cornerRadius: AppMetrics.CornerRadius.card))
|
||
}
|
||
}
|
||
|
||
/// 相册文件卡片，展示缩略图和操作按钮。
|
||
private struct AlbumFileCard: View {
|
||
let file: AlbumFileItem
|
||
let openAction: () -> Void
|
||
let moreAction: () -> Void
|
||
|
||
var body: some View {
|
||
VStack(alignment: .leading, spacing: AppMetrics.Spacing.xSmall) {
|
||
Button(action: openAction) {
|
||
ZStack(alignment: .center) {
|
||
RemoteImage(urlString: file.previewURLString, contentMode: .fill) {
|
||
Image(systemName: file.isVideo ? "play.rectangle.fill" : "photo")
|
||
.font(.system(size: 30, weight: .semibold))
|
||
.foregroundStyle(AppDesign.primary)
|
||
.frame(maxWidth: .infinity, maxHeight: .infinity)
|
||
.background(AppDesign.primarySoft)
|
||
}
|
||
if file.isVideo {
|
||
Image(systemName: "play.circle.fill")
|
||
.font(.system(size: 36, weight: .semibold))
|
||
.foregroundStyle(.white)
|
||
.shadow(radius: 4)
|
||
}
|
||
}
|
||
.aspectRatio(1.2, contentMode: .fit)
|
||
.clipShape(RoundedRectangle(cornerRadius: AppMetrics.CornerRadius.input))
|
||
}
|
||
.buttonStyle(.plain)
|
||
|
||
HStack(spacing: AppMetrics.Spacing.xSmall) {
|
||
VStack(alignment: .leading, spacing: 2) {
|
||
Text(file.fileName.assetsDisplayText)
|
||
.font(.system(size: AppMetrics.FontSize.caption, weight: .semibold))
|
||
.foregroundStyle(AppDesign.textPrimary)
|
||
.lineLimit(1)
|
||
Text(file.displayFileSize)
|
||
.font(.system(size: AppMetrics.FontSize.caption))
|
||
.foregroundStyle(AppDesign.textSecondary)
|
||
}
|
||
Spacer()
|
||
Button(action: moreAction) {
|
||
Image(systemName: "ellipsis")
|
||
.frame(width: AppMetrics.ControlSize.iconTapArea, height: AppMetrics.ControlSize.iconTapArea)
|
||
}
|
||
.buttonStyle(.plain)
|
||
.foregroundStyle(AppDesign.textSecondary)
|
||
}
|
||
}
|
||
.padding(AppMetrics.Spacing.small)
|
||
.background(.white, in: RoundedRectangle(cornerRadius: AppMetrics.CornerRadius.card))
|
||
}
|
||
}
|
||
|
||
/// 相册文件预览页，支持图片和视频。
|
||
struct AlbumPreviewView: View {
|
||
let file: AlbumFileItem
|
||
|
||
@Environment(\.dismiss) private var dismiss
|
||
|
||
var body: some View {
|
||
NavigationStack {
|
||
Group {
|
||
if file.isVideo, let url = URL(string: file.fileUrl) {
|
||
VideoPlayer(player: AVPlayer(url: url))
|
||
} else {
|
||
RemoteImage(urlString: file.previewURLString, contentMode: .fit) {
|
||
AssetsEmptyState(title: "无法预览", message: file.fileName)
|
||
}
|
||
.padding()
|
||
}
|
||
}
|
||
.frame(maxWidth: .infinity, maxHeight: .infinity)
|
||
.background(Color.black.opacity(file.isVideo ? 1 : 0.04))
|
||
.navigationTitle(file.fileName.assetsDisplayText)
|
||
.navigationBarTitleDisplayMode(.inline)
|
||
.toolbar {
|
||
ToolbarItem(placement: .topBarTrailing) {
|
||
Button("关闭") { dismiss() }
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
extension AssetPickerLoader {
|
||
/// 加载相册预览上传本地文件。
|
||
@MainActor
|
||
static func loadAlbumFiles(from items: [PhotosPickerItem]) async -> [AlbumLocalUploadFile] {
|
||
var result: [AlbumLocalUploadFile] = []
|
||
for item in items {
|
||
guard let data = try? await item.loadTransferable(type: Data.self) else { continue }
|
||
let isVideo = item.supportedContentTypes.contains { $0.conforms(to: .movie) }
|
||
let ext = isVideo ? "mp4" : "jpg"
|
||
let fileName = "album_\(UUID().uuidString).\(ext)"
|
||
result.append(AlbumLocalUploadFile(data: data, fileName: fileName, fileType: isVideo ? 1 : 2))
|
||
}
|
||
return result
|
||
}
|
||
}
|
||
|
||
private extension String {
|
||
/// 返回非空展示文本。
|
||
var assetsDisplayText: String {
|
||
let text = trimmingCharacters(in: .whitespacesAndNewlines)
|
||
return text.isEmpty ? "--" : text
|
||
}
|
||
}
|