mirror of
https://github.com/yattee/yattee.git
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d1d7edb5ec
When a cancelled load task fell through to `isLoading = false`, it created a 1-frame gap where the empty view rendered before the replacement task set `isLoading` back to `true`. Return early on cancellation so the surviving task controls loading state.
1090 lines
42 KiB
Swift
1090 lines
42 KiB
Swift
//
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// InstanceBrowseView.swift
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// Yattee
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//
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// Displays content (Popular/Trending) for a specific backend instance.
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//
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import SwiftUI
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struct InstanceBrowseView: View {
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@Environment(\.appEnvironment) private var appEnvironment
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let instance: Instance
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let initialTab: BrowseTab?
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@Namespace private var sheetTransition
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@State private var selectedTab: BrowseTab = .popular
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@State private var popularVideos: [Video] = []
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@State private var trendingVideos: [Video] = []
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@State private var isLoading = true
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@State private var errorMessage: String?
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// Search state (managed by SearchViewModel)
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@State private var searchText = ""
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@State private var searchViewModel: SearchViewModel?
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@State private var showFilterSheet = false
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// Feed state (for Invidious/Piped login)
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@State private var feedVideos: [Video] = []
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@State private var feedSubscriptions: [Channel] = []
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// Playlists state (for Invidious login)
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@State private var userPlaylists: [Playlist] = []
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@State private var selectedFeedChannelID: String?
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@State private var isLoggedIn = false
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@State private var feedPage = 1
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@State private var hasMoreFeedResults = true
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@State private var isLoadingMoreFeed = false
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@State private var contentLoadTask: Task<Void, Never>?
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@State private var feedLoadedVideoCount = 0 // Track count when last load was triggered
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// View options (persisted per instance)
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@AppStorage var layout: VideoListLayout
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@AppStorage var rowStyle: VideoRowStyle
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@AppStorage var gridColumnCount: Int
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@AppStorage var hideWatched: Bool
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// View options UI state
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@State private var showViewOptions = false
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@State private var viewWidth: CGFloat = 0
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@State private var watchEntriesMap: [String: WatchEntry] = [:]
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@State private var hasInitializedTab = false
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init(instance: Instance, initialTab: BrowseTab? = nil) {
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self.instance = instance
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self.initialTab = initialTab
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// Initialize AppStorage with instance-scoped keys
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_layout = AppStorage(wrappedValue: .list, "instanceBrowse.\(instance.id).layout")
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_rowStyle = AppStorage(wrappedValue: .regular, "instanceBrowse.\(instance.id).rowStyle")
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_gridColumnCount = AppStorage(wrappedValue: 2, "instanceBrowse.\(instance.id).gridColumns")
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_hideWatched = AppStorage(wrappedValue: false, "instanceBrowse.\(instance.id).hideWatched")
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}
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/// List style from centralized settings.
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private var listStyle: VideoListStyle {
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appEnvironment?.settingsManager.listStyle ?? .inset
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}
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/// Auth header for Yattee Server instances
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private var yatteeServerAuthHeader: String? {
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guard instance.type == .yatteeServer else { return nil }
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return appEnvironment?.yatteeServerCredentialsManager.basicAuthHeader(for: instance)
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}
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enum BrowseTab: String, CaseIterable, Identifiable {
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case popular
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case trending
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case feed
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case playlists
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var id: String { rawValue }
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var title: String {
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switch self {
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case .popular: return String(localized: "popular.title")
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case .trending: return String(localized: "trending.title")
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case .feed: return String(localized: "feed.title")
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case .playlists: return String(localized: "playlists.title")
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}
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}
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var systemImage: String {
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switch self {
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case .popular: return "flame"
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case .trending: return "chart.line.uptrend.xyaxis"
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case .feed: return "person.crop.rectangle.stack"
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case .playlists: return "play.square.stack"
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}
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}
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}
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var body: some View {
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let backgroundStyle: ListBackgroundStyle = listStyle == .inset ? .grouped : .plain
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GeometryReader { geometry in
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backgroundStyle.color
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.ignoresSafeArea()
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.overlay(
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ScrollView {
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VStack(spacing: 0) {
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// Tab picker (hidden during search)
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if !isInSearchMode {
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Picker("", selection: $selectedTab) {
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ForEach(availableTabs) { tab in
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Label(tab.title, systemImage: tab.systemImage)
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.tag(tab)
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}
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}
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.pickerStyle(.segmented)
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.padding()
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}
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// Feed channel filter strip (hidden during search)
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if selectedTab == .feed && !feedSubscriptions.isEmpty && !isInSearchMode {
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feedChannelFilterStrip
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}
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// Search filter strip (shown persistently after search submitted)
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if isInSearchMode && (searchViewModel?.hasSearched ?? false) && instance.supportsSearchFilters {
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searchFiltersStrip
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}
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// Content
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Group {
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if isInSearchMode, let vm = searchViewModel {
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// Search mode content
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if !vm.hasSearched {
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// Typing but not yet submitted - show suggestions or hint
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if vm.suggestions.isEmpty {
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searchHintView
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} else {
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suggestionsView
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}
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} else if vm.isSearching && !vm.hasResults {
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ProgressView()
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.frame(maxWidth: .infinity, minHeight: 200)
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} else if let error = vm.errorMessage, !vm.hasResults {
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searchErrorView(error)
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} else if vm.hasResults {
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searchResultsContent
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} else {
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searchEmptyView
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}
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} else if selectedTab == .playlists {
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// Playlists tab content
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if isLoading && userPlaylists.isEmpty {
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ProgressView()
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.frame(maxWidth: .infinity, minHeight: 200)
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} else if let error = errorMessage, userPlaylists.isEmpty {
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errorView(error)
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} else if !userPlaylists.isEmpty {
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switch layout {
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case .list:
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playlistsListContent
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case .grid:
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playlistsGridContent
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}
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} else {
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playlistsEmptyView
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}
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} else if isLoading && currentVideos.isEmpty {
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ProgressView()
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.frame(maxWidth: .infinity, minHeight: 200)
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} else if let error = errorMessage, currentVideos.isEmpty {
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errorView(error)
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} else if !currentVideos.isEmpty {
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// Conditional layout based on user preference
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switch layout {
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case .list:
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listContent
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case .grid:
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gridContent
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}
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} else {
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emptyView
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}
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}
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}
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}
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.refreshable {
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await startContentLoad(forceRefresh: true)
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}
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)
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.onChange(of: geometry.size.width, initial: true) { _, newWidth in
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viewWidth = newWidth
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}
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}
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.navigationTitle(instance.displayName)
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#if !os(tvOS)
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.toolbarTitleDisplayMode(.inlineLarge)
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#endif
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.toolbar {
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ToolbarItem(placement: .primaryAction) {
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Button {
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showViewOptions = true
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} label: {
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Label(String(localized: "viewOptions.title"), systemImage: "slider.horizontal.3")
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}
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.liquidGlassTransitionSource(id: "instanceBrowseViewOptions", in: sheetTransition)
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}
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}
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.sheet(isPresented: $showViewOptions) {
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ViewOptionsSheet(
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layout: $layout,
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rowStyle: $rowStyle,
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gridColumns: $gridColumnCount,
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hideWatched: $hideWatched,
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maxGridColumns: gridConfig.maxColumns
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)
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.liquidGlassSheetContent(sourceID: "instanceBrowseViewOptions", in: sheetTransition)
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}
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.task {
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// Initialize search view model
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if let appEnvironment {
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searchViewModel = SearchViewModel(
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instance: instance,
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contentService: appEnvironment.contentService,
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deArrowProvider: appEnvironment.deArrowBrandingProvider,
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dataManager: appEnvironment.dataManager,
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settingsManager: appEnvironment.settingsManager
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)
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}
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// Check login status for instances that support authentication
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if instance.supportsAuthentication {
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isLoggedIn = appEnvironment?.credentialsManager(for: instance)?.isLoggedIn(for: instance) ?? false
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}
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// Set initial tab only once (not on navigation back)
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if !hasInitializedTab {
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hasInitializedTab = true
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if let initialTab {
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selectedTab = initialTab
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} else if instance.supportsAuthentication && isLoggedIn {
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// Default to Feed tab when logged in
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selectedTab = .feed
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}
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}
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// Load watch entries for hide watched feature
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loadWatchEntries()
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await startContentLoad()
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}
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.onReceive(NotificationCenter.default.publisher(for: .watchHistoryDidChange)) { _ in
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loadWatchEntries()
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}
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.onChange(of: selectedTab) { _, _ in
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isLoading = true
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errorMessage = nil
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Task { await startContentLoad() }
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}
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#if os(iOS)
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.searchable(
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text: $searchText,
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placement: .navigationBarDrawer(displayMode: .automatic),
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prompt: Text(String(localized: "instance.browse.search.placeholder"))
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)
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#else
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.searchable(
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text: $searchText,
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prompt: Text(String(localized: "instance.browse.search.placeholder"))
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)
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#endif
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.onSubmit(of: .search) {
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searchViewModel?.cancelSuggestions()
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Task {
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await searchViewModel?.search(query: searchText)
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}
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}
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.onChange(of: searchText) { _, newValue in
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if newValue.isEmpty {
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searchViewModel?.clearResults()
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} else {
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searchViewModel?.fetchSuggestions(for: newValue)
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}
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}
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.sheet(isPresented: $showFilterSheet) {
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SearchFiltersSheet(onApply: {
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Task {
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await searchViewModel?.search(query: searchText)
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}
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}, filters: Binding(
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get: { searchViewModel?.filters ?? .defaults },
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set: { searchViewModel?.filters = $0 }
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))
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#if !os(tvOS)
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.presentationDetents([.medium, .large])
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#endif
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}
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}
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// MARK: - Computed Properties
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private var availableTabs: [BrowseTab] {
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if instance.supportsFeed && isLoggedIn {
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// Playlists tab only available for Invidious (Piped playlists to be added in future)
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if instance.type == .invidious {
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return [.feed, .popular, .trending, .playlists]
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}
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return [.feed, .popular, .trending]
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}
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return [.popular, .trending]
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}
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private var currentVideos: [Video] {
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var videos: [Video]
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switch selectedTab {
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case .popular: videos = popularVideos
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case .trending: videos = trendingVideos
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case .feed: videos = filteredFeedVideos
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case .playlists: videos = [] // Playlists tab doesn't show videos directly
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}
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// Filter out watched videos if enabled
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if hideWatched {
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videos = videos.filter { video in
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guard let entry = watchEntriesMap[video.id.videoID] else { return true }
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return !entry.isFinished
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}
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}
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return videos
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}
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private var filteredFeedVideos: [Video] {
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if let channelID = selectedFeedChannelID {
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return feedVideos.filter { $0.author.id == channelID }
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}
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return feedVideos
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}
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private var isInSearchMode: Bool {
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!searchText.trimmingCharacters(in: .whitespaces).isEmpty
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}
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// Grid layout configuration
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private var gridConfig: GridLayoutConfiguration {
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GridLayoutConfiguration(viewWidth: viewWidth, gridColumns: gridColumnCount)
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}
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/// Gets the watch progress (0.0-1.0) for a video, or nil if not watched/finished.
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private func watchProgress(for video: Video) -> Double? {
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guard let entry = watchEntriesMap[video.id.videoID] else { return nil }
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let progress = entry.progress
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// Only show progress bar for partially watched videos
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return progress > 0 && progress < 1 ? progress : nil
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}
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/// Subscriptions sorted by most recent video upload date
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private var sortedFeedSubscriptions: [Channel] {
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var latestVideoDate: [String: Date] = [:]
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for video in feedVideos {
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let channelID = video.author.id
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let videoDate = video.publishedAt ?? .distantPast
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if let existing = latestVideoDate[channelID] {
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if videoDate > existing {
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latestVideoDate[channelID] = videoDate
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}
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} else {
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latestVideoDate[channelID] = videoDate
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}
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}
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return feedSubscriptions.sorted { (sub1: Channel, sub2: Channel) -> Bool in
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let channelID1 = sub1.id.channelID
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let channelID2 = sub2.id.channelID
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let date1 = latestVideoDate[channelID1] ?? .distantPast
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let date2 = latestVideoDate[channelID2] ?? .distantPast
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return date1 > date2
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}
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}
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// MARK: - Search Filters Strip
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private var searchFiltersStrip: some View {
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HStack(spacing: 12) {
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// Filter button
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Button {
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showFilterSheet = true
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} label: {
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Image(systemName: (searchViewModel?.filters.isDefault ?? true)
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? "line.3.horizontal.decrease.circle"
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: "line.3.horizontal.decrease.circle.fill")
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.font(.title2)
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}
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// Content type segmented picker
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Picker("", selection: Binding(
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get: { searchViewModel?.filters.type ?? .video },
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set: { searchViewModel?.filters.type = $0 }
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)) {
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ForEach(SearchContentType.allCases) { type in
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Text(type.title).tag(type)
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}
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}
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.pickerStyle(.segmented)
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}
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.padding(.horizontal)
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.padding(.vertical, 8)
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.onChange(of: searchViewModel?.filters.type) { _, _ in
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Task {
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await searchViewModel?.search(query: searchText)
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}
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}
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}
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// MARK: - Feed Channel Filter Strip
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private var feedChannelFilterStrip: some View {
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ScrollView(.horizontal, showsIndicators: false) {
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LazyHStack(spacing: 10) {
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ForEach(sortedFeedSubscriptions) { subscription in
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ChannelFilterChip(
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channelID: subscription.id.channelID,
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name: subscription.name,
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avatarURL: subscription.thumbnailURL,
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serverURL: instance.url,
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isSelected: selectedFeedChannelID == subscription.id.channelID,
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avatarSize: 44,
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onTap: {
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if selectedFeedChannelID == subscription.id.channelID {
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selectedFeedChannelID = nil
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} else {
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selectedFeedChannelID = subscription.id.channelID
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}
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},
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onGoToChannel: {
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appEnvironment?.navigationCoordinator.navigate(
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to: .channel(subscription.id.channelID, .global(provider: ContentSource.youtubeProvider))
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)
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},
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onUnsubscribe: nil,
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authHeader: yatteeServerAuthHeader
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)
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}
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}
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.padding(.horizontal)
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.padding(.vertical, 12)
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}
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#if os(tvOS)
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.background(Color.black.opacity(0.3))
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#else
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.background(.bar)
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.clipShape(RoundedRectangle(cornerRadius: 20))
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.padding(.horizontal, 16)
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#endif
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}
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|
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// MARK: - List Layout
|
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|
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@ViewBuilder
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private var listContent: some View {
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VideoListContent(listStyle: listStyle) {
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ForEach(Array(currentVideos.enumerated()), id: \.element.id) { index, video in
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VideoListRow(
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isLast: index == currentVideos.count - 1,
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rowStyle: rowStyle,
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listStyle: listStyle
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) {
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VideoRowView(
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video: video,
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style: rowStyle,
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watchProgress: watchProgress(for: video)
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)
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.tappableVideo(
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video,
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queueSource: selectedTab == .feed ? .subscriptions(continuation: nil) : .manual,
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sourceLabel: selectedTab.title,
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videoList: currentVideos,
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videoIndex: index
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)
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}
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#if !os(tvOS)
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.videoSwipeActions(video: video)
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#endif
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}
|
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|
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// Feed tab load more
|
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if selectedTab == .feed {
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LoadMoreTrigger(
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isLoading: isLoadingMoreFeed,
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hasMore: hasMoreFeedResults && feedVideos.count > feedLoadedVideoCount
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) {
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loadMoreFeedResults()
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}
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}
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}
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}
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|
|
// MARK: - Grid Layout
|
|
|
|
@ViewBuilder
|
|
private var gridContent: some View {
|
|
VideoGridContent(columns: gridConfig.effectiveColumns) {
|
|
ForEach(Array(currentVideos.enumerated()), id: \.element.id) { index, video in
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VideoCardView(
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video: video,
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watchProgress: watchProgress(for: video),
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isCompact: gridConfig.isCompactCards
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|
)
|
|
.tappableVideo(
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video,
|
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queueSource: selectedTab == .feed ? .subscriptions(continuation: nil) : .manual,
|
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sourceLabel: selectedTab.title,
|
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videoList: currentVideos,
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videoIndex: index
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)
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.onAppear {
|
|
// Infinite scroll for feed tab - trigger when near end AND we have new content since last trigger
|
|
if selectedTab == .feed
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&& index >= currentVideos.count - 3
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&& hasMoreFeedResults
|
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&& !isLoadingMoreFeed
|
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&& feedVideos.count > feedLoadedVideoCount {
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loadMoreFeedResults()
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}
|
|
}
|
|
}
|
|
}
|
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|
|
if selectedTab == .feed && isLoadingMoreFeed {
|
|
ProgressView()
|
|
.frame(maxWidth: .infinity)
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.padding()
|
|
}
|
|
}
|
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|
|
// MARK: - Playlists Layout
|
|
|
|
@ViewBuilder
|
|
private var playlistsListContent: some View {
|
|
VideoListContent(listStyle: listStyle) {
|
|
ForEach(Array(userPlaylists.enumerated()), id: \.element.id) { index, playlist in
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|
VideoListRow(
|
|
isLast: index == userPlaylists.count - 1,
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|
rowStyle: rowStyle,
|
|
listStyle: listStyle
|
|
) {
|
|
NavigationLink(value: NavigationDestination.playlist(.remote(playlist.id, instance: instance, title: playlist.title))) {
|
|
SearchPlaylistRowView(playlist: playlist, style: rowStyle)
|
|
.contentShape(Rectangle())
|
|
}
|
|
.zoomTransitionSource(id: playlist.id)
|
|
.buttonStyle(.plain)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
@ViewBuilder
|
|
private var playlistsGridContent: some View {
|
|
VideoGridContent(columns: gridConfig.effectiveColumns) {
|
|
ForEach(userPlaylists) { playlist in
|
|
NavigationLink(value: NavigationDestination.playlist(.remote(playlist.id, instance: instance, title: playlist.title))) {
|
|
PlaylistCardView(playlist: playlist, isCompact: gridConfig.isCompactCards)
|
|
.contentShape(Rectangle())
|
|
}
|
|
.zoomTransitionSource(id: playlist.id)
|
|
.buttonStyle(.plain)
|
|
}
|
|
}
|
|
}
|
|
|
|
private var playlistsEmptyView: some View {
|
|
ContentUnavailableView {
|
|
Label(String(localized: "playlists.empty.title"), systemImage: "play.square.stack")
|
|
} description: {
|
|
Text(String(localized: "playlists.empty.description"))
|
|
}
|
|
}
|
|
|
|
// MARK: - Empty View
|
|
|
|
private var emptyView: some View {
|
|
ContentUnavailableView {
|
|
Label(String(localized: "common.noContent"), systemImage: "tray")
|
|
} description: {
|
|
Text(String(localized: "instance.browse.noVideos"))
|
|
}
|
|
}
|
|
|
|
// MARK: - Error View
|
|
|
|
private func errorView(_ error: String) -> some View {
|
|
ContentUnavailableView {
|
|
Label(String(localized: "common.error"), systemImage: "exclamationmark.triangle")
|
|
} description: {
|
|
Text(error)
|
|
} actions: {
|
|
Button(String(localized: "common.retry")) {
|
|
Task { await startContentLoad(forceRefresh: true) }
|
|
}
|
|
.buttonStyle(.bordered)
|
|
}
|
|
}
|
|
|
|
// MARK: - Search Results
|
|
|
|
@ViewBuilder
|
|
private var searchResultsContent: some View {
|
|
if let vm = searchViewModel {
|
|
switch layout {
|
|
case .list:
|
|
searchResultsListContent(vm: vm)
|
|
case .grid:
|
|
searchResultsGridContent(vm: vm)
|
|
}
|
|
}
|
|
}
|
|
|
|
@ViewBuilder
|
|
private func searchResultsListContent(vm: SearchViewModel) -> some View {
|
|
VideoListContent(listStyle: listStyle) {
|
|
ForEach(Array(vm.resultItems.enumerated()), id: \.element.id) { resultIndex, item in
|
|
VideoListRow(
|
|
isLast: resultIndex == vm.resultItems.count - 1,
|
|
rowStyle: rowStyle,
|
|
listStyle: listStyle,
|
|
contentWidth: item.isChannel ? rowStyle.thumbnailHeight : nil
|
|
) {
|
|
switch item {
|
|
case .video(let video, let videoIndex):
|
|
VideoRowView(
|
|
video: video,
|
|
style: rowStyle,
|
|
watchProgress: watchProgress(for: video)
|
|
)
|
|
.tappableVideo(
|
|
video,
|
|
queueSource: .search(query: searchText, continuation: nil),
|
|
sourceLabel: String(localized: "queue.source.search \(searchText)"),
|
|
videoList: vm.videos,
|
|
videoIndex: videoIndex
|
|
)
|
|
#if !os(tvOS)
|
|
.videoSwipeActions(video: video)
|
|
#endif
|
|
.onAppear {
|
|
if resultIndex >= vm.resultItems.count - 3 {
|
|
Task { await vm.loadMore() }
|
|
}
|
|
}
|
|
|
|
case .playlist(let playlist):
|
|
NavigationLink(value: NavigationDestination.playlist(.remote(playlist.id, instance: instance, title: playlist.title))) {
|
|
SearchPlaylistRowView(playlist: playlist, style: rowStyle)
|
|
.contentShape(Rectangle())
|
|
}
|
|
.zoomTransitionSource(id: playlist.id)
|
|
.buttonStyle(.plain)
|
|
.onAppear {
|
|
if resultIndex >= vm.resultItems.count - 3 {
|
|
Task { await vm.loadMore() }
|
|
}
|
|
}
|
|
|
|
case .channel(let channel):
|
|
NavigationLink(
|
|
value: NavigationDestination.channel(
|
|
channel.id.channelID,
|
|
channel.id.source
|
|
)
|
|
) {
|
|
ChannelRowView(channel: channel, style: rowStyle)
|
|
.contentShape(Rectangle())
|
|
}
|
|
.zoomTransitionSource(id: channel.id.channelID)
|
|
.buttonStyle(.plain)
|
|
.onAppear {
|
|
if resultIndex >= vm.resultItems.count - 3 {
|
|
Task { await vm.loadMore() }
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
LoadMoreTrigger(
|
|
isLoading: vm.isLoadingMore,
|
|
hasMore: vm.hasMoreResults
|
|
) {
|
|
Task { await vm.loadMore() }
|
|
}
|
|
}
|
|
}
|
|
|
|
@ViewBuilder
|
|
private func searchResultsGridContent(vm: SearchViewModel) -> some View {
|
|
VideoGridContent(columns: gridConfig.effectiveColumns) {
|
|
ForEach(Array(vm.resultItems.enumerated()), id: \.element.id) { resultIndex, item in
|
|
switch item {
|
|
case .video(let video, let videoIndex):
|
|
VideoCardView(
|
|
video: video,
|
|
watchProgress: watchProgress(for: video),
|
|
isCompact: gridConfig.isCompactCards
|
|
)
|
|
.tappableVideo(
|
|
video,
|
|
queueSource: .search(query: searchText, continuation: nil),
|
|
sourceLabel: String(localized: "queue.source.search \(searchText)"),
|
|
videoList: vm.videos,
|
|
videoIndex: videoIndex
|
|
)
|
|
.onAppear {
|
|
if resultIndex >= vm.resultItems.count - 3 {
|
|
Task { await vm.loadMore() }
|
|
}
|
|
}
|
|
|
|
case .playlist(let playlist):
|
|
NavigationLink(value: NavigationDestination.playlist(.remote(playlist.id, instance: instance, title: playlist.title))) {
|
|
PlaylistCardView(playlist: playlist, isCompact: gridConfig.isCompactCards)
|
|
.contentShape(Rectangle())
|
|
}
|
|
.zoomTransitionSource(id: playlist.id)
|
|
.buttonStyle(.plain)
|
|
.onAppear {
|
|
if resultIndex >= vm.resultItems.count - 3 {
|
|
Task { await vm.loadMore() }
|
|
}
|
|
}
|
|
|
|
case .channel(let channel):
|
|
NavigationLink(
|
|
value: NavigationDestination.channel(
|
|
channel.id.channelID,
|
|
channel.id.source
|
|
)
|
|
) {
|
|
ChannelCardGridView(channel: channel, isCompact: gridConfig.isCompactCards)
|
|
.contentShape(Rectangle())
|
|
}
|
|
.zoomTransitionSource(id: channel.id.channelID)
|
|
.buttonStyle(.plain)
|
|
.onAppear {
|
|
if resultIndex >= vm.resultItems.count - 3 {
|
|
Task { await vm.loadMore() }
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if vm.isLoadingMore {
|
|
ProgressView()
|
|
.frame(maxWidth: .infinity)
|
|
.padding()
|
|
}
|
|
}
|
|
|
|
private var searchHintView: some View {
|
|
ContentUnavailableView {
|
|
Label(String(localized: "search.hint.title"), systemImage: "magnifyingglass")
|
|
} description: {
|
|
Text(String(localized: "search.hint.description"))
|
|
}
|
|
}
|
|
|
|
@ViewBuilder
|
|
private var suggestionsView: some View {
|
|
if let vm = searchViewModel {
|
|
LazyVStack(alignment: .leading, spacing: 0) {
|
|
ForEach(vm.suggestions, id: \.self) { suggestion in
|
|
Button {
|
|
dismissKeyboard()
|
|
searchText = suggestion
|
|
Task { await vm.search(query: suggestion) }
|
|
} label: {
|
|
HStack {
|
|
Image(systemName: "magnifyingglass")
|
|
.foregroundStyle(.secondary)
|
|
Text(suggestion)
|
|
Spacer()
|
|
}
|
|
.padding(.horizontal)
|
|
.padding(.vertical, 12)
|
|
.contentShape(Rectangle())
|
|
}
|
|
.buttonStyle(.plain)
|
|
|
|
Divider()
|
|
.padding(.leading)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private var searchEmptyView: some View {
|
|
ContentUnavailableView {
|
|
Label(String(localized: "search.noResults.title"), systemImage: "magnifyingglass")
|
|
} description: {
|
|
Text(String(localized: "search.noResults.description"))
|
|
}
|
|
}
|
|
|
|
private func searchErrorView(_ error: String) -> some View {
|
|
ContentUnavailableView {
|
|
Label(String(localized: "common.error"), systemImage: "exclamationmark.triangle")
|
|
} description: {
|
|
Text(error)
|
|
} actions: {
|
|
Button(String(localized: "common.retry")) {
|
|
Task { await searchViewModel?.search(query: searchText) }
|
|
}
|
|
.buttonStyle(.bordered)
|
|
}
|
|
}
|
|
|
|
// MARK: - Data Loading
|
|
|
|
private func loadWatchEntries() {
|
|
watchEntriesMap = appEnvironment?.dataManager.watchEntriesMap() ?? [:]
|
|
}
|
|
|
|
private func startContentLoad(forceRefresh: Bool = false) async {
|
|
// Cancel any in-flight load before starting a new one
|
|
contentLoadTask?.cancel()
|
|
let task = Task {
|
|
await performLoadContent(forceRefresh: forceRefresh)
|
|
}
|
|
contentLoadTask = task
|
|
await task.value
|
|
}
|
|
|
|
private func performLoadContent(forceRefresh: Bool = false) async {
|
|
guard let appEnvironment else {
|
|
errorMessage = "App not initialized"
|
|
isLoading = false
|
|
return
|
|
}
|
|
|
|
// Skip loading if we already have data and not forcing refresh
|
|
let hasData: Bool
|
|
switch selectedTab {
|
|
case .popular: hasData = !popularVideos.isEmpty
|
|
case .trending: hasData = !trendingVideos.isEmpty
|
|
case .feed: hasData = !feedVideos.isEmpty
|
|
case .playlists: hasData = !userPlaylists.isEmpty
|
|
}
|
|
|
|
if hasData && !forceRefresh {
|
|
isLoading = false
|
|
return
|
|
}
|
|
|
|
isLoading = !hasData // Only show loading spinner when no existing data
|
|
errorMessage = nil
|
|
|
|
do {
|
|
switch selectedTab {
|
|
case .popular:
|
|
let videos = try await appEnvironment.contentService.popular(for: instance)
|
|
popularVideos = videos
|
|
prefetchBranding(for: videos)
|
|
case .trending:
|
|
let videos = try await appEnvironment.contentService.trending(for: instance)
|
|
trendingVideos = videos
|
|
prefetchBranding(for: videos)
|
|
case .feed:
|
|
guard let credential = appEnvironment.credentialsManager(for: instance)?.credential(for: instance) else {
|
|
errorMessage = String(localized: "feed.error.notLoggedIn")
|
|
isLoading = false
|
|
return
|
|
}
|
|
|
|
if forceRefresh {
|
|
feedPage = 1
|
|
hasMoreFeedResults = true
|
|
// Don't clear feedVideos here — keep old data visible
|
|
// until the API call succeeds and replaces it.
|
|
}
|
|
|
|
// Load subscriptions and feed based on instance type
|
|
let subscriptionChannels: [Channel]
|
|
let videos: [Video]
|
|
|
|
switch instance.type {
|
|
case .invidious:
|
|
let api = InvidiousAPI(httpClient: appEnvironment.httpClient)
|
|
|
|
// Load subscriptions for channel filter
|
|
async let subscriptionsTask = api.subscriptions(instance: instance, sid: credential)
|
|
|
|
// Load feed
|
|
async let feedTask = api.feed(instance: instance, sid: credential, page: feedPage)
|
|
|
|
let (subscriptions, feedResponse) = try await (subscriptionsTask, feedTask)
|
|
|
|
// Fetch channel thumbnails in parallel (subscriptions API doesn't include them)
|
|
let enrichedSubscriptions = await fetchChannelThumbnails(
|
|
for: subscriptions,
|
|
instance: instance,
|
|
api: api
|
|
)
|
|
|
|
subscriptionChannels = enrichedSubscriptions.map { $0.toChannel(baseURL: instance.url) }
|
|
videos = feedResponse.videos
|
|
hasMoreFeedResults = feedResponse.hasMore
|
|
|
|
case .piped:
|
|
let api = PipedAPI(httpClient: appEnvironment.httpClient)
|
|
|
|
// Load subscriptions and feed in parallel
|
|
async let subscriptionsTask = api.subscriptions(instance: instance, authToken: credential)
|
|
async let feedTask = api.feed(instance: instance, authToken: credential)
|
|
|
|
let (pipedSubscriptions, feedVideos) = try await (subscriptionsTask, feedTask)
|
|
|
|
subscriptionChannels = pipedSubscriptions.map { $0.toChannel() }
|
|
videos = feedVideos
|
|
// Piped doesn't support pagination for feed
|
|
hasMoreFeedResults = false
|
|
|
|
default:
|
|
errorMessage = String(localized: "feed.error.notSupported")
|
|
isLoading = false
|
|
return
|
|
}
|
|
|
|
feedSubscriptions = subscriptionChannels
|
|
feedVideos = videos
|
|
prefetchBranding(for: videos)
|
|
case .playlists:
|
|
// Playlists are currently only supported for Invidious
|
|
guard instance.type == .invidious else {
|
|
errorMessage = String(localized: "feed.error.notSupported")
|
|
isLoading = false
|
|
return
|
|
}
|
|
|
|
guard let credential = appEnvironment.credentialsManager(for: instance)?.credential(for: instance) else {
|
|
errorMessage = String(localized: "feed.error.notLoggedIn")
|
|
isLoading = false
|
|
return
|
|
}
|
|
|
|
let api = InvidiousAPI(httpClient: appEnvironment.httpClient)
|
|
let playlists = try await api.userPlaylists(instance: instance, sid: credential)
|
|
userPlaylists = playlists
|
|
}
|
|
} catch is CancellationError {
|
|
// Task was cancelled — another load is taking over, don't touch state
|
|
return
|
|
} catch let error as APIError where error == .cancelled {
|
|
// HTTP request was cancelled — another load is taking over, don't touch state
|
|
return
|
|
} catch {
|
|
errorMessage = error.localizedDescription
|
|
}
|
|
|
|
isLoading = false
|
|
}
|
|
|
|
private func prefetchBranding(for videos: [Video]) {
|
|
guard let appEnvironment else { return }
|
|
let youtubeIDs = videos.compactMap { video -> String? in
|
|
if case .global = video.id.source { return video.id.videoID }
|
|
return nil
|
|
}
|
|
appEnvironment.deArrowBrandingProvider.prefetch(videoIDs: youtubeIDs)
|
|
}
|
|
|
|
/// Fetches channel thumbnails for subscriptions, using cache when available.
|
|
/// Only fetches from network for channels not already cached.
|
|
private func fetchChannelThumbnails(
|
|
for subscriptions: [InvidiousSubscription],
|
|
instance: Instance,
|
|
api: InvidiousAPI
|
|
) async -> [InvidiousSubscription] {
|
|
guard let credentialsManager = appEnvironment?.invidiousCredentialsManager else {
|
|
return subscriptions
|
|
}
|
|
|
|
// Build initial thumbnail map from cache
|
|
var thumbnailMap: [String: URL] = [:]
|
|
for subscription in subscriptions {
|
|
if let cachedURL = credentialsManager.thumbnailURL(forChannelID: subscription.authorId) {
|
|
thumbnailMap[subscription.authorId] = cachedURL
|
|
}
|
|
}
|
|
|
|
// Find channels that need fetching
|
|
let allChannelIDs = subscriptions.map(\.authorId)
|
|
let uncachedIDs = Set(credentialsManager.uncachedChannelIDs(from: allChannelIDs))
|
|
|
|
// Fetch only uncached channels in parallel
|
|
if !uncachedIDs.isEmpty {
|
|
let fetchedThumbnails = await withTaskGroup(of: (String, URL?).self) { group in
|
|
for subscription in subscriptions where uncachedIDs.contains(subscription.authorId) {
|
|
group.addTask {
|
|
do {
|
|
let channel = try await api.channel(id: subscription.authorId, instance: instance)
|
|
return (subscription.authorId, channel.thumbnailURL)
|
|
} catch {
|
|
return (subscription.authorId, nil)
|
|
}
|
|
}
|
|
}
|
|
|
|
var results: [String: URL] = [:]
|
|
for await (authorId, thumbnailURL) in group {
|
|
if let url = thumbnailURL {
|
|
results[authorId] = url
|
|
}
|
|
}
|
|
return results
|
|
}
|
|
|
|
// Merge fetched thumbnails and cache them
|
|
for (channelID, url) in fetchedThumbnails {
|
|
thumbnailMap[channelID] = url
|
|
}
|
|
|
|
// Save to cache on main actor
|
|
await MainActor.run {
|
|
credentialsManager.setThumbnailURLs(fetchedThumbnails)
|
|
}
|
|
}
|
|
|
|
// Create enriched subscriptions with thumbnails
|
|
return subscriptions.map { subscription in
|
|
var enriched = subscription
|
|
enriched.thumbnailURL = thumbnailMap[subscription.authorId]
|
|
return enriched
|
|
}
|
|
}
|
|
|
|
private func loadMoreFeedResults() {
|
|
guard hasMoreFeedResults, !isLoadingMoreFeed, !isLoading else { return }
|
|
guard let appEnvironment,
|
|
let sid = appEnvironment.invidiousCredentialsManager.sid(for: instance) else { return }
|
|
|
|
isLoadingMoreFeed = true
|
|
feedLoadedVideoCount = feedVideos.count // Mark current count to prevent re-triggering
|
|
feedPage += 1
|
|
|
|
Task {
|
|
do {
|
|
let api = InvidiousAPI(httpClient: appEnvironment.httpClient)
|
|
let feedResponse = try await api.feed(instance: instance, sid: sid, page: feedPage)
|
|
|
|
await MainActor.run {
|
|
feedVideos.append(contentsOf: feedResponse.videos)
|
|
hasMoreFeedResults = feedResponse.hasMore
|
|
isLoadingMoreFeed = false
|
|
prefetchBranding(for: feedResponse.videos)
|
|
}
|
|
} catch {
|
|
await MainActor.run {
|
|
isLoadingMoreFeed = false
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private func dismissKeyboard() {
|
|
#if os(iOS)
|
|
UIApplication.shared.sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
|
|
#endif
|
|
}
|
|
|
|
}
|
|
|
|
// MARK: - Preview
|
|
|
|
#Preview {
|
|
NavigationStack {
|
|
InstanceBrowseView(
|
|
instance: Instance(
|
|
type: .invidious,
|
|
url: URL(string: "https://invidious.example.com")!,
|
|
name: "Example Instance"
|
|
)
|
|
)
|
|
}
|
|
.appEnvironment(.preview)
|
|
}
|