yattee/Shared/Playlists/PlaylistsView.swift
2023-02-05 14:24:09 +01:00

395 lines
12 KiB
Swift

import Defaults
import Siesta
import SwiftUI
struct PlaylistsView: View {
@State private var selectedPlaylistID: Playlist.ID = ""
@State private var showingNewPlaylist = false
@State private var createdPlaylist: Playlist?
@State private var showingEditPlaylist = false
@State private var editedPlaylist: Playlist?
@StateObject private var channelPlaylist = Store<ChannelPlaylist>()
@StateObject private var userPlaylist = Store<Playlist>()
@ObservedObject private var accounts = AccountsModel.shared
private var player = PlayerModel.shared
@ObservedObject private var model = PlaylistsModel.shared
private var cache = PlaylistsCacheModel.shared
@Namespace private var focusNamespace
@Default(.playlistListingStyle) private var playlistListingStyle
var items: [ContentItem] {
var videos = currentPlaylist?.videos ?? []
if videos.isEmpty {
videos = userPlaylist.item?.videos ?? channelPlaylist.item?.videos ?? []
if !accounts.app.userPlaylistsEndpointIncludesVideos {
var i = 0
for index in videos.indices {
var video = videos[index]
video.indexID = "\(i)"
i += 1
videos[index] = video
}
}
}
return ContentItem.array(of: videos)
}
private var resource: Resource? {
guard let playlist = currentPlaylist else { return nil }
let resource = accounts.api.playlist(playlist.id)
if accounts.app.userPlaylistsUseChannelPlaylistEndpoint {
resource?.addObserver(channelPlaylist)
} else {
resource?.addObserver(userPlaylist)
}
return resource
}
var body: some View {
SignInRequiredView(title: "Playlists".localized()) {
Section {
VStack {
#if os(tvOS)
toolbar
#endif
if currentPlaylist != nil, items.isEmpty {
hintText("Playlist is empty\n\nTap and hold on a video and then \n\"Add to Playlist\"".localized())
} else if model.all.isEmpty {
hintText("You have no playlists\n\nTap on \"New Playlist\" to create one".localized())
} else {
Group {
#if os(tvOS)
HorizontalCells(items: items)
.padding(.top, 40)
Spacer()
#else
VerticalCells(items: items) {
HStack {
Spacer()
CacheStatusHeader(
refreshTime: cache.getFormattedPlaylistTime(account: accounts.current),
isLoading: model.isLoading
)
}
}
.environment(\.scrollViewBottomPadding, 70)
#endif
}
.environment(\.currentPlaylistID, currentPlaylist?.id)
.environment(\.listingStyle, playlistListingStyle)
}
}
}
}
.onAppear {
model.load()
loadResource()
}
.onChange(of: accounts.current) { _ in
model.load(force: true)
loadResource()
}
.onChange(of: currentPlaylist) { _ in
channelPlaylist.clear()
userPlaylist.clear()
loadResource()
}
.onChange(of: model.reloadPlaylists) { _ in
loadResource()
}
#if os(iOS)
.refreshControl { refreshControl in
model.load(force: true) {
model.reloadPlaylists.toggle()
refreshControl.endRefreshing()
}
}
.backport
.refreshable {
DispatchQueue.main.async {
model.load(force: true) { model.reloadPlaylists.toggle() }
}
}
.navigationBarTitleDisplayMode(.inline)
.toolbar {
ToolbarItem(placement: .principal) {
playlistsMenu
}
}
#endif
#if os(tvOS)
.fullScreenCover(isPresented: $showingNewPlaylist, onDismiss: selectCreatedPlaylist) {
PlaylistFormView(playlist: $createdPlaylist)
}
.fullScreenCover(isPresented: $showingEditPlaylist, onDismiss: selectEditedPlaylist) {
PlaylistFormView(playlist: $editedPlaylist)
}
.focusScope(focusNamespace)
#else
.background(
EmptyView()
.sheet(isPresented: $showingNewPlaylist, onDismiss: selectCreatedPlaylist) {
PlaylistFormView(playlist: $createdPlaylist)
}
)
.background(
EmptyView()
.sheet(isPresented: $showingEditPlaylist, onDismiss: selectEditedPlaylist) {
PlaylistFormView(playlist: $editedPlaylist)
}
)
#endif
#if os(macOS)
.toolbar {
ToolbarItem {
ListingStyleButtons(listingStyle: $playlistListingStyle)
}
}
#else
.onReceive(NotificationCenter.default.publisher(for: UIApplication.willEnterForegroundNotification)) { _ in
model.load()
loadResource()
}
#endif
#if !os(tvOS)
.background(
Button("Refresh") {
resource?.load()
}
.keyboardShortcut("r")
.opacity(0)
)
#endif
}
func loadResource() {
loadCachedResource()
resource?.load()
.onSuccess { response in
if let playlist: Playlist = response.typedContent() {
ChannelPlaylistsCacheModel.shared.storePlaylist(playlist: playlist.channelPlaylist)
}
}
}
func loadCachedResource() {
if !selectedPlaylistID.isEmpty,
let cache = ChannelPlaylistsCacheModel.shared.retrievePlaylist(selectedPlaylistID)
{
DispatchQueue.main.async {
self.channelPlaylist.replace(cache)
}
}
}
#if os(iOS)
var playlistsMenu: some View {
Menu {
Section {
if let currentPlaylist {
playButton
editPlaylistButton
if let account = accounts.current {
FavoriteButton(item: FavoriteItem(section: .playlist(account.id, currentPlaylist.id)))
.labelStyle(.iconOnly)
}
}
}
if accounts.signedIn {
newPlaylistButton
}
selectPlaylistButton
ListingStyleButtons(listingStyle: $playlistListingStyle)
Section {
SettingsButtons()
}
} label: {
HStack(spacing: 12) {
HStack(spacing: 6) {
Image(systemName: "list.and.film")
Text(currentPlaylist?.title ?? "Playlists")
.font(.headline)
}
.foregroundColor(.primary)
Image(systemName: "chevron.down.circle.fill")
.foregroundColor(.accentColor)
}
.imageScale(.small)
.lineLimit(1)
.frame(maxWidth: 320)
.transaction { t in t.animation = nil }
}
.disabled(!accounts.signedIn)
}
#endif
#if os(tvOS)
var toolbar: some View {
HStack {
if model.isEmpty {
Text("No Playlists")
.foregroundColor(.secondary)
} else {
Text("Current Playlist")
.foregroundColor(.secondary)
selectPlaylistButton
}
if let playlist = currentPlaylist {
editPlaylistButton
FavoriteButton(item: FavoriteItem(section: .playlist(accounts.current.id, playlist.id)))
.labelStyle(.iconOnly)
playButton
}
Spacer()
newPlaylistButton
.padding(.leading, 40)
}
.labelStyle(.iconOnly)
}
#endif
func hintText(_ text: String) -> some View {
VStack {
Spacer()
Text(text)
.foregroundColor(.secondary)
.multilineTextAlignment(.center)
Spacer()
}
.frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity)
#if os(macOS)
.background(Color.secondaryBackground)
#endif
}
func selectCreatedPlaylist() {
guard createdPlaylist != nil else {
return
}
model.load(force: true) {
if let id = createdPlaylist?.id {
selectedPlaylistID = id
}
self.createdPlaylist = nil
}
}
func selectEditedPlaylist() {
if editedPlaylist.isNil {
selectedPlaylistID = ""
}
model.load(force: true) {
self.selectedPlaylistID = editedPlaylist?.id ?? ""
self.editedPlaylist = nil
}
}
var selectPlaylistButton: some View {
#if os(tvOS)
Button(currentPlaylist?.title ?? "Select playlist") {
guard currentPlaylist != nil else {
return
}
selectedPlaylistID = model.all.next(after: currentPlaylist!)?.id ?? ""
}
.lineLimit(1)
.contextMenu {
ForEach(model.all) { playlist in
Button(playlist.title) {
selectedPlaylistID = playlist.id
}
}
Button("Cancel", role: .cancel) {}
}
#else
Picker("Current Playlist", selection: $selectedPlaylistID) {
ForEach(model.all) { playlist in
Text(playlist.title).tag(playlist.id)
}
}
#endif
}
var editPlaylistButton: some View {
Button(action: {
self.editedPlaylist = self.currentPlaylist
self.showingEditPlaylist = true
}) {
Label("Edit Playlist", systemImage: "rectangle.and.pencil.and.ellipsis")
}
}
var newPlaylistButton: some View {
Button(action: { self.showingNewPlaylist = true }) {
Label("New Playlist", systemImage: "plus")
}
}
private var playButton: some View {
Button {
player.play(items.compactMap(\.video))
} label: {
Label("Play", systemImage: "play")
}
.contextMenu {
Button {
player.play(items.compactMap(\.video), shuffling: true)
} label: {
Label("Shuffle", systemImage: "shuffle")
}
}
}
private var currentPlaylist: Playlist? {
if selectedPlaylistID.isEmpty {
DispatchQueue.main.async {
self.selectedPlaylistID = model.all.first?.id ?? ""
}
}
return model.find(id: selectedPlaylistID) ?? model.all.first
}
}
struct PlaylistsView_Provider: PreviewProvider {
static var previews: some View {
NavigationView {
PlaylistsView()
}
}
}