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yattee/Shared/Playlists/PlaylistsView.swift
2021-11-08 18:22:34 +01:00

268 lines
8.5 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?
@EnvironmentObject<AccountsModel> private var accounts
@EnvironmentObject<PlayerModel> private var player
@EnvironmentObject<PlaylistsModel> private var model
@Namespace private var focusNamespace
var items: [ContentItem] {
ContentItem.array(of: currentPlaylist?.videos ?? [])
}
var body: some View {
PlayerControlsView {
SignInRequiredView(title: "Playlists") {
VStack {
#if os(tvOS)
toolbar
#endif
if currentPlaylist != nil, items.isEmpty {
hintText("Playlist is empty\n\nTap and hold on a video and then tap \"Add to Playlist\"")
} else if model.all.isEmpty {
hintText("You have no playlists\n\nTap on \"New Playlist\" to create one")
} else {
Group {
#if os(tvOS)
HorizontalCells(items: items)
.padding(.top, 40)
Spacer()
#else
VerticalCells(items: items)
#endif
}
.environment(\.currentPlaylistID, currentPlaylist?.id)
}
}
}
}
#if os(tvOS)
.fullScreenCover(isPresented: $showingNewPlaylist, onDismiss: selectCreatedPlaylist) {
PlaylistFormView(playlist: $createdPlaylist)
.environmentObject(accounts)
}
.fullScreenCover(isPresented: $showingEditPlaylist, onDismiss: selectEditedPlaylist) {
PlaylistFormView(playlist: $editedPlaylist)
.environmentObject(accounts)
}
#else
.sheet(isPresented: $showingNewPlaylist, onDismiss: selectCreatedPlaylist) {
PlaylistFormView(playlist: $createdPlaylist)
.environmentObject(accounts)
}
.sheet(isPresented: $showingEditPlaylist, onDismiss: selectEditedPlaylist) {
PlaylistFormView(playlist: $editedPlaylist)
.environmentObject(accounts)
}
#endif
.toolbar {
ToolbarItemGroup {
#if !os(iOS)
if !model.isEmpty {
selectPlaylistButton
.prefersDefaultFocus(in: focusNamespace)
}
if currentPlaylist != nil {
editPlaylistButton
}
#endif
FavoriteButton(item: FavoriteItem(section: .playlist(selectedPlaylistID)))
newPlaylistButton
}
#if os(iOS)
ToolbarItemGroup(placement: .bottomBar) {
Group {
if model.isEmpty {
Text("No Playlists")
.foregroundColor(.secondary)
} else {
Text("Current Playlist")
.foregroundColor(.secondary)
selectPlaylistButton
}
Spacer()
if currentPlaylist != nil {
editPlaylistButton
}
}
.transaction { t in t.animation = .none }
}
#endif
}
#if os(tvOS)
.focusScope(focusNamespace)
#endif
.onAppear {
model.load()
}
.onChange(of: accounts.current) { _ in
model.load(force: true)
}
}
#if os(tvOS)
var toolbar: some View {
HStack {
if model.isEmpty {
Text("No Playlists")
.foregroundColor(.secondary)
} else {
Text("Current Playlist")
.foregroundColor(.secondary)
selectPlaylistButton
}
Button {
player.playAll(items.compactMap(\.video))
player.presentPlayer()
} label: {
HStack(spacing: 15) {
Image(systemName: "play.fill")
Text("Play All")
}
}
if currentPlaylist != nil {
editPlaylistButton
}
if let playlist = currentPlaylist {
FavoriteButton(item: FavoriteItem(section: .playlist(playlist.id)))
.labelStyle(.iconOnly)
}
Spacer()
newPlaylistButton
.padding(.leading, 40)
}
}
#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()
#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 ?? ""
}
.contextMenu {
ForEach(model.all) { playlist in
Button(playlist.title) {
selectedPlaylistID = playlist.id
}
}
Button("Cancel", role: .cancel) {}
}
#else
Menu(currentPlaylist?.title ?? "Select playlist") {
ForEach(model.all) { playlist in
Button(action: { selectedPlaylistID = playlist.id }) {
if playlist == currentPlaylist {
Label(playlist.title, systemImage: "checkmark")
} else {
Text(playlist.title)
}
}
}
}
#endif
}
var editPlaylistButton: some View {
Button(action: {
self.editedPlaylist = self.currentPlaylist
self.showingEditPlaylist = true
}) {
HStack(spacing: 8) {
Image(systemName: "slider.horizontal.3")
Text("Edit")
}
}
}
var newPlaylistButton: some View {
Button(action: { self.showingNewPlaylist = true }) {
HStack(spacing: 8) {
Image(systemName: "plus")
#if os(tvOS)
Text("New Playlist")
#endif
}
}
}
private var currentPlaylist: Playlist? {
model.find(id: selectedPlaylistID) ?? model.all.first
}
}
struct PlaylistsView_Provider: PreviewProvider {
static var previews: some View {
PlaylistsView()
.injectFixtureEnvironmentObjects()
}
}