yattee/Shared/Playlists/AddToPlaylistView.swift

196 lines
5.5 KiB
Swift
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import Defaults
import Siesta
import SwiftUI
struct AddToPlaylistView: View {
let video: Video
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@State private var selectedPlaylistID: Playlist.ID = ""
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@State private var error = ""
@State private var presentingErrorAlert = false
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@State private var submitButtonDisabled = false
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@Environment(\.colorScheme) private var colorScheme
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@Environment(\.presentationMode) private var presentationMode
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@EnvironmentObject<PlaylistsModel> private var model
var body: some View {
Group {
VStack {
if model.isEmpty {
emptyPlaylistsMessage
} else {
header
Spacer()
form
Spacer()
footer
}
}
.frame(maxWidth: 1000, maxHeight: height)
}
.onAppear {
model.load {
if let playlist = model.find(id: Defaults[.lastUsedPlaylistID]) ?? model.all.first {
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selectedPlaylistID = playlist.id
}
}
}
#if os(macOS)
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.frame(width: 500, height: 270)
.padding(.vertical)
#elseif os(tvOS)
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.frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity)
.background(Color.background(scheme: colorScheme))
#else
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.padding(.vertical)
#endif
}
var height: Double {
#if os(tvOS)
600
#else
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.infinity
#endif
}
private var emptyPlaylistsMessage: some View {
VStack(spacing: 20) {
Text("You have no Playlists")
.font(.title2.bold())
Text("Open \"Playlists\" tab to create new one")
.foregroundColor(.secondary)
.multilineTextAlignment(.center)
}
}
private var header: some View {
HStack(alignment: .center) {
Text("Add to Playlist")
.font(.title2.bold())
Spacer()
#if !os(tvOS)
Button("Cancel") {
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presentationMode.wrappedValue.dismiss()
}
.keyboardShortcut(.cancelAction)
#endif
}
.padding(.horizontal)
}
private var form: some View {
VStack(alignment: formAlignment) {
VideoBanner(video: video)
.padding(.vertical, 40)
VStack(alignment: formAlignment) {
#if os(tvOS)
selectPlaylistButton
#else
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Picker("Playlist", selection: $selectedPlaylistID) {
ForEach(model.all) { playlist in
Text(playlist.title).tag(playlist.id)
}
}
.frame(maxWidth: 500)
#if os(iOS)
.pickerStyle(.inline)
#elseif os(macOS)
.labelsHidden()
#endif
#endif
}
}
.padding(.horizontal)
}
private var formAlignment: HorizontalAlignment {
#if os(tvOS)
.trailing
#else
.center
#endif
}
private var footer: some View {
HStack {
Spacer()
Button("Add to Playlist", action: addToPlaylist)
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.disabled(submitButtonDisabled || selectedPlaylist.isNil)
.padding(.top, 30)
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.alert(isPresented: $presentingErrorAlert) {
Alert(
title: Text("Error when accessing playlist"),
message: Text(error)
)
}
#if !os(tvOS)
.keyboardShortcut(.defaultAction)
#endif
}
.padding(.horizontal)
}
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#if os(tvOS)
private var selectPlaylistButton: some View {
Button(selectedPlaylist?.title ?? "Select playlist") {
guard selectedPlaylist != nil else {
return // swiftlint:disable:this implicit_return
}
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selectedPlaylistID = model.all.next(after: selectedPlaylist!)!.id
}
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.contextMenu {
ForEach(model.all) { playlist in
Button(playlist.title) {
selectedPlaylistID = playlist.id
}
}
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Button("Cancel", role: .cancel) {}
}
}
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#endif
private func addToPlaylist() {
guard let id = selectedPlaylist?.id else {
return
}
Defaults[.lastUsedPlaylistID] = id
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submitButtonDisabled = true
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model.addVideo(
playlistID: id,
videoID: video.videoID,
onSuccess: {
presentationMode.wrappedValue.dismiss()
},
onFailure: { requestError in
error = "(\(requestError.httpStatusCode ?? -1)) \(requestError.userMessage)"
presentingErrorAlert = true
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submitButtonDisabled = false
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}
)
}
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private var selectedPlaylist: Playlist? {
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model.find(id: selectedPlaylistID) ?? model.all.first
}
}
struct AddToPlaylistView_Previews: PreviewProvider {
static var previews: some View {
AddToPlaylistView(video: Video.fixture)
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.injectFixtureEnvironmentObjects()
}
}