import Siesta import SwiftUI struct ChannelVideosView: View { let channel: Channel @StateObject private var store = Store() @EnvironmentObject private var api @EnvironmentObject private var navigation @EnvironmentObject private var subscriptions @Environment(\.inNavigationView) private var inNavigationView @Environment(\.dismiss) private var dismiss #if os(iOS) @Environment(\.horizontalSizeClass) private var horizontalSizeClass #endif @Namespace private var focusNamespace var body: some View { VStack { #if os(tvOS) HStack { Text(navigationTitle) .font(.title2) .frame(alignment: .leading) Spacer() if let subscribers = store.item?.subscriptionsString { Text("**\(subscribers)** subscribers") .foregroundColor(.secondary) } subscriptionToggleButton } .frame(maxWidth: .infinity) #endif VideosView(videos: store.item?.videos ?? []) #if !os(iOS) .prefersDefaultFocus(in: focusNamespace) #endif } #if !os(iOS) .focusScope(focusNamespace) #endif #if !os(tvOS) .toolbar { ToolbarItem { HStack { Text("**\(store.item?.subscriptionsString ?? "loading")** subscribers") .foregroundColor(.secondary) .opacity(store.item?.subscriptionsString != nil ? 1 : 0) subscriptionToggleButton } } ToolbarItem(placement: .cancellationAction) { if inNavigationView { Button("Done") { dismiss() } } } } #endif .modifier(UnsubscribeAlertModifier()) .onAppear { if store.item.isNil { resource.addObserver(store) resource.load() } } .navigationTitle(navigationTitle) } var resource: Resource { let resource = api.channel(channel.id) resource.addObserver(store) return resource } #if !os(tvOS) var subscriptionToolbarItemPlacement: ToolbarItemPlacement { #if os(iOS) if horizontalSizeClass == .regular { return .primaryAction // swiftlint:disable:this implicit_return } #endif return .automatic } #endif var subscriptionToggleButton: some View { Group { if subscriptions.isSubscribing(channel.id) { Button("Unsubscribe") { navigation.presentUnsubscribeAlert(channel) } } else { Button("Subscribe") { subscriptions.subscribe(channel.id) { navigation.sidebarSectionChanged.toggle() } } } } } var navigationTitle: String { store.item?.name ?? channel.name } }