yattee/Shared/Subscriptions/ChannelsView.swift

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6.5 KiB
Swift
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import Defaults
import SDWebImageSwiftUI
import SwiftUI
struct ChannelsView: View {
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@ObservedObject private var feed = FeedModel.shared
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@ObservedObject private var subscriptions = SubscribedChannelsModel.shared
@ObservedObject private var accounts = AccountsModel.shared
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@ObservedObject private var feedCount = UnwatchedFeedCountModel.shared
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private var navigation = NavigationModel.shared
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@Default(.showCacheStatus) private var showCacheStatus
@Default(.showUnwatchedFeedBadges) private var showUnwatchedFeedBadges
@Default(.keepChannelsWithUnwatchedFeedOnTop) private var keepChannelsWithUnwatchedFeedOnTop
@Default(.showChannelAvatarInChannelsLists) private var showChannelAvatarInChannelsLists
@State private var channelLinkActive = false
@State private var channelForLink: Channel?
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var body: some View {
List {
Section(header: header) {
ForEach(channels) { channel in
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let label = HStack {
if showChannelAvatarInChannelsLists {
ChannelAvatarView(channel: channel, subscribedBadge: false)
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.frame(width: 35, height: 35)
} else {
Image(systemName: RecentsModel.symbolSystemImage(channel.name))
.imageScale(.large)
.foregroundColor(.accentColor)
.frame(width: 35, height: 35)
}
Text(channel.name)
.lineLimit(1)
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}
.backport
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.badge(showUnwatchedFeedBadges ? feedCount.unwatchedByChannelText(channel) : nil)
Group {
#if os(tvOS)
Button {
navigation.openChannel(channel, navigationStyle: .tab)
} label: {
label
}
#else
Button {
channelForLink = channel
channelLinkActive = channelForLink != nil
} label: {
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label
.contentShape(Rectangle())
.foregroundColor(.primary)
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}
.buttonStyle(.plain)
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#endif
}
.contextMenu {
if subscriptions.isSubscribing(channel.id) {
toggleWatchedButton(channel)
}
Button {
subscriptions.unsubscribe(channel.id)
} label: {
Label("Unsubscribe", systemImage: "xmark.circle")
}
}
}
#if os(tvOS)
.padding(.horizontal, 50)
#endif
Color.clear.padding(.bottom, 50)
.listRowBackground(Color.clear)
.backport
.listRowSeparator(false)
}
}
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#if !os(tvOS)
.background(
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NavigationLink(destination: ChannelVideosView(channel: channelForLink ?? Video.fixture.channel), isActive: $channelLinkActive, label: EmptyView.init)
)
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#endif
.onAppear {
subscriptions.load()
}
.onChange(of: accounts.current) { _ in
subscriptions.load(force: true)
}
#if os(iOS)
.refreshControl { refreshControl in
subscriptions.load(force: true) {
refreshControl.endRefreshing()
}
}
.backport
.refreshable {
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await subscriptions.load(force: true)
}
#endif
#if !os(tvOS)
.background(
Button("Refresh") {
subscriptions.load(force: true)
}
.keyboardShortcut("r")
.opacity(0)
)
#endif
#if !os(macOS)
.onReceive(NotificationCenter.default.publisher(for: UIApplication.willEnterForegroundNotification)) { _ in
subscriptions.load()
}
#endif
#if os(tvOS)
.padding(.horizontal, 30)
#endif
}
var channels: [Channel] {
keepChannelsWithUnwatchedFeedOnTop ? subscriptions.allByUnwatchedCount : subscriptions.all
}
var header: some View {
HStack {
#if os(tvOS)
SubscriptionsPageButton()
#endif
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if showCacheStatus {
Spacer()
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CacheStatusHeader(
refreshTime: subscriptions.formattedCacheTime,
isLoading: subscriptions.isLoading
)
}
#if os(tvOS)
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if !showCacheStatus {
Spacer()
}
Button {
subscriptions.load(force: true)
} label: {
Label("Refresh", systemImage: "arrow.clockwise")
.labelStyle(.iconOnly)
.imageScale(.small)
.font(.caption)
}
#endif
}
#if os(tvOS)
.padding(.bottom, 15)
.padding(.top, 15)
#endif
}
@ViewBuilder func toggleWatchedButton(_ channel: Channel) -> some View {
if feed.canMarkChannelAsWatched(channel.id) {
markChannelAsWatchedButton(channel)
} else {
markChannelAsUnwatchedButton(channel)
}
}
func markChannelAsWatchedButton(_ channel: Channel) -> some View {
Button {
feed.markChannelAsWatched(channel.id)
} label: {
Label("Mark channel feed as watched", systemImage: "checkmark.circle.fill")
}
.disabled(!feed.canMarkAllFeedAsWatched)
}
func markChannelAsUnwatchedButton(_ channel: Channel) -> some View {
Button {
feed.markChannelAsUnwatched(channel.id)
} label: {
Label("Mark channel feed as unwatched", systemImage: "checkmark.circle")
}
}
}
struct ChannelsView_Previews: PreviewProvider {
static var previews: some View {
NavigationView {
ChannelsView()
}
}
}