yattee/Shared/Trending/TrendingView.swift

283 lines
7.9 KiB
Swift
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import Defaults
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import Siesta
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import SwiftUI
struct TrendingView: View {
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@StateObject private var store = Store<[Video]>()
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private var videos = [Video]()
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@Default(.trendingCategory) private var category
@Default(.trendingCountry) private var country
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@Default(.trendingListingStyle) private var trendingListingStyle
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@State private var presentingCountrySelection = false
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@State private var favoriteItem: FavoriteItem?
@ObservedObject private var accounts = AccountsModel.shared
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var trending: [ContentItem] {
ContentItem.array(of: store.collection)
}
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@State private var error: RequestError?
init(_ videos: [Video] = [Video]()) {
self.videos = videos
}
var resource: Resource {
let newResource: Resource
newResource = accounts.api.trending(country: country, category: category)
newResource.addObserver(store)
return newResource
}
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var body: some View {
Section {
VerticalCells(items: trending) { if shouldDisplayHeader { header } }
.environment(\.listingStyle, trendingListingStyle)
}
.toolbar {
ToolbarItem {
RequestErrorButton(error: error)
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}
#if os(macOS)
ToolbarItemGroup {
if let favoriteItem {
FavoriteButton(item: favoriteItem)
.id(favoriteItem.id)
}
categoryButton
countryButton
}
#endif
}
.onChange(of: resource) { _ in
resource.load()
.onFailure { self.error = $0 }
.onSuccess { _ in self.error = nil }
updateFavoriteItem()
}
.onAppear {
resource.loadIfNeeded()?
.onFailure { self.error = $0 }
.onSuccess { _ in self.error = nil }
updateFavoriteItem()
}
#if os(tvOS)
.fullScreenCover(isPresented: $presentingCountrySelection) {
TrendingCountry(selectedCountry: $country)
}
#else
.sheet(isPresented: $presentingCountrySelection) {
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TrendingCountry(selectedCountry: $country)
#if os(macOS)
.frame(minWidth: 400, minHeight: 400)
#endif
}
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.background(
Button("Refresh") {
resource.load()
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.onFailure { self.error = $0 }
.onSuccess { _ in self.error = nil }
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}
.keyboardShortcut("r")
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.opacity(0)
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)
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.navigationTitle("Trending")
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#endif
#if os(iOS)
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.refreshable {
DispatchQueue.main.async {
resource.load()
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.onFailure { self.error = $0 }
.onSuccess { _ in self.error = nil }
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}
}
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.navigationBarTitleDisplayMode(.inline)
.toolbar {
ToolbarItem(placement: .principal) {
trendingMenu
}
}
#endif
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#if os(macOS)
.toolbar {
ToolbarItem {
ListingStyleButtons(listingStyle: $trendingListingStyle)
}
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ToolbarItem {
HideWatchedButtons()
}
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ToolbarItem {
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HideShortsButtons()
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}
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}
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#else
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.onReceive(NotificationCenter.default.publisher(for: UIApplication.willEnterForegroundNotification)) { _ in
resource.loadIfNeeded()?
.onFailure { self.error = $0 }
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.onSuccess { _ in self.error = nil }
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}
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#endif
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}
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#if os(tvOS)
private var toolbar: some View {
HStack {
if accounts.app.supportsTrendingCategories {
HStack {
Text("Category")
.foregroundColor(.secondary)
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categoryButton
}
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}
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HStack {
Text("Country")
.foregroundColor(.secondary)
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countryButton
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}
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if let favoriteItem {
FavoriteButton(item: favoriteItem)
.id(favoriteItem.id)
.labelStyle(.iconOnly)
}
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}
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}
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#endif
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#if os(iOS)
var trendingMenu: some View {
Menu {
countryButton
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categoryButton
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ListingStyleButtons(listingStyle: $trendingListingStyle)
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Section {
HideWatchedButtons()
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HideShortsButtons()
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}
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Section {
SettingsButtons()
}
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} label: {
HStack(spacing: 12) {
Text("\(country.flag) \(country.name)")
.font(.headline)
.foregroundColor(.primary)
Image(systemName: "chevron.down.circle.fill")
.foregroundColor(.accentColor)
.imageScale(.small)
}
.frame(maxWidth: 320)
}
}
#endif
@ViewBuilder private var categoryButton: some View {
if accounts.app.supportsTrendingCategories {
#if os(tvOS)
Button(category.name) {
self.category = category.next()
}
.contextMenu {
ForEach(TrendingCategory.allCases) { category in
Button(category.controlLabel) { self.category = category }
}
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Button("Cancel", role: .cancel) {}
}
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#else
Picker(category.controlLabel, selection: $category) {
ForEach(TrendingCategory.allCases) { category in
Label(category.controlLabel, systemImage: category.systemImage).tag(category)
}
}
#endif
}
}
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private var countryButton: some View {
Button(action: {
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presentingCountrySelection.toggle()
resource.removeObservers(ownedBy: store)
}) {
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#if os(iOS)
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Label("Country", systemImage: "flag")
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#else
Text("\(country.flag) \(country.id)")
#endif
}
}
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private func updateFavoriteItem() {
favoriteItem = FavoriteItem(section: .trending(country.rawValue, category.rawValue))
}
var header: some View {
HStack {
Group {
categoryButton
countryButton
}
.font(.caption)
Spacer()
ListingStyleButtons(listingStyle: $trendingListingStyle)
HideWatchedButtons()
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HideShortsButtons()
Button {
resource.load()
.onFailure { self.error = $0 }
.onSuccess { _ in self.error = nil }
} label: {
Label("Refresh", systemImage: "arrow.clockwise")
.labelStyle(.iconOnly)
.imageScale(.small)
.font(.caption)
}
}
.padding(.leading, 30)
.padding(.bottom, 15)
.padding(.trailing, 30)
}
var shouldDisplayHeader: Bool {
#if os(tvOS)
true
#else
false
#endif
}
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}
struct TrendingView_Previews: PreviewProvider {
static var previews: some View {
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NavigationView {
TrendingView(Video.allFixtures)
}
}
}