Managing Favorites sections

Shared/Favorites/FavoritesView.swift

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+import Defaults
+import Siesta
+import SwiftUI
+import UniformTypeIdentifiers
+
+struct FavoritesView: View {
+    @EnvironmentObject<AccountsModel> private var accounts
+    @EnvironmentObject<PlaylistsModel> private var playlists
+
+    @State private var dragging: FavoriteItem?
+    @State private var presentingEditFavorites = false
+
+    @Default(.favorites) private var favorites
+
+    var body: some View {
+        PlayerControlsView {
+            ScrollView(.vertical, showsIndicators: false) {
+                if !accounts.current.isNil {
+                    VStack(alignment: .leading, spacing: 0) {
+                        ForEach(favorites) { item in
+                            VStack {
+                                if let resource = resource(item) {
+                                    FavoriteItemView(item: item, resource: resource, favorites: $favorites, dragging: $dragging)
+                                }
+                            }
+                        }
+                    }
+
+                    #if os(tvOS)
+                        Button {
+                            presentingEditFavorites = true
+                        } label: {
+                            Text("Edit Favorites...")
+                        }
+                    #endif
+                }
+            }
+            #if os(tvOS)
+                .sheet(isPresented: $presentingEditFavorites) {
+                    EditFavorites()
+                }
+                .edgesIgnoringSafeArea(.horizontal)
+            #else
+                .onDrop(of: [UTType.text], delegate: DropFavoriteOutside(current: $dragging))
+                .navigationTitle("Favorites")
+            #endif
+            #if os(macOS)
+                .background()
+                .frame(minWidth: 360)
+            #endif
+        }
+    }
+
+    func resource(_ item: FavoriteItem) -> Resource? {
+        switch item.section {
+        case .subscriptions:
+            if accounts.app.supportsSubscriptions {
+                return accounts.api.feed
+            }
+
+        case .popular:
+            if accounts.app.supportsPopular {
+                return accounts.api.popular
+            }
+
+        case let .trending(country, category):
+            let trendingCountry = Country(rawValue: country)!
+            let trendingCategory = category.isNil ? nil : TrendingCategory(rawValue: category!)!
+
+            return accounts.api.trending(country: trendingCountry, category: trendingCategory)
+
+        case let .channel(id, _):
+            return accounts.api.channelVideos(id)
+
+        case let .channelPlaylist(id, _):
+            return accounts.api.channelPlaylist(id)
+
+        case let .playlist(id):
+            return accounts.api.playlist(id)
+        }
+
+        return nil
+    }
+}
+
+struct Favorites_Previews: PreviewProvider {
+    static var previews: some View {
+        FavoritesView()
+            .injectFixtureEnvironmentObjects()
+    }
+}