Playlists and channels in the sidebar

Shared/Navigation/AppSidebarSubscriptions.swift

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+import SwiftUI
+
+struct AppSidebarSubscriptions: View {
+    @EnvironmentObject<NavigationState> private var navigationState
+    @EnvironmentObject<Subscriptions> private var subscriptions
+
+    @Binding var selection: TabSelection?
+
+    var body: some View {
+        Section(header: Text("Subscriptions")) {
+            ForEach(subscriptions.all) { channel in
+                NavigationLink(tag: TabSelection.channel(channel.id), selection: $selection) {
+                    ChannelVideosView(channel)
+                } label: {
+                    Label(channel.name, systemImage: AppSidebarNavigation.symbolSystemImage(channel.name))
+                }
+                .contextMenu {
+                    Button("Unsubscribe") {
+                        navigationState.presentUnsubscribeAlert(channel)
+                    }
+                }
+                .alert(unsubscribeAlertTitle, isPresented: $navigationState.presentingUnsubscribeAlert) {
+                    if let channel = navigationState.channelToUnsubscribe {
+                        Button("Unsubscribe", role: .destructive) {
+                            subscriptions.unsubscribe(channel.id)
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    var unsubscribeAlertTitle: String {
+        if let channel = navigationState.channelToUnsubscribe {
+            return "Unsubscribe from \(channel.name)"
+        }
+
+        return "Unknown channel"
+    }
+}