Note Sharing, distributing updates

Peered/ContentView.swift

@@ -12,20 +12,34 @@ extension EnvironmentValues {
 }
 
 struct ContentView: View {
-  @AppStorage("peered_username") private var username: String = ""
+  @AppStorage("peered_username") private var username: String = "fallback_user"
   @State private var notes = [Note]()
 	@State private var notesClient: NoteEditingSessionClient?
 	@State private var ownPeer: OwnPeer?
 	
   var body: some View {
 		NavigationStack {
-			List(notes) { note in
-				NavigationLink(note.name) {
-					let peer = ownPeer ?? .init(peer: .init(displayName: username))
-					if ownPeer == nil {
-						ownPeer = peer
+			List {
+				Section("Your notes") {
+					ForEach(notes) { note in
+						NavigationLink(note.name) {
+							let peer = ownPeer ?? .init(peer: .init(displayName: username))
+							if ownPeer == nil {
+								ownPeer = peer
+							}
+							return NoteEditorScreen(note: note, peer: peer)
+						}
+					}
+				}
+				
+				if let notesClient {
+					Section("External notes") {
+						ForEach(notesClient.invitations) { invitation in
+							NavigationLink(invitation.noteName) {
+								SharedNoteEditor(invitation: invitation, noteClient: notesClient)
+							}
+						}
 					}
-					return NoteEditorScreen(note: note, peer: peer)
 				}
 			}
 			.environment(\.ownPeer, ownPeer ?? .fallback)
@@ -44,7 +58,7 @@ struct ContentView: View {
 			}
 			notesClient?.startBrowsingForNotes()
 		}
-    .sheet(isPresented: .constant(username.isEmpty)) {
+		.sheet(isPresented: .constant(username == "fallback_user" || username.isEmpty)) {
       SetUserNameBottomSheetView(username: $username)
     }
   }