Notes

app/InkForge.Desktop/Models/Note.cs

@@ -1,6 +1,61 @@
+using System.Reactive.Linq;
+using System.Reactive.Subjects;
+
+using ReactiveUI;
+
 namespace InkForge.Desktop.Models;
 
-public class Note
+public class Note : ReactiveObject
 {
-	
+	private readonly ObservableAsPropertyHelper<Note?> _parent;
+	private readonly BehaviorSubject<int?> _parentId = new(default);
+	private DateTimeOffset _createdTime;
+	private int _id;
+	private string _name = default!;
+	private DateTimeOffset _updatedTime;
+
+	public DateTimeOffset CreatedTime
+	{
+		get => _createdTime;
+		set => this.RaiseAndSetIfChanged(ref _createdTime, value);
+	}
+
+	public int Id
+	{
+		get => _id;
+		set => this.RaiseAndSetIfChanged(ref _id, value);
+	}
+
+	public string Name
+	{
+		get => _name;
+		set => this.RaiseAndSetIfChanged(ref _name, value);
+	}
+
+	public DateTimeOffset UpdatedTime
+	{
+		get => _updatedTime;
+		set => this.RaiseAndSetIfChanged(ref _updatedTime, value);
+	}
+
+	public Note? Parent
+	{
+		get => _parent.Value;
+		set => ParentId = value?.Id;
+	}
+
+	public int? ParentId
+	{
+		get => _parentId.Value;
+		set => _parentId.OnNext(value);
+	}
+
+	public Note(NoteStore noteStore)
+	{
+		_parent = _parentId.Select(id => id switch
+		{
+			{ } => noteStore.Watch((int)id),
+			_ => Observable.Empty<Note?>(),
+		}).Switch(null).ToProperty(this, nameof(Parent), deferSubscription: true);
+	}
 }