using System.Collections.ObjectModel; using StarsAssistant.Model; namespace StarsAssistant.ViewModels; public partial class PlanetViewModel(Planet planet) : ViewModelBase { public static ObservableCollection LoadAll() { var context = new StarsDatabase("stars.sqlite"); var result = new ObservableCollection(); foreach (Planet planet in context.Planets.ToList()) { var vm = new PlanetViewModel(planet); result.Add(vm); } return result; } private readonly Planet planet = planet; public string Name => planet.Name; public string Owner => planet.Owner ?? String.Empty; public int Value => planet.Value ?? 0; }