sa/Stars Assistant/ViewModels/PlanetViewModel.cs

using System.Collections.ObjectModel;
using System.Reactive.Disposables;
using Microsoft.EntityFrameworkCore;
using ReactiveUI;
using StarsAssistant.Model;
using Splat;

namespace StarsAssistant.ViewModels;

public partial class PlanetViewModel : ViewModelBase
{
    public PlanetViewModel(Planet planet)
    {
        Planet = planet;

        this.WhenActivated((CompositeDisposable disposables) => 
        {
            // /* handle activation */
            // Disposable
            //     .Create(() => { /* handle deactivation */ })
            //     .DisposeWith(disposables);
        });
    }

    private readonly Planet Planet;

    public string Name => Planet.Name;

    public string Owner => Planet.OwnerId ?? String.Empty;

    public int Value => Planet.Value ?? 0;

    public int Population => Planet.Population ?? 0;

    public int SurfaceIronium => Planet.SurfaceIronium ?? 0;

    public int SurfaceBoranium => Planet.SurfaceBoranium ?? 0;

    public int SurfaceGermanium => Planet.SurfaceGermanium ?? 0;

    public static ObservableCollection<PlanetViewModel> LoadAll() 
    {
        using var db = Locator.Current.GetService<StarsDatabase>()!;
        var result = new ObservableCollection<PlanetViewModel>();
        foreach (Planet planet in db.Planet.Where(p => p.OwnerId == "Atlantis").ToList())
        {
            var vm = new PlanetViewModel(planet);
            result.Add(vm);
        }
        return result;
    }
}