private List<PlanetViewModel> MapPlanetsToViewModels(List<Planet> planets) {
List<PlanetViewModel> vms = new List<PlanetViewModel>();
PlanetViewModel vm;
foreach (Planet p in planets) {
vm = new PlanetViewModel();
vm.Id = p.Id.ToString();
vm.Name = p.Name;
vm.ImagePath = p.ImagePath;
vm.Mass = p.Mass;
vm.Diameter = p.Diameter;
vm.Gravity = p.Gravity;
vm.LengthOfDay = p.LengthOfDay;
vm.DistanceFromSun = p.DistanceFromSun;
vm.OrbitalPeriod = p.OrbitalPeriod;
vm.MeanTemperature = p.MeanTemperature;
vm.NumberOfMoons = p.NumberOfMoons;
vms.Add(vm);
}
return vms;
}
/// <summary>
/// Add new Planet then write all planets to Local Folder planets.json
/// </summary>
private async void ExecuteAddCommand() {
SelectedPlanetVM = new PlanetViewModel();
LocalDataAddDialog addDialog = new LocalDataAddDialog();
this.SelectedPlanetVM.TextBoxesAreEnabled = true;
addDialog.DataContext = this.SelectedPlanetVM;
try {
var result = await addDialog.ShowAsync();
if (result == Windows.UI.Xaml.Controls.ContentDialogResult.Primary) {
if (PlanetVMs == null) {
PlanetVMs = new ObservableCollection<PlanetViewModel>();
}
PlanetVMs.Add(SelectedPlanetVM);
List<Planet> planets = MapViewModelsToPlanets(PlanetVMs.ToList());
var json = planetRepository.PlanetsToJson(planets);
jsonFileService.AddJsonObject(JSON_FILENAME, json);
}
else {
Results = "Operation canceled";
}
}
catch (Exception x) {
Results = x.Message;
}
}