public LocationsTabbedViewModel()
{
GoToRadius = ReactiveCommand.CreateFromObservable(() =>
{
var vm = new ChooseRadiusViewModel();
vm.OnVehiclesLoaded += _OnVehiclesLoaded;
return(NavigateTo(vm));
});
}
public ChooseLocationViewModel(IAppDatabase db = null)
{
this.db = db ?? Locator.Current.GetService <IAppDatabase>();
GoToRadius = ReactiveCommand.CreateFromObservable(() =>
{
var vm = new ChooseRadiusViewModel(ChosenLocation);
vm.OnVehiclesLoaded += OnVehiclesLoaded;
return(NavigateTo(vm));
});
AddToFavourites = ReactiveCommand.CreateFromObservable(() =>
{
return(Observable.FromAsync(async() => await UserDialogs.Instance.PromptAsync(new PromptConfig
{
Placeholder = "Location name",
InputType = InputType.Name,
OkText = "Ok",
Title = "Save location",
}))
.Do(promptResult =>
{
if (string.IsNullOrWhiteSpace(promptResult.Text))
{
UserDialogs.Instance.Toast("Invalid name.");
}
else if (!promptResult.Ok || ChosenLocation == null)
{
UserDialogs.Instance.Toast("Error occurred - try again.");
}
})
.Where(promptResult =>
{
return promptResult.Ok && !string.IsNullOrWhiteSpace(promptResult.Text) && ChosenLocation != null;
})
.SubscribeOn(RxApp.MainThreadScheduler)
.ObserveOn(RxApp.TaskpoolScheduler)
.SelectMany(promptResult =>
{
ChosenLocation.Name = promptResult.Text;
return Observable.FromAsync(() => this.db.InsertLocation(ChosenLocation));
})
.ObserveOn(RxApp.MainThreadScheduler)
.Do(wasAdded =>
{
if (wasAdded)
{
UserDialogs.Instance.Toast($"{ChosenLocation.Name} added to favourites.");
}
else
{
UserDialogs.Instance.Toast($"{ChosenLocation.Name} already added to favourites.");
}
}));
});
}
