async Task ExecuteLoadStopsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Stops = await StopDataStore.ListSubscribe($"routes/{Route.Id}/Stops");
Stops.ToList().ForEach((stop) =>
{
stop.Object.Id = stop.Key;
//stop.Object.PropertyChanged += Stop_PropertyChanged;
});
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
finally
{
IsBusy = false;
}
}
async void Stop_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
var stop = sender as FirebaseObject <Stop>;
await StopDataStore.UpdateAsync(stop, $"routes/{Route.Id}/Stops/{stop.Key}");
//await RouteDataStore.UpdateAsync(Route);
}
public RoutesViewModel()
{
Title = "Browse";
Routes = new ObservableCollection <FirebaseObject <Route> >();
LoadRoutesCommand = new Command(async() => await ExecuteLoadRoutesCommand());
MessagingCenter.Subscribe <NewRoutePage, Route>(this, "AddRoute", async(obj, route) =>
{
var _route = route as Route;
var _stops = _route.Stops as Dictionary <string, Stop>;
_route.Stops = null;
_route.CreatedAt = DateTime.Now;
_route.ModifiedAt = DateTime.Now;
var newRoute = await RouteDataStore.AddAsync(_route);
_stops.ForEach(async stop => await StopDataStore.AddAsync(stop.Value, $"routes/{newRoute.Key}/Stops"));
});
}
public async void RemoveStop(FirebaseObject <Stop> stop)
{
Stops.Remove(stop);
await StopDataStore.DeleteAsync($"routes/{Route.Id}/Stops/{stop.Key}");
}
public async void UpdateStop(FirebaseObject <Stop> stop)
{
await StopDataStore.UpdateAsync(stop.Object, $"routes/{Route.Id}/Stops/{stop.Key}");
}