private async Task queriesAsync()
{
if (App.u == null)
{
var message = "No permitido usted no esta registrado";
DependencyService.Get <IMessage>().LongTime(message);
}
else
{
var tokenSource2 = new CancellationTokenSource();
CancellationToken ct = tokenSource2.Token;
try
{
Actividad activity = (Actividad)this.BindingContext;
List <User> listUser = await FirebaseHelper.GetAllUsers();
List <Apuntado> listAp = await FirebaseHelper.GetApuntados();
List <Actividad> list = await FirebaseHelper.GetActivities();
var listFilter = from act in list
join ap in listAp
on act.ID equals ap.IDAct
join user in listUser
on ap.IDUser equals user.ID
where (user.DNI == App.u.DNI && act.Titulo == activity.Titulo)
select act;
if (listFilter.Count() > 0)
{
var message = "Ya estas apuntado";
DependencyService.Get <IMessage>().LongTime(message);
}
else if (activity.Plazas == 0)
{
var message = "No quedan mas plazas";
DependencyService.Get <IMessage>().LongTime(message);
}
else
{
await FirebaseHelper.AddApuntado(activity.ID, App.u.ID);
await FirebaseHelper.UpdateActividadPlazas(activity.ID);
Navigation.PushModalAsync(new MainPage());
}
}
catch (OperationCanceledException e)
{
Console.WriteLine($"{nameof(OperationCanceledException)} thrown with message: {e.Message}");
}
finally
{
tokenSource2.Dispose();
}
}
}
