public ObservableCollection <Db_Peliculas> DameListaPeliculas()
{
try
{
ObservableCollection <Db_Peliculas> datosGuardados = new ObservableCollection <Db_Peliculas>();
using (var db = new DatosContext())
{
datosGuardados = new ObservableCollection <Db_Peliculas>(db.Peliculas);
}
return(datosGuardados);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
return(new ObservableCollection <Db_Peliculas>());
}
}
public bool HayDatosOffline()
{
try
{
using (var db = new DatosContext())
{
int numero = db.Peliculas.Count();
if (numero > 0)
{
return(true);
}
return(false);
}
}
catch (Exception)
{
return(false);
}
}
public async void GuardarListaPeliculas(ObservableCollection <Db_Peliculas> observableCollection)
{
try
{
using (var db = new DatosContext())
{
foreach (var item in observableCollection)
{
var data = db.Peliculas.Where(x => x.Id == item.Id).FirstOrDefault();
if (data != null)
{
db.Peliculas.Remove(data);
await db.SaveChangesAsync();
}
await db.Peliculas.AddAsync(item);
}
await db.SaveChangesAsync();
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
