private void GetDrivers()
{
Action <Dictionary <string, DriverModel> > onValueEvent = null;
onValueEvent = (Dictionary <string, DriverModel> drivers) =>
{
try
{
System.Diagnostics.Debug.WriteLine("---> EVENT GetDataFromFirebase ");
Action onSetValueSuccess = () =>
{
};
Action <string> onSetValueError = (string errorDesc) =>
{
};
if (drivers == null)
{
mainmap.Pins.Clear();
DriversList.Clear();
hailbtn.IsEnabled = false;
}
else
{
if (drivers.Count != 0 && drivers.Count != DriversList.Count)
{
mainmap.Pins.Clear();
DriversList.Clear();
foreach (KeyValuePair <string, DriverModel> item in drivers.ToList())
{
if (DriversList.All(d => d.Key != item.Value.Key))
{
DriversList.Add(item.Value);
}
}
if (DriversList.Count > 0)
{
ShowDrivers(DriversList);
_ = StartTrackingAsync();
hailbtn.IsEnabled = true;
}
else
{
hailbtn.IsEnabled = false;
}
}
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("---> error GetDataFromFirebase " + ex.Message);
throw;
}
};
_firebaseDatabase.GetDrivers("drivers", onValueEvent);
}