private void GetRooms(string key)
{
List <RoomModel> roomsList = new List <RoomModel>();
Action <Dictionary <string, RoomModel> > onValueEvent = null;
onValueEvent = (Dictionary <string, RoomModel> rooms) =>
{
try
{
System.Diagnostics.Debug.WriteLine("---> EVENT GetDataFromFirebase ");
Action onSetValueSuccess = () =>
{
};
Action <string> onSetValueError = (string errorDesc) =>
{
};
if (rooms != null)
{
if (rooms.Count == 0)
{
roomlist.IsVisible = false;
info.IsVisible = true;
}
if (rooms.Count != 0 && rooms.Count != roomsList.Count)
{
roomlist.IsVisible = true;
info.IsVisible = false;
roomsList.Clear();
foreach (KeyValuePair <string, RoomModel> item in rooms)
{
if (roomsList.All(d => d.Key != item.Value.Key))
{
if (item.Value.Status)
{
roomsList.Add(item.Value);
}
}
}
if (roomsList.Count > 0)
{
roomlist.ItemsSource = roomsList;
roomlist.IsRefreshing = false;
}
else
{
roomlist.IsRefreshing = false;
}
}
}
else
{
roomlist.IsVisible = false;
info.IsVisible = true;
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("---> error GetDataFromFirebase " + ex.Message);
}
};
_firebaseDatabase.GetRooms("rooms", key, onValueEvent);
}