private async Task fetchUser()
{
if (GlobalData.USER_RECORD_STRING != null)
{
// get phone number from global constants
// fetch user details from the firebase
FirebaseUser user = await firesharpClient.Get <FirebaseUser>("users/" + GlobalData.USER_RECORD_STRING);
UserWallets = user.UserWallets;
totalAmount = UserWallets.AsEnumerable().Sum(wallet => wallet.Amount);
NotifyPropertyChanged("TotalText");
// calculate total
Fetching = false;
}
}
