private async void Submitbtn_Clicked(object sender, EventArgs e)
{
DateTime temp;
int cardnoTemp;
int securityCodetemp;
int zipCodeTemp;
if (paymentVM.CardNo == null)
{
await App.Current.MainPage.DisplayAlert("", "Card number cannot be empty", "OK");
}
else if (paymentVM.CardholderName == null)
{
await App.Current.MainPage.DisplayAlert("", "Card holder name can not be empty", "OK");
}
else if (paymentVM.ExpDate == null)
{
await App.Current.MainPage.DisplayAlert("", "Experation date cannot be empty", "OK");
}
else if (paymentVM.BillingName == null)
{
await App.Current.MainPage.DisplayAlert("", "Billing name cannot be empty", "OK");
}
else if (paymentVM.BillingStreetAddress == null)
{
await App.Current.MainPage.DisplayAlert("", "Street address cannot be empty", "OK");
}
else if (paymentVM.BillingCity == null)
{
await App.Current.MainPage.DisplayAlert("", "City cannot be empty", "OK");
}
else if (paymentVM.BillingState == null)
{
await App.Current.MainPage.DisplayAlert("", "State cannot be empty", "OK");
}
else if (paymentVM.BillingZipCode == null)
{
await App.Current.MainPage.DisplayAlert("", "Zip code cannot be empty", "OK");
}
//Now check for the constraints
else if (paymentVM.CardNo.Length > 16)
{
await App.Current.MainPage.DisplayAlert("", "Card number invalid", "OK");
}
else if (!DateTime.TryParse(paymentVM.ExpDate, out temp))
{
await App.Current.MainPage.DisplayAlert("", "Experation Date invalid", "OK");
}
else if (!int.TryParse(paymentVM.CardNo, out cardnoTemp))
{
await App.Current.MainPage.DisplayAlert("", "Card No. not valid", "OK");
}
else if (!int.TryParse(paymentVM.CardNo, out securityCodetemp))
{
await App.Current.MainPage.DisplayAlert("", "Security code not valid", "OK");
}
else if (!int.TryParse(paymentVM.BillingZipCode, out zipCodeTemp) || paymentVM.BillingZipCode.Length > 5)
{
await App.Current.MainPage.DisplayAlert("", "Zip code is not valid", "OK");
}
else
{
//We first try to update if we do update then we dont proceed to add
bool paymentUpdated = await FirebaseHelper.UpdatePayment(App.UserName, paymentVM.CardNo, paymentVM.CardholderName, paymentVM.ExpDate, paymentVM.SecurityCode, paymentVM.BillingName, paymentVM.BillingStreetAddress, paymentVM.BillingCity, paymentVM.BillingState, paymentVM.BillingZipCode);
if (!paymentUpdated)
{
await FirebaseHelper.AddPaymentInfo(App.UserName, paymentVM.CardNo, paymentVM.CardholderName, paymentVM.ExpDate, paymentVM.SecurityCode, paymentVM.BillingName, paymentVM.BillingStreetAddress, paymentVM.BillingCity, paymentVM.BillingState, paymentVM.BillingZipCode);
await App.Current.MainPage.DisplayAlert("", "Payment Info Added", "OK");
}
else
{
await App.Current.MainPage.DisplayAlert("", "Payment Info Updated", "OK");
}
}
}
