public override CreditCardType GetCreditCardType(string cardNumber)
{
try
{
var cardType = CardType.ForCardNumber(cardNumber);
if (cardType == null || cardType == CardType.Unknown)
{
if (!string.IsNullOrEmpty(cardNumber))
{
try
{
var creditCardBrand = cardNumber.CreditCardBrand();
if (creditCardBrand == CardIssuer.AmericanExpress)
{
return(CreditCardType.Amex);
}
if (creditCardBrand == CardIssuer.DinersClub)
{
return(CreditCardType.DinersClub);
}
if (creditCardBrand == CardIssuer.Discover)
{
return(CreditCardType.Discover);
}
if (creditCardBrand == CardIssuer.JCB)
{
return(CreditCardType.Jcb);
}
if (creditCardBrand == CardIssuer.Maestro)
{
return(CreditCardType.Maestro);
}
if (creditCardBrand == CardIssuer.MasterCard)
{
return(CreditCardType.Mastercard);
}
if (creditCardBrand == CardIssuer.Visa)
{
return(CreditCardType.Visa);
}
}
catch (System.Exception)
{
}
}
return(CreditCardType.Unknown);
}
if (cardType == CardType.Amex)
{
return(CreditCardType.Amex);
}
if (cardType == CardType.DinersClub)
{
return(CreditCardType.Amex);
}
if (cardType == CardType.Discover)
{
return(CreditCardType.Discover);
}
if (cardType == CardType.Jcb)
{
return(CreditCardType.Jcb);
}
if (cardType == CardType.Maestro)
{
return(CreditCardType.Maestro);
}
if (cardType == CardType.Mastercard)
{
return(CreditCardType.Mastercard);
}
if (cardType == CardType.UnionPay)
{
return(CreditCardType.UnionPay);
}
if (cardType == CardType.Visa)
{
return(CreditCardType.Visa);
}
}
catch (Exception e)
{
ExceptionHandler.Catch(e);
}
return(CreditCardType.Unknown);
}