public decimal GetAllowedPrepaymentByChargeCard(ChargeCardType chargeCardType, decimal amount)
{
var discountPercentage = _settings.PrePayPercentage;
if (chargeCardType == ChargeCardType.AmericanExpress)
{
return(decimal.Round(amount * discountPercentage, 2));
}
return(amount);
}
public static string GetRegExpression(this ChargeCardType element)
{
switch (element)
{
case ChargeCardType.Visa:
return("^4[0-9]{12}(?:[0-9]{3})?$");
case ChargeCardType.MasterCard:
return("^5[1-5][0-9]{14}$");
case ChargeCardType.Discover:
return("^6(?:011|5[0-9]{2})[0-9]{12}$");
case ChargeCardType.AmericanExpress:
return("^3[47][0-9]{13}$");
default:
throw new InvalidOperationException("Can't validate Card type '" + element.GetDescription() + "', as there is no regular expression provided!");
}
}
