static void Main(string[] args)
{
ProcessPayment paymentProcess = new ProcessPayment();
Console.WriteLine("Pick one of the following tests:");
Console.WriteLine("1. Test no. 1 - Validation failed because of the Credit Card Number and the Expiration Date.");
Console.WriteLine("2. Test no. 2 - Validation approved for the expensive amount of money.");
Console.WriteLine("3. Test no. 3 - Enter all details of the card: Credit Card Number, Card Holder, Expiration Code, Security Code(opional) and the amount of money.");
string input = Console.ReadLine();
if (input.Equals("1"))
{
// Credit card number validation fails
try
{
CreditCard creditCard = new CreditCard
{
CreditCardNumber = "123456789",
ExpirationDate = Convert.ToDateTime("10/01/2010"),
CardHolder = "Vasile",
SecurityCode = "023",
Amount = 15
};
Validator.ValidateObject(creditCard, new ValidationContext(creditCard, null, null), true);
paymentProcess.ProcessPaymentMethod(creditCard);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
// Expiration date custom validation fails
try
{
CreditCard creditCard = new CreditCard
{
CreditCardNumber = "1234567890000000",
ExpirationDate = Convert.ToDateTime("10/01/2010"),
CardHolder = "Vasile",
SecurityCode = "023",
Amount = 15
};
Validator.ValidateObject(creditCard, new ValidationContext(creditCard, null, null), true);
paymentProcess.ProcessPaymentMethod(creditCard);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
//The payment is processed for an Expensive amount
else if (input.Equals("2"))
{
try
{
CreditCard creditCard = new CreditCard
{
CreditCardNumber = "1234567890000000",
ExpirationDate = Convert.ToDateTime("10/01/2020"),
CardHolder = "Vasile",
SecurityCode = "023",
Amount = 250
};
Validator.ValidateObject(creditCard, new ValidationContext(creditCard, null, null), true);
paymentProcess.ProcessPaymentMethod(creditCard);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
else if (input.Equals("3"))
{
try
{
Console.WriteLine("Enter Credit Card Number:");
string cardNum = Console.ReadLine();
Console.WriteLine("Enter Credit Card Holder:");
string cardName = Console.ReadLine();
Console.WriteLine("Enter the Expiration Date of the card:");
DateTime cardExp = Convert.ToDateTime(Console.ReadLine());
Console.WriteLine("Enter the Security Code (optional):");
string cardSecurityCode = Console.ReadLine();
Console.WriteLine("Enter the amount of money:");
decimal amountOfMoney = Convert.ToDecimal(Console.ReadLine());
CreditCard creditCard = new CreditCard
{
CreditCardNumber = cardNum,
ExpirationDate = cardExp,
CardHolder = cardName,
SecurityCode = cardSecurityCode,
Amount = amountOfMoney
};
Validator.ValidateObject(creditCard, new ValidationContext(creditCard, null, null), true);
paymentProcess.ProcessPaymentMethod(creditCard);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
}
public static bool MakePayment(CreditCard creditCard)
{
Console.WriteLine("Cheap Payment has been processed successfully…");
return(true);
}
/// <summary>
/// Logging failure-of-payment event
/// </summary>
/// <param name="creditCard"> creditCard for which payment failed </param>
/// <param name="failureReason"> reason of failure </param>
public void SignalPaymentFailure(CreditCard creditCard, string failureReason)
{
Console.WriteLine(String.Format("Payment could not be executed for credit " +
"card number: {0};\t ammount: {1}\nReason for failure: {2}",
creditCard.CreditCardNumber, creditCard.Ammount, failureReason));
}
/// <summary>
/// Logging succesfull-payment event
/// </summary>
/// <param name="creditCard"> creditCard for which payment was fulfilled </param>
public void SignalPaymentSuccess(CreditCard creditCard)
{
Console.WriteLine(String.Format("Payment executed successfully.\n" +
"\t{0}£ were transfered from card: {1}, using {2}",
creditCard.Ammount, creditCard.CreditCardNumber, GetType().Name));
}
/// <summary> /// When fulfilling a payment, first check if the service is available, then attempt to wire the monney. /// /// Despite having almost identical implementation of this function for all the PaymentProviders, I chose to /// override it for each provider, as in a business scenario providers would have different implementations. /// </summary> /// <returns> TRUE if payment was fulfilled successfully </returns> public abstract bool FulfillPayment(CreditCard creditCard, int retryAttempts);