public PaymentResponse Authorise(string merchantReference, Money amount, PaymentCard card)
{
if (merchantReference == null) throw new ArgumentNullException("merchantReference");
if (card == null) throw new ArgumentNullException("card");
ThrowIfFailPaymentChecks(amount, card);
return ProcessResponse(this.Post(this.BuildDirectPaymentRequestMessage(card, amount, "Authorization")));
}
public PaymentResponse Purchase(Money money, CreditCard creditCard)
{
if (money.Amount > 10.0m) {
return(new PaymentResponse() {
Status = PaymentStatus.Declined,
StatusDetail = "Sorry - FakeBank only accepts transactions under a tenner!"
});
}
return(new PaymentResponse() {
Status = PaymentStatus.OK,
StatusDetail = "Payment successful"
});
}
/// <summary>
/// Attempts to debit the specified amount from the supplied payment card.
/// </summary>
/// <param name="merchantReference">An alphanumeric reference supplied by the merchant that uniquely identifies this transaction</param>
/// <param name="amount">The amount of money to be debited from the payment card (includes the ISO4217 currency code).</param>
/// <param name="card">An instance of <see cref="PaymentCard"/> containing the customer's payment card details.</param>
/// <returns>
/// A <see cref="PaymentResponse"/> indicating whether the transaction succeeded.
/// </returns>
public PaymentResponse Purchase(string merchantReference, Money amount, PaymentCard card)
{
var xml = new XDocument(
new XDeclaration("1.0", "UTF-8", null),
new XElement("Request",
MakeAuthenticationElement(),
MakeTransactionElement(merchantReference, amount, amount.Currency.Iso3LetterCode, card, Method.auth)
)
);
var response = http.Post(new Uri(gatewayUri),
xml.ToString(SaveOptions.DisableFormatting));
var xmlResponse = XDocument.Parse(response);
var paymentResponse = this.PopulateResponse(xmlResponse);
return (paymentResponse);
}
/// <summary>
/// Attempts to debit the specified amount from the supplied payment card.
/// </summary>
/// <param name="merchantReference">An alphanumeric reference supplied by the merchant that uniquely identifies this transaction</param>
/// <param name="amount">The amount of money to be debited from the payment card (includes the ISO4217 currency code).</param>
/// <param name="card">An instance of <see cref="PaymentCard"/> containing the customer's payment card details.</param>
/// <returns>
/// A <see cref="PaymentResponse"/> indicating whether the transaction succeeded.
/// </returns>
public PaymentResponse Purchase(string merchantReference, Money amount, PaymentCard card)
{
if (amount > 10.0m)
{
return (new PaymentResponse()
{
Status = PaymentStatus.Declined,
Reason = "Sorry - FakeBank only accepts transactions under a tenner!"
});
}
return (new PaymentResponse()
{
Status = PaymentStatus.Ok,
Reason = "Payment successful"
});
}
/// <summary>Attempts to debit the specified amount from the supplied payment card.</summary>
/// <remarks>Because the SagePay gateway requires a shopping basket, this overload will create
/// a simple basket containing a single line item whose description is auto-generated from the
/// supplied order details.</remarks>
public PaymentResponse Purchase(string merchantReference, Money amount, PaymentCard card)
{
var data = MakePostData();
data.Add("TxType", "PAYMENT");
data.Add("VendorTxCode", merchantReference);
data.Add("Amount", amount.ToString("0.00"));
data.Add("Currency", amount.Currency.Iso3LetterCode);
data.Add("CardHolder", card.CardHolder);
data.Add("CardNumber", card.CardNumber);
data.Add("CardType", TranslateCardType(card.CardType));
data.Add("ExpiryDate", card.ExpiryDate.ToString());
data.Add("Basket", CreateBasketString(merchantReference, amount));
data.Add("Description", "DUMMY DESCRIPTION");
var postData = FormatPostData(data);
var uri = postUris[this.mode];
var httpResponse = http.Post(uri, postData);
var response = this.ParseResponse(httpResponse);
return (response);
}
public bool Equals(Money otherMoney)
{
if (otherMoney == null) return false;
return Amount.Equals(otherMoney.Amount);
}
/// <summary>
/// Attempts to debit the specified amount from the supplied payment card.
/// </summary>
/// <param name = "merchantReference">An alphanumeric reference supplied by the merchant that uniquely identifies this transaction</param>
/// <param name = "amount">The amount of money to be debited from the payment card (includes the ISO4217 currency code).</param>
/// <param name = "card">An instance of <see cref = "PaymentCard" /> containing the customer's payment card details.</param>
/// <returns>
/// A <see cref = "PaymentResponse" /> indicating whether the transaction succeeded.
/// </returns>
public PaymentResponse Purchase(string merchantReference, Money amount, PaymentCard card)
{
ThrowIfFailPaymentChecks(amount, card);
return ProcessResponse(this.Post(this.BuildDirectPaymentRequestMessage(card, amount, "Sale")));
}
private void ThrowIfFailPaymentChecks(Money amount, PaymentCard card)
{
if(!Accepts(amount.Currency, card.CardType)) {
throw new ArgumentOutOfRangeException("card", String.Format("Gateway cannot accept CardType of {0} with currency {1} in {2}.", card.CardType, amount.Currency.Iso3LetterCode, this.environment.AccountCountry));
}
if (amount <= 0)
throw new ArgumentException(@"Purchase amount must be greater than zero.", "amount");
string ppCreditCardType;
if (!CardTypeToPayPalCardStringMap.TryGetValue(card.CardType, out ppCreditCardType))
throw new ArgumentException(string.Format("PaymentCard.CardType must be one of the following: {0}", String.Join(" ", CardTypeToPayPalCardStringMap.Keys.Select(e => e.ToString()).ToArray())));
}
private string BuildDirectPaymentRequestMessage(PaymentCard card, Money amount, string paymentAction)
{
var pairs = new Dictionary<string, string> {
{"VERSION", this.environment.Version},
{"SIGNATURE", this.environment.Signature},
{"USER", this.environment.Username},
{"PWD", this.environment.Password},
{"METHOD", "DoDirectPayment"}, //Required
{"PAYMENTACTION", paymentAction}, //Other option is Authorization. Use when we do Auth and capture.
{"IPADDRESS", "192.168.1.1"}, //TODO Required for fraud purposes.
{"AMT", amount.ToString("0.00")},
{"CREDITCARDTYPE", CardTypeToPayPalCardStringMap[card.CardType]},
{"ACCT", card.CardNumber},
{"EXPDATE", card.ExpiryDate.TwoDigitMonth + card.ExpiryDate.Year},
{"CVV2", card.CV2},
//TODO billing address data for PayPal.
{"FIRSTNAME", "Bob"},
{"LASTNAME", "Le Builder"},
{"STREET", "1972 Toytown"},
{"CITY", "London"},
{"STATE", "London"},
{"ZIP", "N1 3JS"},
//TODO check how values for currency relate to PayPal currency codes
//https://cms.paypal.com/uk/cgi-bin/?cmd=_render-content&content_ID=developer/e_howto_api_nvp_country_codes
{"COUNTRYCODE", "GB"}, //TODO
{"CURRENCYCODE", amount.Currency.Iso3LetterCode}
};
var values =
pairs.Select(pair => String.Format("{0}={1}", pair.Key, HttpUtility.UrlEncode(pair.Value)));
return (String.Join("&", values.ToArray()));
}