public static ProcessorArgumentCollection AsProcessorArgumentCollection(this CreditCardFormData creditCard)
{
return(new ProcessorArgumentCollection()
{
{ "creditCardType", creditCard.CreditCardType },
{ "cardholderName", creditCard.CardholderName },
{ "cardNumber", creditCard.CardNumber },
{ "expireMonth", creditCard.ExpireMonth },
{ "expireYear", creditCard.ExpireYear },
{ "cardCode", creditCard.CardCode }
});
}
/// <summary>
/// Gets a single use token that can be used in place of a credit card details.
/// The token can be used once for creating a new charge.
/// </summary>
/// <param name="creditCard"></param>
/// <param name="address"></param>
/// <param name="settings"></param>
/// <returns></returns>
public static string GetCardToken(CreditCardFormData creditCard, IAddress address, StripeProcessorSettings settings)
{
var requestParams = new NameValueCollection();
requestParams.Add("card[number]", creditCard.CardNumber);
requestParams.Add("card[exp_month]", creditCard.ExpireMonth);
requestParams.Add("card[exp_year]", creditCard.ExpireYear);
requestParams.Add("card[cvc]", creditCard.CardCode);
requestParams.Add("card[name]", creditCard.CardholderName);
if (address != null)
{
requestParams.Add("card[address_line1]", address.Address1);
requestParams.Add("card[address_line2]", address.Address2);
requestParams.Add("card[address_city]", address.Locality);
if (!string.IsNullOrEmpty(address.Region))
requestParams.Add("card[address_state]", address.Region);
requestParams.Add("card[address_zip]", address.PostalCode);
if (!string.IsNullOrEmpty(address.CountryCode))
requestParams.Add("card[address_country]", address.CountryCode);
}
string postData =
requestParams.AllKeys.Aggregate("",
(current, key) => current + (key + "=" + HttpUtility.UrlEncode(requestParams[key]) + "&"))
.TrimEnd('&');
// https://stripe.com/docs/api#create_card_token
var response = StripeHelper.MakeStripeApiRequest("https://api.stripe.com/v1/tokens", "POST", requestParams, settings);
string apiResponse = null;
using (var reader = new StreamReader(response.GetResponseStream()))
{
apiResponse = reader.ReadToEnd();
}
JObject responseJson = JObject.Parse(apiResponse);
switch (response.StatusCode)
{
case HttpStatusCode.OK: // 200
return (string) responseJson["id"];
default:
throw new Exception("Stripe error");
}
}
/// <summary>
/// Processes the Authorize and AuthorizeAndCapture transactions
/// </summary>
/// <param name="invoice">The <see cref="IInvoice" /> to be paid</param>
/// <param name="payment">The <see cref="IPayment" /> record</param>
/// <param name="transactionMode">Authorize or AuthorizeAndCapture</param>
/// <param name="amount">The money amount to be processed</param>
/// <param name="creditCard">The <see cref="CreditCardFormData" /></param>
/// <returns>The <see cref="IPaymentResult" /></returns>
public IPaymentResult ProcessPayment(IInvoice invoice, IPayment payment, TransactionMode transactionMode,
decimal amount, CreditCardFormData creditCard)
{
if (!IsValidCurrencyCode(invoice.CurrencyCode()))
return new PaymentResult(Attempt<IPayment>.Fail(payment, new Exception("Invalid currency")), invoice,
false);
// The minimum amount is $0.50 (or equivalent in charge currency).
// Test that the payment meets the minimum amount (for USD only).
if (invoice.CurrencyCode() == "USD")
{
if (amount < 0.5m)
return
new PaymentResult(
Attempt<IPayment>.Fail(payment, new Exception("Invalid amount (less than 0.50 USD)")),
invoice, false);
}
else
{
if (amount < 1)
return
new PaymentResult(
Attempt<IPayment>.Fail(payment,
new Exception("Invalid amount (less than 1 " + invoice.CurrencyCode() + ")")),
invoice, false);
}
var requestParams = StripeHelper.PreparePostDataForProcessPayment(invoice.GetBillingAddress(), transactionMode,
ConvertAmount(invoice, amount), invoice.CurrencyCode(), creditCard, invoice.PrefixedInvoiceNumber(),
string.Format("Full invoice #{0}", invoice.PrefixedInvoiceNumber()));
// https://stripe.com/docs/api#create_charge
try
{
var response = StripeHelper.MakeStripeApiRequest("https://api.stripe.com/v1/charges", "POST", requestParams, _settings);
return GetProcessPaymentResult(invoice, payment, response);
}
catch (WebException ex)
{
return GetProcessPaymentResult(invoice, payment, (HttpWebResponse) ex.Response);
}
}
/// <summary>
/// Processes the Authorize and AuthorizeAndCapture transactions
/// </summary>
/// <param name="invoice">The <see cref="IInvoice" /> to be paid</param>
/// <param name="payment">The <see cref="IPayment" /> record</param>
/// <param name="transactionMode">Authorize or AuthorizeAndCapture</param>
/// <param name="amount">The money amount to be processed</param>
/// <param name="creditCard">The <see cref="CreditCardFormData" /></param>
/// <returns>The <see cref="IPaymentResult" /></returns>
public IPaymentResult ProcessPayment(IInvoice invoice, IPayment payment, TransactionMode transactionMode,
decimal amount, CreditCardFormData creditCard)
{
if (!IsValidCurrencyCode(invoice.CurrencyCode()))
return new PaymentResult(Attempt<IPayment>.Fail(payment, new Exception("Invalid currency")), invoice,
false);
// The minimum amount is $0.50 (or equivalent in charge currency).
// Test that the payment meets the minimum amount (for USD only).
if (invoice.CurrencyCode() == "USD")
{
if (amount < 0.5m)
return
new PaymentResult(
Attempt<IPayment>.Fail(payment, new Exception("Invalid amount (less than 0.50 USD)")),
invoice, false);
}
else
{
if (amount < 1)
return
new PaymentResult(
Attempt<IPayment>.Fail(payment,
new Exception("Invalid amount (less than 1 " + invoice.CurrencyCode() + ")")),
invoice, false);
}
var requestParams = new NameValueCollection();
requestParams.Add("amount", ConvertAmount(invoice, amount));
requestParams.Add("currency", invoice.CurrencyCode());
if (transactionMode == TransactionMode.Authorize)
requestParams.Add("capture", "false");
requestParams.Add("card[number]", creditCard.CardNumber);
requestParams.Add("card[exp_month]", creditCard.ExpireMonth);
requestParams.Add("card[exp_year]", creditCard.ExpireYear);
requestParams.Add("card[cvc]", creditCard.CardCode);
requestParams.Add("card[name]", creditCard.CardholderName);
// Billing address
IAddress address = invoice.GetBillingAddress();
//requestParams.Add("receipt_email", address.Email); // note: this will send receipt email - maybe there should be a setting controlling if this is passed or not. Email could also be added to metadata
requestParams.Add("card[address_line1]", address.Address1);
requestParams.Add("card[address_line2]", address.Address2);
requestParams.Add("card[address_city]", address.Locality);
if (!string.IsNullOrEmpty(address.Region)) requestParams.Add("card[address_state]", address.Region);
requestParams.Add("card[address_zip]", address.PostalCode);
if (!string.IsNullOrEmpty(address.CountryCode))
requestParams.Add("card[address_country]", address.CountryCode);
requestParams.Add("metadata[invoice_number]", invoice.PrefixedInvoiceNumber());
requestParams.Add("description", string.Format("Full invoice #{0}", invoice.PrefixedInvoiceNumber()));
string postData =
requestParams.AllKeys.Aggregate("",
(current, key) => current + (key + "=" + HttpUtility.UrlEncode(requestParams[key]) + "&"))
.TrimEnd('&');
// https://stripe.com/docs/api#create_charge
try
{
var response = MakeStripeApiRequest("https://api.stripe.com/v1/charges", "POST", requestParams);
return GetProcessPaymentResult(invoice, payment, response);
}
catch (WebException ex)
{
return GetProcessPaymentResult(invoice, payment, (HttpWebResponse) ex.Response);
}
}
public void Can_Authorize_A_Payment()
{
//// Arrange
var creditCardMethod = Provider.GetPaymentGatewayMethodByPaymentCode("CreditCard");
Assert.NotNull(creditCardMethod);
var ccEntry = new CreditCardFormData()
{
CreditCardType = "VISA",
CardholderName = "Alex Lindgren",
CardNumber = "4012888888881881",
CardCode = "111",
ExpireMonth = "09",
ExpireYear = "15"
};
//// Act
var result = creditCardMethod.AuthorizePayment(_invoice, ccEntry.AsProcessorArgumentCollection());
//// Assert
Assert.NotNull(result);
Assert.IsTrue(result.Payment.Success);
var payment = result.Payment.Result;
}
public void Can_Authorize_And_Then_Later_Capture_A_Payment()
{
var creditCardMethod = Provider.GetPaymentGatewayMethodByPaymentCode("CreditCard");
Assert.NotNull(creditCardMethod);
var ccEntry = new CreditCardFormData()
{
CreditCardType = "VISA",
CardholderName = "Alex Lindgren",
CardNumber = "4012888888881881",
CardCode = "111",
ExpireMonth = "09",
ExpireYear = "15"
};
var authorizes = creditCardMethod.AuthorizePayment(_invoice, ccEntry.AsProcessorArgumentCollection());
Assert.IsTrue(authorizes.Payment.Success, "authorize call failed");
Assert.AreNotEqual(Core.Constants.DefaultKeys.InvoiceStatus.Paid, _invoice.InvoiceStatusKey, "invoice is marked as paid and is only authorized");
//// Act
var authorizedPayment = authorizes.Payment.Result;
var result = creditCardMethod.CapturePayment(_invoice, authorizedPayment, _invoice.Total, new ProcessorArgumentCollection());
//// Assert
Assert.NotNull(result);
Assert.IsTrue(result.Payment.Success);
var payment = result.Payment.Result;
Assert.IsFalse(_invoice.IsDirty());
Assert.AreEqual(Core.Constants.DefaultKeys.InvoiceStatus.Paid, _invoice.InvoiceStatusKey);
}
public void Can_AuthorizeAndCapture_A_Payment()
{
//// Arrange
var creditCardMethod = Provider.GetPaymentGatewayMethodByPaymentCode("CreditCard");
Assert.NotNull(creditCardMethod);
var ccEntry = new CreditCardFormData()
{
CreditCardType = "VISA",
CardholderName = "Alex Lindgren",
CardNumber = "4012888888881881",
CardCode = "111",
ExpireMonth = "09",
ExpireYear = "15"
};
//// Act
var result = creditCardMethod.AuthorizeCapturePayment(_invoice, _invoice.Total, ccEntry.AsProcessorArgumentCollection());
//// Assert
Assert.NotNull(result);
Assert.IsTrue(result.Payment.Success);
var payment = result.Payment.Result;
Assert.IsFalse(_invoice.IsDirty());
Assert.AreEqual(Core.Constants.DefaultKeys.InvoiceStatus.Paid, _invoice.InvoiceStatusKey);
}
public static NameValueCollection PreparePostDataForProcessPayment(IAddress billingAddress,
TransactionMode transactionMode,
string amount, string currency, CreditCardFormData creditCard, string invoiceNumber, string description)
{
var requestParams = new NameValueCollection();
requestParams.Add("amount", amount);
requestParams.Add("currency", currency);
if (transactionMode == TransactionMode.Authorize)
requestParams.Add("capture", "false");
if (!String.IsNullOrEmpty(creditCard.StripeCustomerId))
{
requestParams.Add("customer", creditCard.StripeCustomerId);
if (!String.IsNullOrEmpty(creditCard.StripeCardId))
requestParams.Add("card", creditCard.StripeCardId);
}
else
{
if (!String.IsNullOrEmpty(creditCard.StripeCardToken))
{
requestParams.Add("card", creditCard.StripeCardToken);
}
else
{
requestParams.Add("card[number]", creditCard.CardNumber);
requestParams.Add("card[exp_month]", creditCard.ExpireMonth);
requestParams.Add("card[exp_year]", creditCard.ExpireYear);
requestParams.Add("card[cvc]", creditCard.CardCode);
requestParams.Add("card[name]", creditCard.CardholderName);
//requestParams.Add("receipt_email", address.Email); // note: this will send receipt email - maybe there should be a setting controlling if this is passed or not. Email could also be added to metadata
requestParams.Add("card[address_line1]", billingAddress.Address1);
requestParams.Add("card[address_line2]", billingAddress.Address2);
requestParams.Add("card[address_city]", billingAddress.Locality);
if (!string.IsNullOrEmpty(billingAddress.Region))
requestParams.Add("card[address_state]", billingAddress.Region);
requestParams.Add("card[address_zip]", billingAddress.PostalCode);
if (!string.IsNullOrEmpty(billingAddress.CountryCode))
requestParams.Add("card[address_country]", billingAddress.CountryCode);
}
}
requestParams.Add("metadata[invoice_number]", invoiceNumber);
requestParams.Add("description", description);
string postData =
requestParams.AllKeys.Aggregate("",
(current, key) => current + (key + "=" + HttpUtility.UrlEncode(requestParams[key]) + "&"))
.TrimEnd('&');
return requestParams;
}
public void Can_AuthFail_A_Payment()
{
//// Arrange
var creditCardMethod = Provider.GetPaymentGatewayMethodByPaymentCode("CreditCard");
Assert.NotNull(creditCardMethod);
var ccEntry = new CreditCardFormData()
{
CreditCardType = "VISA",
CardholderName = "Alex Lindgren",
CardNumber = "1234123412341234",
CardCode = "111",
ExpireMonth = "09",
ExpireYear = "15"
};
//// Act
var result = creditCardMethod.AuthorizePayment(_invoice, ccEntry.AsProcessorArgumentCollection());
//// Assert
Assert.NotNull(result);
Assert.IsFalse(result.Payment.Success);
Assert.IsTrue(result.Payment.Exception.Message == "Your card number is incorrect.");
}
