/// <summary>
/// Builds the string to hash when a payment is requested.
/// Method is used in the OgonePageBuilder.
/// </summary>
/// <param name="paymentRequest">The payment request.</param>
/// <param name="shaSignIn">The sha sign in as configured at Ogone back-end.</param>
/// <param name="acceptUrl">The accept URL.</param>
/// <param name="backUrl">The back URL.</param>
/// <param name="cancelUrl">The cancel URL.</param>
/// <param name="declineUrl">The decline URL.</param>
/// <param name="exceptionUrl">The exception URL.</param>
/// <param name="operation">The operation value that tells Ogone what to do in the maintenance request.</param>
/// <param name="pspid">The pspid of the Ogone account.</param>
/// <returns>The string to be hashed and send with the payment request.</returns>
public string BuildHashString(PaymentRequest paymentRequest, string shaSignIn, string acceptUrl,
string backUrl, string cancelUrl, string declineUrl, string exceptionUrl, string operation, string pspid)
{
var concatString = new StringBuilder();
OrderAddress billingAddress = paymentRequest.PurchaseOrder.BillingAddress;
concatString.Append(BuildStringSection("accepturl", acceptUrl, shaSignIn));
concatString.Append(BuildStringSection("amount", paymentRequest.Amount.Value.ToCents().ToString(), shaSignIn));
concatString.Append(BuildStringSection("backurl", backUrl, shaSignIn));
concatString.Append(BuildStringSection("cancelurl", cancelUrl, shaSignIn));
concatString.Append(BuildStringSection("cn", billingAddress.FullCustomerName(), shaSignIn));
concatString.Append(BuildStringSection("currency", paymentRequest.Amount.CurrencyIsoCode, shaSignIn));
concatString.Append(BuildStringSection("declineurl", declineUrl, shaSignIn));
concatString.Append(BuildStringSection("email", billingAddress.EmailAddress, shaSignIn));
concatString.Append(BuildStringSection("exceptionurl", exceptionUrl, shaSignIn));
concatString.Append(BuildStringSection("language", paymentRequest.PurchaseOrder.CultureCode, shaSignIn));
concatString.Append(BuildStringSection("operation", operation, shaSignIn));
concatString.Append(BuildStringSection("orderid", paymentRequest.Payment.ReferenceId, shaSignIn));
concatString.Append(BuildStringSection("owneraddress", billingAddress.AddressLines(), shaSignIn));
concatString.Append(BuildStringSection("ownercty", billingAddress.Country.Name, shaSignIn));
concatString.Append(BuildStringSection("ownertelno", billingAddress.PhoneNumber, shaSignIn));
concatString.Append(BuildStringSection("ownertown", billingAddress.City, shaSignIn));
concatString.Append(BuildStringSection("ownerzip", billingAddress.PostalCode, shaSignIn));
var paramVarValue = string.Format("{0}/{1}", paymentRequest.Payment.PaymentMethod.PaymentMethodId,
paymentRequest.Payment.PaymentId);
concatString.Append(BuildStringSection("paramvar", paramVarValue, shaSignIn));
concatString.Append(BuildStringSection("pspid", pspid, shaSignIn));
return(concatString.ToString());
}
