public PayPalAmount CalcAmount(PayPalCurrency currency, List <PayPalItem> items, double shippingPrice, double shippingDiscount)
{
try
{
double subTotal = 0;
double taxes = 0;
foreach (var item in items)
{
//calc subtotal
subTotal += item.Price * item.Quantity;
//calc taxes
taxes += item.Tax * item.Quantity;
}
return(new PayPalAmount
{
Total = (shippingPrice - shippingDiscount) + subTotal + taxes,
Currency = currency,
Details = new PayPalAmountDetails()
{
Subtotal = subTotal,
Tax = taxes,
Shipping = shippingPrice,
ShippingDiscount = shippingDiscount
}
});
}
catch (Exception e)
{
throw e;
}
}
public static bool DoExpressCheckoutPayment(PayPalEnvironment Environment, string expressCheckoutToken, string expressCheckoutPayerID, string orderTotalValue, PayPalCurrency currency)
{
if (Environment == PayPalEnvironment.SandBox)
{
return DoExpressCheckoutPaymentSandBox(expressCheckoutToken, expressCheckoutPayerID, orderTotalValue, currency);
}
else
{
return DoExpressCheckoutPaymentReal(expressCheckoutToken, expressCheckoutPayerID, orderTotalValue, currency);
}
}
public static string CreatePaypalExpressPayment(PayPalEnvironment Environment, string orderDescription, double itemPrice, PayPalCurrency currency, int quantity, string ItemName, string ItemNumber, string ReturnUrl, string CancelUrl, out string paypalToken)
{
if (Environment == PayPalEnvironment.SandBox)
{
return CreatePaypalExpressPaymentSandbox(orderDescription, itemPrice, currency, quantity, ItemName, ItemNumber, ReturnUrl, CancelUrl, out paypalToken);
}
else
{
return CreatePaypalExpressPaymentReal(orderDescription, itemPrice, currency, quantity, ItemName, ItemNumber, ReturnUrl, CancelUrl, out paypalToken);
}
}
public PayPalTransaction(List <PayPalItem> items, PayPalShippingAddress shippingAddress, string invoiceNumber, string transactionDescription, AllowedPaymentMethod allowedPaymentMethod, PayPalCurrency currency, double shippingPrice, double shippingDiscount)
{
ItemList = new PayPalItemList {
Items = items, ShippingAddress = shippingAddress
};
InvoiceNumber = invoiceNumber;
Description = transactionDescription;
PaymentOptions = new PayPalPaymentOption {
AllowedPaymentMethod = allowedPaymentMethod
};
Amount = CalcAmount(currency, items, shippingPrice, shippingDiscount);
}
private static PayPalAPIHelper.PayPalWS.CurrencyCodeType ConvertProgramCurrencyToPayPal(PayPalCurrency currency)
{
return (PayPalAPIHelper.PayPalWS.CurrencyCodeType)Enum.Parse(typeof(PayPalAPIHelper.PayPalWS.CurrencyCodeType),
Enum.GetName(typeof(PayPalCurrency), currency));
}
private static bool DoExpressCheckoutPaymentSandBox(string expressCheckoutToken, string expressCheckoutPayerID, string orderTotalValue, PayPalCurrency currency)
{
bool success = false;
PayPalAPIHelper.PayPalSandboxWS.PaymentDetailsType paymentDetails = new PayPalSandboxWS.PaymentDetailsType();
paymentDetails.OrderTotal = new PayPalSandboxWS.BasicAmountType();
paymentDetails.OrderTotal.currencyID = ConvertProgramCurrencyToPayPalSandbox(currency);
paymentDetails.OrderTotal.Value = orderTotalValue;
// prepare for commiting transaction
PayPalAPIHelper.PayPalSandboxWS.DoExpressCheckoutPaymentReq payReq = new PayPalAPIHelper.PayPalSandboxWS.DoExpressCheckoutPaymentReq()
{
DoExpressCheckoutPaymentRequest = new PayPalAPIHelper.PayPalSandboxWS.DoExpressCheckoutPaymentRequestType()
{
Version = Version,
DoExpressCheckoutPaymentRequestDetails = new PayPalAPIHelper.PayPalSandboxWS.DoExpressCheckoutPaymentRequestDetailsType()
{
Token = expressCheckoutToken,
PaymentAction = PayPalAPIHelper.PayPalSandboxWS.PaymentActionCodeType.Sale,
PayerID = expressCheckoutPayerID,
PaymentDetails = new PayPalAPIHelper.PayPalSandboxWS.PaymentDetailsType[] { paymentDetails },
}
}
};
// commit transaction and display results to user
PayPalAPIHelper.PayPalSandboxWS.DoExpressCheckoutPaymentResponseType doResponse =
BuildPayPalSandboxWebservice().DoExpressCheckoutPayment(payReq);
HandleErrorSandbox(doResponse);
success = true;
return success;
}
private static string CreatePaypalExpressPaymentSandbox(string orderDescription, double itemPrice, PayPalCurrency currency, int quantity, string ItemName, string ItemNumber, string ReturnUrl, string CancelUrl, out string paypalToken)
{
double totalPrice = itemPrice;// itemPrice* quantity;
// build request
PayPalAPIHelper.PayPalSandboxWS.SetExpressCheckoutRequestDetailsType reqDetails = new PayPalAPIHelper.PayPalSandboxWS.SetExpressCheckoutRequestDetailsType();
reqDetails.ReturnURL = ReturnUrl;
reqDetails.CancelURL = CancelUrl;
reqDetails.NoShipping = "1";
reqDetails.OrderDescription = orderDescription;
reqDetails.OrderTotal = new PayPalAPIHelper.PayPalSandboxWS.BasicAmountType()
{
currencyID = ConvertProgramCurrencyToPayPalSandbox(currency),
Value = totalPrice.ToString("0.##").Replace(",", ".")
};
PayPalAPIHelper.PayPalSandboxWS.PaymentDetailsType paymentDetails = new PayPalAPIHelper.PayPalSandboxWS.PaymentDetailsType();
PayPalAPIHelper.PayPalSandboxWS.PaymentDetailsItemType item = new PayPalAPIHelper.PayPalSandboxWS.PaymentDetailsItemType();
item.Amount = new PayPalAPIHelper.PayPalSandboxWS.BasicAmountType();
item.Amount.currencyID = ConvertProgramCurrencyToPayPalSandbox(currency);
item.Amount.Value = totalPrice.ToString("0.##").Replace(",", ".");
item.Name = ItemName;
item.Number = quantity.ToString();
item.Quantity = "1"; //quantity.ToString();
paymentDetails.PaymentDetailsItem = new PayPalAPIHelper.PayPalSandboxWS.PaymentDetailsItemType[] { item };
reqDetails.PaymentDetails = new PayPalAPIHelper.PayPalSandboxWS.PaymentDetailsType[] { paymentDetails };
PayPalAPIHelper.PayPalSandboxWS.SetExpressCheckoutReq req = new PayPalAPIHelper.PayPalSandboxWS.SetExpressCheckoutReq()
{
SetExpressCheckoutRequest = new PayPalAPIHelper.PayPalSandboxWS.SetExpressCheckoutRequestType()
{
Version = Version,
SetExpressCheckoutRequestDetails = reqDetails
}
};
// query PayPal and get token
PayPalAPIHelper.PayPalSandboxWS.SetExpressCheckoutResponseType resp = BuildPayPalSandboxWebservice().SetExpressCheckout(req);
HandleErrorSandbox(resp);
paypalToken = resp.Token;
// return a URL to PayPal
return (string.Format("{0}?cmd=_express-checkout&token={1}", "https://www.sandbox.paypal.com/cgi-bin/webscr", paypalToken));
}
