public bool DoCheckoutPayment(string finalPaymentAmount, string token, string PayerID, ref NVPCodec decoder, ref string retMsg)
{
if (bSandbox)
{
pEndPointURL = pEndPointURL_SB;
}
NVPCodec encoder = new NVPCodec();
encoder["METHOD"] = "DoExpressCheckoutPayment";
encoder["TOKEN"] = token;
encoder["PAYERID"] = PayerID;
encoder["PAYMENTREQUEST_0_AMT"] = finalPaymentAmount;
encoder["PAYMENTREQUEST_0_CURRENCYCODE"] = "USD";
encoder["PAYMENTREQUEST_0_PAYMENTACTION"] = "Sale";
string pStrrequestforNvp = encoder.Encode();
string pStresponsenvp = HttpCall(pStrrequestforNvp);
decoder = new NVPCodec();
decoder.Decode(pStresponsenvp);
string strAck = decoder["ACK"].ToLower();
if (strAck != null && (strAck == "success" || strAck == "successwithwarning"))
{
return true;
}
else
{
retMsg = "ErrorCode=" + decoder["L_ERRORCODE0"] + "&" +
"Desc=" + decoder["L_SHORTMESSAGE0"] + "&" +
"Desc2=" + decoder["L_LONGMESSAGE0"];
return false;
}
}
public bool DoCheckoutPayment(string finalPaymentAmount, string token, string PayerID, ref NVPCodec decoder, ref string retMsg)
{
if (bSandbox)
{
pEndPointURL = pEndPointURL_SB;
}
NVPCodec encoder = new NVPCodec();
encoder["METHOD"] = "DoExpressCheckoutPayment";
encoder["TOKEN"] = token;
encoder["PAYERID"] = PayerID;
encoder["PAYMENTREQUEST_0_AMT"] = finalPaymentAmount;
encoder["PAYMENTREQUEST_0_CURRENCYCODE"] = "USD";
encoder["PAYMENTREQUEST_0_PAYMENTACTION"] = "Sale";
string pStrrequestforNvp = encoder.Encode();
string pStresponsenvp = HttpCall(pStrrequestforNvp);
decoder = new NVPCodec();
decoder.Decode(pStresponsenvp);
string strAck = decoder["ACK"].ToLower();
if (strAck != null && (strAck == "success" || strAck == "successwithwarning"))
{
return(true);
}
else
{
retMsg = "ErrorCode=" + decoder["L_ERRORCODE0"] + "&" +
"Desc=" + decoder["L_SHORTMESSAGE0"] + "&" +
"Desc2=" + decoder["L_LONGMESSAGE0"];
return(false);
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
NVPAPICaller payPalCaller = new NVPAPICaller();
string retMsg = "";
string token = "";
string PayerID = "";
NVPCodec decoder = new NVPCodec();
token = Session["token"].ToString();
bool ret = payPalCaller.GetCheckoutDetails(token, ref PayerID, ref decoder, ref retMsg);
if (ret)
{
Session["payerId"] = PayerID;
var myOrder = new Orders();
myOrder.Username = User.Identity.Name;
myOrder.Total = Convert.ToDecimal(decoder["AMT"].ToString());
// Verify total payment amount as set on CheckoutStart.aspx.
try
{
decimal paymentAmountOnCheckout = Convert.ToDecimal(Session["payment_amt"].ToString());
decimal paymentAmoutFromPayPal = Convert.ToDecimal(decoder["AMT"].ToString());
if (paymentAmountOnCheckout != paymentAmoutFromPayPal)
{
Response.Redirect("CheckoutError.aspx?" + "Desc=Amount%20total%20mismatch.");
}
}
catch (Exception)
{
Response.Redirect("CheckoutError.aspx?" + "Desc=Amount%20total%20mismatch.");
}
// Get DB context.
ProductContext _db = new ProductContext();
// Add order to DB.
_db.Orders.Add(myOrder);
_db.SaveChanges();
// Get the shopping cart items and process them.
using (CampusCourier.Logic.ShoppingCartActions usersShoppingCart = new CampusCourier.Logic.ShoppingCartActions())
{
List<CartItem> myOrderList = usersShoppingCart.GetCartItems();
// Add OrderDetail information to the DB for each product purchased.
for (int i = 0; i < myOrderList.Count; i++)
{
// Create a new OrderDetail object.
var myOrderDetail = new OrderDetail();
myOrderDetail.OrderId = myOrder.OrderId;
myOrderDetail.CustName = User.Identity.Name;
myOrderDetail.ProductId = myOrderList[i].ProductId;
myOrderDetail.Quantity = myOrderList[i].Quantity;
myOrderDetail.UnitPrice = myOrderList[i].Product.UnitPrice;
// Add OrderDetail to DB.
_db.OrderDetails.Add(myOrderDetail);
_db.SaveChanges();
}
// Set OrderId. Remove this if it wont work
Session["currentOrderId"] = myOrder.OrderId;
//Adding data to orders
List<CartItem> ordersdatalist = usersShoppingCart.GetCartItems();
for (int i = 0; i < ordersdatalist.Count; i++)
{
var ordersdata = new Orders();
ordersdata.OrderId = myOrder.OrderId;
ordersdata.Quantity = ordersdatalist[i].Quantity;
int productid = ordersdatalist[i].ProductId;
ordersdata.RestName = ordersdatalist[i].Product.Restaurant.RestaurantName;
int location = Convert.ToInt32(ordersdatalist[i].Product.RestaurantID);
string Query = "SELECT LocationName from Locations WHERE LocationID ='" + location + "'";
string connectionstring = ConfigurationManager.ConnectionStrings["CampusCourier"].ConnectionString;
SqlConnection conn = new SqlConnection(connectionstring);
SqlCommand comm = new SqlCommand(Query, conn);
conn.Open();
SqlDataReader nwReader = comm.ExecuteReader();
while (nwReader.Read())
{
ordersdata.Location = (string)nwReader["LocationName"];
}
nwReader.Close();
conn.Close();
ordersdata.Total = Convert.ToDecimal(ordersdatalist[i].Product.UnitPrice);
ordersdata.Status = "Waiting For Delivery";
_db.Orders.Add(ordersdata);
_db.SaveChanges();
}
// Display Order information.
List<Orders> orderList = new List<Orders>();
orderList.Add(myOrder);
ShipInfo.DataSource = orderList;
ShipInfo.DataBind();
// Display OrderDetails.
OrderItemList.DataSource = myOrderList;
OrderItemList.DataBind();
Session["userCheckoutCompleted"] = "true";
Response.Redirect("~/Checkout/CheckoutComplete.aspx");
}
}
else
{
Response.Redirect("CheckoutError.aspx?" + retMsg);
}
}
}
public bool GetCheckoutDetails(string token, ref string PayerID, ref NVPCodec decoder, ref string retMsg)
{
if (bSandbox)
{
pEndPointURL = pEndPointURL_SB;
}
NVPCodec encoder = new NVPCodec();
encoder["METHOD"] = "GetExpressCheckoutDetails";
encoder["TOKEN"] = token;
string pStrrequestforNvp = encoder.Encode();
string pStresponsenvp = HttpCall(pStrrequestforNvp);
decoder = new NVPCodec();
decoder.Decode(pStresponsenvp);
string strAck = decoder["ACK"].ToLower();
if (strAck != null && (strAck == "success" || strAck == "successwithwarning"))
{
PayerID = decoder["PAYERID"];
return true;
}
else
{
retMsg = "ErrorCode=" + decoder["L_ERRORCODE0"] + "&" +
"Desc=" + decoder["L_SHORTMESSAGE0"] + "&" +
"Desc2=" + decoder["L_LONGMESSAGE0"];
return false;
}
}
private string buildCredentialsNVPString()
{
NVPCodec codec = new NVPCodec();
if (!IsEmpty(APIUsername))
codec["USER"] = APIUsername;
if (!IsEmpty(APIPassword))
codec[PWD] = APIPassword;
if (!IsEmpty(APISignature))
codec[SIGNATURE] = APISignature;
if (!IsEmpty(Subject))
codec["SUBJECT"] = Subject;
codec["VERSION"] = "88.0";
return codec.Encode();
}
public bool ShortcutExpressCheckout(string amt, ref string token, ref string retMsg)
{
if (bSandbox)
{
pEndPointURL = pEndPointURL_SB;
host = host_SB;
}
string returnURL = "https://localhost:44300/Checkout/CheckoutReview.aspx";
string cancelURL = "https://localhost:44300/Checkout/CheckoutCancel.aspx";
NVPCodec encoder = new NVPCodec();
encoder["METHOD"] = "SetExpressCheckout";
encoder["RETURNURL"] = returnURL;
encoder["CANCELURL"] = cancelURL;
encoder["BRANDNAME"] = "CampusCourier";
encoder["PAYMENTREQUEST_0_AMT"] = amt;
encoder["PAYMENTREQUEST_0_ITEMAMT"] = amt;
encoder["PAYMENTREQUEST_0_PAYMENTACTION"] = "Sale";
encoder["PAYMENTREQUEST_0_CURRENCYCODE"] = "USD";
// Get the Shopping Cart Products
using (CampusCourier.Logic.ShoppingCartActions myCartOrders = new CampusCourier.Logic.ShoppingCartActions())
{
List<CartItem> myOrderList = myCartOrders.GetCartItems();
for (int i = 0; i < myOrderList.Count; i++)
{
encoder["L_PAYMENTREQUEST_0_NAME" + i] = myOrderList[i].Product.ProductName.ToString();
encoder["L_PAYMENTREQUEST_0_AMT" + i] = myOrderList[i].Product.UnitPrice.ToString();
encoder["L_PAYMENTREQUEST_0_QTY" + i] = myOrderList[i].Quantity.ToString();
}
}
string pStrrequestforNvp = encoder.Encode();
string pStresponsenvp = HttpCall(pStrrequestforNvp);
NVPCodec decoder = new NVPCodec();
decoder.Decode(pStresponsenvp);
string strAck = decoder["ACK"].ToLower();
// string strAck = "success";
if (strAck != null && (strAck == "success" || strAck == "successwithwarning"))
{
token = decoder["TOKEN"];
string ECURL = "https://" + host + "/cgi-bin/webscr?cmd=_express-checkout" + "&token=" + token;
retMsg = ECURL;
return true;
}
else
{
retMsg = "ErrorCode=" + decoder["L_ERRORCODE0"] + "&" +
"Desc=" + decoder["L_SHORTMESSAGE0"] + "&" +
"Desc2=" + decoder["L_LONGMESSAGE0"];
return false;
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
// Verify user has completed the checkout process.
if ((string)Session["userCheckoutCompleted"] != "true")
{
Session["userCheckoutCompleted"] = string.Empty;
Response.Redirect("CheckoutError.aspx?" + "Desc=Unvalidated%20Checkout.");
}
NVPAPICaller payPalCaller = new NVPAPICaller();
string retMsg = "";
string token = "";
string finalPaymentAmount = "";
string PayerID = "";
NVPCodec decoder = new NVPCodec();
token = Session["token"].ToString();
PayerID = Session["payerId"].ToString();
finalPaymentAmount = Session["payment_amt"].ToString();
bool ret = payPalCaller.DoCheckoutPayment(finalPaymentAmount, token, PayerID, ref decoder, ref retMsg);
if (ret)
{
// Retrieve PayPal confirmation value.
string PaymentConfirmation = decoder["PAYMENTINFO_0_TRANSACTIONID"].ToString();
TransactionId.Text = PaymentConfirmation;
ProductContext _db = new ProductContext();
// Get the current order id.
int currentOrderId = -1;
if (Session["currentOrderId"] != string.Empty)
{
//currentOrderId = Convert.ToInt32(Session["currentOrderID"]);
}
//Orders myCurrentOrder;
if (currentOrderId >= 0)
{
// Get the order based on order id.
//myCurrentOrder = _db.Orders.Single(o => o.OrderId == currentOrderId);
// Update the order to reflect payment has been completed.
//myCurrentOrder.PaymentTransactionId = PaymentConfirmation;
// Save to DB.
//_db.SaveChanges();
}
// Clear shopping cart.
using (CampusCourier.Logic.ShoppingCartActions usersShoppingCart =
new CampusCourier.Logic.ShoppingCartActions())
{
usersShoppingCart.EmptyCart();
}
// Clear order id.
Session["currentOrderId"] = string.Empty;
}
else
{
Response.Redirect("CheckoutError.aspx?" + retMsg);
}
}
}
