public async Task<ActionResult> PaypalReturn()
{
string payerId = Request.Params["PayerID"];
var guid = Request.Params["guid"];
var success = Request.Params["Success"];
if (guid != null && success != null)
{
var isSuccess = Convert.ToBoolean(Request.QueryString["Success"]);
var transactionID = Session[guid] as string;
//If client buy succesful, process here
if (isSuccess)
{
var helper = new PaypalHelper();
APIContext apiContext = helper.GetGetAPIContext();
var paymentExecution = new PaymentExecution() { payer_id = payerId };
var payment = new Payment() { id = transactionID };
//We need to execute to submit paypal about client's transaction
//If we don't execute paypal, the transaction will be cancel, the buyer don't charge money
//--------------------------------------------------------------
try
{
var executedPayment = payment.Execute(apiContext, paymentExecution);
if (executedPayment.state.ToLower() != "approved")
{
//Save information of transaction into Database
//when executedPayment is not approved
//---------------------------------------------
var transactionId = Session["transactionId"];
var goEatApi = GoEatApi.Instance;
// goEatApi.UpdateMainTransactionStatus(Int32.Parse(transactionId.ToString()), ConstantValues.S_CANCELLED);
return View("PaypalFailure");
}
else
{
//Save information of transaction into Database
//State of transaction is approved
//---------------------------------------------
var goEatApi = GoEatApi.Instance;
var transactionId = Session["transactionId"];
var confirmTransactionResult = goEatApi.GetConfirmTokenTransactionById(Int32.Parse(transactionId.ToString()));
if (confirmTransactionResult.Succeeded)
{
if (confirmTransactionResult.Succeeded)
{
goEatApi.FinishPaypalFinalTransaction(
confirmTransactionResult.Data.paypal_payment_id,
confirmTransactionResult.Data.id,
confirmTransactionResult.Data.customer_id,
confirmTransactionResult.Data.token_amount);
var model = new PaypalSuccess() { amount = confirmTransactionResult.Data.token_amount };
var customer = goEatApi.GetUserById(confirmTransactionResult.Data.customer_id);
//create api recording
await goEatApi.RecordTokenTransaction(new GRecordTokenTransaction
{
username = customer.Data.Profile.account,
order_id = confirmTransactionResult.Data.paypal_payment_id,
gtoken_transaction_id = string.Empty,
token_type = ConstantValues.S_SUGAR_TOKEN,
transaction_type = ConstantValues.S_TRANSACTION_TYPE_CONSUMPTION,
amount = confirmTransactionResult.Data.token_amount,
description = ConstantValues.S_DESCRIPTION_TOPUP_TOKEN
});
return View("PaypalSuccess", model);
}
}
}
}
catch
{
return View("PaypalFailure");
}
}
//If client cancel, process here
else
{
//Save information of transaction into Database
//When client cancel, Use transactionID to trace
//---------------------------------------------
var transactionId = Session["transactionId"];
var goEatApi = GoEatApi.Instance;
//goEatApi.UpdateMainTransactionStatus(Int32.Parse(transactionId.ToString()), ConstantValues.S_CANCELLED);
return RedirectToAction("buytoken");
}
}
//All params is not valid, return valid view here
return View("PaypalFailure");
}
public ActionResult Paypal(TransactionPayPal modal)
{
var transactionDesc = "Transaction description.";
//var invoiceNumber = "007"; //This is option. The invoiceNumber is unique which generated from our server
var api = GoEat.Core.GoEatApi.Instance;
var package = api.GetTokenPackageBySKU(modal.sku);
if (!package.Succeeded)
{
return View("buytoken");
}
string skuItem = package.Data.sku;
string nameItem = package.Data.name;
decimal priceItem = package.Data.price;
string currency = package.Data.currency.Trim();
int quantityItem = 1;
decimal totalAmout = priceItem * quantityItem;
var helper = new PaypalHelper();
var guid = Guid.NewGuid();
var basePaypalReturn = GetPaypalReturn(guid.ToString());
var returnUrl = basePaypalReturn + "&Success=True";
var cancelUrl = basePaypalReturn + "&Success=False";
var itemList = new List<Item>();
var item = helper.CreateItem(nameItem, currency, priceItem, quantityItem, skuItem);
itemList.Add(item);
var amount = helper.CreateAmount(currency, totalAmout);
var redirectUrls = helper.CreateRedirectUrls(returnUrl, cancelUrl);
var transactionList = new List<PayPal.Api.Transaction>();
var transaction = helper.CreateTransaction(transactionDesc, amount, itemList);
transactionList.Add(transaction);
try
{
var createdPayment = helper.CreatePayment(helper.GetGetAPIContext(), transactionList, redirectUrls);
var links = createdPayment.links.GetEnumerator();
string paypalRedirectUrl = null;
while (links.MoveNext())
{
Links lnk = links.Current;
if (lnk.rel.ToLower().Trim().Equals("approval_url"))
{
//saving the payapalredirect URL to which user will be redirected for payment
paypalRedirectUrl = lnk.href;
//Save information of transaction into Database
//State of transaction is pending
//---------------------------------------------
var transactionId = api.CreatePaypalPendingTransaction(CreatePaypalTransactionEntity(package.Data, createdPayment), totalAmout, CurrentUser.Id, Urls.GetRestaurantId());
Session.Add("transactionId", transactionId);
}
}
// saving the paymentID in the key guid
Session.Add(guid.ToString(), createdPayment.id);
return Redirect(paypalRedirectUrl);
}
catch (Exception ex)
{
throw ex;
}
}
