private void setupPayment()
{
try
{
string accessKey = ConfigurationManager.AppSettings["accesskey"];
string secretKey = ConfigurationManager.AppSettings["secretkey"];
string environment = ConfigurationManager.AppSettings["environment"];
layerAPI = new clsLayer(accessKey, secretKey, environment);
data = new clsPaymentData();
data.amount = Convert.ToDecimal(ConfigurationManager.AppSettings["sampleDataAmount"]);
data.currency = ConfigurationManager.AppSettings["sampleDataCurrency"].ToString();
data.name = ConfigurationManager.AppSettings["sampleDataName"].ToString();
data.contact_number = ConfigurationManager.AppSettings["sampleDataContactNumber"].ToString();
data.email_id = ConfigurationManager.AppSettings["sampleDataEmail"].ToString();
data.mtx = DateTime.Now.ToString("yyyyMMdd") + "-" + new Random().Next(1000, 9999).ToString();
JObject jObject = new JObject();
JObject jObjectToken = new JObject();
//create payment token
var result = layerAPI.CreatePaymentToken(data);
jObject = JsonConvert.DeserializeObject <JObject>(result);
string errMessage = "";
if (jObject["error"] != null)
{
errMessage = "E55 Payment error. " + jObject.GetValue("error").ToString();
//add code for error list
if (jObject["error_data"] != null)
{
foreach (JProperty p in jObject["error_data"])
{
string e = p.Value.ToString().Replace("\r", "").Replace("\n", "").Replace("[", "").Replace("]", "").Trim();
errMessage += " " + e;
}
}
}
if (errMessage == "" && jObject["id"] != null && jObject.GetValue("id").ToString() == "")
{
errMessage = "Payment error. Layer token ID cannot be empty.";
}
if (errMessage == "")
{
//check that the payment is setup correctly and has not been pad
var resultToken = layerAPI.GetPaymentToken(jObject.GetValue("id").ToString());
jObjectToken = JsonConvert.DeserializeObject <JObject>(result);
if (jObjectToken["error"] != null)
{
errMessage = "E56 Payment error. " + jObjectToken.GetValue("error").ToString();
//add code for error list
}
if (errMessage == "" && jObjectToken["status"] != null && jObject.GetValue("status").ToString() == "paid")
{
errMessage = "Layer: this order has already been paid.";
}
if (errMessage == "" && jObjectToken["amount"] != null &&
Convert.ToDecimal(jObjectToken.GetValue("amount")) != Convert.ToDecimal(jObject.GetValue("amount")))
{
errMessage = "Layer: an amount mismatch occurred";
}
}
if (errMessage.Length > 0)
{
lblError.Text = errMessage;
return;
}
//setup hidden values
string paymentTokenId = jObjectToken.GetValue("id").ToString();
string amount = (Convert.ToDecimal(jObjectToken.GetValue("amount"))).ToString("#0.00");
//create hash
string hashValue = layerAPI.CreateHash(paymentTokenId,
Convert.ToDecimal(jObjectToken.GetValue("amount")), data.mtx);
layer_pay_token_id.Value = paymentTokenId;
tranid.Value = data.mtx;
layer_order_amount.Value = amount;
layer_payment_id.Value = "";
fallback_url.Value = "";
hash.Value = hashValue;
key.Value = layerAPI.accessKey;
}
catch (Exception ex)
{
lblError.Text = "Error: " + ex.Message;
}
}
private string verifyPayment()
{
try
{
string accessKey = ConfigurationManager.AppSettings["accesskey"];
string secretKey = ConfigurationManager.AppSettings["secretkey"];
string environment = ConfigurationManager.AppSettings["environment"];
layerAPI = new clsLayer(accessKey, secretKey, environment);
string status = "";
string paymentId = Request.Params["layer_payment_id"];
if (string.IsNullOrEmpty(paymentId))
{
status = "Invalid response.";
}
decimal amount = 0;
if (status == "" && decimal.TryParse(Request.Params["layer_order_amount"], out amount) == false)
{
status = "Invalid response.";
}
string transactionId = Request.Params["tranid"];
if (status == "" && string.IsNullOrEmpty(transactionId))
{
status = "Invalid response.";
}
string paymentTokenId = Request.Params["layer_pay_token_id"];
if (status == "" && string.IsNullOrEmpty(transactionId))
{
status = "Invalid response.";
}
//calculate and compare hash
string hashValue = layerAPI.CreateHash(paymentTokenId, amount, transactionId);
if (status == "" && hashValue != Request.Params["hash"])
{
status = "Invalid hash";
}
if (status == "")
{
var result = layerAPI.GetPaymentDetails(paymentId);
JObject jObject = JsonConvert.DeserializeObject <JObject>(result);
if (jObject["error"] != null)
{
status = "Layer: an error occurred E14" + jObject.GetValue("error").ToString();
}
if (status == "" && (jObject["id"] == null || jObject.GetValue("id").ToString() == ""))
{
status = "Invalid payment data received E98";
}
if (status == "" && jObject["payment_token"]["id"].ToString() != paymentTokenId)
{
status = "Layer: received layer_pay_token_id and collected layer_pay_token_id doesnt match";
}
if (status == "" && Convert.ToDecimal(jObject.GetValue("amount")) != amount)
{
status = "Layer: received amount and collected amount doesnt match";
}
if (status == "")
{
string id = jObject.GetValue("id").ToString();
switch (jObject.GetValue("status").ToString())
{
case "authorized":
case "captured":
status = "Payment captured: Payment ID " + id;
break;
case "failed":
case "cancelled":
status = "Payment cancelled/failed: Payment ID " + id;
break;
default:
status = "Payment pending: Payment ID " + id;
break;
}
}
}
return(status);
}
catch (Exception ex)
{
return("Error: " + ex.Message);
}
}
