/// <summary>
/// Calls the HMRC Gateway web-service to retrieve the current status of the
/// VAT Submission supplied in the Document Record, and returns an XML string
/// of the results.
/// </summary>
/// <param name="record"></param>
/// <returns></returns>
private string RetrieveHMRCResponse(DocumentRecord record)
{
VAT100_Poll pollMessage = new VAT100_Poll();
pollMessage.Header.MessageDetails.Class = record.docClass;
pollMessage.Header.MessageDetails.CorrelationID = record.theDocument.correlationID;
string pollMsg;
// Serialize the message to a string
XmlSerializer xmlSerializer = new XmlSerializer(pollMessage.GetType());
//SS:04/06/2018:2018-R1:ABSEXCH-20538:VAT 100 Submissions failing due to HMRC gateway changes
using (Utf8StringWriter textWriter = new Utf8StringWriter())
{
xmlSerializer.Serialize(textWriter, pollMessage);
pollMsg = textWriter.ToString();
}
// Submit the resulting XML to HMRC
// Create a request
var request = (HttpWebRequest)WebRequest.Create(FPendingDocument.theDocument.PollingURL);
var data = Encoding.ASCII.GetBytes(pollMsg);
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = data.Length;
// Write the data to the request parameters
using (var stream = request.GetRequestStream())
{
stream.Write(data, 0, data.Length);
}
// Send the request and get the response.
var response = (HttpWebResponse)request.GetResponse();
// Get the response in a stream.
var responseData = new StreamReader(response.GetResponseStream()).ReadToEnd();
// Convert the stream to a string
string responseXML = responseData.ToString();
return(responseXML);
}
private void btnPoll_Click(object sender, EventArgs e)
{
DocumentRecord record = new DocumentRecord();
btnPoll.Enabled = false;
btnDelete.Enabled = false;
pollTimer.Enabled = true;
VAT100_Poll pollMessage = new VAT100_Poll();
pollMessage.Header.MessageDetails.Class = "HMRC-VAT-DEC";
pollMessage.Header.MessageDetails.CorrelationID = editCorrelationID.Text;
string pollMsg;
// Serialize the message to a string
XmlSerializer xmlSerializer = new XmlSerializer(pollMessage.GetType());
//SS:04/06/2018:2018-R1:ABSEXCH-20538:VAT 100 Submissions failing due to HMRC gateway changes
using (Utf8StringWriter textWriter = new Utf8StringWriter())
{
xmlSerializer.Serialize(textWriter, pollMessage);
pollMsg = textWriter.ToString();
}
// Submit the resulting XML to HMRC
// Create a request
var request = (HttpWebRequest)WebRequest.Create(comboTargetURL.Text /* + @"\poll" */);
var data = Encoding.ASCII.GetBytes(pollMsg);
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = data.Length;
// Write the data to the request parameters
using (var stream = request.GetRequestStream())
{
stream.Write(data, 0, data.Length);
}
// Send the request and get the response.
WebResponse response = null;
try
{
response = (HttpWebResponse)request.GetResponse();
}
catch (Exception ex)
{
textNarrative.AppendText("Error submitting Poll request\r\n" + ex.Message);
return;
}
// Get the response in a stream.
var responseData = new StreamReader(response.GetResponseStream()).ReadToEnd();
// Convert the stream to a string
string responseXML = responseData.ToString();
HandleHMRCResponse(responseXML);
}