public static string CreateRegisterTeamRequest(string teamName)
{
var message = new Message();
message.AddSegment(CommandDirectiveElement, RegisterTeamElement, "", "");
message.AddSegment(InfoDirectiveElement, teamName,"","");
return HL7Utility.Serialize(message);
}
public static Message Deserialize(string message)
{
if (message == null) { throw new ArgumentNullException(); }
if (message == "") { throw new ArgumentException("Message cannot be empty."); }
if (!message.StartsWith(HL7Utility.BeginOfMessage.ToString())) { throw new ArgumentException("Message not in valid format. Begin of message char '" + HL7Utility.BeginOfMessage.ToString() + "' not found."); }
if (!message.EndsWith(HL7Utility.EndOfMessage.ToString())) { throw new ArgumentException("Message not in valid format. End of message char '" + HL7Utility.EndOfMessage.ToString() + "' not found."); }
// Get rid of BeginOfMessage and EndOfMessage chars because they are just used by us to be able to parse out the message.
message = message.Substring(1, message.Length - 3); // -1 (since we are sub-stringing from 1) + -1 (since we do not want to grab last char) = -2.
// Now we are only left with segments of the message that are separated by EndOfSegment chars.
var segments = message.Split(HL7Utility.EndOfSegment).ToList<string>();
// usually as a side-effect of the Split we end up with extra element that is an empty string.
if (segments[segments.Count - 1] == "") { segments.RemoveAt(segments.Count - 1); }
if (segments == null || segments.Count() == 0)
{
throw new ArgumentException("Message has to contain at least 1 segment.");
}
// remove last if it is empty.
var deserializedMessage = new Message() { Segments = new List<Segment>()};
try
{
foreach (var segment in segments)
{
var segmetnElements = HL7Utility.ParseSegment(segment);
deserializedMessage.Segments.Add(new Segment() { Elements = segmetnElements });
}
}
catch (Exception ex)
{
throw new Exception("Segment not in valid format. Check inner exception for details.", ex);
}
return deserializedMessage;
}
public static string CreateRegisterServiceRequest()
{
var message = new Message();
// DRC|PUB-SERVICE|<team name>|<teamID>|
message.AddSegment(CommandDirectiveElement, PublishServiceElement, _settings.TeamName, _teamId);
// SRV|<tag name>|<service name>|<security level>|<num args>|<num responses>|<description>|
message.AddSegment(ServiceDirectiveElement, _settings.ServiceTagName, _settings.ServiceName, _settings.ServiceSecurityLevel, "2", "5", _settings.ServiceDescription);
// ARG|<arg position>|<arg name>|<arg data type>|[mandatory | optional]||
message.AddSegment(ArgumentDirectiveElement, "1", "province", "string", "mandatory","");
// ARG|<arg position>|<arg name>|<arg data type>|[mandatory | optional]||
message.AddSegment(ArgumentDirectiveElement, "2", "amount", "double", "mandatory","");
// RSP|<resp position>|<resp name>|<resp data type>||
message.AddSegment(ResponseDirectiveElement, "1", "NetAmount", "double", "");
// RSP|<resp position>|<resp name>|<resp data type>||
message.AddSegment(ResponseDirectiveElement, "2", "PstAmount", "double", "");
// RSP|<resp position>|<resp name>|<resp data type>||
message.AddSegment(ResponseDirectiveElement, "3", "HstAmount", "double", "");
// RSP|<resp position>|<resp name>|<resp data type>||
message.AddSegment(ResponseDirectiveElement, "4", "GstAmount", "double", "");
// RSP|<resp position>|<resp name>|<resp data type>||
message.AddSegment(ResponseDirectiveElement, "5", "TotalAmount", "double", "");
// MCH|<published server IP>|<published port>|
message.AddSegment(MCHDirectiveElement, _settings.ServicePublishIp, _settings.ServicePublishPort.ToString());
return HL7Utility.Serialize(message);
}
public static string CreateValidateTeamRequest(string teamName, string teamId)
{
var message = new Message();
// DRC|QUERY-TEAM|<team name>|<teamID>|
message.AddSegment(CommandDirectiveElement, QueryTeamElement, _settings.TeamName, _teamId);
// INF|<team name>|<teamID>|<service tag name>|
message.AddSegment(InfoDirectiveElement, teamName, teamId, _settings.ServiceTagName);
return HL7Utility.Serialize(message);
}
public static string Serialize(Message message)
{
StringBuilder serializedMessage = new StringBuilder();
serializedMessage.Append(BeginOfMessage);
foreach (var segment in message.Segments)
{
serializedMessage.Append(CreateSegment(segment.Elements));
}
serializedMessage.Append(EndOfMessage);
return serializedMessage.ToString();
}
protected void submitButton_Click(object sender, EventArgs e)
{
Message msg = new Message();
string request = "";
string response = "";
int idVerification = 0;
try
{
// DRC|QUERY-SERVICE|<team name>|<team ID>|
msg.AddSegment(CommandDirectiveElement, QueryServiceElement, nameTextBox.Text, idTextBox.Text);
// SRV|GIORP-TOTAL||||||
msg.AddSegment(ServiceDirectiveElement, "GIORP-TOTAL", "", "", "", "", "");
//Serialize the message
request = HL7Utility.Serialize(msg);
//Send the request
response = ServiceClient.SendRequest(request, "10.113.21.139", 3128);
//Deserialize the response
msg = HL7Utility.Deserialize(response.TrimEnd('\n'));
if (msg.Segments[0].Elements[1] == SOAOkElement)
{
errorServiceDiv.Visible = false;
noServiceDiv.Visible = false;
// double check if the idTextBox value is valid
if (Int32.TryParse(idTextBox.Text, out idVerification) == false)
{
throw new Exception("Team ID was invalid");
}
// load up the session variables
Session["TeamName"] = nameTextBox.Text;
Session["TeamID"] = idTextBox.Text;
Session["ServiceTeamName"] = msg.Segments[1].Elements[1];
Session["ServiceName"] = msg.Segments[1].Elements[2];
Session["NumArgs"] = msg.Segments[1].Elements[4];
Session["ServiceDescription"] = msg.Segments[1].Elements[6];
Session["ArgName1"] = GetArgument(1, msg)[0];
Session["ArgDataType1"] = GetArgument(1, msg)[1];
Session["ArgName2"] = GetArgument(2, msg)[0];
Session["ArgDataType2"] = GetArgument(2, msg)[1];
Session["IPAddress"] = GetIPAddress(msg);
Session["portNumber"] = GetPortNumber(msg);
// transfer to the next page
Server.Transfer("default.aspx", true);
}
else if (msg.Segments[0].Elements[1] == SOANotOkElement)
{
ErrorMessageID.InnerText = msg.Segments[0].Elements[3];
errorServiceDiv.Visible = true;
noServiceDiv.Visible = false;
}
else
{
errorServiceDiv.Visible = false;
noServiceDiv.Visible = true;
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
}
}
int GetPortNumber(Message msg)
{
int result = 0;
int segPos = 0;
//Search the segments
foreach (Segment seg in msg.Segments)
{
foreach (string s in seg.Elements)
{
if (s.Contains("MCH"))
{
Int32.TryParse(msg.Segments[segPos].Elements[2], out result);
}
}
++segPos;
}
return result;
}
string GetIPAddress(Message msg)
{
string result = "";
int segPos = 0;
//Search the segments
foreach (Segment seg in msg.Segments)
{
foreach (string s in seg.Elements)
{
if (s.Contains("MCH"))
{
result = msg.Segments[segPos].Elements[1];
}
}
++segPos;
}
return result;
}
List<string> GetArgument(int argumentPos, Message msg)
{
List<string> result = new List<string>();
int segPos = 0;
bool pass = true;
//Search the segments
foreach (Segment seg in msg.Segments)
{
foreach (string s in seg.Elements)
{
if (s.Contains("ARG"))
{
if (seg.Elements[4].Contains("mandatory"))
{
if (argumentPos == 1)
{
result.Add(msg.Segments[segPos].Elements[2]);
result.Add(msg.Segments[segPos].Elements[3]);
break;
}
else if (argumentPos == 2)
{
if (pass)
{
pass = false;
}
else
{
result.Add(msg.Segments[segPos].Elements[2]);
result.Add(msg.Segments[segPos].Elements[3]);
break;
}
}
}
}
}
++segPos;
}
return result;
}
protected void submitButton_Click(object sender, EventArgs e)
{
string province;
double amount = 0;
string request = "";
string response = "";
TaxSummary taxes = new GIORP_TOTAL.Models.TaxSummary();
Message msg = new Message();
province = provinceList.SelectedValue;
double.TryParse(priceBox.Text, out amount);
try
{
Regex priceRegex = new Regex(amountPattern);
if (!priceRegex.IsMatch(amount.ToString()))
{
throw new Exception("The amount value was invalid");
}
// DRC|EXEC-SERVICE|PhantomPower|0|
msg.AddSegment(CommandDirectiveElement, ExecuteServiceElement, teamName, teamID);
// SRV||PP-GIORP-TOTAL||2|||
msg.AddSegment(ServiceDirectiveElement, "", serviceName, "", numArgs, "", "");
// ARG|1|province|string||PROVINCE CODE|
if (argDataType1.IndexOf("string", 0, StringComparison.CurrentCultureIgnoreCase) != -1)
{
msg.AddSegment(ArgumentDirectiveElement, "1", argName1, argDataType1, "", province);
}
else
{
msg.AddSegment(ArgumentDirectiveElement, "1", argName1, argDataType1, "", amount.ToString());
}
// ARG|2|amount|double||AMOUNT|
if (argDataType2.IndexOf("double", 0, StringComparison.CurrentCultureIgnoreCase) != -1 ||
argDataType2.IndexOf("float", 0, StringComparison.CurrentCultureIgnoreCase) != -1)
{
msg.AddSegment(ArgumentDirectiveElement, "2", argName2, argDataType2, "", amount.ToString());
}
else
{
msg.AddSegment(ArgumentDirectiveElement, "2", argName2, argDataType2, "", province);
}
//Serialize the message
request = HL7Utility.Serialize(msg);
//Send the request
response = ServiceClient.SendRequest(request, IP, port);
//Deserialize the response
msg = HL7Utility.Deserialize(response);
if (msg.Segments[0].Elements[1] == SOAOkElement)
{
taxes = null; //MessageToTaxSummary(msg);
response1.Text = msg.Segments[1].Elements[2] + ": " + msg.Segments[1].Elements[4];
response2.Text = msg.Segments[2].Elements[2] + ": " + msg.Segments[2].Elements[4];
response3.Text = msg.Segments[3].Elements[2] + ": " + msg.Segments[3].Elements[4];
response4.Text = msg.Segments[4].Elements[2] + ": " + msg.Segments[4].Elements[4];
response5.Text = msg.Segments[5].Elements[2] + ": " + msg.Segments[5].Elements[4];
// show the results div with the results
results.Visible = true;
alertDiv.Visible = false;
}
else if(msg.Segments[0].Elements[1] == SOANotOkElement)
{
taxes = null;
alert.Text = msg.Segments[0].Elements[3];
alertDiv.Visible = true;
results.Visible = false;
}
}
catch (Exception ex)
{
alert.Text = ex.Message;
Logger.logException(ex);
}
//if (taxes != null)
//{
// // fill in the labels with the responses
// try
// {
// // go through each segment and get the second element (name of field) and forth element (value)
// response1.Text = msg.Segments[1].Elements[2] + ": " + msg.Segments[1].Elements[4];
// response2.Text = msg.Segments[2].Elements[2] + ": " + msg.Segments[2].Elements[4];
// response3.Text = msg.Segments[3].Elements[2] + ": " + msg.Segments[3].Elements[4];
// response4.Text = msg.Segments[4].Elements[2] + ": " + msg.Segments[4].Elements[4];
// response5.Text = msg.Segments[5].Elements[2] + ": " + msg.Segments[5].Elements[4];
// }
// catch (Exception ex)
// {
// alert.Text = ex.Message;
// Logger.logException(ex);
// }
// // format the table
// //subtotalAmount.Text = taxes.NetAmount.ToString("C2");
// //pstAmount.Text = taxes.PstAmount.ToString("C2");
// //hstAmount.Text = taxes.HstAmount.ToString("C2");
// //gstAmount.Text = taxes.GstAmount.ToString("C2");
// //totalPurchaseAmount.Text = taxes.TotalAmount.ToString("C2");
// // show the results div with the results
// results.Visible = true;
// alertDiv.Visible = false;
//}
//else
//{
// alertDiv.Visible = true;
// results.Visible = false;
//}
}
private static TaxSummary MessageToTaxSummary(Message msg)
{
TaxSummary ts = new TaxSummary();
double temp = 0.0;
//For sanity...
//If its ok to parse...
if (msg != null)
{
if (msg.Segments[0].Elements[1] == SOAOkElement)
{
if (msg.Segments[1].Elements[2].Equals("NetAmount") &&
msg.Segments[2].Elements[2].Equals("PstAmount") &&
msg.Segments[3].Elements[2].Equals("HstAmount") &&
msg.Segments[4].Elements[2].Equals("GstAmount") &&
msg.Segments[5].Elements[2].Equals("TotalAmount"))
{
double.TryParse(msg.Segments[1].Elements[4], out temp);
ts.NetAmount = temp;
double.TryParse(msg.Segments[2].Elements[4], out temp);
ts.PstAmount = temp;
double.TryParse(msg.Segments[3].Elements[4], out temp);
ts.HstAmount = temp;
double.TryParse(msg.Segments[4].Elements[4], out temp);
ts.GstAmount = temp;
double.TryParse(msg.Segments[5].Elements[4], out temp);
ts.TotalAmount = temp;
}
}
}
return ts;
}
static string HandleRequest(string request)
{
Message requestMessage = null;
try
{
requestMessage = HL7Utility.Deserialize(request);
}
catch (Exception ex)
{
Console.WriteLine("Exception: " + ex.Message);
Logger.logException(ex);
}
if (requestMessage != null)
{
// Check if incoming request is in valid format.
if (requestMessage.Segments != null &&
requestMessage.Segments.Count == 4 && // DRC, SRV, ARG, ARG = 4
requestMessage.Segments[0].Elements != null && // DRC|EXEC-SERVICE|<team name>|<teamID>|
requestMessage.Segments[0].Elements.Count == 4 &&
requestMessage.Segments[0].Elements[0] == CommandDirectiveElement &&
requestMessage.Segments[0].Elements[1] == ExecuteServiceElement &&
requestMessage.Segments[1].Elements != null && // SRV||<service name>||<num args>|||
requestMessage.Segments[1].Elements.Count == 7 &&
requestMessage.Segments[1].Elements[0] == ServiceDirectiveElement &&
requestMessage.Segments[1].Elements[1] == "" &&
requestMessage.Segments[1].Elements[3] == "" &&
requestMessage.Segments[1].Elements[5] == "" &&
requestMessage.Segments[1].Elements[6] == "" &&
requestMessage.Segments[2].Elements != null && // ARG|<arg position>|<arg name>|<arg data type>||<arg value>|
requestMessage.Segments[2].Elements.Count == 6 &&
requestMessage.Segments[2].Elements[0] == ArgumentDirectiveElement &&
requestMessage.Segments[2].Elements[2] == "province" &&
requestMessage.Segments[2].Elements[3] == "string" &&
requestMessage.Segments[3].Elements != null && // ARG|<arg position>|<arg name>|<arg data type>||<arg value>|
requestMessage.Segments[3].Elements.Count == 6 &&
requestMessage.Segments[3].Elements[0] == ArgumentDirectiveElement &&
requestMessage.Segments[3].Elements[2] == "amount" &&
requestMessage.Segments[3].Elements[3] == "double")
{
// Now we parse out the team requesting to execute.
var teamName = requestMessage.Segments[0].Elements[2];
var teamId = requestMessage.Segments[0].Elements[3];
if (ValidateTeam(teamName, teamId))
{
// Now we parse out the arguments province and amount
string provinceArg = requestMessage.Segments[2].Elements[5];
double amountArg = 0;
if (double.TryParse(requestMessage.Segments[3].Elements[5], out amountArg))
{
Models.TaxSummary taxSummary = null;
try
{
taxSummary = _taxCalculator.CalculateTax(provinceArg, amountArg);
}
catch (ArgumentException ae)
{
Logger.logException(ae);
var errorResponseMessage = new Message();
errorResponseMessage.AddSegment(PublishedServiceDirectiveElement, SOANotOkElement, "Arguments not valid.", ae.Message);
return HL7Utility.Serialize(errorResponseMessage);
}
catch (Exception ex)
{
Logger.logException(ex);
var errorResponseMessage = new Message();
errorResponseMessage.AddSegment(PublishedServiceDirectiveElement, SOANotOkElement, "There was a problem with calculating the tax summary.", "");
return HL7Utility.Serialize(errorResponseMessage);
}
if (taxSummary != null)
{
// SUCCESS //
var responseMessage = new Message();
// PUB|OK|||<num segments>|
responseMessage.AddSegment(PublishedServiceDirectiveElement, SOAOkElement, "", "", "5");
// RSP|<resp position>|<resp name>|<resp data type>|<resp value>|
responseMessage.AddSegment(ResponseDirectiveElement, "1", "NetAmount", "double", taxSummary.NetAmount.ToString());
// RSP|<resp position>|<resp name>|<resp data type>|<resp value>|
responseMessage.AddSegment(ResponseDirectiveElement, "2", "PstAmount", "double", taxSummary.PstAmount.ToString());
// RSP|<resp position>|<resp name>|<resp data type>|<resp value>|
responseMessage.AddSegment(ResponseDirectiveElement, "3", "HstAmount", "double", taxSummary.HstAmount.ToString());
// RSP|<resp position>|<resp name>|<resp data type>|<resp value>|
responseMessage.AddSegment(ResponseDirectiveElement, "4", "GstAmount", "double", taxSummary.GstAmount.ToString());
// RSP|<resp position>|<resp name>|<resp data type>|<resp value>|
responseMessage.AddSegment(ResponseDirectiveElement, "5", "TotalAmount", "double", taxSummary.TotalAmount.ToString());
return HL7Utility.Serialize(responseMessage);
}
else
{
var errorResponseMessage = new Message();
errorResponseMessage.AddSegment(PublishedServiceDirectiveElement, SOANotOkElement, "There was a problem with calculating the tax summary.", "");
return HL7Utility.Serialize(errorResponseMessage);
}
}
else
{
var errorResponseMessage = new Message();
errorResponseMessage.AddSegment(PublishedServiceDirectiveElement, SOANotOkElement, "Could not parse amount argument.", "Make sure that amount argument is of type double.");
return HL7Utility.Serialize(errorResponseMessage);
}
}
else
{
var errorResponseMessage = new Message();
errorResponseMessage.AddSegment(PublishedServiceDirectiveElement, SOANotOkElement, "Assess denied.", string.Format("Team {0} with ID {1} is not allowed to execute the service.", teamName, teamId));
return HL7Utility.Serialize(errorResponseMessage);
}
}
else
{
var errorResponseMessage = new Message();
errorResponseMessage.AddSegment(PublishedServiceDirectiveElement, SOANotOkElement, "Request not in valid format.", "Make sure that you comply to SOA Registry message format.");
return HL7Utility.Serialize(errorResponseMessage);
}
}
else
{
var errorResponseMessage = new Message();
errorResponseMessage.AddSegment(PublishedServiceDirectiveElement, SOANotOkElement, "There was a problem with calculating the tax summary.", "");
return HL7Utility.Serialize(errorResponseMessage);
}
}
