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));
}
}
/// <summary>
/// This method calculates all taxes for each region
/// </summary>
/// <param name="region">code of the province in the format of "ON"</param>
/// <param name="amount">the value to calculate taxes on</param>
/// <returns>an TaxSummary objec, which contains the NetAmount, PST, HST, GST and total after taxes</returns>
private Models.TaxSummary CalculateTaxByRegion(string region, double amount)
{
string codePattern = @"^(NL|NS|NB|PE|QC|ON|MB|SK|AB|BC|YT|NT|NU)$";
Regex rg = new Regex(codePattern, RegexOptions.IgnoreCase);
Match mch = rg.Match(region);
if(!mch.Success)
{
throw new ArgumentException("The region code is not in a valid format, Format should be NL|NS|NB|PE|QC|ON|MB|SK|AB|BC|YT|NT|NU");
}
if (amount < 0)
{
throw new ArgumentException("The amount cannot be negative.");
}
#region method Initializers
TaxSummary ts = new TaxSummary();
ts.NetAmount = amount;
string getRegionName = ChooseRegion(region);
string taxType = GetSaleTaxByRegion(region);
string pst = string.Empty;
string gst = string.Empty;
const double qcPstTaxRate = 9.5d;
//get tax type pst and gst to be applied where available
if (taxType.Contains('-'))
{
pst = GetPst(taxType);
gst = GetGst(taxType);
}
#endregion
#region Hst
//calculates HST tax for regions that have this tax
if (taxType.Equals("HST"))
{
switch (region.ToUpper())
{
case "NL":
ts.HstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.HSTRates.HSTMedium));
ts.TotalAmount = CalculateTax(ConvertToPercent((double)Enums.HSTRates.HSTMedium), amount);
break;
case "NS":
ts.HstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.HSTRates.HSTHigh));
ts.TotalAmount = CalculateTax(ConvertToPercent((double)Enums.HSTRates.HSTHigh), amount);
break;
case "NB":
ts.HstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.HSTRates.HSTMedium));
ts.TotalAmount = CalculateTax(ConvertToPercent((double)Enums.HSTRates.HSTMedium), amount);
break;
case "ON":
ts.HstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.HSTRates.HSTMedium));
ts.TotalAmount = CalculateTax(ConvertToPercent((double)Enums.HSTRates.HSTMedium), amount);
break;
case "BC":
ts.HstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.HSTRates.HSTLow));
ts.TotalAmount = CalculateTax(ConvertToPercent((double)Enums.HSTRates.HSTLow), amount);
break;
default:
break;
}
}
#endregion
#region Pst-Gst
//calculates the PST and GST for the regions that have these types of taxes
if (taxType.Equals("PST-GST"))
{
switch (region.ToUpper())
{
case "PE":
ts.GstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.GSTRate.GSTRate));
ts.PstAmount = CalculateTaxAmount(CalculateTax(ConvertToPercent((double)Enums.GSTRate.GSTRate), amount), ConvertToPercent((double)Enums.PSTRates.PSTHigh));
ts.TotalAmount = CalculateTax(ConvertToPercent((double)Enums.PSTRates.PSTHigh), CalculateTax(ConvertToPercent((double)Enums.GSTRate.GSTRate), amount));
break;
case "QC":
ts.GstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.GSTRate.GSTRate));
ts.PstAmount = CalculateTaxAmount(CalculateTax(ConvertToPercent((double)Enums.GSTRate.GSTRate), amount), ConvertToPercent(qcPstTaxRate));
ts.TotalAmount = CalculateTax(ConvertToPercent(qcPstTaxRate), CalculateTax(ConvertToPercent((double)Enums.GSTRate.GSTRate), amount));
break;
case "MB":
ts.GstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.GSTRate.GSTRate));
ts.PstAmount = Math.Round(CalculateTaxAmount(amount, ConvertToPercent((double)Enums.PSTRates.PSTMedium)), 2);
ts.TotalAmount = CalculateTax((ConvertToPercent((double)Enums.GSTRate.GSTRate) + ConvertToPercent((double)Enums.PSTRates.PSTMedium)), amount);
break;
case "SK":
ts.GstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.GSTRate.GSTRate));
ts.PstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.PSTRates.PSTLow));
ts.TotalAmount = CalculateTax((ConvertToPercent((double)Enums.GSTRate.GSTRate) + ConvertToPercent((double)Enums.PSTRates.PSTLow)), amount);
break;
case "AB":
ts.GstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.GSTRate.GSTRate));
ts.PstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.PSTRates.PSTZero));
ts.TotalAmount = CalculateTax((ConvertToPercent((double)Enums.GSTRate.GSTRate) + ConvertToPercent((double)Enums.PSTRates.PSTZero)), amount);
break;
case "YT":
ts.GstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.GSTRate.GSTRate));
ts.PstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.PSTRates.PSTZero));
ts.TotalAmount = CalculateTax((ConvertToPercent((double)Enums.GSTRate.GSTRate) + ConvertToPercent((double)Enums.PSTRates.PSTZero)), amount);
break;
case "NT":
ts.GstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.GSTRate.GSTRate));
ts.PstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.PSTRates.PSTZero));
ts.TotalAmount = CalculateTax((ConvertToPercent((double)Enums.GSTRate.GSTRate) + ConvertToPercent((double)Enums.PSTRates.PSTZero)), amount);
break;
case "NU":
ts.GstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.GSTRate.GSTRate));
ts.PstAmount = CalculateTaxAmount(amount, ConvertToPercent((double)Enums.PSTRates.PSTZero));
ts.TotalAmount = CalculateTax((ConvertToPercent((double)Enums.GSTRate.GSTRate) + ConvertToPercent((double)Enums.PSTRates.PSTZero)), amount);
break;
default:
break;
}
}
return ts;
#endregion
}
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;
}
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;
//}
}
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;
//}
}