public void TaxRatesServiceJSON(string zip, double exprate)
{
var expectedrate = (decimal)exprate;
// Test Calculator JSON
var taxcalc = new TaxCalculator.Taxjar.CalculatorAPI() as ITaxService;
var result = taxcalc.GetTaxRate(zip);
result.Wait();
var salestaxcalc = result.Result;
var diff = salestaxcalc - expectedrate;
Assert.IsTrue(Math.Abs(diff) < 0.01m);
// Test Calculator raw JSON
taxcalc = new TaxCalculator.Taxjar.CalculatorJSON() as ITaxService;
result = taxcalc.GetTaxRate(zip);
result.Wait();
var salestaxraw = result.Result;
diff = salestaxraw - expectedrate;
Assert.IsTrue(Math.Abs(diff) < 0.01m);
// pass raw json caculator and test as TaxService
var taxserv = new Services.TaxService(taxcalc);
result = taxserv.GetTaxRate(zip);
result.Wait();
var salestaxserv = result.Result;
diff = salestaxserv - expectedrate;
Assert.IsTrue(Math.Abs(diff) < 0.01m);
}
public HttpResponseMessage GetTaxRate([FromBody] GetTaxRateRequest request)
{
//Prepare the Response
var response = Request.CreateResponse();
string result = "";
Services.TaxService taxService;
try
{
//Define the TaxService class;
//TODO: At some other time, we should define what consumer is calling this function to decide on
//What to do with deciding on a Calculator to use
taxService = new Services.TaxService(new TaxJar_Calculator());
//Filter Inputs on the top; Assuming that any calculator would need this information.
if (request.ZipCode.IsEmpty())
{
throw new ArgumentException("Zip Code is Required", "ZipCode");
}
if (request.Country.IsEmpty() || request.Country.Length < 2)
{
throw new ArgumentException("Country Code requires two characters", "Country");
}
//Call TaxService to get the Calculator's TaxRate Function.
var objResult = taxService.GetTaxRate(request);
//Serialize the result to be sent over HTTP and return a 200
result = JsonConvert.SerializeObject(objResult);
response.StatusCode = HttpStatusCode.OK;
}
catch (ArgumentException ex)
{
//Return 400 level errors here if any are caught
if (ex.ParamName == "Country")
{
return(Request.CreateErrorResponse(HttpStatusCode.NotAcceptable, "Country code requires two characters"));
}
if (ex.ParamName == "ZipCode")
{
return(Request.CreateErrorResponse(HttpStatusCode.NotAcceptable, "Zip Code is Required"));
}
if (ex.ParamName == "US ZipCode")
{
return(Request.CreateErrorResponse(HttpStatusCode.NotAcceptable, "US Zip Code Must Be at least 3 characters long"));
}
if (ex.ParamName == "CA ZipCode")
{
return(Request.CreateErrorResponse(HttpStatusCode.NotAcceptable, "CA Zip Code Must Be 6 characters long"));
}
}
//Make sure the response is formatted properly to be sent over HTTP correctly.
response.Content = new StringContent(result, Encoding.UTF8, "application/json");
return(response);
}