public static async Task <IActionResult> Run( [HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequest req, [Inject] ISubmissionWindowValidationService submissionWindowValidationService) { long.TryParse(req.Query["jobId"], out var jobId); short.TryParse(req.Query["academicYear"], out var academicYear); byte.TryParse(req.Query["collectionPeriod"], out var collectionPeriod); var result = await submissionWindowValidationService.ValidateSubmissionWindow(jobId, academicYear, collectionPeriod, CancellationToken.None); if (result == null) { throw new ApplicationException("Error in Submission Window Validation"); } if (result.IsWithinTolerance == false) //406 { return new BadRequestObjectResult("") { StatusCode = StatusCodes.Status406NotAcceptable } } ; return(new OkObjectResult(result)); //200 } }