public static async Task <IActionResult> Run( [HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = null)] HttpRequest req, ILogger log, [Inject] IApprenticeshipService apprenticeshipService) { string fromQuery = req.Query["id"]; Apprenticeship persisted = null; if (string.IsNullOrWhiteSpace(fromQuery)) { return(new BadRequestObjectResult($"Empty or missing id value.")); } if (!Guid.TryParse(fromQuery, out Guid id)) { return(new BadRequestObjectResult($"Invalid id value. Expected a non-empty valid {nameof(Guid)}")); } try { persisted = (Apprenticeship)await apprenticeshipService.GetApprenticeshipById(id); if (persisted == null) { return(new NotFoundObjectResult(id)); } return(new OkObjectResult(persisted)); } catch (Exception e) { return(new InternalServerErrorObjectResult(e)); } }