public HttpResponseMessage GetSortedStudentsNamesByFormId(int id) { string userId = ((ClaimsPrincipal)RequestContext.Principal).FindFirst(x => x.Type == "UserId").Value; string userRole = ((ClaimsPrincipal)RequestContext.Principal).FindFirst(x => x.Type == ClaimTypes.Role).Value; logger.Info("UserRole: " + userRole + ", UserId: " + userId + ": Requesting Sorted Students Names Collection For Form Id: " + id); try { if (userRole == "admin" || userRole == "teacher") { FormIdStudentsDTO form = formsService.GetSortedStudentsNamesByFormId(id); if (form == null) { logger.Info("Failed!"); return(Request.CreateResponse(HttpStatusCode.BadRequest, "Failed!")); } logger.Info("Success!"); return(Request.CreateResponse(HttpStatusCode.OK, form)); } if (userRole == "student") { FormIdStudentsDTO form = formsService.GetSortedStudentsNamesByFormId(id); if (form == null || form.Students.Any(x => x.Id == userId) == false) { logger.Info("Authorisation failure. User " + userId + " is not authorised for this request."); return(Request.CreateErrorResponse(HttpStatusCode.BadRequest, "Access Denied. " + "We’re sorry, but you are not authorized to perform the requested operation.")); } logger.Info("Success!"); return(Request.CreateResponse(HttpStatusCode.OK, form)); } else { //parent ulazi, ali bacamo exception ako nije roditelj nekog deteta odeljenja FormIdStudentsDTO form = formsService.GetSortedStudentsNamesByFormIdForParent(id, userId); if (form == null) { logger.Info("Failed."); return(Request.CreateErrorResponse(HttpStatusCode.BadRequest, "Failed.")); } logger.Info("Success!"); return(Request.CreateResponse(HttpStatusCode.OK, form)); } } catch (Exception e) { logger.Error(e); return(Request.CreateErrorResponse(HttpStatusCode.BadRequest, e)); } }