public HttpResponseMessage Post(StaffToAdd staffToAdd)
        {
            Notification notificationService = null;
            // for each staff id in the staffid array, add to the db.
            foreach (var staffId in staffToAdd.StaffId)
            {
                // add staff
                _db.StaffOnTask.Add(new StaffOnTask() { StaffId = staffId, AnthRTaskId = staffToAdd.AnthRTaskId });

                // send off email to the staff member informing them of the new task
                notificationService = new Notification();
                notificationService.SendTaskEmail(staffToAdd.AnthRTaskId, staffId);

            }
            _db.SaveChanges();

            return new HttpResponseMessage(HttpStatusCode.OK);
        }