public Employee GetEmployee(string userId)
        {
            Employee employee = new Employee();

            employee = DriverRepository.GetByUserId(userId);
            if (employee == null)
            {
                employee = DispatcherRepository.GetByUserId(userId);
            }
            if (employee == null)
            {
                employee = SupervisorRepository.GetByUserId(userId);
            }
            return(employee);
        }