public async Task <IHttpActionResult> GetDepartment(int id)
        {
            try
            {
                Department department = await _repository.FindAsync(id);

                if (department == null)
                {
                    return(NotFound());
                }
                return(Ok(department));
            }
            catch (Exception ex)
            {
                return(InternalServerError(ex));
            }
        }