public async Task <ActionResult <Author> > PostAuthor(AuthorPostModel authorPost)
        {
            Author author = _mapper.Map <Author>(authorPost);

            _context.Author.Add(author);
            bool IsSaveAuthor = await _authorServices.AddNewBook(author);

            if (IsSaveAuthor)
            {
                return(Ok(new { data = author, success = true }));
            }
            else
            {
                return(Ok(new { error_message = "Co loi khi luu tac gia" }));
            }
        }