public ActionResult <Author> PostAuthor(AuthorDTO author)
{
if (author == null)
{
return(BadRequest());
}
if (_context.Authors.Any(a => a.Name == author.Name && a.Surname == author.Surname))
{
return(BadRequest(new { message = "Author already exists" }));
}
var Id = _authorServices.PostAuthor(author);
return(CreatedAtAction(nameof(GetAuthor), new { authorId = Id }, author));
}
