public ActionResult<IEquatable<BookDto>> GetBooksForAuthor(Guid authorId)
{
if (!_restApiRepository.AuthorExists(authorId))
{
return NotFound();
}
var booksForAuhthorFromRepo = _restApiRepository.GetBooks(authorId);
return Ok(_mapper.Map<IEnumerable<BookDto>>(booksForAuhthorFromRepo));
}
public bool AuthorExists(Guid authorId)
{
if (authorId == Guid.Empty)
{
throw new ArgumentNullException(nameof(authorId));
}
return(_restApiRepository.AuthorExists(authorId));
}