public interface BookRepository extends CrudRepository<BookEntity, UUID> {

    List<BookEntity> findByTitleIgnoreCase(String title);

    List<BookEntity> findByTitleIgnoreCaseAndAuthorIgnoreCase(String title,
            String author);

    List<BookEntity> findByTitleIgnoreCaseAndAuthorIgnoreCaseAndGenre(
            String title,
            String author,
            Genre genre);

    List<BookEntity> findByTitleIgnoreCaseAndGenre(String title, Genre genre);

    List<BookEntity> findByAuthorIgnoreCase(String author);

    List<BookEntity> findByAuthorIgnoreCaseAndGenre(String author, Genre genre);

    List<BookEntity> findByGenre(Genre genre);
}