def create_author(self, author_dto):
author = AuthorConverter.from_dto(author_dto).to_mo()
self.session.add(author)
self.session.commit()
return
def get_author(self, author_dto):
query = self.session.query(Author)
if author_dto.id:
query = query.filter(Author.id == author_dto.id)
if author_dto.name:
query = query.filter(Author.name == author_dto.name)
author = query.one()
return AuthorConverter.from_mo(author).to_dto()
def search_authors(self):
query = self.session.query(Author).order_by(Author.name)
authors = query.all()
return map(lambda author: AuthorConverter.from_mo(author).to_dto(), authors)
