def get_book(book_id: int):
book = Book.query.get_or_404(
book_id, description=f"Book with id {book_id} not found!")
return jsonify({
'success': True,
'data': book_schema.dump(book),
})
def update_book(user_id: int, args: dict, book_id: int):
book = Book.query.get_or_404(
book_id, description=f'Book with id {book_id} not found.')
book_with_existing_isbn = Book.query.filter(
Book.isbn == args['isbn']).first()
if book_with_existing_isbn is not None:
if book_with_existing_isbn.id != book_id:
abort(409,
description=f'Book with ISBN {args["isbn"]} already exists.')
book.title = args['title']
book.isbn = args['isbn']
book.number_of_pages = args['number_of_pages']
description = args.get('description')
if description is not None:
book.description = description
author_id = args.get('author_id')
if author_id is not None:
Author.query.get_or_404(
author_id, description=f'Author with id {author_id} not found.')
book.author_id = author_id
db.session.commit()
return jsonify({'success': True, 'data': book_schema.dump(book)})
def create_book(user_id: int, args: dict, author_id: int):
Author.query.get_or_404(
author_id, description=f'Author with id {author_id} not found')
if Book.query.filter(Book.isbn == args['isbn']).first():
abort(409, description=f'Bok with ISBN {args["isbn"]} already exists')
book = Book(author_id=author_id, **args)
db.session.add(book)
db.session.commit()
return jsonify({'success': True, 'data': book_schema.dump(book)}), 201