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
def add_data():
"""Add sample data to database."""
try:
data_json = load_json_data('authors.json')
for item in data_json:
item['birth_date'] = datetime.strptime(item['birth_date'], '%d-%m-%Y').date()
author = Author(**item)
db.session.add(author)
data_json = load_json_data('books.json')
for item in data_json:
book = Book(**item)
db.session.add(book)
db.session.commit()
print('Data has been successfully added to the database.')
except Exception as exc:
print('Unexpected error: {}'.format(exc))