def get(self, id):
load_options = (
subqueryload(Book.authors),
subqueryload(Book.categories),
)
book = Book.find_or_fail(id, load_options=load_options)
data = book.json()
data['authors'] = [book.json() for book in book.authors]
data['categories'] = [
categories.json() for categories in book.categories
]
return data
def put(self, id):
book = Book.find_or_fail(id)
data = self.parser.parse_args()
authors = data.pop('authors', [])
categories = data.pop('categories', [])
for key, value in data.items():
if key == 'isbn' and self.check_for_isbn(id, value):
return dict(message='ISBN already exists'), 409
setattr(book, key, value)
append_authors_to_book(book, authors)
append_categories_to_book(book, categories)
book.save()
return book.json()
def delete(self, id):
book = Book.find_or_fail(id)
book.delete()
return None, 204
