def register_book(book):
"""Регистрация новой книги в магазине."""
BookStore.book_index.append(book)
BookStore.log(str(book))
for edition in book.editions:
if (BookStore.publisher_index.get(edition.publisher, False)):
BookStore.publisher_index[edition.publisher].add(edition)
else:
from publisher import Publisher
publisher = Publisher(edition.publisher)
publisher.add(edition)
BookStore.publisher_index[edition.publisher] = publisher
if (BookStore.author_index.get(book.author, False)):
BookStore.author_index[book.author].add(book)
else:
from author import Author
author = Author(book.author)
author.add(book)
BookStore.author_index[book.author] = author
return BookStore.book_index, BookStore.publisher_index, BookStore.author_index
