Managing a bookstore using procedure oriented programming. Add books, add authors, and search for books and authors!

Bookstore Management

def create_bookstore(name):
    authors = []
    books = []
    bookstore = {'name': name, 'authors': authors, 'books' : books}
    return bookstore


def add_author(bookstore, name, nationality):
    ID = name[:3] + nationality
    author = {'name': name, 'nationality': nationality, 'id': ID}
    bookstore['authors'].append(author)
    return author

def get_author_by_name(bookstore, name):
     for author in bookstore['authors']:
         if author['name'] == name:
             return author


def get_author_by_id(bookstore, author_id):
    for author in bookstore['authors']:
         if author['id'] == author_id:
             return author


def add_book(bookstore, title, isbn, author_id):
    booklist = []
    ID = title[:3] + isbn
    book = {'title': title, 'isbn': isbn, 'id': ID, 'author': author_id}
    bookstore['books'].append(book)
    return book


def get_book_by_title(bookstore, title):
    for book in bookstore['books']:
         if book['title'] == title:
             return book


def get_book_by_id(bookstore, book_id):
    for book in bookstore['books']:
         if book['id'] == book_id:
             return book


def get_books_by_author(bookstore, author_id):
    for book in bookstore['books']:
         if book['author'] == author_id:
             return book


store = create_bookstore('rmotr bookstore')

poe = add_author(store, 'Edgar Allan Poe', 'US')
borges = add_author(store, 'Jorge Luis Borges', 'AR')
joyce = add_author(store, 'James Joyce', 'UK')

author = get_author_by_name(store, 'James Joyce')

author = get_author_by_id(store, poe['id'])

raven = add_book(store, 'The Raven', 'XXX-1', poe['id'])
ulysses = add_book(store, 'Ulysses', 'XXX-2', joyce['id'])
ficciones = add_book(store, 'Ficciones', 'XXX-3', borges['id'])
aleph = add_book(store, 'El Aleph', 'XXX-4', borges['id'])

book = get_book_by_title(store, 'The Raven')

book = get_book_by_id(store, ulysses['id'])

books = get_books_by_author(store, borges['id'])