def get_copy(book_copy_id):
"""
Method to get a copy of a book by copy id.
:param book_copy_id: Integer of record for a copy.
:return: Dictionary of book copy.
"""
if BookCopyDao.contains(book_copy_id):
return BookCopyDao.get_book_copy(book_copy_id)
else:
abort(404, 'Resource not found: book_copy_id')
def get_copies(book_id):
"""
Method to get all copies of a book.
:param book_id: Integer record of a book.
:return: List of dictionaries of copies.
"""
if BookDao.contains(book_id):
return BookCopyDao.get_book_copies(book_id)
else:
abort(404, 'Resource not found: book_id')
def delete_checkout(checkout_id):
print('Delete checkout')
a_checkout = Checkout.query.filter_by(checkout_id=checkout_id).delete()
book_copy_id = a_checkout.book_copy_id
book_copy = BookCopyDao.get_book_copy(book_copy_id)
book_copy.is_checked_out = False
db.session.commit()
return a_checkout, 204
def update(checkout_id, checkout_info_dict):
print('Updating checkout')
a_checkout = Checkout.query.get(checkout_id)
book_copy_id = a_checkout.book_copy_id
book_copy = BookCopyDao.get_book_copy(book_copy_id)
book_copy.is_checked_out = False
a_checkout.update(**checkout_info_dict)
db.session.commit()
return a_checkout.to_dict()
def create_copy(book_id):
"""
Method to create a new copy for a book.
:param book_id: Book record to create a copy for.
:return: Dictionary of created Copy.
"""
print('BookCopyChecker.create_copy()')
if BookDao.contains(book_id):
return BookCopyDao.create(book_id)
else:
abort(404, 'Resource not found: book_id')
def create_new_checkout(checkout_dict):
new_checkout = Checkout(**checkout_dict)
book_copy_id = new_checkout.book_copy_id
book_copy = BookCopyDao.get_book_copy(book_copy_id)
book_copy.is_checked_out = True
db.session.add(new_checkout)
db.session.commit()
print('checkout created')
return new_checkout.checkout_id
def create_checkout(json_checkout_info):
book_copy_id = json_checkout_info['book_copy_id']
if BookCopyDao.get_book_copy(book_copy_id).is_checked_out is True:
return abort(400, 'book already checked out')
user_id = json_checkout_info['user_id']
book_id = json_checkout_info['book_id']
checkout_date = json_checkout_info['checkout_date']
due_date = json_checkout_info['due_date']
return_date = json_checkout_info['return_date']
checkout_dict = clean_checkout(user_id, book_id, book_copy_id,
checkout_date, due_date, return_date)
return CheckoutDao.create_new_checkout(checkout_dict)