class Comment(db.Model):
id = db.Column(db.Integer, primary_key=True)
content = db.Column(db.Text)
creation_date = db.Column(db.Date)
book_isbn = db.Column(db.BigInteger, db.ForeignKey('book.isbn'))
user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
def __repr__(self):
return f"Comment( commentID: '{self.id}', book: '{self.book_isbn}', userID: '{self.user_id}')"
class CartItem(db.Model):
id = db.Column(db.Integer, primary_key=True)
count = db.Column(db.Integer)
cart_id = db.Column(db.Integer, db.ForeignKey('cart.id'))
book_isbn = db.Column(db.Integer, db.ForeignKey('book.isbn'))
price = db.Column(db.Integer)
def __repr__(self):
return f"CartItem( id: '{self.id}', cart_id: '{self.cart_id}', book_isbn: '{self.book_isbn}', count: '{self.count}', price: '{self.price}')"
class Comment(db.Model):
id = db.Column(db.Integer, primary_key=True)
content = db.Column(db.Text)
creation_date = db.Column(db.Text)
rating = db.Column(db.Float)
book_isbn = db.Column(db.BigInteger, db.ForeignKey('book.isbn'))
user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
anon = db.Column(db.Integer)
def __repr__(self):
return f"Comment( commentID: '{self.id}', rating: '{self.rating}', content: '{self.content}', book: '{self.book_isbn}', userID: '{self.user_id}', anon: '{self.anon}')"
class Order(db.Model):
id = db.Column(db.Integer, primary_key=True)
order_date = db.Column(db.Date)
books = db.relationship('Book', secondary=transactions)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
def __repr__(self):
return f"Order( orderID: {self.id}, userID: {self.user_id}, date: {self.order_date})"
class Cart(db.Model):
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
date = db.Column(db.Date)
cart_items = db.relationship('CartItem', backref=db.backref('cart'), lazy=True)
def __repr__(self):
return f"ShoppingCart( cart_id: '{self.id}', user_id: '{self.user_id}')"
class CreditCard(db.Model):
id = db.Column(db.Integer, primary_key=True)
card_type = db.Column(db.String(20))
# I actually don't know if this cvv attribute shoult be a string or an Integer
card_number = db.Column(db.String(20), unique=True)
cvv = db.Column(db.Integer)
exp_date = db.Column(db.Date)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
def __repr__(self):
return f"CreditCard( card_number: '{self.card_number[:4]}', user: '******')"
from geektext import db
#relationship table between Author and Book. since it is a many to many relaitonship we need a new table called publish
publish = db.Table(
'publish',
db.Column('book_isbn',
db.BigInteger,
db.ForeignKey('book.isbn'),
primary_key=True),
db.Column('author_name',
db.String(100),
db.ForeignKey('author.name'),
primary_key=True))
class Author(db.Model):
name = db.Column(db.String(100), primary_key=True)
info = db.Column(db.Text, nullable=False)
books = db.relationship('Book',
secondary=publish,
backref=db.backref('authors'))
def __repr__(self):
return f"Author( name: '{self.name}' )"
transactions = db.Table(
'transactions',
db.Column('book_isbn',
db.BigInteger,
from enum import unique
from geektext import db, login_manager
from flask_login import UserMixin
@login_manager.user_loader
def load_user(user_id):
return User.query.get(int(user_id))
#author_book_relationship is a table with two columns book_isbn and author_name
#it relates a book with the author that wrote it
author_book_relationship = db.Table('author_book_relationship',
db.Column('book_isbn', db.BigInteger, db.ForeignKey('book.isbn'), primary_key=True),
db.Column('author_name', db.String(100), db.ForeignKey('author.name'), primary_key=True)
)
#Author is a table that contains every author in the database
#The attributes are: name, info, and books
class Author(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(100),unique=True)
info = db.Column(db.Text)
img = db.Column(db.String(100))
books = db.relationship('Book', secondary=author_book_relationship, backref=db.backref('authors'))
def __repr__(self):
return f"Author( name: '{self.name}' )"
#order_book_relationship is a table that relates an order with the books that is contains
