class User(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(30), nullable=False)
username = db.Column(db.String(20), unique=True, nullable=False)
email = db.Column(db.String(120), unique=True, nullable=False)
password = db.Column(db.String(60), nullable=False)
address = db.Column(db.String, nullable=False)
orders = db.relationship('Order', backref='user', lazy=True)
comments = db.relationship('Comment',
backref=db.backref('user'),
lazy=True)
def __repr__(self):
return f"User( email: '{self.email}', username: '******')"
class Book(db.Model):
isbn = db.Column(db.BigInteger, primary_key=True)
title = db.Column(db.String(100), unique=True, nullable=False)
date_pub = db.Column(db.String(100))
genre = db.Column(db.String(100))
rating = db.Column(db.Float)
numRatings = db.Column(db.BigInteger)
price = db.Column(db.Float)
img = db.Column(db.String(100))
pub_info = db.Column(db.Text)
book_description = db.Column(db.Text)
comments = db.relationship('Comment', backref=db.backref('book'), lazy=True)
carts = db.relationship('CartItem', backref=db.backref('book'), lazy=True)
def __repr__(self):
return f"Book( titel: '{self.title}' )"
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 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}' )"
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}' )"