swag-shop/backend/app/models/cart_model.py

from sqlalchemy import ForeignKey, Column, Integer, TIMESTAMP, Float
from sqlalchemy.orm import relationship

from .base_model import Base


class Cart(Base):
    __tablename__ = 'cart'

    id = Column(Integer, primary_key=True)
    user_id = Column(Integer, ForeignKey('user.id'), nullable=False)
    total = Column(Float, nullable=False)
    last_updated = Column(TIMESTAMP)

    user = relationship('User', back_populates='carts')
    entries = relationship('CartEntry', back_populates='cart')