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database_setup.py
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database_setup.py
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from sqlalchemy import Column, ForeignKey, Integer, String
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import relationship
from sqlalchemy import create_engine
Base = declarative_base()
class User(Base):
__tablename__ = 'user'
name = Column(String(50), nullable = False)
id = Column(Integer, primary_key = True)
email = Column(String(50), nullable = False)
picture = Column(String(250))
class Category(Base):
__tablename__ = 'category'
name = Column(String(50), nullable = False)
id = Column(Integer, primary_key = True)
items = relationship('Item', cascade="all, delete-orphan")
@property
def serialize(self):
""" """
return {
'id': self.id,
'name': self.name,
'Item': [i.serialize for i in self.items],
}
class Item(Base):
__tablename__ = 'item'
name = Column(String(50), nullable = False)
id = Column(Integer, primary_key = True)
image_url = Column(String(250))
description = Column(String(250))
price = Column(String(8))
category_id = Column(Integer, ForeignKey('category.id'))
category = relationship(Category)
user_id = Column(Integer, ForeignKey('user.id'))
user = relationship(User)
@property
def serialize(self):
""" """
return {
'cat_id': self.category_id,
'description': self.description,
'id': self.id,
'title': self.name,
'price': self.price,
}
engine = create_engine('sqlite:///catalog.db')
Base.metadata.create_all(engine)