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database_setup.py
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database_setup.py
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import sys
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'
id = Column(Integer, primary_key = True)
name = Column(String(30), nullable = False)
email = Column(String(100), unique = True)
picture = Column(String(100))
class Category(Base):
__tablename__ = 'Category'
id = Column(Integer, primary_key = True)
name = Column(String(80), nullable = False)
user_id = Column(Integer, ForeignKey('User.id'))
user = relationship(User)
items = relationship('Item', cascade = 'delete')
@property
def serialize(self):
return {
'id': self.id,
'name': self.name
}
class Item(Base):
__tablename__ = 'Item'
id = Column(Integer, primary_key = True)
name = Column(String(80), nullable = False)
description = Column(String(250))
category_id = Column(Integer, ForeignKey('Category.id'))
user_id = Column(Integer, ForeignKey('User.id'))
picture = Column(String(100))
category = relationship(Category)
user = relationship(User)
@property
def serialize(self):
return {
'id': self.id,
'name': self.name,
'description': self.description,
'picture': self.picture
}
engine = create_engine('postgresql://catalog:fgRT56rkG@localhost/catalog')
Base.metadata.create_all(engine)