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88 lines
2.4 KiB
Python
88 lines
2.4 KiB
Python
from configparser import ConfigParser
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import bcrypt
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy import Column, Integer, String, ForeignKey, DateTime, Boolean, Numeric
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from sqlalchemy.orm import relationship, backref
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from sqlalchemy.sql import expression
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from sqlalchemy.ext.compiler import compiles
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from sqlalchemy.types import DateTime as DateTimeType
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cfg = ConfigParser()
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cfg.read('config.ini')
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BCRYPT_LOG_ROUNDS = cfg.get('user', 'BCRYPT_LOG_ROUNDS')
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# can be moved to models util?
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class utcnow(expression.FunctionElement):
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type = DateTimeType()
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# Can be moved to the models util?
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@compiles(utcnow, 'postgresql')
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def pg_utcnow(element, compiler, **kw):
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return "TIMEZONE('utc', CURRENT_TIMESTAMP)"
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Base = declarative_base()
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class DBMixin:
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id = Column(Integer, primary_key=True, autoincrement=True)
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created_date = Column(DateTime, server_default=utcnow())
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modified_date = Column(DateTime, server_default=utcnow(), onupdate=utcnow())
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def to_dict(self):
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d = self.__dict__
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d.pop('_sa_instance_state')
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return d
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def ReferenceCol(tablename, nullable=False, **kw):
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return Column(ForeignKey('{}.id'.format(tablename)), nullable=nullable, **kw)
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class Cookie(Base, DBMixin):
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__tablename__ = 'cookies'
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name = Column(String(50), index=True)
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recipe_url = Column(String(255))
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sku = Column(String(55))
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qoh = Column(Integer)
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unit_cost = Column(Numeric(12, 2))
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class User(DBMixin, Base):
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__tablename__ = 'users'
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email = Column(String(255), nullable=False, unique=True)
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password = Column(String(255))
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admin = Column(Boolean, nullable=False, default=False)
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def __init__(self, email, password, admin=False):
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self.email = email
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self.password = bcrypt.hashpw(password.encode('utf-8'), bcrypt.gensalt(BCRYPT_LOG_ROUNDS)).decode()
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self.admin = admin
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class Order(DBMixin, Base):
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__tablename__ = 'orders'
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user_id = ReferenceCol('users')
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shipped = Column(Boolean, default=False)
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user = relationship('User', backref=backref('orders'))
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class LineItem(DBMixin, Base):
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__tablename__ = 'line_items'
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order_id = ReferenceCol('orders')
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cookie_id = ReferenceCol('cookies')
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quantity = Column(Integer)
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extended_cost = Column(Numeric(12, 2))
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order = relationship('Order', backref=backref('line_items'))
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cookie = relationship('Cookie', uselist=False)
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