124 lines
4.8 KiB
Python
124 lines
4.8 KiB
Python
from app import db, login
|
|
from datetime import date
|
|
from flask_login import UserMixin
|
|
from werkzeug.security import generate_password_hash, check_password_hash
|
|
|
|
item_category = db.Table("item_category",
|
|
db.Column("item", db.ForeignKey("item.id"), primary_key=True),
|
|
db.Column("category", db.ForeignKey("category.id"), primary_key=True)
|
|
)
|
|
|
|
class User(UserMixin, db.Model):
|
|
id = db.Column(db.BigInteger, primary_key=True)
|
|
email = db.Column(db.String(64), nullable=False, unique=True)
|
|
username = db.Column(db.String(64), nullable=False, unique=True)
|
|
password_hash = db.Column(db.String(128), nullable=False)
|
|
|
|
# Bought = db.relationship("Bought", backref='User', lazy='dynamic')
|
|
LoginToken = db.relationship("LoginToken", backref='User', lazy='dynamic')
|
|
|
|
def set_password(self, password):
|
|
self.password_hash = generate_password_hash(password)
|
|
|
|
def check_password(self, password):
|
|
return check_password_hash(self.password_hash, password)
|
|
|
|
def __repr__(self) -> str:
|
|
return f"<User {self.id} ({self.username})>"
|
|
|
|
class Establishment(db.Model):
|
|
id = db.Column(db.BigInteger, primary_key=True)
|
|
name = db.Column(db.String(64), nullable=False)
|
|
owner = db.Column(db.ForeignKey('user.id'), nullable=False)
|
|
|
|
LoginToken = db.relationship("LoginToken", backref='Establishment', lazy='dynamic')
|
|
|
|
def __repr__(self) -> str:
|
|
return f"<Establishment {self.id} ({self.name})>"
|
|
|
|
class LoginToken(db.Model):
|
|
user = db.Column(db.ForeignKey('user.id'), primary_key=True)
|
|
establishment = db.Column(db.ForeignKey('establishment.id'), primary_key=True)
|
|
token = db.Column(db.String(15), nullable=True, unique=True)
|
|
|
|
def __repr__(self) -> str:
|
|
return f"LoginToken {self.token}"
|
|
|
|
class Brand(db.Model):
|
|
id = db.Column(db.Integer, primary_key=True)
|
|
name = db.Column(db.String(32), nullable=False)
|
|
|
|
def __repr__(self) -> str:
|
|
return f"<Brand {self.id} ({self.name})>"
|
|
|
|
class Category(db.Model):
|
|
id = db.Column(db.Integer, primary_key=True)
|
|
name = db.Column(db.String(32), nullable=False, unique=True)
|
|
|
|
Item = db.relationship("Item", secondary=item_category, lazy="dynamic", back_populates="Category")
|
|
|
|
def __repr__(self) -> str:
|
|
return f"<Category {self.id} ({self.name})>"
|
|
|
|
class Item(db.Model):
|
|
id = db.Column(db.BigInteger, primary_key=True)
|
|
name = db.Column(db.String(64), nullable=False)
|
|
brand = db.Column(db.ForeignKey('brand.id'), nullable=False)
|
|
description = db.Column(db.Text, nullable=False)
|
|
|
|
Category = db.relationship("Category", secondary=item_category, lazy="dynamic", back_populates="Item")
|
|
Bought = db.relationship("Bought", backref='Item', lazy='dynamic')
|
|
PriceChange = db.relationship("PriceChange", backref='Item', lazy='dynamic')
|
|
AmountChange = db.relationship("AmountChange", backref='Item', lazy='dynamic')
|
|
|
|
def __repr__(self) -> str:
|
|
return f"<Item {self.id} ({self.name})>"
|
|
|
|
class Bought(db.Model):
|
|
token = db.Column(db.ForeignKey('login_token.token'), primary_key=True)
|
|
item = db.Column(db.ForeignKey('item.id'), primary_key=True)
|
|
date = db.Column(db.Date, primary_key=True)
|
|
amount = db.Column(db.SmallInteger, nullable=False)
|
|
registered = db.Column(db.Boolean, nullable=False, server_default=str(False))
|
|
paid = db.Column(db.SmallInteger, nullable=False, server_default=str(0))
|
|
|
|
def __repr__(self) -> str:
|
|
return f"<Bought Object>"
|
|
|
|
class PriceChange(db.Model):
|
|
item = db.Column(db.ForeignKey('item.id'), primary_key=True)
|
|
date = db.Column(db.Date, primary_key=True, server_default=str(date(2021, 12, 1)))
|
|
price = db.Column(db.SmallInteger, nullable=False)
|
|
|
|
def __repr__(self) -> str:
|
|
return f"<Price_Change {self.item} ({self.date})>"
|
|
|
|
class AmountChange(db.Model):
|
|
item = db.Column(db.ForeignKey('item.id'), primary_key=True)
|
|
date = db.Column(db.Date, primary_key=True, server_default=str(date(2021, 12, 1)))
|
|
amount = db.Column(db.SmallInteger, nullable=False, server_default=str(1))
|
|
|
|
def __repr__(self) -> str:
|
|
return f"<Amount_Change {self.item} ({self.date})>"
|
|
|
|
class Receipt(db.Model):
|
|
id = db.Column(db.Numeric(precision=22, scale=0), primary_key=True)
|
|
date = db.Column(db.Date, nullable=False)
|
|
registered = db.Column(db.Boolean, nullable=False, server_default=str(False))
|
|
paid = db.Column(db.SmallInteger, nullable=False, server_default=str(0))
|
|
|
|
def __repr__(self) -> str:
|
|
return f"<Receipt {self.id}>"
|
|
|
|
class ItemReceipt(db.Model):
|
|
receipt = db.Column(db.ForeignKey("receipt.id"), primary_key=True)
|
|
item = db.Column(db.ForeignKey("item.id"), primary_key=True)
|
|
amount = db.Column(db.SmallInteger, nullable=False)
|
|
|
|
def __repr__(self) -> str:
|
|
return f"<ItemReceipt {self.receipt}: {self.item}>"
|
|
|
|
|
|
@login.user_loader
|
|
def load_user(id):
|
|
return User.query.get(int(id)) |