84 lines
2.7 KiB
Python
84 lines
2.7 KiB
Python
from app import db, login
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from flask_login import UserMixin
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from werkzeug.security import generate_password_hash, check_password_hash
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item_category = db.Table("item_category",
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db.Column("item", db.ForeignKey("item.id"), primary_key=True),
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db.Column("category", db.ForeignKey("category.id"), primary_key=True)
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)
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class User(UserMixin, db.Model):
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id = db.Column(db.String(10), primary_key=True)
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name = db.Column(db.String(64))
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password_hash = db.Column(db.String(128))
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Bought = db.relationship("Bought", backref='User', lazy='dynamic')
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def set_password(self, password):
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self.password_hash = generate_password_hash(password)
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def check_password(self, password):
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return check_password_hash(self.password_hash, password)
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def __repr__(self) -> str:
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return f"<User {self.id} ({self.name})>"
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class Brand(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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name = db.Column(db.String(32))
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def __repr__(self) -> str:
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return f"<Brand {self.id} ({self.name})>"
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class Category(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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name = db.Column(db.String(32))
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Item = db.relationship("Item", secondary=item_category, lazy="dynamic", back_populates="Category")
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def __repr__(self) -> str:
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return f"<Category {self.id} ({self.name})>"
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class Item(db.Model):
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id = db.Column(db.BigInteger, primary_key=True)
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name = db.Column(db.String(64))
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brand = db.Column(db.ForeignKey('brand.id'))
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description = db.Column(db.Text)
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Category = db.relationship("Category", secondary=item_category, lazy="dynamic", back_populates="Item")
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Item = db.relationship("Bought", backref='Item', lazy='dynamic')
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def __repr__(self) -> str:
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return f"<Item {self.id} ({self.name})>"
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class Bought(db.Model):
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user = db.Column(db.ForeignKey('user.id'), primary_key=True)
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item = db.Column(db.ForeignKey('item.id'), primary_key=True)
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date = db.Column(db.Date)
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amount = db.Column(db.SmallInteger)
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def __repr__(self) -> str:
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return f"<Bought Object>"
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class PriceChange(db.Model):
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item = db.Column(db.ForeignKey('item.id'), primary_key=True)
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date = db.Column(db.Date, primary_key=True)
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price = db.Column(db.SmallInteger)
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def __repr__(self) -> str:
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return f"<Price_Change {self.item} ({self.date})>"
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class AmountChange(db.Model):
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item = db.Column(db.ForeignKey('item.id'), primary_key=True)
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date = db.Column(db.Date, primary_key=True)
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amount = db.Column(db.SmallInteger)
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def __repr__(self) -> str:
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return f"<Amount_Change {self.item} ({self.date})>"
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@login.user_loader
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def load_user(id):
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return User.query.get(int(id)) |