from sqlalchemy import Column, Integer, String, Float from app.db.session import Base class Item(Base): __tablename__ = "items" id = Column(Integer, primary_key=True, index=True) title = Column(String, nullable=False) prize = Column(String, nullable=False) description = Column(String, nullable=True, default="") prize_type = Column(String, nullable=False, default="پوچ") probability = Column(Float, nullable=False, default=1.0)