from sqlalchemy import ForeignKey from sqlalchemy.orm import mapped_column, Mapped from app.database import Base class Chats(Base): __tablename__ = "chats" id: Mapped[int] = mapped_column(primary_key=True) created_by: Mapped[int] = mapped_column(ForeignKey("users.id")) chat_for = mapped_column(ForeignKey("users.id")) chat_name: Mapped[str] visibility: Mapped[bool] = mapped_column(server_default="true")