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