from sqlalchemy import Boolean, Column, DateTime, ForeignKey, String, func from base.orm import Base class TopicFollower(Base): __tablename__ = "topic_followers" id = None follower: Column = Column(ForeignKey("user.id"), primary_key=True, index=True) topic: Column = Column(ForeignKey("topic.id"), primary_key=True, index=True) createdAt = Column( DateTime(timezone=True), nullable=False, server_default=func.now(), comment="Created at" ) auto = Column(Boolean, nullable=False, default=False) class Topic(Base): __tablename__ = "topic" slug = Column(String, unique=True) title = Column(String, nullable=False, comment="Title") body = Column(String, nullable=True, comment="Body") pic = Column(String, nullable=True, comment="Picture") community: Column = Column(ForeignKey("community.id"), default=1, comment="Community") oid = Column(String, nullable=True, comment="Old ID")