import time from sqlalchemy import Boolean, Column, ForeignKey, Integer, String from services.db import Base class TopicFollower(Base): __tablename__ = 'topic_followers' id = None # type: ignore follower = Column(ForeignKey('author.id'), primary_key=True, index=True) topic = Column(ForeignKey('topic.id'), primary_key=True, index=True) created_at = Column(Integer, nullable=False, default=lambda: int(time.time())) 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(ForeignKey('community.id'), default=1) oid = Column(String, nullable=True, comment='Old ID')