from datetime import datetime from sqlalchemy import Column, String, ForeignKey, DateTime, JSON as JSONType from base.orm import Base class ShoutTopic(Base): __tablename__ = 'shout_topic' id = None shout = Column(ForeignKey('shout.slug'), primary_key = True) topic = Column(ForeignKey('topic.slug'), primary_key = True) class TopicFollower(Base): __tablename__ = "topic_followers" id = None follower = Column(ForeignKey('user.slug'), primary_key = True) topic = Column(ForeignKey('topic.slug'), primary_key = True) createdAt: str = Column(DateTime, nullable=False, default = datetime.now, comment="Created at") class Topic(Base): __tablename__ = 'topic' id = None slug: str = Column(String, primary_key = True) title: str = Column(String, nullable=False, comment="Title") body: str = Column(String, nullable=True, comment="Body") pic: str = Column(String, nullable=True, comment="Picture") children = Column(JSONType, nullable=True, default = [], comment="list of children topics") community = Column(ForeignKey("community.slug"), nullable=False, comment="Community") oid: str = Column(String, nullable=True, comment="Old ID")