from sqlalchemy import Column, Integer, String, Text, Boolean, DateTime, func from app.core.database import Base class Announcement(Base): __tablename__ = "announcements" id = Column(Integer, primary_key=True, autoincrement=True) title = Column(String(200), nullable=False) content = Column(Text, nullable=False) # markdown is_published = Column(Boolean, default=False) published_at = Column(DateTime, nullable=True) created_at = Column(DateTime, server_default=func.now()) updated_at = Column(DateTime, server_default=func.now(), onupdate=func.now())