"""
公告历史记录模型
"""
from sqlalchemy import Column, Integer, String, DateTime, SmallInteger, Text
from app.database import Base

class AnnouncementHis(Base):
    """公告表历史记录"""
    __tablename__ = "announcements_his"

    his_id = Column(Integer, primary_key=True, autoincrement=True, comment="历史记录主键ID")
    id = Column(Integer, nullable=False, comment="原表主键ID")
    title = Column(String(200), nullable=False, comment="公告标题")
    content = Column(Text, nullable=False, comment="公告内容")
    priority = Column(SmallInteger, default=0, comment="优先级")
    is_active = Column(SmallInteger, default=1, comment="是否启用")
    publish_time = Column(DateTime, comment="发布时间")
    is_deleted = Column(SmallInteger, default=0, comment="是否删除：0-否，1-是")
    created_at = Column(DateTime, comment="创建时间")
    updated_at = Column(DateTime, comment="更新时间")
    his_created_at = Column(DateTime, comment="历史记录创建时间")
    his_operation = Column(String(10), nullable=False, comment="操作类型：INSERT/UPDATE/DELETE")