from sqlalchemy import Column, Integer, String, DateTime
from sqlalchemy.sql import func
from app.database.database import Base


class User(Base):
    """用户模型"""
    __tablename__ = "users"
    
    id = Column(Integer, primary_key=True, index=True)
    username = Column(String(50), unique=True, index=True, nullable=False)
    password = Column(String(100), nullable=False)
    department = Column(String(50), nullable=False)
    role = Column(String(20), nullable=False)  # admin, marketing, other
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    updated_at = Column(DateTime(timezone=True), onupdate=func.now())