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# models/message.py
from datetime import datetime
from sqlalchemy import Column, Integer, String, Text, DateTime, ForeignKey
from sqlalchemy.orm import relationship
from zoneinfo import ZoneInfo
from .base import Base
class Message(Base):
__tablename__ = 'messages'
id = Column(Integer, primary_key=True)
user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
role = Column(String(50))
message = Column(Text)
timestamp = Column(DateTime(timezone=True), default=lambda: datetime.now(ZoneInfo("Asia/Jakarta")))
# Use a string reference for deferred resolution.
user = relationship("User", back_populates="messages")
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