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a496aae | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, JSON, Text
from sqlalchemy.sql import func
from sqlalchemy.orm import relationship
from app.core.database import Base
class Conversation(Base):
"""Conversation model - linked to repository only"""
__tablename__ = "conversations"
id = Column(Integer, primary_key=True, index=True)
repository_id = Column(Integer, ForeignKey("repositories.id"), nullable=False)
title = Column(String, nullable=False, default="New Conversation")
created_at = Column(DateTime(timezone=True), server_default=func.now())
updated_at = Column(DateTime(timezone=True), onupdate=func.now())
# Relationships
repository = relationship("Repository", back_populates="conversations")
messages = relationship("Message", back_populates="conversation", cascade="all, delete-orphan")
def __repr__(self):
return f"<Conversation(id={self.id}, repository_id={self.repository_id}, title='{self.title}')>"
class Message(Base):
"""Message model for chat history"""
__tablename__ = "messages"
id = Column(Integer, primary_key=True, index=True)
conversation_id = Column(Integer, ForeignKey("conversations.id"), nullable=False)
role = Column(String, nullable=False) # 'user' or 'assistant'
content = Column(Text, nullable=False)
citations = Column(JSON, nullable=True) # Store code citations as JSON
created_at = Column(DateTime(timezone=True), server_default=func.now())
# Relationships
conversation = relationship("Conversation", back_populates="messages")
def __repr__(self):
return f"<Message(id={self.id}, role='{self.role}', conversation_id={self.conversation_id})>" |