From 4e301c1fcf4a0b6e2e797acaa3169d5ff4fe92f5 Mon Sep 17 00:00:00 2001
From: zhaoqingang <zhaoqg0118@163.com>
Date: 星期三, 08 一月 2025 13:50:52 +0800
Subject: [PATCH] sse
---
app/models/v2/session_model.py | 92 ++++++++++++++++++++++++++++++++++++++-------
1 files changed, 77 insertions(+), 15 deletions(-)
diff --git a/app/models/v2/session_model.py b/app/models/v2/session_model.py
index f6894c0..aa85f19 100644
--- a/app/models/v2/session_model.py
+++ b/app/models/v2/session_model.py
@@ -1,31 +1,40 @@
import json
-from datetime import datetime
-from enum import IntEnum
-from typing import Optional
-
import pytz
-from pydantic import BaseModel
-from sqlalchemy import Column, String, Enum as SQLAlchemyEnum, Integer, DateTime, JSON, TEXT
+from datetime import datetime
+from sqlalchemy.orm import Session
+from typing import Optional, Type
+from pydantic import BaseModel
+from sqlalchemy import Column, String, Integer, DateTime, JSON, TEXT, Index
+
+from Log import logger
from app.models.agent_model import AgentType
-# from app.models import current_time
from app.models.base_model import Base
+
def current_time():
tz = pytz.timezone('Asia/Shanghai')
return datetime.now(tz)
-class SessionModel(Base):
- __tablename__ = "sessions"
- id = Column(String(255), primary_key=True)
+
+class ChatSessionModel(Base):
+ __tablename__ = "chat_sessions"
+
+ # __table_args__ = (
+ # Index('idx_username', 'username'),
+ # )
+
+ id = Column(String(36), primary_key=True)
name = Column(String(255))
agent_id = Column(String(255))
- agent_type = Column(SQLAlchemyEnum(AgentType), nullable=False) # 鐩墠鍙瓨basic鐨勶紝ragflow鍜宐isheng鐨勮皟鎺ュ彛鑾峰彇
+ agent_type = Column(Integer) # 鐩墠鍙瓨basic鐨勶紝ragflow鍜宐isheng鐨勮皟鎺ュ彛鑾峰彇
create_date = Column(DateTime, default=current_time) # 鍒涘缓鏃堕棿锛岄粯璁ゅ�间负褰撳墠鏃跺尯鏃堕棿
- update_date = Column(DateTime, default=current_time, onupdate=current_time) # 鏇存柊鏃堕棿锛岄粯璁ゅ�间负褰撳墠鏃跺尯鏃堕棿锛屾洿鏂版椂鑷姩鏇存柊
- tenant_id = Column(Integer) # 鍒涘缓浜�
- message = Column(TEXT) # 璇存槑
- conversation_id = Column(String(64))
+ update_date = Column(DateTime, default=current_time, onupdate=current_time, index=True) # 鏇存柊鏃堕棿锛岄粯璁ゅ�间负褰撳墠鏃跺尯鏃堕棿锛屾洿鏂版椂鑷姩鏇存柊
+ tenant_id = Column(Integer, index=True) # 鍒涘缓浜�
+ message = Column(TEXT)
+ reference = Column(TEXT)
+ conversation_id = Column(String(36), index=True)
+ event_type = Column(String(16))
# to_dict 鏂规硶
def to_dict(self):
@@ -56,10 +65,63 @@
msg = json.loads(self.message)
msg.append(message)
except Exception as e:
+ print(e)
return
self.message = json.dumps(msg)
+
class ChatDialogData(BaseModel):
sessionId: Optional[str] = ""
question: str
+ chatId: str
+
+
+class ChatSessionDao:
+ def __init__(self, db: Session):
+ self.db = db
+
+ async def create_session(self, session_id: str, **kwargs) -> ChatSessionModel:
+ new_session = ChatSessionModel(
+ id=session_id,
+ create_date=current_time(),
+ update_date=current_time(),
+ **kwargs
+ )
+ new_session.message = json.dumps([new_session.message])
+ self.db.add(new_session)
+ self.db.commit()
+ self.db.refresh(new_session)
+ return new_session
+
+ async def get_session_by_id(self, session_id: str) -> ChatSessionModel | None:
+ session = self.db.query(ChatSessionModel).filter_by(id=session_id).first()
+ return session
+
+ async def update_session_by_id(self, session_id: str, session, message: dict) -> ChatSessionModel | None:
+ if not session:
+ session = await self.get_session_by_id(session_id)
+ if session:
+ try:
+ session.add_message(message)
+ session.update_date = current_time()
+ self.db.commit()
+ self.db.refresh(session)
+ except Exception as e:
+ logger.error(e)
+ self.db.rollback()
+ return session
+
+ async def update_or_insert_by_id(self, session_id: str, **kwargs) -> ChatSessionModel:
+ existing_session = await self.get_session_by_id(session_id)
+ if existing_session:
+ return await self.update_session_by_id(session_id, existing_session, kwargs.get("message"))
+
+ existing_session = await self.create_session(session_id, **kwargs)
+ return existing_session
+
+ async def delete_session(self, session_id: str) -> None:
+ session = await self.get_session_by_id(session_id)
+ if session:
+ self.db.delete(session)
+ self.db.commit()
--
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