From 3cee1dd5768ae10d3834afd3294850af7d626633 Mon Sep 17 00:00:00 2001
From: zhangqian <zhangqian@123.com>
Date: 星期五, 18 十月 2024 10:17:57 +0800
Subject: [PATCH] fix

---
 app/api/chat.py |   87 +++++++++++++++++++++++++++----------------
 1 files changed, 55 insertions(+), 32 deletions(-)

diff --git a/app/api/chat.py b/app/api/chat.py
index 7667736..1e9218c 100644
--- a/app/api/chat.py
+++ b/app/api/chat.py
@@ -7,15 +7,13 @@
 from sqlalchemy.orm import Session
 from app.api import get_current_user_websocket
 from app.config.config import settings
+from app.models.agent_model import AgentModel, AgentType
 from app.models.base_model import get_db
 from app.models.user_model import UserModel
 from app.service.ragflow import RagflowService
 from app.service.token import get_bisheng_token, get_ragflow_token
 
 router = APIRouter()
-
-# 瀛樺偍瀹㈡埛绔� WebSocket 杩炴帴
-client_websockets = {}
 
 
 # 涓棿灞俉ebSocket 鏈嶅姟鍣紝鎺ユ敹瀹㈡埛绔殑杩炴帴
@@ -28,17 +26,18 @@
     await websocket.accept()
     print(f"Client {agent_id} connected")
 
-    if agent_id == "0":
-        agent_id = settings.bisheng_agent_id
-    elif agent_id == "1":
-        agent_id = settings.ragflow_agent_id
-        chat_id = settings.ragflow_chat_id
+    agent = db.query(AgentModel).filter(AgentModel.id == agent_id).first()
+    if not agent:
+        ret = {"message": "Agent not found", "type": "close"}
+        await websocket.send_json(ret)
+        return
+    agent_type = agent.agent_type
+    if chat_id == "" or chat_id == "0":
+        ret = {"message": "Chat ID not found", "type": "close"}
+        await websocket.send_json(ret)
+        return
 
-    if chat_id == "0":
-        chat_id = uuid.uuid4().hex
-
-    client_websockets[chat_id] = websocket
-    if agent_id == settings.ragflow_agent_id:
+    if agent_type == AgentType.RAGFLOW:
         ragflow_service = RagflowService(settings.ragflow_base_url)
         token = get_ragflow_token(db, current_user.id)
         try:
@@ -46,26 +45,53 @@
                 while True:
                     message = await websocket.receive_json()
                     print(f"Received from client {chat_id}: {message}")
-                    async for rag_response in ragflow_service.chat(token, chat_id, message["chatHistory"]):
+                    chat_history = message.get('chatHistory', [])
+                    message["role"] = "user"
+                    if len(chat_history) == 0:
+                        chat_history = await ragflow_service.get_session_history(token, chat_id)
+                        if len(chat_history) == 0:
+                            chat_history = await ragflow_service.set_session(token, agent_id,
+                                                                             message, chat_id, True)
+                            if len(chat_history) == 0:
+                                result = {"message": "鍐呴儴閿欒锛氬垱寤轰細璇濆け璐�", "type": "close"}
+                                await websocket.send_json(result)
+                                await websocket.close()
+                                return
+                        else:
+                            chat_history.append({
+                                "content": message["message"],
+                                "doc_ids": message.get("doc_ids", []),
+                                "role": "user"
+                            })
+                    async for rag_response in ragflow_service.chat(token, chat_id, chat_history):
                         try:
                             print(f"Received from ragflow: {rag_response}")
-                            json_str = rag_response[5:].strip()
-                            json_data = json.loads(json_str)
-                            data = json_data.get("data")
-                            if data is True:  # 瀹屾垚杈撳嚭
-                                result = {"message": "", "type": "close"}
-                            elif data is None:  # 鍙戠敓閿欒
-                                answer = json_data.get("retmsg", json_data.get("retcode"))
-                                result = {"message": "鍐呴儴閿欒锛�" + answer, "type": "stream"}
-                            else:  # 姝e父杈撳嚭
-                                answer = json_data.get("data", {}).get("answer", "")
-                                result = {"message": answer, "type": "stream"}
+                            if rag_response[:5] == "data:":
+                                # 濡傛灉鏄紝鍒欐埅鍙栨帀鍓�5涓瓧绗︼紝骞跺幓闄ら灏剧┖鐧界
+                                text = rag_response[5:].strip()
+                            else:
+                                # 鍚﹀垯锛屼繚鎸佸師鏍�
+                                text = rag_response
+                            try:
+                                json_data = json.loads(text)
+                                data = json_data.get("data")
+                                if data is True:  # 瀹屾垚杈撳嚭
+                                    result = {"message": "", "type": "close"}
+                                elif data is None:  # 鍙戠敓閿欒
+                                    answer = json_data.get("retmsg", json_data.get("retcode"))
+                                    result = {"message": "鍐呴儴閿欒锛�" + answer, "type": "stream"}
+                                else:  # 姝e父杈撳嚭
+                                    answer = data.get("answer", "")
+                                    result = {"message": answer, "type": "stream"}
+                            except json.JSONDecodeError:
+                                result = {"message": text, "type": "stream"}
                             await websocket.send_json(result)
                             print(f"Forwarded to client {chat_id}: {result}")
                         except Exception as e:
                             result = {"message": f"鍐呴儴閿欒锛� {e}", "type": "close"}
                             await websocket.send_json(result)
                             print(f"Error process message of ragflow: {e}")
+
             # 鍚姩浠诲姟澶勭悊瀹㈡埛绔秷鎭�
             tasks = [
                 asyncio.create_task(forward_to_ragflow())
@@ -73,10 +99,8 @@
             await asyncio.wait(tasks, return_when=asyncio.FIRST_COMPLETED)
         except WebSocketDisconnect:
             print(f"Client {chat_id} disconnected")
-        finally:
-            del client_websockets[chat_id]
 
-    else:
+    elif agent_type == AgentType.BISHENG:
         token = get_bisheng_token(db, current_user.id)
         service_uri = f"{settings.bisheng_websocket_url}/api/v1/assistant/chat/{agent_id}?t=&chat_id={chat_id}"
         headers = {'cookie': f"access_token_cookie={token};"}
@@ -133,7 +157,6 @@
 
             except WebSocketDisconnect:
                 print(f"Client {chat_id} disconnected")
-            finally:
-                del client_websockets[chat_id]
-
-
+    else:
+        ret = {"message": "Agent not found", "type": "close"}
+        await websocket.send_json(ret)

--
Gitblit v1.8.0