From 30311881800e4840a13f13dd702b093543b2082e Mon Sep 17 00:00:00 2001 From: zhangxiao <898441624@qq.com> Date: 星期三, 16 十月 2024 15:00:07 +0800 Subject: [PATCH] Merge remote-tracking branch 'origin/master' --- app/api/chat.py | 160 +++++++++++++++++++++++++++++++++------------------- 1 files changed, 101 insertions(+), 59 deletions(-) diff --git a/app/api/chat.py b/app/api/chat.py index c7aa2da..80005f7 100644 --- a/app/api/chat.py +++ b/app/api/chat.py @@ -1,20 +1,19 @@ import json import uuid -from fastapi import WebSocket, WebSocketDisconnect, APIRouter, Request, Depends +from fastapi import WebSocket, WebSocketDisconnect, APIRouter, Depends import asyncio import websockets 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.token import get_bisheng_token +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 @@ -27,66 +26,109 @@ await websocket.accept() print(f"Client {agent_id} connected") - token = get_bisheng_token(db, current_user.id) + agent = db.query(AgentModel).filter(AgentModel.id == agent_id).first() + if not agent: + ret = {"message": "Agent not found", "type": "close"} + return websocket.send_json(ret) + agent_type = agent.agent_type + if chat_id == "" or chat_id == "0": + ret = {"message": "Chat ID not found", "type": "close"} + return websocket.send_json(ret) - if agent_id == "0": - agent_id = settings.bisheng_agent_id - if chat_id == "0": - chat_id = uuid.uuid4().hex - - # 杩炴帴鍒版湇鍔$ - 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};" - } - - async with websockets.connect(service_uri, extra_headers=headers) as service_websocket: - client_websockets[chat_id] = websocket - + if agent_type == AgentType.RAGFLOW: + ragflow_service = RagflowService(settings.ragflow_base_url) + token = get_ragflow_token(db, current_user.id) try: - # 澶勭悊瀹㈡埛绔彂鏉ョ殑娑堟伅 - async def forward_to_service(): + async def forward_to_ragflow(): while True: message = await websocket.receive_json() print(f"Received from client {chat_id}: {message}") - # 娣诲姞 'agent_id' 鍜� 'chat_id' 瀛楁 - message['flow_id'] = agent_id - message['chat_id'] = chat_id - msg = message["message"] - del message["message"] - message['inputs'] = { - "data": {"chatId": chat_id, "id": agent_id, "type": "assistant"}, - "input": msg - } - await service_websocket.send(json.dumps(message)) - print(f"Forwarded to bisheng: {message}") - - - # 鐩戝惉姣曟槆鍙戞潵鐨勬秷鎭苟杞彂缁欏鎴风 - async def forward_to_client(): - while True: - message = await service_websocket.recv() - print(f"Received from service S: {message}") - await websocket.send_text(message) - print(f"Forwarded to client {chat_id}: {message}") - - # 鍚姩涓や釜浠诲姟锛屽垎鍒鐞嗗鎴风鍜屾湇鍔$鐨勬秷鎭� + async for rag_response in ragflow_service.chat(token, chat_id, message["chatHistory"]): + 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"} + 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_service()), - asyncio.create_task(forward_to_client()) + asyncio.create_task(forward_to_ragflow()) ] - - done, pending = await asyncio.wait(tasks, return_when=asyncio.FIRST_COMPLETED) - - # 鍙栨秷鏈畬鎴愮殑浠诲姟 - for task in pending: - task.cancel() - try: - await task - except asyncio.CancelledError: - pass - + await asyncio.wait(tasks, return_when=asyncio.FIRST_COMPLETED) except WebSocketDisconnect: print(f"Client {chat_id} disconnected") - finally: - del client_websockets[chat_id] + + 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};"} + + async with websockets.connect(service_uri, extra_headers=headers) as service_websocket: + + try: + # 澶勭悊瀹㈡埛绔彂鏉ョ殑娑堟伅 + async def forward_to_service(): + while True: + message = await websocket.receive_json() + print(f"Received from client, {chat_id}: {message}") + # 娣诲姞 'agent_id' 鍜� 'chat_id' 瀛楁 + message['flow_id'] = agent_id + message['chat_id'] = chat_id + msg = message["message"] + del message["message"] + message['inputs'] = { + "data": {"chatId": chat_id, "id": agent_id, "type": "assistant"}, + "input": msg + } + await service_websocket.send(json.dumps(message)) + print(f"Forwarded to bisheng: {message}") + + # 鐩戝惉姣曟槆鍙戞潵鐨勬秷鎭苟杞彂缁欏鎴风 + async def forward_to_client(): + while True: + message = await service_websocket.recv() + print(f"Received from bisheng: {message}") + data = json.loads(message) + if data["type"] == "close" or data["type"] == "stream" or data["type"] == "end_cover": + if data["type"] == "close": + t = "close" + else: + t = "stream" + result = {"message": data["message"], "type": t} + await websocket.send_json(result) + print(f"Forwarded to client, {chat_id}: {result}") + + # 鍚姩涓や釜浠诲姟锛屽垎鍒鐞嗗鎴风鍜屾湇鍔$鐨勬秷鎭� + tasks = [ + asyncio.create_task(forward_to_service()), + asyncio.create_task(forward_to_client()) + ] + done, pending = await asyncio.wait(tasks, return_when=asyncio.FIRST_COMPLETED) + + # 鍙栨秷鏈畬鎴愮殑浠诲姟 + for task in pending: + task.cancel() + try: + await task + except asyncio.CancelledError: + pass + + except WebSocketDisconnect: + print(f"Client {chat_id} disconnected") + else: + ret = {"message": "Agent not found", "type": "close"} + return websocket.send_json(ret) + -- Gitblit v1.8.0