From 28f41fceef54144cf87eaedd18d09a5a8b9cd5e1 Mon Sep 17 00:00:00 2001
From: zhaoqingang <zhaoqg0118@163.com>
Date: 星期三, 27 十一月 2024 09:40:58 +0800
Subject: [PATCH] dify 多次对话问题
---
app/api/chat.py | 248 ++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 240 insertions(+), 8 deletions(-)
diff --git a/app/api/chat.py b/app/api/chat.py
index fdcb92a..7e85a8e 100644
--- a/app/api/chat.py
+++ b/app/api/chat.py
@@ -1,17 +1,24 @@
import json
+import re
import uuid
from fastapi import WebSocket, WebSocketDisconnect, APIRouter, Depends
import asyncio
import websockets
from sqlalchemy.orm import Session
+
+from Log import logger
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.dialog import update_session_history
+from app.service.basic import BasicService
+from app.service.difyService import DifyService
from app.service.ragflow import RagflowService
-from app.service.token import get_bisheng_token, get_ragflow_token
+from app.service.service_token import get_bisheng_token, get_ragflow_token
+from app.service.session import SessionService
router = APIRouter()
@@ -53,6 +60,7 @@
if len(chat_history) == 0:
chat_history = await ragflow_service.set_session(token, agent_id,
message, chat_id, True)
+ # print("chat_history------------------------", chat_history)
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)
@@ -64,6 +72,7 @@
"doc_ids": message.get("doc_ids", []),
"role": "user"
})
+ complete_response = ""
async for rag_response in ragflow_service.chat(token, chat_id, chat_history):
try:
if rag_response[:5] == "data:":
@@ -72,8 +81,9 @@
else:
# 鍚﹀垯锛屼繚鎸佸師鏍�
text = rag_response
+ complete_response += text
try:
- json_data = json.loads(text)
+ json_data = json.loads(complete_response)
data = json_data.get("data")
if data is True: # 瀹屾垚杈撳嚭
result = {"message": "", "type": "close"}
@@ -82,17 +92,24 @@
result = {"message": "鍐呴儴閿欒锛�" + answer, "type": "message"}
else: # 姝ｅ父杈撳嚭
answer = data.get("answer", "")
- reference = data.get("reference", "")
- result = {"message": answer, "type": "message", "reference": reference }
+ reference = data.get("reference", {})
+ result = {"message": answer, "type": "message", "reference": reference}
await websocket.send_json(result)
- except json.JSONDecodeError:
- print(f"Error decode ragflow response: {text}")
- pass
-
+ complete_response = ""
+ except json.JSONDecodeError as e:
+ print(f"Error decoding JSON: {e}")
+ # print(f"Response text: {text}")
except Exception as e2:
result = {"message": f"鍐呴儴閿欒锛� {e2}", "type": "close"}
await websocket.send_json(result)
print(f"Error process message of ragflow: {e2}")
+ try:
+ dialog_chat_history = await ragflow_service.get_session_history(token, chat_id, 1)
+ await update_session_history(db, dialog_chat_history, current_user.id)
+ except Exception as e:
+ logger.error(e)
+ logger.error("-----------------淇濆瓨ragflow鐨勫巻鍙蹭細璇濆紓甯�-----------------")
+
# 鍚姩浠诲姟澶勭悊瀹㈡埛绔秷鎭�
tasks = [
asyncio.create_task(forward_to_ragflow())
@@ -187,6 +204,221 @@
await task
except asyncio.CancelledError:
pass
+ elif agent_type == AgentType.BASIC:
+ try:
+ service = BasicService(base_url=settings.basic_base_url)
+ while True:
+ # 鎺ユ敹鍓嶇娑堟伅
+ message = await websocket.receive_json()
+ question = message.get("message")
+ try:
+ SessionService(db).create_session(
+ chat_id,
+ question,
+ agent_id,
+ AgentType.BASIC,
+ current_user.id
+ )
+ except Exception as e:
+ logger.error(e)
+ if not question:
+ await websocket.send_json({"message": "Invalid request", "type": "error"})
+ continue
+ logger.error(agent.type)
+ if agent.type == "questionTalk":
+
+ try:
+ data = await service.questions_talk(question, chat_id)
+ output = data.get("output", "")
+ file_name = data.get("filename", "")
+
+ excel_url = None
+ if file_name:
+ excel_url = f"/api/files/download/?agent_id=basic_question_talk&file_id={file_name}&file_type=word"
+ result = {"message": output, "type": "message", "file_url": excel_url, "file_name":file_name}
+ try:
+ SessionService(db).update_session(chat_id,
+ message={"role": "assistant", "content": result})
+ except Exception as e:
+ logger.error(e)
+ logger.error("-----------------杩斿洖鏁版嵁--------------------")
+ await websocket.send_json(result)
+ except Exception as e2:
+
+ result = {"message": f"鍐呴儴閿欒锛� {e2}", "type": "close"}
+ logger.error(str(e2))
+ logger.error(f"Error process message of basic chuti agent: {e2}")
+ await websocket.send_json(result)
+
+ else:
+ logger.error("---------------------excel_talk-----------------------------")
+ async for data in service.excel_talk(question, chat_id):
+ logger.error(data)
+ output = data.get("output", "")
+ excel_name = data.get("excel_name", "")
+ image_name = data.get("image_name", "")
+
+ def build_file_url(name, file_type):
+ if not name:
+ return None
+ return (f"/api/files/download/?agent_id={agent_id}&file_id={name}"
+ f"&file_type={file_type}")
+ excel_url = build_file_url(excel_name, 'excel')
+ image_url = build_file_url(image_name, 'image')
+ if excel_url or data.get("e", ""):
+ try:
+ SessionService(db).update_session(chat_id,
+ message={
+ "content": output,
+ "excel_url": excel_url,
+ "image_url": image_url,
+ "sql": data.get("sql", ""),
+ "code": data.get("code", ""),
+ "e": data.get("e", ""),
+ "role": "assistant"})
+ except Exception as e:
+ logger.error(f"Unexpected error when update_session: {e}")
+ # 鍙戦�佺粨鏋滅粰瀹㈡埛绔�
+ data["type"] = "message"
+ data["message"] = output
+ data["excel_url"] = excel_url
+ data["image_url"] = image_url
+ await websocket.send_json(data)
+ except Exception as e:
+ logger.error(e)
+ await websocket.send_json({"message": "鍑虹幇閿欒锛�", "type": "error"})
+ finally:
+ await websocket.close()
+ print(f"Client {agent_id} disconnected")
+ if agent_type == AgentType.DIFY:
+ dify_service = DifyService(settings.dify_base_url)
+ # token = get_dify_token(db, current_user.id)
+ token = settings.dify_api_token
+ try:
+ async def forward_to_dify():
+
+
+ while True:
+ image_list = []
+ is_image = False
+ conversation_id = ""
+ receive_message = await websocket.receive_json()
+ print(f"Received from client {chat_id}: {receive_message}")
+ upload_file_id = receive_message.get('upload_file_id', "")
+ question = receive_message.get('message', "")
+ if not question and not image_url:
+ await websocket.send_json({"message": "Invalid request", "type": "error"})
+ continue
+ try:
+ session = SessionService(db).create_session(
+ chat_id,
+ question,
+ agent_id,
+ AgentType.DIFY,
+ current_user.id
+ )
+ conversation_id = session.conversation_id
+ except Exception as e:
+ logger.error(e)
+ # complete_response = ""
+ answer_str = ""
+ async for rag_response in dify_service.chat(token, current_user.id, question, upload_file_id, conversation_id):
+ # print("=============================================")
+ # print(rag_response)
+ try:
+ 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
+ complete_response = rag_response[5:].strip()
+ else:
+ # 鍚﹀垯锛屼繚鎸佸師鏍�
+ complete_response = rag_response
+ # complete_response += text
+ try:
+ data = json.loads(complete_response)
+ complete_response = ""
+ # data = json_data.get("data")
+ if data.get("event") == "agent_message":# "event": "message_end"
+ if "answer" not in data or not data["answer"]: # 淇℃伅杩囨护
+ logger.error("闈炴硶鏁版嵁--------------------")
+ # logger.error(data)
+
+ continue
+ else: # 姝ｅ父杈撳嚭
+ answer = data.get("answer", "")
+ if isinstance(answer, str):
+ if "![](https://res.stepfun.com/" in answer and image_list:
+ is_image = True
+ pattern = r'!\[\] *\(https://res\.stepfun\.com/image_gen/[^)]+\)'
+ url_image = image_list.pop()
+ new_answer = re.sub(pattern, url_image, answer)
+ answer_str += new_answer
+ else:
+ answer_str += answer
+
+ elif isinstance(answer, dict):
+ logger.error("鏈煡鏁版嵁浣擄細0---------------------------------")
+ logger.error(answer)
+ answer_str += answer.get("action_input", "")
+
+ result = {"message": answer_str, "type": "message"}
+ elif data.get("event") == "message_end":
+ images_url = []
+ # res_msg = await dify_service.get_session_history(token, data.get("conversation_id"), str(current_user.id))
+ # if len(res_msg) > 0:
+ # message_files = res_msg[-1].get("message_files")
+ # for msg_file in message_files:
+ # await dify_service.save_images(msg_file.get("url"), msg_file.get("id")+".png")
+ # images_url.append(msg_file.get("id"))
+ # result = {"message": answer_str, "type": "close"} # , "message_files": images_url
+ if image_list and not is_image:
+ answer_str += image_list[-1]
+ result = {"message": answer_str,
+ "type": "close"} # , "message_files": images_url
+ try:
+ SessionService(db).update_session(chat_id,
+ message={"role": "assistant", "content": {"answer":answer_str, "images":images_url}},conversation_id=data.get("conversation_id"))
+ except Exception as e:
+ logger.error("淇濆瓨dify鐨勪細璇濆紓甯革紒")
+ logger.error(e)
+ elif data.get("event") == "message_file":
+ await dify_service.save_images(data.get("url"), data.get("id") + ".png")
+ image_list.append(f"})")
+ # result = {"message": answer_str, "type": "message"}
+ continue
+ else:
+ continue
+ await websocket.send_json(result)
+ complete_response = ""
+ except json.JSONDecodeError as e:
+ print(f"Error decoding JSON: {e}")
+ # print(f"Response text: {text}")
+ except Exception as e2:
+ result = {"message": f"鍐呴儴閿欒锛� {e2}", "type": "close"}
+ await websocket.send_json(result)
+ print(f"Error process message of ragflow: {e2}")
+
+
+ # 鍚姩浠诲姟澶勭悊瀹㈡埛绔秷鎭�
+ tasks = [
+ asyncio.create_task(forward_to_dify())
+ ]
+ await asyncio.wait(tasks, return_when=asyncio.FIRST_COMPLETED)
+ except WebSocketDisconnect as e1:
+ print(f"Client {chat_id} disconnected: {e1}")
+ await websocket.close()
+ except Exception as e:
+ print(f"Exception occurred: {e}")
+
+ finally:
+ print("Cleaning up resources of ragflow")
+ # 鍙栨秷鎵�鏈変换鍔�
+ for task in tasks:
+ if not task.done():
+ task.cancel()
+ try:
+ await task
+ except asyncio.CancelledError:
+ pass
else:
ret = {"message": "Agent not found", "type": "close"}
await websocket.send_json(ret)
--
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