From 5580958d49e5aab48908000614e47ecb75ff4797 Mon Sep 17 00:00:00 2001
From: zhaoqingang <zhaoqg0118@163.com>
Date: 星期四, 28 十一月 2024 19:14:26 +0800
Subject: [PATCH] 智能数据问题优化

---
 app/api/chat.py |  118 ++++++++++++++++++++++++++++++++++++++++++----------------
 1 files changed, 85 insertions(+), 33 deletions(-)

diff --git a/app/api/chat.py b/app/api/chat.py
index 483a69a..f21f07c 100644
--- a/app/api/chat.py
+++ b/app/api/chat.py
@@ -1,4 +1,5 @@
 import json
+import re
 import uuid
 
 from fastapi import WebSocket, WebSocketDisconnect, APIRouter, Depends
@@ -250,7 +251,12 @@
                         await websocket.send_json(result)
 
                 else:
+                    message_data = {}
+                    logger.error("---------------------excel_talk-----------------------------")
+                    excel_url = ""
+                    image_url = ""
                     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", "")
@@ -260,27 +266,31 @@
                                 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}")
+                        if excel_name:
+                            excel_url = build_file_url(excel_name, 'excel')
+                        if image_name:
+                            image_url = build_file_url(image_name, 'image')
+                        if data["type"] == "message":
+                            message_data = {
+                                "content": output,
+                                "excel_url": excel_url,
+                                "image_url": image_url,
+                                "sql": data.get("sql", ""),
+                                "code": data.get("code", ""),
+                                "e": data.get("e", ""),
+                                "role": "assistant"}
+
                         # 鍙戦�佺粨鏋滅粰瀹㈡埛绔�
-                        data["type"] = "message"
+                        # data["type"] = "message"
                         data["message"] = output
                         data["excel_url"] = excel_url
                         data["image_url"] = image_url
                         await websocket.send_json(data)
+                    if message_data:
+                        try:
+                            SessionService(db).update_session(chat_id,message=message_data)
+                        except Exception as e:
+                            logger.error(f"Unexpected error when update_session: {e}")
         except Exception as e:
             logger.error(e)
             await websocket.send_json({"message": "鍑虹幇閿欒锛�", "type": "error"})
@@ -293,11 +303,15 @@
         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', [])
+                    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"})
@@ -313,30 +327,73 @@
                         conversation_id = session.conversation_id
                     except Exception as e:
                         logger.error(e)
-                    complete_response = ""
+                    # 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
-                                text = rag_response[5:].strip()
+                                complete_response = rag_response[5:].strip()
                             else:
                                 # 鍚﹀垯锛屼繚鎸佸師鏍�
-                                text = rag_response
-                            complete_response += text
+                                complete_response = rag_response
+                            # complete_response += text
                             try:
                                 data = json.loads(complete_response)
+                                complete_response = ""
                                 # data = json_data.get("data")
-                                if "answer" not in  data or not isinstance(data["answer"], dict):  # 淇℃伅杩囨护
-                                    continue
-                                else:  # 姝e父杈撳嚭
-                                    answer = data.get("answer", "")
+                                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)
 
-                                    result = {"message": answer, "type": "message"}
+                                        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": data, "conversation_id": data.get("conversation_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"![](/api/files/image/{data.get('id')})")
+                                    # result = {"message": answer_str, "type": "message"}
+                                    continue
+                                else:
+                                    continue
                                 await websocket.send_json(result)
                                 complete_response = ""
                             except json.JSONDecodeError as e:
@@ -346,12 +403,7 @@
                             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 = [

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