From 8804c88450e4a1b6c8ab2ce1b433d073c4a9624d Mon Sep 17 00:00:00 2001
From: zhaoqingang <zhaoqg0118@163.com>
Date: 星期一, 25 十一月 2024 14:58:36 +0800
Subject: [PATCH] dify test

---
 app/api/chat.py |  215 ++++++++++++++++++++++++++++++++++++++++++++---------
 1 files changed, 178 insertions(+), 37 deletions(-)

diff --git a/app/api/chat.py b/app/api/chat.py
index 5e6f1da..6279b64 100644
--- a/app/api/chat.py
+++ b/app/api/chat.py
@@ -5,6 +5,8 @@
 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
@@ -12,6 +14,7 @@
 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.service_token import get_bisheng_token, get_ragflow_token
 from app.service.session import SessionService
@@ -47,7 +50,6 @@
         try:
             async def forward_to_ragflow():
                 while True:
-                    is_new = False
                     message = await websocket.receive_json()
                     print(f"Received from client {chat_id}: {message}")
                     chat_history = message.get('chatHistory', [])
@@ -55,7 +57,6 @@
                     if len(chat_history) == 0:
                         chat_history = await ragflow_service.get_session_history(token, chat_id)
                         if len(chat_history) == 0:
-                            is_new = True
                             chat_history = await ragflow_service.set_session(token, agent_id,
                                                                              message, chat_id, True)
                             # print("chat_history------------------------", chat_history)
@@ -101,8 +102,12 @@
                             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}")
-                    dialog_chat_history = await ragflow_service.get_session_history(token, chat_id, 1)
-                    await update_session_history(db, dialog_chat_history, current_user.id, is_new)
+                    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 = [
@@ -200,54 +205,190 @@
                             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")
-                SessionService(db).create_session(
-                    session_id=chat_id,
-                    name=question,
-                    agent_id=agent_id,
-                    agent_type=AgentType.BASIC
-                )
+                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":
 
-                service = BasicService(base_url=settings.basic_base_url)
-                async for result in service.excel_talk(question, chat_id):
                     try:
-                        if result[: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 = result[5:].strip()
-                        else:
-                            # 鍚﹀垯锛屼繚鎸佸師鏍�
-                            text = result
+                        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:
-                            data = json.loads(text)
-                            output = data.get("output", "")
-                            excel_name = data.get("excel_name", "")
-                            image_name = data.get("image_name", "")
-                            excel_url = None
-                            image_url = None
-                            if excel_name:
-                                excel_url = f"/api/files/download/?agent_id=basic_excel_talk&file_id={excel_name}&file_type=excel"
-                            if image_name:
-                                image_url = f"/api/files/download/?agent_id=basic_excel_talk&file_id={image_name}&file_type=image"
-                            result = {"message": output, "type": "message", "excel_url": excel_url, "image_url": image_url}
-                            await websocket.send_json(result | data)
-                        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"}
+                            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)
-                        print(f"Error process message of basic agent: {e2}")
+                    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:
+                    async for data in service.excel_talk(question, chat_id):
+                        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:
-            await websocket.send_json({"message": str(e), "type": "error"})
+            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:
+                    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):
+                                            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", "")
+                                        continue
+
+                                elif data.get("event") == "message_end":
+                                    result = {"message": answer_str, "type": "close"}
+                                    try:
+                                        SessionService(db).update_session(chat_id,
+                                                                          message={"role": "assistant", "content": data, "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)
+                                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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