zhaoqingang
2024-11-22 7a14bea3aa54e889524620efea074fa583e7de41
app/api/chat.py
@@ -49,7 +49,6 @@
        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', [])
@@ -57,7 +56,6 @@
                    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)
@@ -103,8 +101,12 @@
                            result = {"message": f"内部错误: {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("-----------------保存ragflow的历史会话异常-----------------")
            # 启动任务处理客户端消息
            tasks = [
@@ -231,14 +233,14 @@
                        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}
                        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("-----------------返回数据--------------------")
                        await websocket.send_json(result | data)
                        await websocket.send_json(result)
                    except Exception as e2:
                        result = {"message": f"内部错误: {e2}", "type": "close"}
@@ -247,43 +249,39 @@
                        await websocket.send_json(result)
                else:
                    async for result in service.excel_talk(question, chat_id):
                        try:
                            if result[:5] == "data:":
                                # 如果是,则截取掉前5个字符,并去除首尾空白符
                                text = result[5:].strip()
                            else:
                                # 否则,保持原样
                                text = result
                    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:
                                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}
                                try:
                                    SessionService(db).update_session(chat_id,
                                                                      message={"role": "assistant", "content": result})
                                except Exception as e:
                                    logger.error(e)
                                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"内部错误: {e2}", "type": "close"}
                            await websocket.send_json(result)
                            print(f"Error process message of basic agent: {e2}")
                                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}")
                        # 发送结果给客户端
                        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("----------------------------------------------fffffff")
            logger.error(e)
            print(e)
            await websocket.send_json({"message": "出现错误!", "type": "error"})
        finally:
            await websocket.close()