派生自 rag-gateway
app/api/chat.py
@@ -268,6 +268,7 @@ return None return (f"/api/files/download/?agent_id={agent_id}&file_id={name}" f"&file_type={file_type}") if e_name: excel_url = build_file_url(e_name, 'excel') excel_name = e_name @@ -306,11 +307,10 @@ 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(): if agent.type == "imageTalk": token = settings.dify_api_token while True: image_list = [] is_image = False @@ -335,9 +335,8 @@ 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) async for rag_response in dify_service.chat(token, current_user.id, question, upload_file_id, conversation_id): try: if rag_response[:5] == "data:": # 如果是，则截取掉前5个字符，并去除首尾空白符 @@ -345,11 +344,8 @@ else: # 否则，保持原样 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"]: # 信息过滤 logger.error("非法数据--------------------") @@ -376,20 +372,17 @@ 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")) message={"role": "assistant", "content": {"answer": answer_str, "images": images_url}}, conversation_id=data.get( "conversation_id")) except Exception as e: logger.error("保存dify的会话异常！") logger.error(e) @@ -409,7 +402,119 @@ result = {"message": f"内部错误： {e2}", "type": "close"} await websocket.send_json(result) print(f"Error process message of ragflow: {e2}") elif agent.type == "reportWorkflow": print(2323333232) token = settings.dify_workflow_clean while True: receive_message = await websocket.receive_json() print(f"Received from client {chat_id}: {receive_message}") upload_files = receive_message.get('upload_files', []) title = receive_message.get('title', "") workflow_type = receive_message.get('workflow', 1) if not upload_files: await websocket.send_json({"message": "Invalid request", "type": "error"}) continue try: session = SessionService(db).create_session( chat_id, title, agent_id, AgentType.DIFY, current_user.id ) conversation_id = session.conversation_id except Exception as e: logger.error(e) inputs = { "input_files": [] } for file in upload_files: inputs["input_files"].append({ "type": "document", "transfer_method": "local_file", "url": "", "upload_file_id": file }) if workflow_type == 2: inputs["Completion_of_main_indicators"] = title token = settings.dify_workflow_report complete_response = "" async for rag_response in dify_service.workflow(token, current_user.id, inputs): print(rag_response) try: if rag_response[:5] == "data:": # 如果是，则截取掉前5个字符，并去除首尾空白符 complete_response = rag_response[5:].strip() elif "event: ping" in rag_response: continue else: # 否则，保持原样 complete_response += rag_response try: data = json.loads(complete_response) complete_response = "" if data.get("event") == "node_started" or data.get("event") == "node_finished": # "event": "message_end" if "data" not in data or not data["data"]: # 信息过滤 logger.error("非法数据--------------------") logger.error(data) continue else: # 正常输出 answer = data.get("data", "") if isinstance(answer, str): logger.error("----------------未知数据--------------------") logger.error(data) continue elif isinstance(answer, dict): message = answer.get("title", "") result = {"message": message, "type": "system"} elif data.get("event") == "workflow_finished": answer = data.get("data", "") if isinstance(answer, str): logger.error("----------------未知数据--------------------") logger.error(data) result = {"message": "", "type": "close", "download_url": ""} elif isinstance(answer, dict): download_url = "" outputs = answer.get("outputs", {}) if outputs: message = outputs.get("output", "") download_url = outputs.get("download_url", "") else: message = answer.get("error", "") result = {"message": message, "type": "close", "download_url": download_url} try: SessionService(db).update_session(chat_id, message={"role": "assistant", "content": { "answer": message, "download_url": download_url}}, conversation_id=data.get( "conversation_id")) except Exception as e: logger.error("保存dify的会话异常！") logger.error(e) await websocket.send_json(result) result = {"message": "", "type": "close", "download_url": ""} else: continue try: await websocket.send_json(result) except Exception as e: logger.error(e) logger.error("返回客户端消息异常!") 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"内部错误： {e2}", "type": "close"} await websocket.send_json(result) print(f"Error process message of ragflow: {e2}") # 启动任务处理客户端消息 tasks = [
