🚤 refactor: Optimize Request Lifecycle Speeds (#3222)

* refactor: optimize backend operations for client requests

* fix: message styling

* refactor: Improve handleKeyUp logic in StreamRunManager.js and handleText.js

* refactor: Improve handleKeyUp logic in StreamRunManager.js and handleText.js

* fix: clear new convo messages on clear all convos

* fix: forgot to pass userId to getConvo

* refactor: update getPartialText to send basePayload.text

api/app/clients/BaseClient.js

@@ -1,7 +1,7 @@
 const crypto = require('crypto');
 const fetch = require('node-fetch');
 const { supportsBalanceCheck, Constants } = require('librechat-data-provider');
-const { getConvo, getMessages, saveMessage, updateMessage, saveConvo } = require('~/models');
+const { getMessages, saveMessage, updateMessage, saveConvo } = require('~/models');
 const { addSpaceIfNeeded, isEnabled } = require('~/server/utils');
 const checkBalance = require('~/models/checkBalance');
 const { getFiles } = require('~/models/File');
@@ -23,6 +23,10 @@ class BaseClient {
     this.skipSaveConvo = false;
     /** @type {boolean} */
     this.skipSaveUserMessage = false;
+    /** @type {ClientDatabaseSavePromise} */
+    this.userMessagePromise;
+    /** @type {ClientDatabaseSavePromise} */
+    this.responsePromise;
   }
 
   setOptions() {
@@ -481,7 +485,12 @@ class BaseClient {
     }
 
     if (!isEdited && !this.skipSaveUserMessage) {
-      await this.saveMessageToDatabase(userMessage, saveOptions, user);
+      this.userMessagePromise = this.saveMessageToDatabase(userMessage, saveOptions, user);
+      if (typeof opts?.getReqData === 'function') {
+        opts.getReqData({
+          userMessagePromise: this.userMessagePromise,
+        });
+      }
     }
 
     if (
@@ -530,15 +539,11 @@ class BaseClient {
       const completionTokens = this.getTokenCount(completion);
       await this.recordTokenUsage({ promptTokens, completionTokens });
     }
-    await this.saveMessageToDatabase(responseMessage, saveOptions, user);
+    this.responsePromise = this.saveMessageToDatabase(responseMessage, saveOptions, user);
     delete responseMessage.tokenCount;
     return responseMessage;
   }
 
-  async getConversation(conversationId, user = null) {
-    return await getConvo(user, conversationId);
-  }
-
   async loadHistory(conversationId, parentMessageId = null) {
     logger.debug('[BaseClient] Loading history:', { conversationId, parentMessageId });
 
@@ -593,7 +598,7 @@ class BaseClient {
    * @param {string | null} user
    */
   async saveMessageToDatabase(message, endpointOptions, user = null) {
-    await saveMessage({
+    const savedMessage = await saveMessage({
       ...message,
       endpoint: this.options.endpoint,
       unfinished: false,
@@ -601,14 +606,16 @@ class BaseClient {
     });
 
     if (this.skipSaveConvo) {
-      return;
+      return { message: savedMessage };
     }
-    await saveConvo(user, {
+    const conversation = await saveConvo(user, {
       conversationId: message.conversationId,
       endpoint: this.options.endpoint,
       endpointType: this.options.endpointType,
       ...endpointOptions,
     });
+
+    return { message: savedMessage, conversation };
   }
 
   async updateMessageInDatabase(message) {

api/app/clients/PluginsClient.js

@@ -238,7 +238,7 @@ class PluginsClient extends OpenAIClient {
       await this.recordTokenUsage(responseMessage);
     }
 
-    await this.saveMessageToDatabase(responseMessage, saveOptions, user);
+    this.responsePromise = this.saveMessageToDatabase(responseMessage, saveOptions, user);
     delete responseMessage.tokenCount;
     return { ...responseMessage, ...result };
   }
@@ -303,7 +303,12 @@ class PluginsClient extends OpenAIClient {
     }
 
     if (!this.skipSaveUserMessage) {
-      await this.saveMessageToDatabase(userMessage, saveOptions, user);
+      this.userMessagePromise = this.saveMessageToDatabase(userMessage, saveOptions, user);
+      if (typeof opts?.getReqData === 'function') {
+        opts.getReqData({
+          userMessagePromise: this.userMessagePromise,
+        });
+      }
     }
 
     if (isEnabled(process.env.CHECK_BALANCE)) {

api/models/Conversation.js

@@ -30,7 +30,7 @@ module.exports = {
       return await Conversation.findOneAndUpdate({ conversationId: conversationId, user }, update, {
         new: true,
         upsert: true,
-      });
+      }).lean();
     } catch (error) {
       logger.error('[saveConvo] Error saving conversation', error);
       return { message: 'Error saving conversation' };

api/models/Message.js

@@ -57,18 +57,11 @@ module.exports = {
       if (files) {
         update.files = files;
       }
-      // may also need to update the conversation here
-      await Message.findOneAndUpdate({ messageId }, update, { upsert: true, new: true });
 
-      return {
-        messageId,
-        conversationId,
-        parentMessageId,
-        sender,
-        text,
-        isCreatedByUser,
-        tokenCount,
-      };
+      return await Message.findOneAndUpdate({ messageId }, update, {
+        upsert: true,
+        new: true,
+      }).lean();
     } catch (err) {
       logger.error('Error saving message:', err);
       throw new Error('Failed to save message.');

api/server/controllers/AskController.js

@@ -2,7 +2,7 @@ const throttle = require('lodash/throttle');
 const { getResponseSender, Constants, EModelEndpoint } = require('librechat-data-provider');
 const { createAbortController, handleAbortError } = require('~/server/middleware');
 const { sendMessage, createOnProgress } = require('~/server/utils');
-const { saveMessage, getConvo } = require('~/models');
+const { saveMessage } = require('~/models');
 const { logger } = require('~/config');
 
 const AskController = async (req, res, next, initializeClient, addTitle) => {
@@ -18,6 +18,7 @@ const AskController = async (req, res, next, initializeClient, addTitle) => {
   logger.debug('[AskController]', { text, conversationId, ...endpointOption });
 
   let userMessage;
+  let userMessagePromise;
   let promptTokens;
   let userMessageId;
   let responseMessageId;
@@ -34,6 +35,8 @@ const AskController = async (req, res, next, initializeClient, addTitle) => {
       if (key === 'userMessage') {
         userMessage = data[key];
         userMessageId = data[key].messageId;
+      } else if (key === 'userMessagePromise') {
+        userMessagePromise = data[key];
       } else if (key === 'responseMessageId') {
         responseMessageId = data[key];
       } else if (key === 'promptTokens') {
@@ -74,6 +77,7 @@ const AskController = async (req, res, next, initializeClient, addTitle) => {
     const getAbortData = () => ({
       sender,
       conversationId,
+      userMessagePromise,
       messageId: responseMessageId,
       parentMessageId: overrideParentMessageId ?? userMessageId,
       text: getPartialText(),
@@ -121,7 +125,7 @@ const AskController = async (req, res, next, initializeClient, addTitle) => {
 
     response.endpoint = endpointOption.endpoint;
 
-    const conversation = await getConvo(user, conversationId);
+    const { conversation = {} } = await client.responsePromise;
     conversation.title =
       conversation && !conversation.title ? null : conversation?.title || 'New Chat';
 

api/server/controllers/EditController.js

@@ -2,7 +2,7 @@ const throttle = require('lodash/throttle');
 const { getResponseSender, EModelEndpoint } = require('librechat-data-provider');
 const { createAbortController, handleAbortError } = require('~/server/middleware');
 const { sendMessage, createOnProgress } = require('~/server/utils');
-const { saveMessage, getConvo } = require('~/models');
+const { saveMessage } = require('~/models');
 const { logger } = require('~/config');
 
 const EditController = async (req, res, next, initializeClient) => {
@@ -27,6 +27,7 @@ const EditController = async (req, res, next, initializeClient) => {
   });
 
   let userMessage;
+  let userMessagePromise;
   let promptTokens;
   const sender = getResponseSender({
     ...endpointOption,
@@ -40,6 +41,8 @@ const EditController = async (req, res, next, initializeClient) => {
     for (let key in data) {
       if (key === 'userMessage') {
         userMessage = data[key];
+      } else if (key === 'userMessagePromise') {
+        userMessagePromise = data[key];
       } else if (key === 'responseMessageId') {
         responseMessageId = data[key];
       } else if (key === 'promptTokens') {
@@ -73,6 +76,7 @@ const EditController = async (req, res, next, initializeClient) => {
 
   const getAbortData = () => ({
     conversationId,
+    userMessagePromise,
     messageId: responseMessageId,
     sender,
     parentMessageId: overrideParentMessageId ?? userMessageId,
@@ -120,7 +124,7 @@ const EditController = async (req, res, next, initializeClient) => {
       },
     });
 
-    const conversation = await getConvo(user, conversationId);
+    const { conversation = {} } = await client.responsePromise;
     conversation.title =
       conversation && !conversation.title ? null : conversation?.title || 'New Chat';
 

api/server/middleware/abortMiddleware.js

@@ -1,9 +1,9 @@
 const { isAssistantsEndpoint } = require('librechat-data-provider');
 const { sendMessage, sendError, countTokens, isEnabled } = require('~/server/utils');
 const { truncateText, smartTruncateText } = require('~/app/clients/prompts');
-const { saveMessage, getConvo, getConvoTitle } = require('~/models');
 const clearPendingReq = require('~/cache/clearPendingReq');
 const abortControllers = require('./abortControllers');
+const { saveMessage, getConvo } = require('~/models');
 const spendTokens = require('~/models/spendTokens');
 const { abortRun } = require('./abortRun');
 const { logger } = require('~/config');
@@ -90,7 +90,8 @@ const createAbortController = (req, res, getAbortData, getReqData) => {
 
   abortController.abortCompletion = async function () {
     abortController.abort();
-    const { conversationId, userMessage, promptTokens, ...responseData } = getAbortData();
+    const { conversationId, userMessage, userMessagePromise, promptTokens, ...responseData } =
+      getAbortData();
     const completionTokens = await countTokens(responseData?.text ?? '');
     const user = req.user.id;
 
@@ -114,10 +115,20 @@ const createAbortController = (req, res, getAbortData, getReqData) => {
 
     saveMessage({ ...responseMessage, user });
 
+    let conversation;
+    if (userMessagePromise) {
+      const resolved = await userMessagePromise;
+      conversation = resolved?.conversation;
+    }
+
+    if (!conversation) {
+      conversation = await getConvo(req.user.id, conversationId);
+    }
+
     return {
-      title: await getConvoTitle(user, conversationId),
+      title: conversation && !conversation.title ? null : conversation?.title || 'New Chat',
       final: true,
-      conversation: await getConvo(user, conversationId),
+      conversation,
       requestMessage: userMessage,
       responseMessage: responseMessage,
     };

api/server/middleware/validateMessageReq.js

@@ -1,4 +1,4 @@
-const { getConvo } = require('../../models');
+const { getConvo } = require('~/models');
 
 // Middleware to validate conversationId and user relationship
 const validateMessageReq = async (req, res, next) => {

api/server/routes/ask/gptPlugins.js

@@ -2,9 +2,9 @@ const express = require('express');
 const throttle = require('lodash/throttle');
 const { getResponseSender, Constants } = require('librechat-data-provider');
 const { initializeClient } = require('~/server/services/Endpoints/gptPlugins');
-const { saveMessage, getConvoTitle, getConvo } = require('~/models');
 const { sendMessage, createOnProgress } = require('~/server/utils');
 const { addTitle } = require('~/server/services/Endpoints/openAI');
+const { saveMessage } = require('~/models');
 const {
   handleAbort,
   createAbortController,
@@ -41,6 +41,7 @@ router.post(
     logger.debug('[/ask/gptPlugins]', { text, conversationId, ...endpointOption });
 
     let userMessage;
+    let userMessagePromise;
     let promptTokens;
     let userMessageId;
     let responseMessageId;
@@ -58,6 +59,8 @@ router.post(
         if (key === 'userMessage') {
           userMessage = data[key];
           userMessageId = data[key].messageId;
+        } else if (key === 'userMessagePromise') {
+          userMessagePromise = data[key];
         } else if (key === 'responseMessageId') {
           responseMessageId = data[key];
         } else if (key === 'promptTokens') {
@@ -151,6 +154,7 @@ router.post(
     const getAbortData = () => ({
       sender,
       conversationId,
+      userMessagePromise,
       messageId: responseMessageId,
       parentMessageId: overrideParentMessageId ?? userMessageId,
       text: getPartialText(),
@@ -207,10 +211,14 @@ router.post(
       response.plugins = plugins.map((p) => ({ ...p, loading: false }));
       await saveMessage({ ...response, user });
 
+      const { conversation = {} } = await client.responsePromise;
+      conversation.title =
+        conversation && !conversation.title ? null : conversation?.title || 'New Chat';
+
       sendMessage(res, {
-        title: await getConvoTitle(user, conversationId),
+        title: conversation.title,
         final: true,
-        conversation: await getConvo(user, conversationId),
+        conversation,
         requestMessage: userMessage,
         responseMessage: response,
       });

api/server/routes/edit/gptPlugins.js

@@ -13,7 +13,7 @@ const {
 } = require('~/server/middleware');
 const { sendMessage, createOnProgress, formatSteps, formatAction } = require('~/server/utils');
 const { initializeClient } = require('~/server/services/Endpoints/gptPlugins');
-const { saveMessage, getConvoTitle, getConvo } = require('~/models');
+const { saveMessage } = require('~/models');
 const { validateTools } = require('~/app');
 const { logger } = require('~/config');
 
@@ -49,6 +49,7 @@ router.post(
     });
 
     let userMessage;
+    let userMessagePromise;
     let promptTokens;
     const sender = getResponseSender({
       ...endpointOption,
@@ -68,6 +69,8 @@ router.post(
       for (let key in data) {
         if (key === 'userMessage') {
           userMessage = data[key];
+        } else if (key === 'userMessagePromise') {
+          userMessagePromise = data[key];
         } else if (key === 'responseMessageId') {
           responseMessageId = data[key];
         } else if (key === 'promptTokens') {
@@ -119,6 +122,7 @@ router.post(
     const getAbortData = () => ({
       sender,
       conversationId,
+      userMessagePromise,
       messageId: responseMessageId,
       parentMessageId: overrideParentMessageId ?? userMessageId,
       text: getPartialText(),
@@ -179,10 +183,14 @@ router.post(
       response.plugin = { ...plugin, loading: false };
       await saveMessage({ ...response, user });
 
+      const { conversation = {} } = await client.responsePromise;
+      conversation.title =
+        conversation && !conversation.title ? null : conversation?.title || 'New Chat';
+
       sendMessage(res, {
-        title: await getConvoTitle(user, conversationId),
+        title: conversation.title,
         final: true,
-        conversation: await getConvo(user, conversationId),
+        conversation,
         requestMessage: userMessage,
         responseMessage: response,
       });

api/server/services/Runs/StreamRunManager.js

@@ -427,7 +427,7 @@ class StreamRunManager {
 
       const toolCallDelta = toolCall[toolCall.type];
       const progressCallback = this.progressCallbacks.get(stepKey);
-      await progressCallback(toolCallDelta);
+      progressCallback(toolCallDelta);
     }
   }
 

api/server/utils/handleText.js

@@ -12,33 +12,35 @@ const citationRegex = /\[\^\d+?\^]/g;
 
 const addSpaceIfNeeded = (text) => (text.length > 0 && !text.endsWith(' ') ? text + ' ' : text);
 
+const base = { message: true, initial: true };
 const createOnProgress = ({ generation = '', onProgress: _onProgress }) => {
   let i = 0;
   let tokens = addSpaceIfNeeded(generation);
 
-  const progressCallback = async (partial, { res, text, bing = false, ...rest }) => {
+  const basePayload = Object.assign({}, base, { text: tokens || '' });
+
+  const progressCallback = (partial, { res, text, ...rest }) => {
     let chunk = partial === text ? '' : partial;
-    tokens += chunk;
-    tokens = tokens.replaceAll('[DONE]', '');
+    basePayload.text = basePayload.text + chunk;
 
-    if (bing) {
-      tokens = citeText(tokens, true);
+    const payload = Object.assign({}, basePayload, rest);
+    sendMessage(res, payload);
+    if (_onProgress) {
+      _onProgress(payload);
+    }
+    if (i === 0) {
+      basePayload.initial = false;
     }
-
-    const payload = { text: tokens, message: true, initial: i === 0, ...rest };
-    sendMessage(res, { ...payload, text: tokens });
-    _onProgress && _onProgress(payload);
     i++;
   };
 
   const sendIntermediateMessage = (res, payload, extraTokens = '') => {
-    tokens += extraTokens;
-    sendMessage(res, {
-      text: tokens?.length === 0 ? '' : tokens,
-      message: true,
-      initial: i === 0,
-      ...payload,
-    });
+    basePayload.text = basePayload.text + extraTokens;
+    const message = Object.assign({}, basePayload, payload);
+    sendMessage(res, message);
+    if (i === 0) {
+      basePayload.initial = false;
+    }
     i++;
   };
 
@@ -47,7 +49,7 @@ const createOnProgress = ({ generation = '', onProgress: _onProgress }) => {
   };
 
   const getPartialText = () => {
-    return tokens;
+    return basePayload.text;
   };
 
   return { onProgress, getPartialText, sendIntermediateMessage };

api/typedefs.js

@@ -1442,3 +1442,10 @@
  * @typedef {import('librechat-data-provider').TForkConvoRequest} TForkConvoRequest
  * @memberof typedefs
  */
+
+/** Clients */
+
+/**
+ * @typedef {Promise<{ message: TMessage, conversation: TConversation }> | undefined} ClientDatabaseSavePromise
+ * @memberof typedefs
+ */

client/src/components/Chat/Messages/ui/MessageRender.tsx

@@ -122,7 +122,7 @@ const MessageRender = React.memo(
             </div>
           </div>
           {!msg?.children?.length && (isSubmittingFamily || isSubmitting) ? (
-            <PlaceholderRow isLast={isLast} isCard={isCard} />
+            <PlaceholderRow isCard={isCard} />
           ) : (
             <SubRow classes="text-xs">
               <SiblingSwitch

client/src/components/Chat/Messages/ui/PlaceholderRow.tsx

@@ -1,12 +1,9 @@
 import { memo } from 'react';
 
-const PlaceholderRow = memo(({ isLast, isCard }: { isLast: boolean; isCard?: boolean }) => {
+const PlaceholderRow = memo(({ isCard }: { isCard?: boolean }) => {
   if (!isCard) {
     return null;
   }
-  if (!isLast) {
-    return null;
-  }
   return <div className="mt-1 h-[27px] bg-transparent" />;
 });
 

client/src/components/Nav/ClearConvos.tsx

@@ -1,9 +1,9 @@
 import { useState } from 'react';
-import { Dialog } from '~/components/ui/';
-import DialogTemplate from '~/components/ui/DialogTemplate';
-import { ClearChatsButton } from './SettingsTabs/';
 import { useClearConversationsMutation } from 'librechat-data-provider/react-query';
 import { useLocalize, useConversation, useConversations } from '~/hooks';
+import DialogTemplate from '~/components/ui/DialogTemplate';
+import { ClearChatsButton } from './SettingsTabs';
+import { Dialog } from '~/components/ui';
 
 const ClearConvos = ({ open, onOpenChange }) => {
   const { newConversation } = useConversation();

client/src/hooks/Conversations/useConversation.ts

@@ -1,5 +1,7 @@
 import { useCallback } from 'react';
 import { useNavigate } from 'react-router-dom';
+import { QueryKeys } from 'librechat-data-provider';
+import { useQueryClient } from '@tanstack/react-query';
 import { useSetRecoilState, useResetRecoilState, useRecoilCallback } from 'recoil';
 import { useGetEndpointsQuery, useGetModelsQuery } from 'librechat-data-provider/react-query';
 import type {
@@ -15,6 +17,7 @@ import store from '~/store';
 
 const useConversation = () => {
   const navigate = useNavigate();
+  const queryClient = useQueryClient();
   const setConversation = useSetRecoilState(store.conversation);
   const resetLatestMessage = useResetRecoilState(store.latestMessage);
   const setMessages = useSetRecoilState<TMessagesAtom>(store.messages);
@@ -59,6 +62,7 @@ const useConversation = () => {
         resetLatestMessage();
 
         if (conversation.conversationId === 'new' && !modelsData) {
+          queryClient.invalidateQueries([QueryKeys.messages, 'new']);
           navigate('/c/new');
         }
       },