refactor express to use routes

server/index.js

@@ -1,141 +1,27 @@
 const express = require('express');
 const dbConnect = require('../models/dbConnect');
-const { ask, titleConversation } = require('../app/chatgpt');
-const { saveMessage, getMessages, deleteMessages } = require('../models/Message');
-const { saveConvo, getConvos, deleteConvos, updateConvo } = require('../models/Conversation');
-const { savePrompt, getPrompts, deletePrompts } = require('../models/Prompt');
-const crypto = require('crypto');
 const path = require('path');
 const cors = require('cors');
+const routes = require('./routes');
 const app = express();
 const port = 3050;
+const projectPath = path.join(__dirname, '..');
+dbConnect().then(() => console.log('Connected to MongoDB'));
+
 app.use(cors());
 app.use(express.json());
-
-const projectPath = path.join(__dirname, '..');
 app.use(express.static(path.join(projectPath, 'public')));
 
-dbConnect().then((connection) => console.log('Connected to MongoDB'));
-
 app.get('/', function (req, res) {
   console.log(path.join(projectPath, 'public', 'index.html'));
   res.sendFile(path.join(projectPath, 'public', 'index.html'));
 });
 
-app.get('/convos', async (req, res) => {
-  res.status(200).send(await getConvos());
-});
-
-app.get('/prompts', async (req, res) => {
-  let filter = {};
-  // const { search } = req.body.arg;
-  // if (!!search) {
-  //   filter = { conversationId };
-  // }
-  res.status(200).send(await getPrompts(filter));
-});
-
-app.get('/messages/:conversationId', async (req, res) => {
-  const { conversationId } = req.params;
-  res.status(200).send(await getMessages({ conversationId }));
-});
-
-app.post('/clear_convos', async (req, res) => {
-  let filter = {};
-  const { conversationId } = req.body.arg;
-  if (!!conversationId) {
-    filter = { conversationId };
-  }
-
-  try {
-    const dbResponse = await deleteConvos(filter);
-    res.status(201).send(dbResponse);
-  } catch (error) {
-    console.error(error);
-    res.status(500).send(error);
-  }
-});
-
-app.post('/update_convo', async (req, res) => {
-  const update = req.body.arg;
-
-  try {
-    const dbResponse = await updateConvo(update);
-    res.status(201).send(dbResponse);
-  } catch (error) {
-    console.error(error);
-    res.status(500).send(error);
-  }
-});
-
-app.post('/ask', async (req, res) => {
-  const { text, parentMessageId, conversationId } = req.body;
-  if (!text.trim().includes(' ') && text.length < 5) {
-    res.status(500).write('Prompt empty or too short');
-    res.end();
-    return;
-  }
-
-  const userMessageId = crypto.randomUUID();
-  let userMessage = { id: userMessageId, sender: 'User', text };
-
-  console.log('initial ask log', userMessage);
-
-  res.writeHead(200, {
-    Connection: 'keep-alive',
-    'Content-Type': 'text/event-stream',
-    'Cache-Control': 'no-cache, no-transform',
-    'Access-Control-Allow-Origin': '*',
-    'X-Accel-Buffering': 'no'
-  });
-
-  try {
-    let i = 0;
-    const progressCallback = async (partial) => {
-      if (i === 0) {
-        userMessage.parentMessageId = parentMessageId ? parentMessageId : partial.id;
-        userMessage.conversationId = conversationId ? conversationId : partial.conversationId;
-        await saveMessage(userMessage);
-        res.write(
-          `event: message\ndata: ${JSON.stringify({ ...partial, initial: true })}\n\n`
-        );
-        i++;
-      }
-      const data = JSON.stringify({ ...partial, message: true });
-      res.write(`event: message\ndata: ${data}\n\n`);
-    };
-
-    let gptResponse = await ask(text, progressCallback, { parentMessageId, conversationId });
-    if (!!parentMessageId) {
-      gptResponse = { ...gptResponse, parentMessageId };
-    } else {
-      gptResponse.title = await titleConversation(text, gptResponse.text);
-    }
-
-    if (
-      (gptResponse.text.includes('2023') && !gptResponse.text.trim().includes(' ')) ||
-      gptResponse.text.toLowerCase().includes('no response') ||
-      gptResponse.text.toLowerCase().includes('no answer')
-    ) {
-      res.status(500).write('event: error\ndata: Prompt empty or too short');
-      res.end();
-      return;
-    }
-
-    gptResponse.sender = 'GPT';
-    await saveMessage(gptResponse);
-    await saveConvo(gptResponse);
-
-    res.write(`event: message\ndata: ${JSON.stringify(gptResponse)}\n\n`);
-    res.end();
-  } catch (error) {
-    console.log(error);
-    await deleteMessages({ id: userMessageId });
-    res.status(500).write('event: error\ndata: ' + error.message);
-    res.end();
-  }
-});
+app.use('/ask', routes.ask);
+app.use('/messages', routes.messages);
+app.use('/convos', routes.convos);
+app.use('/prompts', routes.prompts);
 
 app.listen(port, () => {
   console.log(`Server listening at http://localhost:${port}`);
-});
+});