index.js

const { Configuration, OpenAIApi } = require("openai");
const express = require("express");
const bodyParser = require("body-parser");
const cors = require("cors");
const configuration = new Configuration({
  organization: "org",
  Key: "key",
});
const openai = new OpenAIApi(configuration);

// cors-> help to send messages to and from different ports

// create an express api that calls the function above
const app = express();
app.use(bodyParser.json());
app.use(cors());

const port = 3080;

app.post("/", async (req, res) => {
  const { message, currentModel } = req.body;
  console.log(message, "message");
  const response = await openai.createCompletion({
    model: `${currentModel}`,
    prompt: `${message}`,
    max_tokens: 3000,
    temperature: 0.5,
  });
  //console.log()
  res.json({
    message: response.data.choices[0].text,
  });
});

app.listen(port, () => {
  console.log(`Example app listening at http:// localhost :${port}`);
});