AI QA (OpenAI)

You can use this nodejs class to load a PDF, extract its text and get OpenAI Embeddings. Then, you can create a chatbot that can answer questions about the PDF.

Requirements

nodejs / npm (like 19+)
OpenAI API KEY

Installation

Install the npm modules

npm install langchain chromadb @dqbd/tiktoken pdf-parse

Install chromadb

git clone https://github.com/chroma-core/chroma

Go in the chroma folder

cd chroma

Run docker build

docker-compose up -d --build

What you get

You get a class called AIQA which loads a PDF and can be asked questions with a query method. It can be used like this:

import AIQA from "./aiqa.js";

const KEY = "sk-...";
const CHUNK_SIZE = 800;
const DOC = "example.pdf";

(async function() {

  let aiqa = await new AIQA(KEY, CHUNK_SIZE, DOC);
  let history="";

  let result = await aiqa.query("What do you know about this?",history);
  console.dir(result.text);
})();

Example

You can use bot.js which is a telegram bot example. You just need to put your keys and a path to a PDF file.

Also, make sure you install the npm.

npm install node-telegram-bot-api

What can you use this for

Chat Bot (Telegram, Slack, IRC, Webpage, etc.)
?

Copyright

MIT Licensed.