This Node.js project integrates with Google's Dialogflow API to handle chat requests and perform search operations in various file types including PDF, CSV, JSON and TXT files.

Features

• File upload functionality with multer.
• File processing and text extraction for PDF, CSV, JSON, and TXT files.
• Natural Language Processing through Dialogflow for understanding user chat requests.
• Search functionality in file contents based on the detected intent.

Setup
Clone the repository to your local machine.

Install the required npm modules by running the following command in your terminal:
- npm install

Replace the placeholder values in the code with your actual Dialogflow projectId, privateKey path, and client_email.

Run the application:
- node app.js

Usage
Make a POST request to /chat endpoint with a file and a message in the body of the request.