NLP Chatbot

An advanced NLP-based chatbot developed using Flask, integrated with a MySQL database, and enhanced with encryption for data security.

Table of Contents

• Features
• Installation
• Usage
• Dependencies
• Contribution
• License

Features

Flask Application

• The main server is set up using Flask.
• Configuration is managed through environment variables from values.env.

User Management

• User details are stored securely in a MySQL database.
• Passwords are hashed using bcrypt before storage, ensuring data security.
• Functions to insert users and retrieve users by username are encapsulated in controllers.py.

Database Operations

• Utilizes SQLAlchemy for Object-Relational Mapping (ORM).
• The User model is defined with attributes such as username, name, email, card_number, and password.
• Database connection and CRUD operations are managed in database.py.

Encryption

• Employs the cryptography library for robust encryption and decryption mechanisms.
• Public and private keys (public_key.pem and private_key.pem) are utilized for these operations.
• Functions for encryption and decryption are housed in security.py.

Installation

1. Clone the Repository:

   git clone https://github.com/Nik-code/nlp-chatbot.git
   cd nlp-chatbot
   

2. Dependencies: Install the required Python packages:

   pip install -r requirements.txt 
   

3. Environment Variables: Ensure your values.env file is set up with the necessary configurations:

• SECRET_KEY: Secret key for Flask.
• DB_HOST: Database host.
• DB_USER: Database user.
• DB_PASSWORD: Database password.
• DB_NAME: Database name.

Usage

Start the Flask server using the following command:

python main.py

By default, the server will run on port 6000. Navigate to http://localhost:6000 in your browser to access the chatbot.

Dependencies

The project relies on several Python packages for its functionality. Some of the primary dependencies include:

• Flask
• bcrypt
• cryptography
• SQLAlchemy ... and many more. Refer to requirements.txt for the complete list.

Contribution

Contributions are always welcome! Please fork the repository and submit a pull request with your changes.

License

This project is open-source and available under the MIT License.