ChatBotModelAPI

This is a RESTful API that serves as an integration layer for a BERT-based Python chatbot. It allows clients to send user messages and receive AI-generated responses using the BERT NLP model.

Features

• Accepts user messages via HTTP requests
• Communicates with the BERT-based chatbot model
• Returns AI-generated responses
• Implements JWT authentication for secure API access

Technologies Used

• .NET Core Web API (C#)
• Entity Framework Core (for database operations)
• JWT Authentication (for secure access)
• Python & BERT NLP Model (for chatbot responses)
• PostgreSQL / SQL Server (for message storage)

Prerequisites

Ensure you have the following installed:

• .NET 7 or later
• Python 3.8+
• PostgreSQL or SQL Server (if using a database)
• Docker (optional, for containerization)

Setup Instructions

1. Clone the Repository

git clone https://github.com/yourusername/ChatBotModelAPI.git
cd ChatBotModelAPI

2. Configure Environment Variables

Create an .env file in the project root:

JWT_SECRET=your_jwt_secret_key
BERT_API_URL=http://localhost:5001/api/chatbot
DATABASE_CONNECTION_STRING=your_database_connection_string

3. Install Dependencies

dotnet restore

4. Run Database Migrations (if applicable)

dotnet ef database update

5. Start the API

dotnet run

The API will be available at http://localhost:5000.

API Endpoints

1. Send a Chat Message

POST /api/chat/send

Description: Sends a user message to the chatbot and returns a response.

Request Body:

{
  "content": "Hello, how are you?"
}

Response:

{
  "response": "I'm just a bot, but I'm doing great! How can I help?"
}

2. User Authentication

POST /api/auth/login

Authenticate and receive a JWT token.

Request Body:

{
  "username": "user123",
  "password": "securepassword"
}

Response:

{
  "token": "your_jwt_token"
}

3. Retrieve Chat History

GET /api/chat/history

Headers:

Authorization: Bearer your_jwt_token

Response:

[
  { "content": "Hello!", "response": "Hi there!" },
  { "content": "What's your name?", "response": "I'm a chatbot powered by BERT!" }
]

Running with Docker

docker build -t chatbot-api .
docker run -p 5000:5000 --env-file .env chatbot-api

Contributing

Feel free to open a PR or issue for any improvements!

License

This project is licensed under the MIT License.