Chat Application with Offline Support & NLP A modern chat application built with React (or React Native) frontend, Node.js backend, real-time communication via WebSocket, offline support with IndexedDB and Service Workers, and AI-powered responses using DeepAI's GPT API.
Features Real-time chat with WebSocket Offline support using IndexedDB and Service Workers Background sync for queued messages NLP integration for smarter responses (via DeepAI GPT API) Persistent message storage with MongoDB Modular and scalable architecture Technologies Frontend: React / React Native Backend: Node.js, Express, Socket.io Database: MongoDB Offline Storage: IndexedDB Service Workers: Caching & Background Sync AI API: DeepAI GPT (via DeepAI or DeepAI API) Tools: Webpack, Babel, etc. Setup Instructions
- Clone the repository git clone https://github.com/yourusername/your-repo.git cd your-repo
- Backend Setup cd backend npm install 3.optional for open ai chatbot/ can skip if not necessary Create a .env file in /backend with your API keys and configs:OPENAI_API_KEY=your-openai-api-key MONGODB_URI=your-mongodb-connection-string PORT=4000 Start the backend server:npm start
- Frontend Setup cd ../frontend npm install Start the frontend:npm run start
Usage Launch the app on web or mobile. Enter messages in the input box. Messages are sent in real-time; offline messages are queued and synced automatically. The app uses AI to generate smarter responses based on user input. Offline mode allows message composition without internet; messages sync when back online.