This PR implements a robust WebSocket infrastructure using Socket.IO to deliver real-time updates for payment statuses and system notifications. This addresses issue #118 by eliminating the need for manual page refreshes and polling.
SocketServer.ts: Singleton class that initializes Socket.IO with JWT authentication middleware.RealTimeService.ts: Service layer wrapper to easily emit events from business logic (Payment/Billing services).- Room Management: Automatically joins authenticated users to private
user_{id}rooms.
useSocket.ts: Custom React hook handling connection lifecycle, auto-reconnection, and event subscription.RealTimeNotifications.tsx: Component that listens for socket events and displays toast notifications.
- ✅ Real-time Payment Confirmation: Users receive instant success/failure alerts.
- ✅ Secure Connections: Socket connections are authenticated via JWT.
- ✅ Auto-Reconnection: Resilient client that handles network interruptions.
- ✅ Type-Safe Events: Structured event payloads for consistency.
- Start the backend server.
- Log in to the frontend application.
- Initiate a payment transaction.
- Observe the toast notification appearing instantly upon completion without refreshing.
- User Experience: Significantly improved by providing immediate feedback.
- Performance: Reduced API traffic by removing client-side polling.
Closes #118