Whatsapp Web Clone Backend

You can find the user interface here : https://github.com/Theo-Fourniez/websocket-chat-app-frontend .
This project was made to learn Angular 16 and Spring boot 3. The goal was to create a app similar to WhatsApp Web.

Functionality

• Real time messaging (using websockets)
• Delayed messaging, for example when a user sends a message to another offline user (using HTTP requests)
• Receiving web push in browser notifications when receiving messages while the app is not opened (using push API and service workers)
• Adding friends

Dev environment

• IntelliJ IDEA
• Java 17
• H2 in memory database

Used references :

• https://simple-push-demo.vercel.app/ : to tinker with push notifications
• https://developer.mozilla.org/en-US/docs/Web/API/Push_API
• https://developer.mozilla.org/en-US/docs/Web/API/Notification
• https://angular.io/guide/service-worker-notifications