Files
spotlightcam/frontend
Radosław Gierwiało 9d8fc9f6d6 feat: add chat message history and infinite scroll
Backend changes:
- Socket.IO: Send last 20 messages on join_event_room
- REST API: Add GET /api/events/:eventId/messages endpoint with pagination
- Support for 'before' cursor-based pagination for loading older messages

Frontend changes:
- Load initial 20 messages when joining event chat
- Implement infinite scroll to load older messages on scroll to top
- Add loading indicator for older messages
- Preserve scroll position when loading older messages
- Add eventsAPI.getMessages() function for pagination

User experience:
- New users see last 20 messages immediately
- Scrolling up automatically loads older messages in batches of 20
- Smooth scrolling experience with position restoration

Note: Messages are encrypted in transit via HTTPS/WSS but stored
as plain text in database (no E2E encryption).
2025-11-13 20:16:58 +01:00
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