Action Cable & WebSocket Patterns
Action Cable Patterns
Real-time WebSocket features for Rails applications.
Real-Time Feature Decision Tree
What real-time feature?
│
├─ User notifications
│ └─ Personal stream: stream_from "notifications_#{current_user.id}"
│
├─ Chat room messages
│ └─ Group stream: stream_from "chat_room_#{room.id}"
│
├─ Model updates (live editing)
│ └─ Model stream: stream_for @post (with broadcast_to)
│
├─ Presence tracking (who's online)
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