redis & listening works!!

backend/app/views/queue/services.py

@@ -2,8 +2,10 @@ from fastapi import Depends, HTTPException, status
 from typing import Annotated
 from sqlalchemy.orm import Session
 from uuid import UUID
+import redis
+import asyncio
 
-from ...dependencies import get_db
+from ...dependencies import get_db, get_pubsub
 from ...db import models
 
 from ..auth import services as auth_services
@@ -50,6 +52,9 @@ def get_detailed_queue(
             participants=schemas.ParticipantInfo(
                 total=q.users.count(),
                 remaining=q.users.filter(models.QueueUser.passed == False).count(),
+                users_list=q.users.filter(models.QueueUser.passed == False).order_by(
+                    models.QueueUser.position.asc()
+                ),
             ),
         )
     raise HTTPException(
@@ -82,3 +87,18 @@ def join_queue(
         status_code=status.HTTP_404_NOT_FOUND,
         detail="Not Found",
     )
+
+
+async def set_queue_listener(
+    queue_id: UUID,
+    db: Annotated[Session, Depends(get_db)],
+    ps: Annotated[redis.client.PubSub, Depends(get_pubsub)],
+) -> schemas.QueueDetail:
+    await ps.subscribe(str(queue_id))
+    async for m in ps.listen():
+        print(m, flush=True)
+        if m.get("data", None) == b"updated":
+            print("UPDATED", flush=True)
+            break
+    new_queue = get_detailed_queue(queue_id=queue_id, db=db)
+    return new_queue