- reset when the user rejoining min 2 users

backend/app.py

@@ -18,6 +18,8 @@ sys.path.append(".")
 
 app = FastAPI()
 
+reset_timer = asyncio.Event()
+
 # app.mount("/", StaticFiles(directory="frontend", html=True), name="frontend")
 
 app.add_middleware(
@@ -99,7 +101,18 @@ async def periodic_recommendation():
     while True:
         user_list = list(clients.keys())
         if len(user_list) >= 2:
-            await asyncio.sleep(60)
+            sleep_task = asyncio.create_task(asyncio.sleep(60))  # Start sleep
+
+            try:
+                await asyncio.wait_for(sleep_task, timeout=60)  # Wait 60s unless interrupted
+            except asyncio.TimeoutError:
+                pass  # Timer completed without reset
+            except asyncio.CancelledError:
+                continue  # Timer was reset, restart loop
+
+            if reset_timer.is_set():  # If reset happened, restart countdown
+                continue  
+
             if clients:  # Only run if someone is connected
                 if len(chat_history) > 0:
                     # 1. Detect emotion dan ambil (label, score)
@@ -140,6 +153,14 @@ async def periodic_recommendation():
         else:
             await asyncio.sleep(2)
             await broadcast_user_list()
+            reset_recommendation_timer()
+            
+
+async def reset_recommendation_timer():
+    """Call this function when you want to reset the timer to 60 seconds."""
+    if reset_timer.is_set():  # Check if the timer is running before resetting
+        reset_timer.clear()  # Clear the event before setting it again
+        reset_timer.set()  # Trigger the reset
 
 @app.on_event("startup")
 async def start_recommender():