lvesessions logic updated , avoids overwriting participants and session details

apps/course/views/live_session.py

@@ -51,47 +51,32 @@ class CourseLiveSessionRoomCreateAPIView(GenericAPIView):
              raise AppAPIException({'message': 'Permission denied'}, status_code=403)
 
         # 2. Setup ID and Metadata
-        room_id = f"room-{course.id}-imamjavad"
         subject = f"{course.title} Live Session"
         
         # 3. Database Logic - Check FIRST before calling PlugNMeet
-        # Strategy: 
-        # 1. Try to find active session (ended_at is NULL)
-        # 2. If not found, try to find ended session with same room_id and reactivate it
-        # 3. If not found, create new session
-        session = None
+        session = CourseLiveSession.objects.filter(
+            course=course, ended_at__isnull=True
+        ).first()
+        
         needs_room_creation = False
         
-        try:
-            # Try to get active session first
-            session = CourseLiveSession.objects.get(
-                course=course, room_id=room_id, ended_at__isnull=True
-            )
-            needs_room_creation = False
+        if session:
+            room_id = session.room_id
             logger.info(f"[LiveSession Create] Found active session - session_id={session.id} room_id={room_id}")
-        except CourseLiveSession.DoesNotExist:
-            # No active session, check if there's an old one with same room_id
-            try:
-                session = CourseLiveSession.objects.get(
-                    course=course, room_id=room_id
-                )
-                # Reactivate the old session and mark for room recreation
-                session.ended_at = None
-                session.started_at = timezone.now()
-                session.subject = subject
-                session.save(update_fields=['ended_at', 'started_at', 'subject', 'updated_at'])
-                needs_room_creation = True
-                logger.info(f"[LiveSession Create] Reactivated ended session - session_id={session.id} room_id={room_id}")
-            except CourseLiveSession.DoesNotExist:
-                # No session exists at all, create new one and mark for room creation
-                session = CourseLiveSession.objects.create(
-                    course=course,
-                    room_id=room_id,
-                    subject=subject,
-                    started_at=timezone.now()
-                )
-                needs_room_creation = True
-                logger.info(f"[LiveSession Create] Created new session - session_id={session.id} room_id={room_id}")
+        else:
+            # No active session, always create a new one with a dynamic room_id
+            import time
+            timestamp = int(time.time())
+            room_id = f"room-{course.id}-{timestamp}"
+            
+            session = CourseLiveSession.objects.create(
+                course=course,
+                room_id=room_id,
+                subject=subject,
+                started_at=timezone.now()
+            )
+            needs_room_creation = True
+            logger.info(f"[LiveSession Create] Created new session - session_id={session.id} room_id={room_id}")
 
         # 4. Create room in PlugNMeet ONLY if needed
         if needs_room_creation:
@@ -100,7 +85,7 @@ class CourseLiveSessionRoomCreateAPIView(GenericAPIView):
                 client = PlugNMeetClient()
                 plugnmeet_response = client.create_room({
                     'room_id': room_id,
-                    'empty_timeout':90,
+                    'empty_timeout': 90,
                     'metadata': metadata,
                 })
                 logger.info(f"[LiveSession Create] Room created in PlugNMeet - room_id={room_id}")