Интеграция биллинг при покупке подписки

app/routes/subscription_routes.py

@@ -91,13 +91,16 @@ async def last_subscription(telegram_id: int, database_manager: DatabaseManager
     try:
         subscription = await database_manager.get_last_subscriptions(telegram_id=telegram_id)
 
-        plan = await database_manager.get_plan_by_id(subscription.plan_id)
-
-        if not subscription or not plan:
+        if not subscription :
             logger.warning(f"Подписки для пользователя {telegram_id} не найдены")
             raise HTTPException(status_code=404, detail="No subscriptions found")
         
+        plan = await database_manager.get_plan_by_id(subscription.plan_id)
 
+        if not plan:
+            logger.warning(f"Тариф для пользователя {telegram_id} не найдены")
+            raise HTTPException(status_code=404, detail="No plan found")
+        
         return {
             "id": str(subscription.id),
             "user_id": subscription.user_id,