cache-fix-5

services/cache.py

@@ -195,13 +195,14 @@ async def get_cached_follower_topics(author_id: int):
     if cached and isinstance(cached, str):
         topics_ids = json.loads(cached)
     else:
-        topics_ids = (
+        topics = (
             local_session()
-            .query(Topic.id)
+            .query(Topic)
             .select_from(join(Topic, TopicFollower, Topic.id == TopicFollower.topic))
             .where(TopicFollower.follower == author_id)
             .all()
         )
+        topics_ids = [topic.id for topic in topics]
 
     await redis.execute("SET", rkey, json.dumps(topics_ids))
     topics = await get_cached_topics_by_ids(topics_ids)