following-debug

cache/cache.py

@@ -308,11 +308,16 @@ async def get_cached_author_followers(author_id: int):
 
 # Get cached follower authors
 async def get_cached_follower_authors(author_id: int):
+    from utils.logger import root_logger as logger
+
     # Attempt to retrieve authors from cache
-    cached = await redis.execute("GET", f"author:follows-authors:{author_id}")
+    cache_key = f"author:follows-authors:{author_id}"
+    cached = await redis.execute("GET", cache_key)
     if cached:
         authors_ids = orjson.loads(cached)
+        logger.debug(f"[get_cached_follower_authors] Cache HIT for {cache_key}: {len(authors_ids)} authors")
     else:
+        logger.debug(f"[get_cached_follower_authors] Cache MISS for {cache_key}, querying DB")
         # Query authors from database
         with local_session() as session:
             authors_ids = [
@@ -323,7 +328,10 @@ async def get_cached_follower_authors(author_id: int):
                     .where(AuthorFollower.follower == author_id)
                 ).all()
             ]
-            await redis.execute("SET", f"author:follows-authors:{author_id}", fast_json_dumps(authors_ids))
+            await redis.execute("SET", cache_key, fast_json_dumps(authors_ids))
+            logger.debug(
+                f"[get_cached_follower_authors] DB query result for user {author_id}: {len(authors_ids)} authors, IDs: {authors_ids}"
+            )
 
     return await get_cached_authors_by_ids(authors_ids)