Update

devplacepy/database/pagination.py

@@ -1,5 +1,6 @@
 # retoor <retoor@molodetz.nl>
 
+from devplacepy.cache import TTLCache
 from .core import db, get_table
 from .relations import get_blocked_uids
 
@@ -7,6 +8,9 @@ from .relations import get_blocked_uids
 PAGE_SIZE = 25
 
 
+_user_post_count_cache = TTLCache(ttl=15, max_size=2000)
+
+
 def paginate(
     table,
     *clauses,
@@ -74,10 +78,19 @@ def paginate_diverse(
     return interleave_by_author(rows, uid_key=uid_key), next_cursor
 
 
+def clear_user_post_count(user_uid: str) -> None:
+    _user_post_count_cache.pop(user_uid)
+
+
 def get_user_post_count(user_uid: str) -> int:
+    cached = _user_post_count_cache.get(user_uid)
+    if cached is not None:
+        return cached
     if "posts" not in db.tables:
         return 0
-    return get_table("posts").count(user_uid=user_uid, deleted_at=None)
+    count = get_table("posts").count(user_uid=user_uid, deleted_at=None)
+    _user_post_count_cache.set(user_uid, count)
+    return count
 
 
 def build_pagination(page, total, per_page=25):