Simplified number of batches in cleanup script

cleanup.py

@@ -26,6 +26,9 @@ def cleanup(limit: int = 40, id: int | None = None):
         last_posts = mastodon.account_statuses(getenv("MASTODON_USER_ID"), exclude_replies=True, limit=limit)
         id_oldest_of_last_posts = -1
         for _ in range(4):
+            # return if there are no posts to check
+            if len(last_posts) == 0:
+                return
             id_oldest_of_last_posts = last_posts[-1]["id"]
             last_posts = mastodon.account_statuses(getenv("MASTODON_USER_ID"), exclude_replies=True, max_id=id_oldest_of_last_posts, limit=limit)
     else:
@@ -36,11 +39,12 @@ def cleanup(limit: int = 40, id: int | None = None):
     if len(last_posts) == 0:
         return
 
-    # ----- delete old posts ----- #
+    # ----- delete old inactive posts ----- #
 
-    # default: check 2 batches of 40 posts (and 6 batches if the id was set manually)
-    num_batches = 2 if id is None else 6
-    for i in range(num_batches):
+    # default: check 10 batches of 40 posts
+    # this usually tries until the rate limit is triggered or there are no more posts
+    # if hitting the rate limit is undesired, reduce the number of iterations
+    for i in range(10):
         # skip getting new batch in the first iteration if the id was set manually
         if i != 0 or id is None:
             # find id of the currently oldest post