fix cutoff computation

src/submission/submit.py

@@ -19,7 +19,7 @@ from src.validation.validate import is_submission_file_valid, is_valid
 
 logger = get_logger(__name__)
 
-MIN_WAIT_TIME_PER_USER_HRS = 0.0001  # TODO set to 24 for production
+MIN_WAIT_TIME_PER_USER_HRS = 0.1  # TODO set to 24 for production
 RATE_LIMIT_WINDOW_HRS = 24
 MAX_SUBMISSIONS_PER_WINDOW = 10
 
@@ -54,20 +54,22 @@ def add_new_solutions(
         }
     )
 
-    cutoff = datetime.now(timezone.utc) - timedelta(hours=RATE_LIMIT_WINDOW_HRS)
-    user_last_sub_date = sub_df[sub_df.user_id == user_id].timestamp.max()
+    now = datetime.now(timezone.utc)
+    cutoff_user = now - timedelta(hours=MIN_WAIT_TIME_PER_USER_HRS)
+    user_last_submission_ts = sub_df[sub_df.user_id == user_id].timestamp.max()
 
-    if pd.notna(user_last_sub_date) and user_last_sub_date > cutoff:
-        remaining_hrs = MIN_WAIT_TIME_PER_USER_HRS - (user_last_sub_date - cutoff).total_seconds() / 3600
+    if pd.notna(user_last_submission_ts) and user_last_submission_ts > cutoff_user:
+        remaining_hrs = (user_last_submission_ts - cutoff_user).total_seconds() / 3600
         logger.info(f"{username} must wait {remaining_hrs:.2f} more hours.")
         return styled_error(
             f"You must wait {MIN_WAIT_TIME_PER_USER_HRS} hours between submissions. "
             f"Remaining wait time: {remaining_hrs:.2f} hours"
         )
 
-    if len(sub_df.timestamp > cutoff) >= MAX_SUBMISSIONS_PER_WINDOW:
+    cutoff_overall = now - timedelta(hours=RATE_LIMIT_WINDOW_HRS)
+    if len(sub_df.timestamp > cutoff_overall) >= MAX_SUBMISSIONS_PER_WINDOW:
         logger.info(
-            f"Too many submissions in the last {RATE_LIMIT_WINDOW_HRS} hours: {len(sub_df.timestamp > cutoff)}."
+            f"Too many submissions in the last {RATE_LIMIT_WINDOW_HRS} hours: {len(sub_df.timestamp > cutoff_overall)}."
         )
         return styled_error("The leaderboard has reached its submission capacity for now. Please try again later.")