added rate limit

app.py

@@ -80,6 +80,12 @@ def add_new_eval(
     mail: str,
     profile: gr.OAuthProfile, 
 ):
+    contact_infos = load_dataset(CONTACT_DATASET, YEAR_VERSION, token=TOKEN, download_mode="force_redownload", verification_mode=VerificationMode.NO_CHECKS, trust_remote_code=True)
+    user_submission_dates = sorted(row["date"] for row in contact_info[val_or_test] if row["username"] == profile.username)
+    if user_submission_dates[-1] == datetime.datetime.today().strftime('%Y-%m-%d'):
+        return format_error("You already submitted once today, please try again tomorrow.")
+
+
     is_validation = val_or_test == "validation"
     # Very basic email parsing
     _, parsed_mail = parseaddr(mail)
@@ -193,8 +199,10 @@ def add_new_eval(
         "model": model,
         "model_family": model_family,
         "url": url,
-        "organisation": f"{organisation} | user {profile.username}",
+        "organisation": organisation,
+        "username": profile.username,
         "mail": mail,
+        "date": datetime.datetime.today().strftime('%Y-%m-%d')
     }
     contact_infos[val_or_test]= contact_infos[val_or_test].add_item(contact_info)
     contact_infos.push_to_hub(CONTACT_DATASET, config_name = YEAR_VERSION, token=TOKEN)