FEATURE: add site settings rate_limit_new_user_create_topic and rate_limit_new_user_create_post to have different rate limits for topic and post creation for new users

config/locales/server.en.yml

@@ -796,6 +796,8 @@ en:
 
     rate_limit_create_topic: "After creating a topic, users must wait (n) seconds before creating another topic."
     rate_limit_create_post: "After posting, users must wait (n) seconds before creating another post."
+    rate_limit_new_user_create_topic: "After creating a topic, new users must wait (n) seconds before creating another topic."
+    rate_limit_new_user_create_post: "After posting, new users must wait (n) seconds before creating another post."
 
     max_likes_per_day: "Maximum number of likes per user per day."
     max_flags_per_day: "Maximum number of flags per user per day."

config/site_settings.yml

@@ -543,6 +543,8 @@ rate_limits:
       default: 5
   rate_limit_create_topic: 15
   rate_limit_create_post: 5
+  rate_limit_new_user_create_topic: 60
+  rate_limit_new_user_create_post: 30
   max_topics_per_day: 20
   max_private_messages_per_day: 20
   max_likes_per_day: 50

lib/rate_limiter/on_create_record.rb

@@ -13,7 +13,11 @@ class RateLimiter
       return @rate_limiter if @rate_limiter.present?
 
       limit_key = "create_#{self.class.name.underscore}"
-      max_setting = SiteSetting.send("rate_limit_#{limit_key}")
+      max_setting = if user.new_user? and SiteSetting.has_setting?("rate_limit_new_user_#{limit_key}")
+        SiteSetting.send("rate_limit_new_user_#{limit_key}")
+      else
+        SiteSetting.send("rate_limit_#{limit_key}")
+      end
       @rate_limiter = RateLimiter.new(user, limit_key, 1, max_setting)
     end