Merge pull request #3117 from techAPJ/patch-1

FEATURE: rate limit invites for non-staff users

config/locales/client.en.yml

@@ -1018,7 +1018,7 @@ en:
 
         email_placeholder: 'name@example.com'
         success: "We mailed out an invitation to <b>{{email}}</b>. We'll notify you when the invitation is redeemed. Check the invitations tab on your user page to keep track of your invites."
-        error: "Sorry, we couldn't invite that person. Perhaps they are already a user?"
+        error: "Sorry, we couldn't invite that person. Perhaps they are already a user? (Invites are rate limited)"
 
       login_reply: 'Log In to Reply'
 

config/locales/server.en.yml

@@ -831,6 +831,7 @@ en:
     max_edits_per_day: "Maximum number of edits per user per day."
     max_topics_per_day: "Maximum number of topics a user can create per day."
     max_private_messages_per_day: "Maximum number of private messages users can create per day."
+    max_invites_per_day: "Maximum number of invites a user can send per day."
 
     suggested_topics: "Number of suggested topics shown at the bottom of a topic."
     limit_suggested_to_category: "Only show topics from the current category in suggested topics."

config/site_settings.yml

@@ -611,6 +611,7 @@ rate_limits:
   max_bookmarks_per_day: 20
   max_flags_per_day: 20
   max_edits_per_day: 30
+  max_invites_per_day: 10
   max_topics_in_first_day: 5
   max_replies_in_first_day: 10