Allow a maximum of 50 pending mod invites.

r2/example.ini

@@ -480,6 +480,7 @@ sr_contributor_quota = 10000
 sr_wikibanned_quota = 10000
 sr_wikicontributor_quota = 10000
 sr_quota_time = 7200
+sr_invite_limit = 25
 
 # -- email --
 # smtp server

r2/r2/controllers/api.py

@@ -765,6 +765,13 @@ class ApiController(RedditController, OAuth2ResourceController):
             if not has_perms:
                 abort(403, 'forbidden')
 
+        if type == 'moderator_invite':
+            invites = sum(1 for i in container.each_moderator_invite())
+            if invites >= g.sr_invite_limit:
+                c.errors.add(errors.SUBREDDIT_RATELIMIT, field="name")
+                form.set_error(errors.SUBREDDIT_RATELIMIT, "name")
+                return
+
         if type in self._sr_friend_types and not c.user_is_admin:
             quota_key = "sr%squota-%s" % (str(type), container._id36)
             g.cache.add(quota_key, 0, time=g.sr_quota_time)

r2/r2/lib/app_globals.py

@@ -123,6 +123,7 @@ class Globals(object):
             'sr_moderator_invite_quota',
             'sr_contributor_quota',
             'sr_quota_time',
+            'sr_invite_limit',
             'wiki_keep_recent_days',
             'wiki_max_page_length_bytes',
             'wiki_max_page_name_length',