Don't give notifications to admins for trust level notifications

app/models/badge.rb

@@ -1,3 +1,5 @@
+require_dependency 'slug'
+
 class Badge < ActiveRecord::Base
   # NOTE: These badge ids are not in order! They are grouped logically.
   #       When picking an id, *search* for it.
@@ -119,6 +121,10 @@ class Badge < ActiveRecord::Base
     }
   end
 
+  def awarded_for_trust_level?
+    id <= 4
+  end
+
   def reset_grant_count!
     self.grant_count = UserBadge.where(badge_id: id).count
     save!
@@ -208,6 +214,7 @@ SQL
   def i18n_name
     self.name.downcase.tr(' ', '_')
   end
+
 end
 
 # == Schema Information

app/services/badge_granter.rb

@@ -274,7 +274,7 @@ class BadgeGranter
             /*where*/
             RETURNING id, user_id, granted_at
             )
-            select w.*, username, locale FROM w
+            select w.*, username, locale, u.admin FROM w
             JOIN users u on u.id = w.user_id
             "
 
@@ -315,6 +315,8 @@ class BadgeGranter
       # Make this variable in this scope
       notification = nil
 
+      next if (row.admin && badge.awarded_for_trust_level?)
+
       I18n.with_locale(notification_locale) do
         notification = Notification.create!(
                           user_id: row.user_id,