Server side code for Watching First Post Only

app/models/group_user.rb

@@ -1,3 +1,5 @@
+require_dependency 'notification_levels'
+
 class GroupUser < ActiveRecord::Base
   belongs_to :group, counter_cache: "user_count"
   belongs_to :user
@@ -10,6 +12,10 @@ class GroupUser < ActiveRecord::Base
 
   after_save :grant_trust_level
 
+  def self.notification_levels
+    NotificationLevels.all
+  end
+
   protected
 
   def set_primary_group