tracking some models

app/controllers/application_controller.rb

@@ -2,6 +2,7 @@ class ApplicationController < ActionController::API
   include ActionController::Serialization
   include DeviseTokenAuth::Concerns::SetUserByToken
   include Pundit
+  include PublicActivity::StoreController
 
   # Prevent CSRF attacks by raising an exception.
   # For APIs, you may want to use :null_session instead.

app/models/collection.rb

@@ -29,6 +29,7 @@ class Collection < ActiveRecord::Base
   include Scoreable
   include Thumbnailable
   include Taggable
+  include Trackable
 
   has_many :collection_items, as: :collectionable, dependent: :destroy
   has_many :collections, through: :collection_items, source: :collectionable, source_type: 'Collection'

app/models/concerns/trackable.rb

+module Trackable
+  extend ActiveSupport::Concern
+  include PublicActivity::Model
+
+  included do
+    tracked
+  end
+
+end

app/models/learning_object.rb

@@ -38,6 +38,7 @@ class LearningObject < ActiveRecord::Base
   include Scoreable
   include Thumbnailable
   include Taggable
+  include Trackable
 
   has_many :collection_items, as: :collectionable
   has_many :collections, through: :collection_items