Prevent user_ids lookup for role assets (not needed in frontend - Customer role will have almost any user id in it).

app/models/application_model.rb

@@ -37,7 +37,7 @@ class ApplicationModel < ActiveRecord::Base
 
   # create instance accessor
   class << self
-    attr_accessor :activity_stream_support_config, :history_support_config, :search_index_support_config
+    attr_accessor :activity_stream_support_config, :history_support_config, :search_index_support_config, :attributes_with_associations_support_config
   end
 
   attr_accessor :history_changes_last_done
@@ -197,6 +197,7 @@ returns
     attributes = self.attributes
     self.class.reflect_on_all_associations.map { |assoc|
       real_ids = assoc.name.to_s[0, assoc.name.to_s.length - 1] + '_ids'
+      next if self.class.attributes_with_associations_support_config && self.class.attributes_with_associations_support_config[:ignore][real_ids.to_sym] == true
       next if !respond_to?(real_ids)
       attributes[real_ids] = send(real_ids)
     }
@@ -1327,6 +1328,20 @@ delete object history, will be executed automatically
 
 =begin
 
+serve methode to configure and attributes_with_associations support for this model
+
+class Model < ApplicationModel
+  attributes_with_associations(ignore: { user_ids: => true })
+end
+
+=end
+
+  def self.attributes_with_associations_support(data = {})
+    @attributes_with_associations_support_config = data
+  end
+
+=begin
+
 get list of attachments of this object
 
   item = Model.find(123)

app/models/role.rb

@@ -9,6 +9,7 @@ class Role < ApplicationModel
   before_create  :validate_permissions
   before_update  :validate_permissions
 
+  attributes_with_associations_support ignore: { user_ids: true }
   activity_stream_support permission: 'admin.role'
   notify_clients_support
   latest_change_support