Story #109367694 - refactor: move UserEvents include up, wrap method in included block, say self

app/models/concerns/user_events.rb

@@ -1,6 +1,7 @@
 module UserEvents
   extend ActiveSupport::Concern
 
+  included do
     # EPP requires a server defined creator ID, which should be registrar code if we have one
     def cr_id
       # try this, rebuild user for registrar before searching history? really?
@@ -8,11 +9,12 @@ module UserEvents
       if registrar.present?            # Did creator return a kind of User that has a registrar?
         registrar.code
       else
-      if versions.first.object.nil?
-        cr_registrar_id =versions.first.object_changes['registrar_id'].second
+        if self.versions.first.try(:object).nil?
+          changes = self.versions.first.try(:object_changes)
+          cr_registrar_id = changes['registrar_id'].second if changes.present?
         else
           # untested, expected never to execute
-        cr_registrar_id = versions.first.object['registrar_id']
+          cr_registrar_id = self.versions.first.object['registrar_id']
         end
 
         if cr_registrar_id.present?
@@ -23,5 +25,6 @@ module UserEvents
         end
       end
     end
+  end
 
 end

app/models/contact.rb

@@ -1,6 +1,7 @@
 class Contact < ActiveRecord::Base
   include Versions # version/contact_version.rb
   include EppErrors
+  include UserEvents
 
   belongs_to :registrar
   has_many :domain_contacts

app/models/domain.rb

@@ -1,5 +1,6 @@
 # rubocop: disable Metrics/ClassLength
 class Domain < ActiveRecord::Base
+  include UserEvents
   include Versions # version/domain_version.rb
   include Statuses
   has_paper_trail class_name: "DomainVersion", meta: { children: :children_log }

app/models/version/contact_version.rb

@@ -3,7 +3,5 @@ class ContactVersion < PaperTrail::Version
   self.table_name    = :log_contacts
   self.sequence_name = :log_contacts_id_seq
   
-  include UserEvents
-
   # scope :deleted, -> { where(event: 'destroy') }
 end

app/models/version/domain_version.rb

@@ -4,7 +4,5 @@ class DomainVersion < PaperTrail::Version
   self.table_name    = :log_domains
   self.sequence_name = :log_domains_id_seq
 
-  include UserEvents
-
   scope :deleted, -> { where(event: 'destroy') }
 end