Story#116761157 - move variable when to delete orphans to settings

app/controllers/admin/settings_controller.rb

@@ -51,6 +51,7 @@ class Admin::SettingsController < AdminController
       :admin_contacts_max_count,
       :tech_contacts_min_count,
       :tech_contacts_max_count,
+      :orphans_contacts_in_months,
       :ds_digest_type,
       :dnskeys_min_count,
       :dnskeys_max_count,

app/models/contact.rb

@@ -185,7 +185,7 @@ class Contact < ActiveRecord::Base
         %w(admin_contacts tech_contacts registrant).each do |type|
           ver_scope << "(children->'#{type}')::jsonb <@ json_build_array(#{contact.id})::jsonb"
         end
-        next if DomainVersion.where("created_at > ?", Time.now - 6.months).where(ver_scope.join(" OR ")).any?
+        next if DomainVersion.where("created_at > ?", Time.now - Setting.orphans_contacts_in_months.to_i.months).where(ver_scope.join(" OR ")).any?
         next if contact.domains_present?
 
         contact.destroy

app/views/admin/settings/index.haml

@@ -15,6 +15,7 @@
           = render 'setting_row', var: :admin_contacts_max_count
           = render 'setting_row', var: :tech_contacts_min_count
           = render 'setting_row', var: :tech_contacts_max_count
+          = render 'setting_row', var: :orphans_contacts_in_months
           = render 'setting_row', var: :ds_data_allowed
           = render 'setting_row', var: :key_data_allowed
           = render 'setting_row', var: :dnskeys_min_count

config/initializers/initial_settings.rb

@@ -10,6 +10,7 @@ if con.present? && con.table_exists?('settings')
   Setting.save_default(:admin_contacts_max_count, 10)
   Setting.save_default(:tech_contacts_min_count, 1)
   Setting.save_default(:tech_contacts_max_count, 10)
+  Setting.save_default(:orphans_contacts_in_months, 6)
   Setting.save_default(:expire_pending_confirmation, 48)
 
   Setting.save_default(:ds_digest_type, 2)