Move common behavior to concern

app/controllers/account/addresses_controller.rb

@@ -2,6 +2,8 @@
 
 module Account
   class AddressesController < ApplicationController
+    include LastUpdateFromMernis
+
     before_action :set_address, only: %i[edit update destroy]
     before_action :check_formality, only: %i[edit update destroy]
     before_action :set_elapsed_time, only: %i[save_from_mernis]
@@ -46,10 +48,8 @@ def check_formality
 
     def set_elapsed_time
       formal_address = current_user.addresses.formal
-      return unless formal_address.present?
-
-      elapsed_time = (Time.zone.now - formal_address.first.updated_at) / 1.day
-      redirect_with('wait') if elapsed_time.present? && elapsed_time < 7
+      return if formal_address.blank?
+      elapsed_time(formal_address)
     end
 
     def redirect_with(message)

app/controllers/account/identities_controller.rb

@@ -2,6 +2,8 @@
 
 module Account
   class IdentitiesController < ApplicationController
+    include LastUpdateFromMernis
+
     before_action :set_identity, only: %i[edit update destroy]
     before_action :check_formality, only: %i[edit update destroy]
     before_action :set_elapsed_time, only: %i[save_from_mernis]
@@ -46,10 +48,8 @@ def check_formality
 
     def set_elapsed_time
       formal_identity = current_user.identities.formal
-      return unless formal_identity.present?
-
-      elapsed_time = (Time.zone.now - formal_identity.first.updated_at) / 1.day
-      redirect_with('wait') if elapsed_time.present? && elapsed_time < 7
+      return if formal_identity.blank?
+      elapsed_time(formal_identity)
     end
 
     def redirect_with(message)

app/controllers/concerns/last_update_from_mernis.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+module LastUpdateFromMernis
+  extend ActiveSupport::Concern
+
+  def elapsed_time(resource)
+    elapsed_time = (Time.zone.now - resource.first.updated_at) / 1.day
+    redirect_with('wait') if elapsed_time.present? && elapsed_time < 7
+  end
+end