Added editable concern

app/controllers/projects/issues_controller.rb

@@ -5,7 +5,6 @@ class Projects::IssuesController < Projects::ApplicationController
   include ToggleAwardEmoji
   include IssuableCollections
   include SpammableActions
-  include EditableHelper
   prepend_before_action :authenticate_user!, only: [:new]
@@ -212,7 +211,7 @@ class Projects::IssuesController < Projects::ApplicationController
       issue_number: @issue.iid,
     }
-    if is_edited?(@issue)
+    if @issue.is_edited?
       response[:updated_at] = @issue.updated_at
       response[:updated_by_name] = @issue.last_edited_by.name
       response[:updated_by_path] = user_path(@issue.last_edited_by)

app/helpers/application_helper.rb

@@ -2,8 +2,6 @@ require 'digest/md5'
 require 'uri'
 module ApplicationHelper
-  include EditableHelper
-
   # Check if a particular controller is the current one
   #
   # args - One or more controller names to check
@@ -183,7 +181,7 @@ module ApplicationHelper
   end
   def edited_time_ago_with_tooltip(object, placement: 'top', html_class: 'time_ago', exclude_author: false)
-    return unless is_edited?(object)
+    return unless object.is_edited?
     content_tag :small, class: 'edited-text' do
       output = content_tag(:span, 'Edited ')

app/helpers/editable_helper.rb

-module EditableHelper
-  def is_edited?(object)
-    !object.last_edited_at.blank? && object.last_edited_at != object.created_at
-  end
-end

app/models/concerns/editable.rb

+module Editable
+  extend ActiveSupport::Concern
+
+  def is_edited?
+    last_edited_at.present? && last_edited_at != created_at
+  end
+end

app/models/concerns/issuable.rb

@@ -15,6 +15,7 @@ module Issuable
   include Taskable
   include TimeTrackable
   include Importable
+  include Editable
   # This object is used to gather issuable meta data for displaying
   # upvotes, downvotes, notes and closing merge requests count for issues and merge requests

app/models/note.rb

@@ -13,6 +13,7 @@ class Note < ActiveRecord::Base
   include AfterCommitQueue
   include ResolvableNote
   include IgnorableColumn
+  include Editable
   ignore_column :original_discussion_id

app/views/projects/issues/show.html.haml

@@ -53,7 +53,7 @@
   .detail-page-description.content-block
     .issue-title-data.hidden{ "data" => { "endpoint" => rendered_title_namespace_project_issue_path(@project.namespace, @project, @issue),
       "can-update-tasks-class" => can?(current_user, :update_issue, @issue) ? 'js-task-list-container' : '',
-      "is-edited": is_edited?(@issue),
+      "is-edited": @issue.is_edited?,
     } }
     .issue-title-entrypoint