Apply decorator pattern for applied_job created_at

Gemfile

@@ -72,4 +72,5 @@ gem 'devise'
 gem 'carrierwave', '~> 2.0'
 gem 'rsolr'
 gem 'settingslogic'
+gem 'draper'
 ##

Gemfile.lock

@@ -29,6 +29,10 @@ GEM
       globalid (>= 0.3.6)
     activemodel (5.2.4.3)
       activesupport (= 5.2.4.3)
+    activemodel-serializers-xml (1.0.2)
+      activemodel (> 5.x)
+      activesupport (> 5.x)
+      builder (~> 3.1)
     activerecord (5.2.4.3)
       activemodel (= 5.2.4.3)
       activesupport (= 5.2.4.3)
@@ -92,6 +96,12 @@ GEM
     dotenv-rails (2.7.6)
       dotenv (= 2.7.6)
       railties (>= 3.2)
+    draper (4.0.1)
+      actionpack (>= 5.0)
+      activemodel (>= 5.0)
+      activemodel-serializers-xml (>= 1.0)
+      activesupport (>= 5.0)
+      request_store (>= 1.0)
     erubi (1.9.0)
     execjs (2.7.0)
     faraday (1.0.1)
@@ -177,6 +187,8 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     regexp_parser (1.7.1)
+    request_store (1.5.0)
+      rack (>= 1.4)
     responders (3.0.1)
       actionpack (>= 5.0)
       railties (>= 5.0)
@@ -250,6 +262,7 @@ DEPENDENCIES
   coffee-rails (~> 4.2)
   devise
   dotenv-rails
+  draper
   jbuilder (~> 2.5)
   kaminari
   listen (>= 3.0.5, < 3.2)

app/controllers/users_controller.rb

@@ -11,7 +11,7 @@ class UsersController < ApplicationController
     return unless current_user.admin
     
     get_data_search_bar
-    @applied_jobs = AppliedJob.includes(:job).order(created_at: :desc).page(params[:page])
+    @applied_jobs = AppliedJob.includes(:job).order(created_at: :desc).page(params[:page]).decorate
   end
 
   private

app/decorators/application_decorator.rb

+class ApplicationDecorator < Draper::Decorator
+  # Define methods for all decorated objects.
+  # Helpers are accessed through `helpers` (aka `h`). For example:
+  #
+  #   def percent_amount
+  #     h.number_to_percentage object.amount, precision: 2
+  #   end
+end

app/decorators/applied_job_decorator.rb

+class AppliedJobDecorator < Draper::Decorator
+  delegate_all
+
+  # Define presentation-specific methods here. Helpers are accessed through
+  # `helpers` (aka `h`). You can override attributes, for example:
+  #
+  #   def created_at
+  #     helpers.content_tag :span, class: 'time' do
+  #       object.created_at.strftime("%a %m/%d/%y")
+  #     end
+  #   end
+
+  def self.collection_decorator_class
+    PaginatingDecorator
+  end
+  
+  def created_at
+    object.created_at.localtime.strftime('%d/%m/%y - %H:%M')
+  end
+end

app/decorators/paginating_decorator.rb

+class PaginatingDecorator < Draper::CollectionDecorator
+  delegate :current_page, :total_pages, :limit_value, :entry_name, :total_count, :offset_value, :last_page?
+end

app/views/users/_applied_job.html.erb

@@ -11,7 +11,7 @@
     <div class = "col-lg-2">
       <div class="card-body">
         <p><strong>Applied at: </strong></p>
-        <span><%= applied_job.created_at.localtime.strftime('%d/%m/%y - %H:%M') %></span>
+        <span><%= applied_job.created_at %></span>
       </div>
     </div>
   </div>