added rails_admin gem as an alternative for activescaffold

back-office/Gemfile

@@ -1,6 +1,7 @@
 source 'https://rubygems.org'
 
 
+gem 'rails_admin'
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '4.2.0'
 # Use postgresql as the database for Active Record

back-office/Gemfile.lock

@@ -68,8 +68,12 @@ GEM
     debugger-linecache (1.2.0)
     erubis (2.7.0)
     execjs (2.2.2)
+    font-awesome-rails (4.3.0.0)
+      railties (>= 3.2, < 5.0)
     globalid (0.3.0)
       activesupport (>= 4.1.0)
+    haml (4.0.6)
+      tilt
     hike (1.2.3)
     i18n (0.7.0)
     jbuilder (2.2.6)
@@ -82,6 +86,9 @@ GEM
     jquery-ui-rails (5.0.3)
       railties (>= 3.2.16)
     json (1.8.2)
+    kaminari (0.16.3)
+      actionpack (>= 3.0.0)
+      activesupport (>= 3.0.0)
     loofah (2.0.1)
       nokogiri (>= 1.5.9)
     mail (2.6.3)
@@ -90,6 +97,7 @@ GEM
     mini_portile (0.6.2)
     minitest (5.5.1)
     multi_json (1.10.1)
+    nested_form (0.3.2)
     netrc (0.10.2)
     nokogiri (1.6.5)
       mini_portile (~> 0.6.0)
@@ -97,6 +105,9 @@ GEM
     puma (2.10.2)
       rack (>= 1.1, < 2.0)
     rack (1.6.0)
+    rack-pjax (0.8.0)
+      nokogiri (~> 1.5)
+      rack (~> 1.1)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.0)
@@ -118,6 +129,20 @@ GEM
       rails-deprecated_sanitizer (>= 1.0.1)
     rails-html-sanitizer (1.0.1)
       loofah (~> 2.0)
+    rails_admin (0.6.6)
+      builder (~> 3.1)
+      coffee-rails (~> 4.0)
+      font-awesome-rails (>= 3.0, < 5)
+      haml (~> 4.0)
+      jquery-rails (>= 3.0, < 5)
+      jquery-ui-rails (~> 5.0)
+      kaminari (~> 0.14)
+      nested_form (~> 0.3)
+      rack-pjax (~> 0.7)
+      rails (~> 4.0)
+      remotipart (~> 1.0)
+      safe_yaml (~> 1.0)
+      sass-rails (>= 4.0, < 6)
     railties (4.2.0)
       actionpack (= 4.2.0)
       activesupport (= 4.2.0)
@@ -126,9 +151,11 @@ GEM
     rake (10.4.2)
     rdoc (4.2.0)
       json (~> 1.4)
+    remotipart (1.2.1)
     rest-client (1.7.2)
       mime-types (>= 1.16, < 3.0)
       netrc (~> 0.7)
+    safe_yaml (1.0.4)
     sass (3.4.9)
     sass-rails (5.0.1)
       railties (>= 4.0.0, < 5.0)
@@ -180,6 +207,7 @@ DEPENDENCIES
   pg
   puma
   rails (= 4.2.0)
+  rails_admin
   sass-rails (~> 5.0)
   sdoc (~> 0.4.0)
   spring

back-office/config/initializers/rails_admin.rb

@@ -0,0 +1,34 @@
+RailsAdmin.config do |config|
+
+  ### Popular gems integration
+
+  ## == Devise ==
+  # config.authenticate_with do
+  #   warden.authenticate! scope: :user
+  # end
+  # config.current_user_method(&:current_user)
+
+  ## == Cancan ==
+  # config.authorize_with :cancan
+
+  ## == PaperTrail ==
+  # config.audit_with :paper_trail, 'User', 'PaperTrail::Version' # PaperTrail >= 3.0.0
+
+  ### More at https://github.com/sferik/rails_admin/wiki/Base-configuration
+
+  config.actions do
+    dashboard                     # mandatory
+    index                         # mandatory
+    new
+    export
+    bulk_delete
+    show
+    edit
+    delete
+    show_in_app
+
+    ## With an audit adapter, you can add:
+    # history_index
+    # history_show
+  end
+end

back-office/config/routes.rb

@@ -1,5 +1,6 @@
 Rails.application.routes.draw do
 
+  mount RailsAdmin::Engine => '/admin', as: 'rails_admin'
   resources :filter_criteria_values do as_routes end
   resources :filter_criteria do as_routes end
   resources :item_in_carts do as_routes end