created item availability checking tool

back-office/config/initializers/rails_admin.rb

@@ -34,6 +34,7 @@ RailsAdmin.config do |config|
 
   config.navigation_static_links = {
   'Orders to Confirm' => '../reports/orders_to_confirm',
-  'Items to Order' => '../reports/items_to_order'
+  'Items to Order' => '../reports/items_to_order',
+  'Check availability' => '../items/check_availability'
   }
 end

back-office/config/routes.rb

@@ -15,7 +15,13 @@ Rails.application.routes.draw do
   resources :multi_media_descriptions do as_routes end
   resources :sections do as_routes end
   resources :media_types do as_routes end
-  resources :items do as_routes end
+  resources :items do 
+    collection do 
+      get 'check_availability'
+      post 'check_availability'
+    end
+    as_routes 
+  end
   resources :units do as_routes end
   resources :sub_categories do as_routes end
   resources :categories do as_routes end