Option delete items added to check_availability page

back-office/app/constraints/check_items_constraint.rb

@@ -0,0 +1,5 @@
+class CheckItemsConstraint
+  def self.matches?(request)
+    request.params[:commit] == 'Check'
+  end
+end

back-office/app/constraints/delete_items_constraint.rb

@@ -0,0 +1,5 @@
+class DeleteItemsConstraint
+  def self.matches?(request)
+    request.params[:commit] == 'Delete Items'
+  end
+end

back-office/app/controllers/items_controller.rb

@@ -15,4 +15,20 @@ class ItemsController < ApplicationController
     @missing_from_database =  (@codes_to_check_array - items_to_check) || []
     @missing_from_codes = (items_to_check - @codes_to_check_array) || []
   end
+
+  def delete_items
+    @suppliers = Supplier.order(:name).all
+    @selected_supplier = Supplier.find_by_id(params[:supplier_id])
+    @items = @selected_supplier.try(:items) || []
+    @codes_to_check = params[:codes] || ""
+    @codes_to_check_array = @codes_to_check.split("\n").reject { |code| code.strip.blank? }.map(&:strip)
+    items_to_check = @items.map { |i| i.code.strip }
+
+    @items_for_delete = items_to_check & @codes_to_check_array
+    Item.where(:code => @items_for_delete).destroy_all
+
+    @not_deleted_items = (@codes_to_check_array - @items_for_delete) || []
+
+    render :template => "items/check_availability"
+  end
 end

back-office/app/views/items/check_availability.html.erb

@@ -2,33 +2,48 @@
   <p><label for="supplier_id">Supplier: </label>
   <%= select_tag "supplier_id", options_from_collection_for_select(@suppliers, "id", "name", @selected_supplier.try(:id)) %></p>
 
-  <p><label for="codes"> 
+  <p><label for="codes">
     Codes to check:
   </label><br />
   <%= text_area_tag "codes", @codes_to_check, rows: 20, columns: 50 %></p>
 
   <p><%= submit_tag "Check" %></p>
+  <p><%= submit_tag "Delete Items" %></p>
 <% end %>
 
-<div>
-<h2> In database: <%= @items.length %>, in file: <%= @codes_to_check_array.length %> </h2>
-</div>
+<% if controller.action_name == 'delete_items' %>
+
+ <h2> Delete successful </h2>
+
+ <% if @not_deleted_items.length > 0 %>
+   <p>Not deleted items</p>
+   <% @not_deleted_items.each do |code| %>
+     <%= code %><br />
+   <% end %>
+ <% end %>
+
+<% else %>
+
+  <div>
+    <h2> In database: <%= @items.length %>, in file: <%= @codes_to_check_array.length %> </h2>
+  </div>
+
+  <div>
+    <h2>Not in database (<%= @missing_from_database.length %>): </h2>
+    <br />
+    <% @missing_from_database.each do |code| %>
+      <%= code %><br />
+    <% end %>
+
+  </div>
+
+  <div>
+    <h2>Not in file (<%= @missing_from_codes.length %>): </h2>
+    <br />
+    <% @missing_from_codes.each do |code| %>
+      <%= code %><br />
+    <% end %>
+
+  </div>
 
-<div>
-<h2>Not in database (<%= @missing_from_database.length %>): </h2>
-<br />
-<% @missing_from_database.each do |code| %>
-  <%= code %><br /> 
 <% end %>
-
-</div>
-
-<div>
-<h2>Not in file (<%= @missing_from_codes.length %>): </h2>
-<br />
-<% @missing_from_codes.each do |code| %>
-  <%= code %><br />
-<% end %>
-
-</div>
-

back-office/config/routes.rb

@@ -15,12 +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 
-    collection do 
+  resources :items do
+    collection do
       get 'check_availability'
-      post 'check_availability'
+      post 'check_availability' => 'items#check_availability', constraints: CheckItemsConstraint
+      post 'check_availability' => 'items#delete_items', constraints: DeleteItemsConstraint
     end
-    as_routes 
+    as_routes
   end
   resources :units do as_routes end
   resources :sub_categories do as_routes end