Cancel invoices through admin

app/controllers/admin/invoices_controller.rb

@@ -10,4 +10,14 @@ class Admin::InvoicesController < AdminController
   def show
     @invoice = Invoice.find(params[:id])
   end
+
+  def cancel
+    if @invoice.cancel
+      flash[:notice] = t('record_updated')
+      redirect_to([:admin, @invoice])
+    else
+      flash.now[:alert] = t('failed_to_update_record')
+      render :show
+    end
+  end
 end

app/views/admin/invoices/show.haml

@@ -4,8 +4,12 @@
       = @invoice
   .col-sm-6
     %h1.text-right.text-center-xs
-      = link_to(t('back'), :back, class: 'btn btn-default')
+      - if !@invoice.cancelled? && !@invoice.binded?
+        = link_to(t(:cancel), cancel_admin_invoice_path(@invoice), method: :patch, class: 'btn btn-default')
+      = link_to(t('back'), admin_invoices_path, class: 'btn btn-default')
 %hr
+= render 'shared/full_errors', object: @invoice
+
 .row
   .col-md-6= render 'registrar/invoices/partials/details'
 .row

config/routes.rb

@@ -102,7 +102,9 @@ Rails.application.routes.draw do
       patch 'bind', on: :member
     end
 
-    resources :invoices
+    resources :invoices do
+      patch 'cancel', on: :member
+    end
 
     resources :domains do
       resources :domain_versions