implement paid cancel

app/controllers/admin/invoices_controller.rb

@@ -20,6 +20,23 @@ module Admin
       end
     end
 
+    def cancel_paid
+      invoice_id = params[:invoice_id]
+      invoice = Invoice.find(invoice_id)
+
+      account_activity = AccountActivity.find_by(invoice_id: invoice_id)
+      account_activity_dup = account_activity.dup
+      account_activity_dup.sum = -account_activity.sum
+
+      if account_activity_dup.save and invoice.update(cancelled_at: Time.zone.today)
+        flash[:notice] = t(:payment_was_cancelled)
+        redirect_to admin_invoices_path
+      else
+        flash[:alert] = t(:failed_to_payment_cancel)
+        redirect_to admin_invoices_path
+      end
+    end
+
     def index
       @q = Invoice.includes(:account_activity).search(params[:q])
       @q.sorts = 'number desc' if @q.sorts.empty?

app/views/admin/invoices/show.haml

@@ -6,6 +6,10 @@
     %h1.text-right.text-center-xs
       - if @invoice.unpaid?
         = link_to(t(:payment_received), new_admin_bank_statement_path(invoice_id: @invoice.id), class: 'btn btn-default')
+
+      - if @invoice.paid? and !@invoice.cancelled?
+        = link_to(t(:cancel_payment), cancel_paid_admin_invoices_path(invoice_id: @invoice.id), method: 'post', data: { confirm: t(:are_you_sure) }, class: 'btn btn-warning')
+
       = link_to(t('.download_btn'), download_admin_invoice_path(@invoice), class: 'btn btn-default')
       = link_to(t('.deliver_btn'), new_admin_invoice_delivery_path(@invoice), class: 'btn btn-default')
       - if @invoice.cancellable?

config/locales/en.yml

@@ -293,6 +293,9 @@ en:
   record_deleted: 'Record deleted'
   failed_to_delete_record: 'Failed to delete record'
 
+  payment_was_cancelled: 'Payment was cancelled'
+  failed_to_payment_cancel: 'Failed to payment cancel'
+
   authentication_error: 'Authentication error'
 
   sign_in_cancelled: "Sign in cancelled"
@@ -601,6 +604,7 @@ en:
   no_transfers_found: 'No transfers found'
   parameter_value_range_error: 'Parameter value range error: %{key}'
   payment_received: 'Payment received'
+  cancel_payment: 'Cancel Payment'
   api_user_not_found: 'API user not found'
   notes: Notes
   active_price_for_this_operation_is: 'Active price for this operation is %{price}'

config/routes.rb

@@ -231,6 +231,10 @@ Rails.application.routes.draw do
     end
 
     resources :invoices, except: %i[edit update destroy] do
+      collection do
+        # get ':id/cancel_paid', to: 'invoices#cancel_paid', as: 'get_cancel_paid'
+        post ':id/cancel_paid', to: 'invoices#cancel_paid', as: 'cancel_paid'
+      end
       resource :delivery, controller: 'invoices/delivery', only: %i[new create]
 
       member do