Update display of associated tax amounts

app/controllers/application_controller.rb

@@ -16,6 +16,7 @@ class ApplicationController < ActionController::Base
   helper 'spree/orders'
   helper 'spree/payment_methods'
   helper 'shared'
+  helper 'adjustments'
   helper 'enterprises'
   helper 'order_cycles'
   helper 'order'

app/helpers/adjustments_helper.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+module AdjustmentsHelper
+  def display_adjustment_taxes(adjustment)
+    if adjustment.included_tax_total > 0
+      amount = Spree::Money.new(adjustment.included_tax_total, currency: adjustment.currency)
+      I18n.t(:tax_amount_included, amount: amount)
+    elsif adjustment.additional_tax_total > 0
+      Spree::Money.new(adjustment.additional_tax_total, currency: adjustment.currency)
+    else
+      Spree::Money.new(0.00, currency: adjustment.currency)
+    end
+  end
+end

app/models/spree/adjustment.rb

@@ -137,6 +137,14 @@ module Spree
       tax_total.positive?
     end
 
+    def included_tax_total
+      adjustments.tax.inclusive.sum(:amount)
+    end
+
+    def additional_tax_total
+      adjustments.tax.additional.sum(:amount)
+    end
+
     private
 
     def tax_total

app/views/spree/admin/adjustments/_adjustments_table.html.haml

@@ -4,7 +4,7 @@
       %th= "#{t('spree.date')}/#{t('spree.time')}"
       %th= t(:description)
       %th= t(:amount)
-      %th= t(:included_tax)
+      %th= t(:tax)
       %th.actions
   %tbody
     - @collection.each do |adjustment|
@@ -13,10 +13,14 @@
       - tr_class = cycle('odd', 'even')
       - tr_id = spree_dom_id(adjustment)
       %tr{:class => tr_class, "data-hook" => "adjustment_row", :id => tr_id}
-        %td.align-center.created_at= pretty_time(adjustment.created_at)
-        %td.align-center.label= adjustment.label
-        %td.align-center.amount= adjustment.display_amount.to_html
-        %td.align-center.included-tax= adjustment.display_included_tax.to_html
+        %td.align-center.created_at
+          = pretty_time(adjustment.created_at)
+        %td.align-center.label
+          = adjustment.label
+        %td.align-center.amount
+          = adjustment.display_amount.to_html
+        %td.align-center.tax
+          = display_adjustment_taxes(adjustment)
         - unless @order.canceled?
           %td.actions
             - if adjustment.originator_type.nil?

app/views/spree/admin/orders/_invoice_table.html.haml

@@ -30,7 +30,7 @@
         %td{:align => "right"}
           1
         %td{:align => "right"}
-          = adjustment.included_tax > 0 ? adjustment.display_included_tax : ""
+          = display_adjustment_taxes(adjustment)
         %td{:align => "right"}
           = adjustment.display_amount
   %tfoot

config/locales/en.yml

@@ -2162,6 +2162,8 @@ See the %{link} to find out more about %{sitename}'s features and to start using
   fundraising_fee: "Fundraising fee"
   price_graph: "Price graph"
   included_tax: "Included tax"
+  tax: "Tax"
+  tax_amount_included: "%{amount} (included)"
   remove_tax: "Remove tax"
   balance: "Balance"
   transaction: "Transaction"