Add line items adjustments (order.price_adjustments) to the order edi…

…t page so that user is aware of adjustments included in the price like for example tax rates

This change happens in spree v2.2 together with other changes (like adding the, not yet available in v2.0, shipment_adjustments this way). See commit for more details: spree/spree@636d87d

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

@@ -4,23 +4,8 @@
 
   = render :partial => "spree/admin/orders/shipment", :collection => @order.shipments, :locals => { :order => order }
 
-  - if order.adjustments.eligible.exists?
-    %fieldset.no-border-bottom
-      %legend= Spree.t('adjustments')
-      %table
-        %thead
-          %th= Spree.t('name')
-          %th= Spree.t('amount')
-        %tbody#order-charges.with-border{"data-hook" => "order_details_adjustments"}
-          - order.adjustments.eligible.each do |adjustment|
-            - next if ((adjustment.originator_type == 'Spree::TaxRate') and (adjustment.amount == 0)) || adjustment.originator_type == 'Spree::ShippingMethod'
-            %tr.total
-              %td
-                %strong
-                  = adjustment.label
-                  \:
-              %td.total.align-center
-                %span= adjustment.display_amount
+  = render :partial => "spree/admin/orders/_form/adjustments", :locals => { :adjustments => @order.price_adjustments, :order => order, :title => Spree.t(:line_item_adjustments)}
+  = render :partial => "spree/admin/orders/_form/adjustments", :locals => { :adjustments => @order.adjustments, :order => order, :title => Spree.t(:order_adjustments)}
 
   - if order.line_items.exists?
     %fieldset#order-total.no-border-bottom{"data-hook" => "order_details_total"}

app/views/spree/admin/orders/_form/_adjustments.html.haml

@@ -0,0 +1,14 @@
+- if adjustments.present?
+  %fieldset.no-border-bottom
+    %legend= title
+    %table>
+      %thead
+        %th= Spree.t('name')
+        %th= Spree.t('amount')
+      %tbody#order-charges.with-border
+        - adjustments.each do |adjustment|
+          - if (adjustment.originator_type != 'Spree::ShippingMethod') && !(adjustment.originator_type == 'Spree::TaxRate' && adjustment.amount == 0)
+            %tr.total
+              %td.strong= adjustment.label + ":"
+              %td.total.align-center
+                %span= Spree::Money.new(adjustment.amount)