Summarise distribution fees in checkout after cart page

app/helpers/checkout_helper.rb

@@ -0,0 +1,13 @@
+module CheckoutHelper
+  def checkout_adjustments_for_summary(order)
+    adjustments = order.adjustments.eligible
+
+    adjustments.reject! { |a| a.originator_type == 'Spree::TaxRate' && a.amount == 0 }
+
+    enterprise_fee_adjustments = adjustments.select { |a| a.originator_type == 'EnterpriseFee' }
+    adjustments.reject! { |a| a.originator_type == 'EnterpriseFee' }
+    adjustments << Spree::Adjustment.new(label: 'Distribution', amount: enterprise_fee_adjustments.sum(&:amount))
+
+    adjustments
+  end
+end

app/views/spree/checkout/_summary.html.erb

@@ -0,0 +1,36 @@
+<!-- Copied from spree. Modifications marked below. -->
+<h3><%= t(:order_summary) %></h3>
+
+<table data-hook="order_summary">
+  <tbody>
+    <tr data-hook="item_total">
+      <td><strong><%= t(:item_total) %>:</strong></td>
+      <td><strong><%= order.display_item_total %></strong></td>
+    </tr>
+    <tbody id="summary-order-charges" data-hook>
+      <!-- Begin modifications -->
+      <% adjustments = checkout_adjustments_for_summary(order) %>
+      <% adjustments.each do |adjustment| %>
+        <tr>
+          <td><%= adjustment.label %>: </td>
+          <td><%= adjustment.display_amount.to_html %></td>
+        </tr>
+      <% end %>
+      <!-- End modifications -->
+    </tbody>
+    <tr data-hook="order_total">
+      <td><strong><%= t(:order_total) %>:</strong></td>
+      <td><strong><span id='summary-order-total'><%= @order.display_total.to_html %></span></strong></td>
+    </tr>
+    <% if order.price_adjustment_totals.present? %>
+      <tbody id="price-adjustments" data-hook="order_details_price_adjustments">
+        <% @order.price_adjustment_totals.each do |label, total| %>
+          <tr class="total">
+            <td><strong><%= label %></strong></td>
+            <td><strong><span><%= total %></span></strong></td>
+          </tr>
+        <% end %>
+      </tbody>
+    <% end %>
+  </tbody>
+</table>

spec/features/consumer/checkout_spec.rb

@@ -89,6 +89,13 @@ feature %q{
        ['Product distribution by Edible garden for Garlic',      '$2.00', '']]
 
     page.should have_selector 'span.distribution-total', :text => '$3.00'
+
+    # When I check out
+    click_link 'Checkout'
+
+    # Then I should see a summary of my distribution charges
+    page.should have_selector 'tbody#summary-order-charges td', text: 'Distribution:'
+    page.should have_selector 'tbody#summary-order-charges td', text: '$3.00'
   end
 
   scenario "viewing delivery fees for order cycle distribution" do