Move data fetching from injection helper to action

Data fetching is a controller action responsibility. We shouldn't couple
the controller with it too much but it should trigger it, not the
view-layer.

app/controllers/spree/users_controller.rb

@@ -15,6 +15,11 @@ module Spree
     # Ignores invoice orders, only order where state: 'complete'
     def show
       @orders = @user.orders.where(state: 'complete').order('completed_at desc')
+
+      customers = spree_current_user.customers
+      @shops = Enterprise
+        .where(id: @orders.pluck(:distributor_id).uniq | customers.pluck(:enterprise_id))
+
       @unconfirmed_email = spree_current_user.unconfirmed_email
     end
 

app/views/spree/users/show.html.haml

@@ -1,7 +1,8 @@
 - content_for :injection_data do
-  = inject_orders
-  = inject_shops
+  = inject_json_array("orders", @orders.all, Api::OrderSerializer)
+  = inject_json_array("shops", @shops.all, Api::ShopForOrdersSerializer)
   = inject_saved_credit_cards
+
   - if Stripe.publishable_key
     :javascript
       angular.module('Darkswarm').value("stripeObject", Stripe("#{Stripe.publishable_key}"))