Loading managed shops into standing orders index, to be used for filtering

app/controllers/admin/standing_orders_controller.rb

@@ -3,6 +3,7 @@ require 'open_food_network/permissions'
 module Admin
   class StandingOrdersController < ResourceController
     before_filter :load_shop, only: [:new]
+    before_filter :load_shops, only: [:index]
     before_filter :wrap_sli_attrs, only: [:create]
     respond_to :json
 
@@ -50,6 +51,10 @@ module Admin
       @shop = Enterprise.find(params[:shop_id])
     end
 
+    def load_shops
+      @shops = Enterprise.managed_by(spree_current_user).is_distributor
+    end
+
     def json_errors
       @object.errors.messages.inject({}) do |errors, (k,v)|
         errors[k] = v.map{ |msg| @object.errors.full_message(k,msg) }