WIP: ProxyOrders don't require an order, adding an edit path for proxy orders

initialises an order if one does not exist and redirects to its edit path

app/controllers/admin/proxy_orders_controller.rb

@@ -2,6 +2,11 @@ module Admin
   class ProxyOrdersController < ResourceController
     respond_to :json
 
+    def edit
+      @proxy_order.initialise_order! unless @proxy_order.order
+      redirect_to spree.edit_admin_order_path(@proxy_order.order)
+    end
+
     def cancel
       if @proxy_order.cancel
         respond_with(@proxy_order) do |format|

app/models/spree/ability_decorator.rb

@@ -260,7 +260,7 @@ class AbilityDecorator
     can [:destroy], StandingLineItem do |standing_line_item|
       user.enterprises.include?(standing_line_item.standing_order.shop)
     end
-    can [:admin, :cancel, :resume], ProxyOrder do |proxy_order|
+    can [:admin, :edit, :cancel, :resume], ProxyOrder do |proxy_order|
       user.enterprises.include?(proxy_order.standing_order.shop)
     end
   end

app/serializers/api/admin/proxy_order_serializer.rb

@@ -10,6 +10,6 @@ class Api::Admin::ProxyOrderSerializer < ActiveModel::Serializer
   end
 
   def edit_path
-    spree.edit_admin_order_path(object.order)
+    edit_admin_proxy_order_path(object)
   end
 end

config/routes.rb

@@ -187,9 +187,9 @@ Openfoodnetwork::Application.routes.draw do
       post :build, on: :collection
     end
 
-    resources :proxy_orders, only: [], format: :json do
-      put :cancel, on: :member
-      put :resume, on: :member
+    resources :proxy_orders, only: [:edit] do
+      put :cancel, on: :member, format: :json
+      put :resume, on: :member, format: :json
     end
   end