Move import to new action

Making way for a review step.

app/controllers/admin/dfc_product_imports_controller.rb

@@ -10,7 +10,7 @@ module Admin
       self.class
     end
 
-    def index
+    def import
       # The plan:
       #
       # * Fetch DFC catalog as JSON from URL.

app/views/admin/dfc_product_imports/import.html.haml

@@ -0,0 +1,7 @@
+- content_for :page_title do
+  #{t(".title")}
+
+= render partial: 'spree/admin/shared/product_sub_menu'
+
+%p= t(".imported_products")
+= @count

app/views/admin/dfc_product_imports/index.html.haml

@@ -3,5 +3,4 @@
 
 = render partial: 'spree/admin/shared/product_sub_menu'
 
-%p= t(".imported_products")
-= @count
+watch this space

config/locales/en.yml

@@ -846,7 +846,7 @@ en:
         map: Map
 
     dfc_product_imports:
-      index:
+      import:
         title: "Importing a DFC product catalog"
         imported_products: "Imported products:"
     enterprise_fees:

config/routes/admin.rb

@@ -69,7 +69,9 @@ Openfoodnetwork::Application.routes.draw do
     post '/product_import/save_data', to: 'product_import#save_data', as: 'product_import_save_async'
     post '/product_import/reset_absent', to: 'product_import#reset_absent_products', as: 'product_import_reset_async'
 
-    resources :dfc_product_imports, only: [:index]
+    resources :dfc_product_imports, only: [:index] do
+      post :import, on: :collection
+    end
 
     constraints FeatureToggleConstraint.new(:admin_style_v3) do
       # This might be easier to arrange once we rename the controller to plain old "products"