BPE: Display notice about variant overrides

app/models/spree/variant_decorator.rb

@@ -7,6 +7,7 @@ Spree::Variant.class_eval do
 
   has_many :exchange_variants, dependent: :destroy
   has_many :exchanges, through: :exchange_variants
+  has_many :variant_overrides
 
   attr_accessible :unit_value, :unit_description, :images_attributes, :display_as, :display_name
   accepts_nested_attributes_for :images

app/serializers/api/admin/variant_serializer.rb

@@ -1,6 +1,7 @@
 class Api::Admin::VariantSerializer < ActiveModel::Serializer
   attributes :id, :options_text, :unit_value, :unit_description, :unit_to_display, :on_demand, :display_as, :display_name, :name_to_display
   attributes :on_hand, :price
+  has_many :variant_overrides
 
   def on_hand
     object.on_hand.nil? ? 0 : ( object.on_hand.to_f.finite? ? object.on_hand : "On demand" )

app/views/spree/admin/products/bulk_edit/_products_variant.html.haml

@@ -24,5 +24,6 @@
   %td.actions
     %a{ 'ng-click' => 'editWarn(product,variant)', :class => "edit-variant icon-edit no-text", 'ng-show' => "variantSaved(variant)" }
   %td.actions
+    %span.icon-warning-sign.with-tip{ 'ng-if' => 'variant.variant_overrides', title: "This variant has {{variant.variant_overrides.length}} override(s)" }
   %td.actions
     %a{ 'ng-click' => 'deleteVariant(product,variant)', :class => "delete-variant icon-trash no-text" }