gistfile1.rb

 def product_scope
    variants_associations = [{ option_values: :option_type }, {images_for_variant: {variant_images: :image}}, :default_price, :prices, :images, { variant_description: :description }]
    if current_api_user.has_spree_role?("admin")
      scope = Spree::Product.with_deleted.accessible_by(current_ability, :read)
        .includes(:product_properties, {:option_types => :option_values}, variants: variants_associations, master: variants_associations)

      unless params[:show_deleted]
        scope = scope.not_deleted
      end
    else
      scope = Spree::Product.accessible_by(current_ability, :read).active
        .includes(:product_properties, {:option_types => :option_values}, variants: variants_associations, master: variants_associations)
    end

    scope
  end