问HomeController显示未定义方法的问题

EN

class Api::V1::HomeController < ShopifyApp::AuthenticatedController
def index
@products = ShopifyAPI::Product.find(:all, params: { limit: 10 })

@products.each do |product|
      StoredProduct.where(shopify_id: product.id)
      .first_or_create do |stored_product|
        stored_product.shopify_id = product.id
        stored_product.shopify_title = product.title
        stored_product.shopify_handle = product.handle
        stored_product.shopify_image_url = product.image.src
        stored_product.shop_id = @shop.id
        stored_product.save

        product.images.each do |image|
          ProductImage.where(shopify_id: image.id)
            .first_or_create do |product_image|
              product_image.image_url = image.src
              product_image.stored_product_id = stored_product_id
              product_image.shopify_id = image.id
          end
        end

      end
    end
  @stored_products = StoredProduct.belongs_to_shop(@shop.id)
  end
end

    private
      def set_shop
        @shop = Shop.find_by(id: session[:shopify])
        set_locale
      end

class StoredProduct < ApplicationRecord
  belongs_to :shop
  has_many :product_images

  scope :belongs_to_shop, -> shop_id { where(shop_id: shop_id) }
end