bugfix, function wasnt creating the hash correctly

app/controllers/products_controller.rb

@@ -35,14 +35,10 @@ class ProductsController < ApplicationController
 
   def list_prices_variants
     children = Product.where("parent_id = ? and status != 0 ", params[:product_id]).pluck(:id)
-    @variants = AvailableProduct.where("pointsale_id = ? and product_id IN (?)", params[:pointsale_id], children).joins(:product).select(:name, :id, :product_id, :attributes_json, :sku)
+    @variants = AvailableProduct.where("pointsale_id = ? and product_id IN (?)", params[:pointsale_id], children).includes(:product)
     @variants_json = Array.new
     @variants.each do |v|
-      @variants_json.push
-      {
-        name:  v.sku + " " + v.name + " <br><small>" + Product.find(v.product_id).display_attributes + "</small>",
-        price:  Product.find(v.product_id).get_price_sale(params[:pointsale_id]), available_product_id:  v.id
-      }
+      @variants_json.push(name: v.product.sku + " " + v.product.name + " <br><small>" + v.product.display_attributes + "</small>", price: v.product.get_price_sale(params[:pointsale_id]), available_product_id: v.id)
     end
     render json: @variants_json.to_json
   end