Fix recalculate order

app/models/order.rb

@@ -10,7 +10,7 @@ class Order < ActiveRecord::Base
     count = line_items.sum(:quantity)
     count = line_items.sum(:quantity)
     self.update_columns(
     self.update_columns(
       item_count: count,
       item_count: count,
-      item_total: line_items.inject(0) {|sum, item| sum + item.quantity*item.price }
+      item_total: self.reload.line_items.inject(0) {|sum, item| sum + item.quantity*item.price }
     )
     )
   end
   end