JSONApi progress

app/serializers/users/product_order_serializer.rb

@@ -1,6 +1,6 @@
 # Used for user ember1
-class Users::ProductOrderSerializer < Qwaiter::Serializer
+class Users::ProductOrderSerializer < Qwaiter::UserBaseSerializer
   attributes :quantity, :price, :product_name, :product_variant
   # belongs_to :product #DO NOT USE THIS, THIS IS NOT NEEDED
-  belongs_to :order
+  has_one :order, serializer: Users::OrderSerializer
 end