class ProductOrder
  include SimplyStored::Couch
  include ActiveModel::SerializerSupport

  property :quantity, type: Integer
  property :price, type: Float
  property :product_name
  property :product_variant

  belongs_to :product
  belongs_to :order

  view :by_product_id, key: :product_id
  view :by_order_id, key: :order_id

  # Getter for product name. If a supplier deletes a product, that has product_orders, the product
  # will become nil. This method should handle this case.
  alias_method :direct_product_name, :product_name
  def product_name
    direct_product_name.presence || product.try(:name) || '[deleted]'
  end
end