def source_country
      # source can only be accessed via Customer
      cus = Stripe::Customer.retrieve self.indifferent_json[:customer]
      # TODO this is wrong, because there might be multiple sources and I 
      # just randomly select the first one - also some source types might NOT even
      # have a country information
      cus.sources.data[0].country
    end
def source_country
      # source can only be accessed via Customer
      cus = Stripe::Customer.retrieve self.indifferent_json[:customer]
      # TODO this is wrong, because there might be multiple sources and I 
      # just randomly select the first one - also some source types might NOT even
      # have a country information
      cus.sources.data[0].country
    end
the country the source is registered in