account_update_policy.rb

# This calss decides whether or not we should attempt to update a credit
# card via the account updater
class CreditCard::AccountUpdatePolicy
  # Initializes the class
  # @param [CreditCard] credit_card The credit card we want to check for updating
  # @raise [StandardError] Raised if the credit card doesn't have it's transactions and orders loaded
  def initialize(credit_card)
    if !credit_card.transactions.loaded? || !credit_card.orders.loaded? then
      raise StandardError.new("Please preload the transactions and orders for this credit card")
    end
    @credit_card = credit_card
  end