AuthorizeNet / sdk-ruby

  # The core, API agnostic transaction class. You shouldn't instantiate this one.

  # Instead you should use AuthorizeNet::AIM::Transaction,

  # AuthorizeNet::SIM::Transaction or AuthorizeNet::ARB::Transaction.

  class Transaction

    include AuthorizeNet::TypeConversions

    # Fields to convert to/from booleans.

    # Fields to convert to/from BigDecimal.

    # DO NOT USE. Instantiate AuthorizeNet::AIM::Transaction,

    # AuthorizeNet::SIM::Transaction or AuthorizeNet::ARB::Transaction instead.

    def initialize

      @fields ||= {}

    end

    # Sets arbitrary API fields, overwriting existing values if they exist.

    # Takes a hash of key/value pairs, where the keys are the field names

    # without the "x_" prefix. You can set a field to Nil to unset it. If the

    # value is an array, each value in the array will be added. For example,

    # set_fields({:line_item => ["item1<|>golf balls<|><|>2<|>18.95<|>Y",

    # "item2<|>golf bag<|>Wilson golf carry bag, red<|>1<|>39.99<|>"]})

    # would generate two x_line_item fields in the transaction, one for

    # each value in the array.

    def set_fields(fields = {})

      @fields.merge!(fields)

      @fields.reject! { |_k, v| v.nil? }

      @fields

    end

    # Returns the current hash of API fields.

    attr_reader :fields

    # Takes an instance of AuthorizeNet::ShippingAddress and adds it to the

    # transaction.

    def set_shipping_address(address)

      @fields.merge!(address.to_hash)

    end

    # Takes an instance of AuthorizeNet::Customer and adds it to the transaction.

    def set_customer(customer)

      @fields.merge!(customer.to_hash)

    end

    #:enddoc:

    protected

    # Internal method to handle multiple types of payment arguments.

    def handle_payment_argument(payment)

      case payment

      when AuthorizeNet::CreditCard, AuthorizeNet::ECheck

        set_fields(payment.to_hash)

      else

        set_fields(card_num: payment)

      end

    end

  end

end