```ruby
module Spree
  class Gateway::KomojuCreditCard < KomojuGateway
    def auto_capture?
      true
    end

    def purchase(money, source, options)
      options = change_options_to_dollar(options) if options[:currency] == "JPY"
      if profile_id = source.gateway_payment_profile_id
        payment_details = profile_id
      else
        payment_details = source.to_active_merchant
      end
      super(money - options[:tax], payment_details, options)
    end

    def create_profile(payment)
      if payment.source.gateway_customer_profile_id.nil? && payment.source.number.present?
        response = provider.store(payment.source, options)

        if response.success?
          payment.source.update_attributes!(:gateway_payment_profile_id => response.params['id'])
        else
          payment.send(:gateway_error, response.message)
        end
      end
    end
  end
end
```

Convert credit card to active merchant before storing
user
```ruby
module Spree
  class Gateway::KomojuCreditCard < KomojuGateway
    def auto_capture?
      true
    end

    def purchase(money, source, options)
      options = change_options_to_dollar(options) if options[:currency] == "JPY"
      if profile_id = source.gateway_payment_profile_id
        payment_details = profile_id
      else
        payment_details = source.to_active_merchant
      end
      super(money - options[:tax], payment_details, options)
    end

    def create_profile(payment)
      if payment.source.gateway_customer_profile_id.nil? && payment.source.number.present?
        response = provider.store(payment.source.to_active_merchant, options)

        if response.success?
          payment.source.update_attributes!(:gateway_payment_profile_id => response.params['id'])
        else
          payment.send(:gateway_error, response.message)
        end
      end
    end
  end
end
```
assistant