module ActiveMerchant::Billing::CreditCardFormatting

Public Instance Methods

expdate(credit_card) click to toggle source
# File lib/active_merchant/billing/credit_card_formatting.rb, line 5
def expdate(credit_card)
  "#{format(credit_card.month, :two_digits)}#{format(credit_card.year, :two_digits)}"
end
format(number, option) click to toggle source

This method is used to format numerical information pertaining to credit cards.

format(2005, :two_digits)  # => "05"
format(05,   :four_digits) # => "0005"
# File lib/active_merchant/billing/credit_card_formatting.rb, line 13
def format(number, option)
  return '' if number.blank?

  case option
    when :two_digits  ; sprintf("%.2i", number.to_i)[-2..-1]
    when :four_digits ; sprintf("%.4i", number.to_i)[-4..-1]
    else number
  end
end