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ActiveMerchant::Billing::CreditCardMethods::ClassMethods

Public Instance Methods

card_companies() click to toggle source

Regular expressions for the known card companies.

References:

# File lib/active_merchant/billing/credit_card_methods.rb, line 58
def card_companies
  CARD_COMPANIES
end
last_digits(number) click to toggle source
# File lib/active_merchant/billing/credit_card_methods.rb, line 87
def last_digits(number)     
  number.to_s.length <= 4 ? number : number.to_s.slice(-4..-1) 
end
mask(number) click to toggle source
# File lib/active_merchant/billing/credit_card_methods.rb, line 91
def mask(number)
  "XXXX-XXXX-XXXX-#{last_digits(number)}"
end
matching_type?(number, type) click to toggle source

Checks to see if the calculated type matches the specified type

# File lib/active_merchant/billing/credit_card_methods.rb, line 96
def matching_type?(number, type)
  type?(number) == type
end
type?(number) click to toggle source

Returns a string containing the type of card from the list of known information below. Need to check the cards in a particular order, as there is some overlap of the allowable ranges

# File lib/active_merchant/billing/credit_card_methods.rb, line 75
def type?(number)
  return 'bogus' if valid_test_mode_card_number?(number)

  card_companies.reject { |c,p| c == 'maestro' }.each do |company, pattern|
    return company.dup if number =~ pattern 
  end
  
  return 'maestro' if number =~ card_companies['maestro']

  return nil
end
valid_number?(number) click to toggle source

Returns true if it validates. Optionally, you can pass a card type as an argument and make sure it is of the correct type.

References:

# File lib/active_merchant/billing/credit_card_methods.rb, line 47
def valid_number?(number)
  valid_test_mode_card_number?(number) || 
    valid_card_number_length?(number) && 
    valid_checksum?(number)
end

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