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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
58:         def card_companies
59:           CARD_COMPANIES
60:         end
last_digits(number) click to toggle source
    # File lib/active_merchant/billing/credit_card_methods.rb, line 87
87:         def last_digits(number)     
88:           number.to_s.length <= 4 ? number : number.to_s.slice(4..1) 
89:         end
mask(number) click to toggle source
    # File lib/active_merchant/billing/credit_card_methods.rb, line 91
91:         def mask(number)
92:           "XXXX-XXXX-XXXX-#{last_digits(number)}"
93:         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
96:         def matching_type?(number, type)
97:           type?(number) == type
98:         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
75:         def type?(number)
76:           return 'bogus' if valid_test_mode_card_number?(number)
77: 
78:           card_companies.reject { |c,p| c == 'maestro' }.each do |company, pattern|
79:             return company.dup if number =~ pattern 
80:           end
81:           
82:           return 'maestro' if number =~ card_companies['maestro']
83: 
84:           return nil
85:         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
47:         def valid_number?(number)
48:           valid_test_mode_card_number?(number) || 
49:             valid_card_number_length?(number) && 
50:             valid_checksum?(number)
51:         end

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