Class: Faker::Finance
Constant Summary collapse
- CREDIT_CARD_TYPES =
%i[visa mastercard discover american_express diners_club jcb switch solo dankort maestro forbrugsforeningen laser].freeze
Constants inherited from Base
Base::LLetters, Base::Letters, Base::NOT_GIVEN, Base::Numbers, Base::ULetters
Class Method Summary collapse
-
.credit_card(*types) ⇒ String
Produces a random credit card number.
-
.vat_number(legacy_country = NOT_GIVEN, country: 'BR') ⇒ String
Produces a random vat number.
- .vat_number_keys ⇒ Object
Methods inherited from Base
bothify, disable_enforce_available_locales, fetch, fetch_all, flexible, letterify, method_missing, numerify, parse, rand, rand_in_range, regexify, resolve, respond_to_missing?, sample, shuffle, translate, unique, with_locale
Class Method Details
.credit_card(*types) ⇒ String
Produces a random credit card number.
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# File 'lib/faker/default/finance.rb', line 22 def credit_card(*types) types = CREDIT_CARD_TYPES if types.empty? type = sample(types) template = numerify(fetch("finance.credit_card.#{type}")) # calculate the luhn checksum digit multiplier = 1 luhn_sum = template.gsub(/[^0-9]/, '').split('').reverse.map(&:to_i).inject(0) do |sum, digit| multiplier = (multiplier == 2 ? 1 : 2) sum + (digit * multiplier).to_s.split('').map(&:to_i).inject(0) { |digit_sum, cur| digit_sum + cur } end # the sum plus whatever the last digit is must be a multiple of 10. So, the # last digit must be 10 - the last digit of the sum. luhn_digit = (10 - (luhn_sum % 10)) % 10 template.gsub('L', luhn_digit.to_s) end |
.vat_number(legacy_country = NOT_GIVEN, country: 'BR') ⇒ String
Produces a random vat number.
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# File 'lib/faker/default/finance.rb', line 53 def vat_number(legacy_country = NOT_GIVEN, country: 'BR') warn_for_deprecated_arguments do |keywords| keywords << :country if legacy_country != NOT_GIVEN end numerify(fetch("finance.vat_number.#{country}")) rescue I18n::MissingTranslationData raise ArgumentError, "Could not find vat number for #{country}" end |
.vat_number_keys ⇒ Object
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# File 'lib/faker/default/finance.rb', line 63 def vat_number_keys translate('faker.finance.vat_number').keys end |