Sha256: 9611ccd021205e1ac38a515a5ef433b464f825ff07570191342c96915863dff7
Contents?: true
Size: 990 Bytes
Versions: 12
Compression:
Stored size: 990 Bytes
Contents
require 'faker'
require 'faker/address'
require 'faker/company'
require 'faker/internet'
require 'faker/lorem'
require 'faker_extension_fr/name'
require 'faker_extension_fr/company'
require 'faker_extension_fr/phone_number'
require 'faker_extension_fr/address'
require 'faker_extension_fr/version'
module FakerExtensionFr
class Luhn
def self.checksum(number)
products = luhn_doubled(number)
sum = products.inject { |t,p| t + sum_of(p) }
checksum = 10 - (sum % 10)
checksum == 10 ? 0 : checksum
end
def self.luhn_doubled(number)
numbers = split_digits(number).reverse
numbers.map.with_index do |n,i|
i.even? ? n*2 : n*1
end.reverse
end
def self.sum_of(number)
split_digits(number).inject(:+)
end
def self.valid?(number)
numbers = split_digits(number)
numbers.pop == checksum(numbers.join)
end
def self.split_digits(number)
number.to_s.split(//).map(&:to_i)
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems