Module: FFaker::Code

Extended by:
Code, ModuleUtils
Included in:
Code
Defined in:
lib/ffaker/code.rb

Instance Method Summary collapse

Methods included from ModuleUtils

const_missing, k, luhn_check, underscore, unique

Methods included from RandomUtils

#fetch_sample, #rand, #shuffle

Instance Method Details

#ean ⇒ Object 



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# File 'lib/ffaker/code.rb', line 25

def ean
  ean = rand(100_000_000_000..999_999_999_999).to_s

  sum = 0
  ean.chars.each_with_index { |c, i| sum += c.to_i * (i.odd? ? 3 : 1) }

  nearest_multiple_of_ten = sum.round(-1)
  nearest_multiple_of_ten += 10 if nearest_multiple_of_ten < sum

  "#{ean}#{nearest_multiple_of_ten - sum}"
end

#npi(legacy: false) ⇒ Object 



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# File 'lib/ffaker/code.rb', line 8

def npi(legacy: false)
  max = legacy ? 299_999_999 : 999_999_999
  base_npi = rand(100_000_000..max).to_s

  summed_digits = base_npi
                  .chars
                  .each_with_index
                  .map { |n, i| (i.even? ? n.to_i * 2 : n).to_s }
                  .join
                  .chars
                  .inject(0) { |sum, digit| sum + digit.to_i }

  npi_checksum = (10 - ((24 + summed_digits) % 10)).to_s[-1]

  base_npi + npi_checksum
end