Module: FFaker::IdentificationTW

Extended by:
IdentificationTW, ModuleUtils
Included in:
IdentificationTW
Defined in:
lib/ffaker/identification_tw.rb

Constant Summary collapse

AREA_CODE = 
{ a: 10, b: 11, c: 12, d: 13, e: 14, f: 15, g: 16, h: 17, i: 34, j: 18, k: 19, l: 20, m: 21, n: 22,
o: 35, p: 23, q: 24, r: 25, s: 26, t: 27, u: 28, v: 29, w: 32, x: 30, y: 31, z: 33 }.freeze

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

#id ⇒ Object

Identity Card Number en.wikipedia.org/wiki/National_identification_card_(Taiwan)#Identity_card_number



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# File 'lib/ffaker/identification_tw.rb', line 13

def id
  letter = FFaker.letterify('?')
  code = AREA_CODE[letter.to_sym]
  gender = fetch_sample([1, 2])
  serial = FFaker.numerify('#######')
  a, b, c, d, e, f, g, h, i, j = "#{code}#{gender}#{serial}".chars.map(&:to_i)

  checksum = ((9 * a) + b + (2 * c) + (3 * d) + (4 * e) + (5 * f) + (6 * g) + (7 * h) + (8 * i) + (9 * j)) % 10
  "#{letter.upcase}#{gender}#{serial}#{checksum}"
end