Module: FFaker::IdentificationKR

Extended by:
IdentificationKR, ModuleUtils
Included in:
IdentificationKR
Defined in:
lib/ffaker/identification_kr.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

#rrn ⇒ Object

Resident Registration Number ko.wikipedia.org/wiki/%EC%A3%BC%EB%AF%BC%EB%93%B1%EB%A1%9D%EB%B2%88%ED%98%B8



10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
# File 'lib/ffaker/identification_kr.rb', line 10

def rrn
  birth = fetch_sample(::Date.new(1970, 1, 1)..::Date.new(1999, 12, 31)).strftime('%y%d%m')
  sex = fetch_sample([1, 2])
  loc = FFaker.numerify("#{fetch_sample(Array('00'..'95'))}###")
  a, b, c, d, e, f, g, h, i, j, k, l = "#{birth}#{sex}#{loc}".chars.map(&:to_i)
  checksum = (
    11 - (
      (
        (2 * a) + (3 * b) + (4 * c) + (5 * d) + (6 * e) + (7 * f) + (8 * g) + (9 * h) +
          (2 * i) + (3 * j) + (4 * k) + (5 * l)
      ) % 11
    )
  ) % 10
  "#{birth}-#{sex}#{loc}#{checksum}"
end