class IdNumberLatam::PeDni

Constants

LETTER
NUMBERS

Attributes

digit[R]

Public Class Methods

new(id_number, opts = {}) click to toggle source
Calls superclass method IdNumberLatam::Base::new
# File lib/id_number_latam/pe_dni.rb, line 10
def initialize(id_number, opts = {})
  super
  @country = :pe
  @digit   = unformat.slice(-1)
end

Public Instance Methods

format() click to toggle source
# File lib/id_number_latam/pe_dni.rb, line 20
def format
  dni = unformat
  digit = dni.slice!(-1)
  formatted_dni = dni.reverse.gsub(/(\d{3})(?=\d)/, '\\1.').reverse
  [formatted_dni, digit].join("-")
end
unformat() click to toggle source
# File lib/id_number_latam/pe_dni.rb, line 16
def unformat
  id_number.gsub(/\D/, "")
end
valid?() click to toggle source
# File lib/id_number_latam/pe_dni.rb, line 27
def valid?
  return false unless valid_length

  dni = unformat
  digit = dni.slice!(-1)

  key = (11 - (dni.chars.zip("32765432".chars).map { |p| p.map(&:to_i).inject(&:*) }.sum % 11))

  NUMBERS[key].to_s == digit
end
valid_length() click to toggle source
# File lib/id_number_latam/pe_dni.rb, line 38
def valid_length
  unformat.size == 9
end