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# frozen_string_literal: true
module FFaker
module IdentificationESCL
extend IdentificationES
extend ModuleUtils
extend self
# RUT is the Chilean ID, followed by format: XX.XXX.XXX - Y
# http://es.wikipedia.org/wiki/Rol_%C3%9Anico_Tributario
#
# The last Y is a modulo 11 validation code. In the case the result is 10, it will be
# replaced by a 'K' character
def rut
# Rut is gonna be between 1.000.000 and 24.999.999
n = rand(1_000_000...25_000_000)
"#{n}-#{dv(n)}"
end
private
def dv(rut)
total = rut.to_s.rjust(8, '0').chars.zip(%w[3 2 7 6 5 4 3 2]).sum do |a, b|
a.to_i * b.to_i
end
(11 - (total % 11)).to_s.gsub('10', 'k').gsub('11', '0')
end
end
end
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