Class: IRD::Validator

Inherits:
Object
  • Object
show all
Defined in:
lib/ird-validator.rb

Class Method Summary collapse

Class Method Details

.validate(irdnum) ⇒ Object 



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# File 'lib/ird-validator.rb', line 3

def self.validate(irdnum)
  ird = (irdnum.is_a? Integer) ? irdnum : irdnum.gsub!('-', '').to_i 
  ird = irdnum.to_i if ird == 0
  return false if ird < 10000000 || ird > 150000000
  last_digit = ird.to_s[-1].to_i
  number = ird.to_s[0..-2].to_s.rjust(8, '0').to_i
  check_digit = self.weighted_check(ird, 32765432)
  if check_digit < 10 
    return check_digit == last_digit
  else
    second_check = self.weighted_check(ird, 74325276)
    if second_check < 10 
      return second_check == last_digit
    else
      return false
    end
  end
end

.weighted_check(irdnum, weight) ⇒ Object 



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# File 'lib/ird-validator.rb', line 21

def self.weighted_check(irdnum, weight)
    counter = 0
    check = Array.new
    check_digit = irdnum.to_s.chars.each do |v| 
      check.push(v.to_i * weight.to_s.split('')[counter+1].to_i) if irdnum.to_s.count('0123456789') == 8
      check.push(v.to_i * weight.to_s.split('')[counter].to_i) if irdnum.to_s.count('0123456789') == 9
      counter += 1
    end
    counter = 0
    check_final = check.inject(0, :+) % 11
    return 0 if (check_final === 0)
    return 11 - check_final
end