Class: InnValidator

Inherits:
ActiveModel::EachValidator
  • Object
show all
Defined in:
lib/inn_validator.rb

Instance Method Summary collapse

Instance Method Details

#calc(p, inn) ⇒ Object 



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# File 'lib/inn_validator.rb', line 25

def calc(p, inn)
  p.to_enum(:each_with_index).inject(0){|sum, elem| sum + elem[0].to_f * inn[elem[1]].to_f}%11%10
end

#validate_each(record, attribute, inn) ⇒ Object 



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# File 'lib/inn_validator.rb', line 2

def validate_each(record, attribute, inn)
  result = false
  p10 = [2, 4, 10, 3, 5, 9, 4, 6, 8]
  p11 = [7, 2, 4, 10, 3, 5, 9, 4, 6, 8]
  p12 = [3, 7, 2, 4, 10, 3, 5, 9, 4, 6, 8]
  inn = inn.gsub(/\D/, "") unless inn.nil?
  inn ||= []
  if inn.length == 10
    n10 = calc(p10, inn)
    result = (n10 == inn[9].to_i)
  end

  if inn.length == 12
    n11 = calc(p11, inn)
    n12 = calc(p12, inn)
    result = (n11 == inn[10].to_i) && (n12 == inn[11].to_i)
  end

  unless result
    record.errors.add(attribute, :inn, options.merge(:value => inn))
  end
end