class ActiveModel::Validations::SirenValidator
Public Instance Methods
valid_siren?(input)
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Validates siren format according to fr.wikipedia.org/wiki/SIREN
# File lib/active_validators/active_model/validations/siren_validator.rb, line 6 def valid_siren?(input) str = input.to_s reversed_array = str.split('').reverse digits = reversed_array.each_with_index.map do |char, i| coeff = (i % 2) + 1 (char.to_i * coeff).to_s.split('') end sum = digits.flatten.map(&:to_i).inject(:+) (sum % 10) == 0 end
validate_each(record, attribute, value)
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# File lib/active_validators/active_model/validations/siren_validator.rb, line 20 def validate_each(record, attribute, value) if value.nil? record.errors.add(attribute, :blank) else if value.to_s.length != 9 record.errors.add attribute, :length else record.errors.add attribute, :format unless valid_siren?(value) end end end