Contents

class CpfValidator < ActiveModel::Validator
  NIL_CPFS = %w(12345678909 11111111111 22222222222 33333333333 44444444444 55555555555 66666666666 77777777777 88888888888 99999999999 00000000000)

  def validate(order)
    ship_address_cpf = order.ship_address.try(:cpf)
    bill_address_cpf = order.bill_address.try(:cpf)

    order.errors.add(:ship_address, :cpf_invalid) if ship_address_cpf && !valid_cpf?(ship_address_cpf) && Spree::Config[:ship_address_has_cpf]
    order.errors.add(:bill_address, :cpf_invalid) if bill_address_cpf && !valid_cpf?(bill_address_cpf)
  end

  private

  def valid_cpf?(cpf)
    value = cpf.scan /[0-9]/
    if value.length == 11
      unless NIL_CPFS.member?(value.join)
        value = value.collect{|x| x.to_i}
        sum = 10*value[0]+9*value[1]+8*value[2]+7*value[3]+6*value[4]+5*value[5]+4*value[6]+3*value[7]+2*value[8]
        sum = sum - (11 * (sum/11))
        result1 = (sum == 0 or sum == 1) ? 0 : 11 - sum
        if result1 == value[9]
          sum = value[0]*11+value[1]*10+value[2]*9+value[3]*8+value[4]*7+value[5]*6+value[6]*5+value[7]*4+value[8]*3+value[9]*2
          sum = sum - (11 * (sum/11))
          result2 = (sum == 0 or sum == 1) ? 0 : 11 - sum
          return true if result2 == value[10] # valid CPF
        end
      end
    end

    false
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
spree_cpf-2.1.7	app/validators/cpf_validator.rb
spree_cpf-2.1.3	app/validators/cpf_validator.rb
spree_cpf-2.1.2	app/validators/cpf_validator.rb