Class: NationalIdsValidator

Inherits:
Object
  • Object
show all
Defined in:
lib/national_ids_validator.rb

Constant Summary collapse

SUPPORTED_COUNTRY_CODES = 
%w(PL NO)

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(value, country_code) ⇒ NationalIdsValidator

Returns a new instance of NationalIdsValidator.



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# File 'lib/national_ids_validator.rb', line 13

def initialize(value,country_code)
  @country_code = country_code.to_s.strip.gsub(/\s+/, '').upcase
  @value = value.to_s.strip.gsub(/\s+/, '').upcase
  unless self.class::SUPPORTED_COUNTRY_CODES.include?(@country_code)
    raise RuntimeError.new("Unexpected country code '#{country_code}' that is not yet supported")
  end
end

Class Method Details

.specifications ⇒ Object 



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# File 'lib/national_ids_validator.rb', line 9

def self.specifications
  @@rules ||= YAML.load_file(File.expand_path("national-ids-validator/rules.yml", File.dirname(__FILE__)))
end

.valid?(value, code) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/national_ids_validator.rb', line 21

def self.valid?(value,code)
  new(value,code).valid?
end

Instance Method Details

#gender ⇒ Object

0 - man, 1 - woman



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# File 'lib/national_ids_validator.rb', line 83

def gender #0 - man, 1 - woman
  if self.valid?
    case @country_code
      when "NO"
        number_data['individual'][2] % 2 == 0 ? 1 : 0
      when "PL"
        number_data['individual'][3] % 2 == 0 ? 1 : 0
    end
  end
end

#number_data ⇒ Object 



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# File 'lib/national_ids_validator.rb', line 79

def number_data
  @number_data ||= Regexp.new("^#{specification['regexp']}$").match(@value) if specification
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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

def valid?
  valid_length? && valid_check_digits?
end

#valid_check_digits? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/national_ids_validator.rb', line 33

def valid_check_digits?
  status = false
  v = self.number_data
  # binding.pry

  case @country_code
    when "NO"
      #http://no.wikipedia.org/wiki/F%C3%B8dselsnummer
      #first control digit
      weights1 = specification['weights1']
      first_sum = 0
      0.upto(@value.length - 3).each do |i|
        first_sum += @value[i].to_i*weights1[i].to_i
      end
      first_digit = 11 - (first_sum % 11)
      #second control digit
      weights2 = specification['weights2']
      second_sum = 0
      0.upto(@value.length - 2).each do |i|
        second_sum += @value[i].to_i*weights2[i].to_i
      end
      second_digit = 11 - (second_sum % 11)
      #check digits
      calculated = [first_digit, second_digit].map!{|k| k == 11 ? 0 : k}
      control = [v["control"][0].to_i, v["control"][1].to_i]
      if calculated[0] == control[0] && calculated[1] == control[1]
        status = true
      end
      # binding.pry
    when "PL"
      weights = specification['weights']
      sum = 0
      0.upto(@value.length - 2).each do |i|
        sum += @value[i].to_i*weights[i].to_i
      end
      first_digit = 10 - (sum % 10)
      calculated = first_digit == 10 ? 0 : first_digit
      control = v["control"][0].to_i
      if calculated == control
        status = true
      end
  end

  return status
end

#valid_length? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/national_ids_validator.rb', line 29

def valid_length?
  !!specification && specification['length'] == @value.length
end