Class: DataMaker::Validators::ChineseNINValidator

Inherits:
Object
  • Object
show all
Defined in:
lib/data_maker/validators/chinese_nin_validator.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(nin) ⇒ ChineseNINValidator

Returns a new instance of ChineseNINValidator.



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# File 'lib/data_maker/validators/chinese_nin_validator.rb', line 6

def initialize(nin)
  self.nin = nin
end

Instance Attribute Details

#nin ⇒ Object

Returns the value of attribute nin.



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# File 'lib/data_maker/validators/chinese_nin_validator.rb', line 4

def nin
  @nin
end

Class Method Details

.valid?(*args) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/data_maker/validators/chinese_nin_validator.rb', line 10

def self.valid?(*args)
  new(*args).valid?
end

Instance Method Details

#valid? ⇒ Boolean

Returns:

  • (Boolean)

Raises:

  • (ArgumentError) 


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# File 'lib/data_maker/validators/chinese_nin_validator.rb', line 14

def valid?
  raise ArgumentError, "Please pass a NIN to validate!" if nin.nil?
  valid_length? && valid_nin?
end

#valid_length? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/data_maker/validators/chinese_nin_validator.rb', line 19

def valid_length?
  nin.length == 18
end

#valid_nin? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/data_maker/validators/chinese_nin_validator.rb', line 23

def valid_nin?
  checksum = 0
  weights = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2]
  summod = [1, 0, "X", 9, 8, 7, 6, 5, 4, 3, 2]
  weights.each_with_index do |weight, i|
    checksum += (weight * nin[i].to_i)
  end
  nin[17] == summod[(checksum % 11)].to_s
end