Class: ActiveModel::Validations::SsnValidatorUSA

Inherits:
Object
  • Object
show all
Defined in:
lib/active_model/validations/ssn_validator.rb

Overview

The Social Security number is a nine-digit number in the format “AAA-GG-SSSS”. The number is divided into three parts. AAA - is the first, GG - is the second and the SSSS is the third. More details: en.wikipedia.org/wiki/Social_Security_number

Instance Method Summary collapse

Constructor Details

#initialize(value) ⇒ SsnValidatorUSA

Returns a new instance of SsnValidatorUSA.



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# File 'lib/active_model/validations/ssn_validator.rb', line 22

def initialize(value)
  @value = value
  @first_group_num  = value[0..2].to_i
  @second_group_num = value[3..4].to_i
  @third_group_num  = value[5..8].to_i
end

Instance Method Details

#all_groups_integers? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_model/validations/ssn_validator.rb', line 33

def all_groups_integers?
  begin
    !!Integer(@value)
  rescue ArgumentError, TypeError
    false
  end
end

#first_group_valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_model/validations/ssn_validator.rb', line 41

def first_group_valid?
  @first_group_num != 0 && @first_group_num != 666 && (@first_group_num < 900 || @first_group_num > 999)
end

#second_group_valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_model/validations/ssn_validator.rb', line 45

def second_group_valid?
  @second_group_num != 0
end

#third_group_valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_model/validations/ssn_validator.rb', line 49

def third_group_valid?
  @third_group_num != 0
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_model/validations/ssn_validator.rb', line 29

def valid?
  all_groups_integers? && first_group_valid? && second_group_valid? && third_group_valid?
end