Class: CPF

Inherits:
Object
  • Object
show all
Defined in:
lib/cpf.rb,
lib/cpf/formatter.rb,
lib/cpf_cnpj/version.rb,
lib/cpf/verifier_digit.rb

Defined Under Namespace

Classes: Formatter, VerifierDigit

Constant Summary collapse

REGEX =
/\A\d{3}\.\d{3}\.\d{3}-\d{2}\Z/.freeze
VALIDATION_SIZE_REGEX =
/^\d{11}$/.freeze
NUMBER_SIZE =
9
DENYLIST =
%w[
  00000000000
  11111111111
  22222222222
  33333333333
  44444444444
  55555555555
  66666666666
  77777777777
  88888888888
  99999999999
  12345678909
].freeze
VERSION =
CpfCnpj::VERSION

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(number, strict = false) ⇒ CPF

Returns a new instance of CPF.



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# File 'lib/cpf.rb', line 46

def initialize(number, strict = false)
  @number = number.to_s
  @strict = strict
end

Instance Attribute Details

#numberObject

Returns the value of attribute number.



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# File 'lib/cpf.rb', line 8

def number
  @number
end

#strictObject (readonly)

Returns the value of attribute strict.



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# File 'lib/cpf.rb', line 8

def strict
  @strict
end

Class Method Details

.format(number) ⇒ Object



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# File 'lib/cpf.rb', line 28

def self.format(number)
  new(number).formatted
end

.generate(formatted = false) ⇒ Object



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# File 'lib/cpf.rb', line 36

def self.generate(formatted = false)
  numbers = Array(0..9)
  digits = Array.new(NUMBER_SIZE) { numbers.sample }
  digits << VerifierDigit.generate(digits)
  digits << VerifierDigit.generate(digits)

  cpf = new(digits.join)
  formatted ? cpf.formatted : cpf.stripped
end

.valid?(number, strict: false) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'lib/cpf.rb', line 32

def self.valid?(number, strict: false)
  new(number, strict).valid?
end

Instance Method Details

#==(other) ⇒ Object Also known as: eql?



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# File 'lib/cpf.rb', line 85

def ==(other)
  super || (other.instance_of?(self.class) && other.stripped == stripped)
end

#formattedObject



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# File 'lib/cpf.rb', line 62

def formatted
  @formatted ||= Formatter.format(number)
end

#number_without_verifierObject



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# File 'lib/cpf.rb', line 81

def number_without_verifier
  numbers[0...NUMBER_SIZE].join
end

#strippedObject



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# File 'lib/cpf.rb', line 58

def stripped
  @stripped ||= Formatter.strip(number, strict)
end

#valid?Boolean

Returns:

  • (Boolean)


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# File 'lib/cpf.rb', line 66

def valid?
  if strict && !(number.match?(REGEX) || number.match?(VALIDATION_SIZE_REGEX))
    return false
  end

  return false unless stripped.match?(VALIDATION_SIZE_REGEX)
  return false if DENYLIST.include?(stripped)

  digits = numbers[0...NUMBER_SIZE]
  digits << VerifierDigit.generate(digits)
  digits << VerifierDigit.generate(digits)

  digits[-2, 2] == numbers[-2, 2]
end