Class: Faker::CPF

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

Class Method Summary collapse

Class Method Details

.numeric ⇒ Object Also known as: number, numbers

Generates a valid CPF number with numbers only. Returns a String (since it might contain leading zeros).

Example:

Faker::CPF.number # => "11438374798"



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# File 'lib/faker/cpf.rb', line 9

def numeric
  cpf_root = Array.new(9) { rand(10) }

  # calculate first digit
  sum = (0..8).inject(0) do |sum, i|
    sum + cpf_root[i] * (10 - i)
  end

  first_validator = sum % 11
  first_validator = first_validator < 2 ? 0 : 11 - first_validator
  cpf_root << first_validator

  # calculate second digit
  sum = (0..8).inject(0) do |sum, i|
    sum + cpf_root[i] * (11 - i)
  end

  sum += first_validator * 2

  second_validator = sum % 11
  second_validator = second_validator < 2 ? 0 : 11 - second_validator
  (cpf_root << second_validator).join
end

.pretty ⇒ Object Also known as: cpf, formatted

Generates a valid CPF number with numbers and separators. Returns a String.

Example:

Faker::CPF.number # => "059.893.186-42"



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# File 'lib/faker/cpf.rb', line 39

def pretty
    cpf_numbers = numeric
    "%s.%s.%s-%s" % [cpf_numbers[0..2], cpf_numbers[3..5], cpf_numbers[6..8], cpf_numbers[9..10]]
end