Module: TextCaptcha::Validation::InstanceMethods

Defined in:
lib/text_captcha/validation.rb

Instance Method Summary collapse

Instance Method Details

#all_challenges ⇒ Object

Return all questions.



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# File 'lib/text_captcha/validation.rb', line 95

def all_challenges
  @all_challenges ||= I18n.t("text_captcha.challenges")
end

#challenge ⇒ Object

Return the question string.



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# File 'lib/text_captcha/validation.rb', line 79

def challenge
  current_challenge.first
end

#challenge_answers ⇒ Object

Return all accepted answers.



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# File 'lib/text_captcha/validation.rb', line 84

def challenge_answers
  current_challenge.last
end

#challenge_id ⇒ Object

Return the question id. If none is assigned it chooses on randomly.



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# File 'lib/text_captcha/validation.rb', line 90

def challenge_id
  @challenge_id ||= Kernel.rand(all_challenges.count)
end

#current_challenge ⇒ Object

Return an array with the current question and its answers.



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# File 'lib/text_captcha/validation.rb', line 74

def current_challenge
  all_challenges[challenge_id.to_i]
end

#valid_challenge_answer? ⇒ Boolean

Detect if the answer is correct. Will also return true if TextCaptcha.enabled is set to false.

Returns:

  • (Boolean) 


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# File 'lib/text_captcha/validation.rb', line 101

def valid_challenge_answer?
  return false unless current_challenge
  return true unless TextCaptcha.enabled

  answers = challenge_answers.collect {|a| to_captcha(a)}
  !challenge_answer.blank? && answers.include?(to_captcha(challenge_answer))
end