Module: ValidatesCaptcha::FormHelper

Defined in:
lib/validates_captcha/form_helper.rb

Instance Method Summary collapse

Instance Method Details

#captcha_challenge(object_name, options = {}) ⇒ Object

Returns the captcha challenge.

Internally calls the render_challenge method of ValidatesCaptcha#provider.



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# File 'lib/validates_captcha/form_helper.rb', line 6

def captcha_challenge(object_name, options = {})
  options.symbolize_keys!

  object = options.delete(:object)
  sanitized_object_name = object_name.to_s.gsub(/\]\[|[^-a-zA-Z0-9:.]/, "_").sub(/_$/, "")

  ValidatesCaptcha.provider.render_challenge sanitized_object_name, object, options
end

#captcha_field(object_name, options = {}) ⇒ Object

Returns an input tag of the “text” type tailored for entering the captcha solution.

Internally calls Rails’ #text_field helper method, passing the object_name and options arguments.



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# File 'lib/validates_captcha/form_helper.rb', line 19

def captcha_field(object_name, options = {})
  options.delete(:id)

  hidden_field(object_name, :captcha_challenge, options) + text_field(object_name, :captcha_solution, options)
end

#regenerate_captcha_challenge_link(object_name, options = {}, html_options = {}) ⇒ Object

By default, returns an anchor tag that makes an AJAX request to fetch a new captcha challenge and updates the current challenge after the request is complete.

Internally calls render_regenerate_challenge_link method of ValidatesCaptcha#provider.



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# File 'lib/validates_captcha/form_helper.rb', line 29

def regenerate_captcha_challenge_link(object_name, options = {}, html_options = {})
  options.symbolize_keys!

  object = options.delete(:object)
  sanitized_object_name = object_name.to_s.gsub(/\]\[|[^-a-zA-Z0-9:.]/, "_").sub(/_$/, "")

  ValidatesCaptcha.provider.render_regenerate_challenge_link sanitized_object_name, object, options, html_options
end