osem-fcy/app/controllers/registrations_controller.rb

class RegistrationsController < Devise::RegistrationsController
  prepend_before_action :check_captcha, only: [:create]

  def edit
    @openids = Openid.where(user_id: current_user.id).order(:provider)
    super
  end

  def update
    @openids = Openid.where(user_id: current_user.id).order(:provider)
    super
  end

  protected

  def after_update_path_for(resource)
    edit_user_registration_path(resource)
  end

  def after_sign_up_path_for(resource)
    edit_user_registration_path(resource)
  end

  private

  def sign_up_params
    params.require(:user).permit(
      :email,
      :password,
      :password_confirmation,
      :name,
      :username
    )
  end

  def account_update_params
    params.require(:user).permit(
      :email,
      :password,
      :password_confirmation,
      :current_password,
      :username,
      :email_public
    )
  end

  def check_captcha
    unless verify_recaptcha
      self.resource = resource_class.new sign_up_params
      resource.validate # Look for any other validation errors besides Recaptcha
      respond_with_navigational(resource) { render :new }
    end
  end

end