skill-assessment-app/app/controllers/candidate_controller.rb

class CandidateController < ApplicationController
  def welcome
  end

  def question
    @question = Question.order("RAND()").first # .where(input_type: 'live-coder')
    @status = QuizStatus.new(Candidate.order("RAND()").first)
    @answer = @question.answers.order("RAND()").first
  end

  def update_question
    redirect_to :saved and return if params[:save] == 'Save'
    redirect_to :question
  end

  def summary
  end

  def thankyou
  end

  def saved
  end

  def validate
    redirect_to :question
  end

  private

    def question_params
      params.permit(:save)
    end
end