skill-assessment-app/app/controllers/admin/question_controller.rb

module Admin
  class QuestionController < AdminController
    def index
      @questions = Question.includes(:quiz).order("quizzes.name", { active: :desc }, :sort)
    end

    def new
      @question = Question.new(active: true)
      @quizzes = Quiz.all
    end

    def create
      @quizzes = Quiz.all
      @question = Question.create(process_question_params)

      if @question.persisted?
        redirect_to admin_questions_path, flash: { notice: "Sucessfully created question" }
      else
        flash[:error] = "Failed to save question."
        render :new
      end
    end

    def view
      @question = Question.includes(:quiz).find(params[:question_id])
    end

    def edit
      @quizzes = Quiz.all
      @question = Question.includes(:quiz).find(params[:question_id])
    end

    def update
      @quizzes = Quiz.all
      @question = Question.find(params[:question_id])

      if @question.update_attributes(process_question_params)
        redirect_to admin_question_path(@question.to_i),
                    flash: { notice: "Sucessfully updated question" }
      else
        flash[:error] = "Failed to update question."
        render :edit
      end
    end

    def options
      @question = params[:question_id].present? ? Question.find(params[:question_id]) : Question.new
      render layout: false
    end

    private

      def question_params
        params.require(:question).permit(
          :quiz_id, :question, :category, :input_type, :sort, :active, :input_options,
          multi_choice: [], live_code: [:later, :html, :css, :js, :text]
        )
      end

      def process_question_params
        question = question_params
        question[:input_options] = question_params[:multi_choice] unless question_params[:multi_choice].nil?
        question[:input_options] = question_params[:live_coder] unless question_params[:live_coder].nil?
        question.delete(:multi_choice)
        question.delete(:live_coder)
        question
      end
  end
end