if @bank.container_type == "Exercise"
  json.exercise do
    json.extract! @bank, :id, :name, :description, :is_public
  end

  json.partial! "exercises/exercise_scores"

  json.exercise_questions do
    json.array! @exercise_questions do |q|
      json.partial! "exercise_bank_questions/exercise_bank_questions",
                    question: q,
                    choices:q.exercise_bank_choices,
                    shixun_challenges: q.exercise_bank_shixun_challenges,
                    ques_position:nil,
                    edit_type:nil
    end
  end

else
  json.poll do
    json.extract! @bank, :id, :name, :description, :is_public
  end

  json.question_types do
    json.q_counts @poll_questions_count
    json.q_singles @poll_question_singles
    json.q_doubles @poll_question_doubles
    json.q_mains @poll_question_mains
  end

  json.questions do
    json.array! @exercise_questions do | question|
      json.partial! "exercise_banks/poll_questions", question: question, answers: question.exercise_bank_choices
    end
  end
end