class QuestionsController < ApplicationController
  def answer
    question = Question.find(params[:id])
    @answer = Answer.find_or_initialize_by(question:)

    send(:"handle_#{question.answer_kind}_answer")
  end

  private

  def handle_simple_answer
    @answer.update!(data: params[:value])
  end

  def handle_image_answer
    @answer.image.attach(
      io: StringIO.new(Base64.decode64(params[:data])),
      filename: params[:filename],
      content_type: params[:mimetype],
    )
    @answer.save!
  end

  def handle_politicians_answer
    @answer.update!(data: params[:order])
  end
end