Adding status to methods results

wrapping_results.rb

class ResultWrapper
  attr_reader :value, :success?, :error_messages
  def failure?
    !success?
  end
end

class SomeController
  def create
    result = process(params[:id])
    if result.success?
      render json: result.value.to_json
    else
      render json: { errors: result.error_messages }.to_json
    end
  end

  def process(input)
    return ResultWrapper.new(error_messages: ["Error processing #{input}"], success?: false) if input.nil?
    ResultWrapper.new(value: input, success?: true)
  end
end