zhishi-engine/zhishi-backend

module QueuePresenters
  class ZhishiNotificationPresenter < BaseNotificationPresenter
    attr_reader :notification_object, :type, :key, :id, :url, :content
    delegate :[], to: :notification_object

    def initialize(obj)
      @notification_object = obj
      deserialize_attributes
    end

    def deserialize_attributes
      @id = notification_object[:payload][:id]
      @url = notification_object[:payload][:url]
      @content = notification_object[:payload][:content]
      @type = notification_object[:type]
      @key = notification_object[:key]
    end


    private
      def question_data
        @question_object ||= case type_klass
        when 'Question'
          notification_object[:payload]
        when 'Answer'
          notification_object[:payload][:question]
        when 'Comment'
          fetch_question_from_comment(notification_object[:payload][:parent])
        end
      end

      def type_klass
        keys = {
          'new.comment' => 'Comment',
          'new.answer' => 'Answer',
          'new.question' => 'Question'
        }
        keys[key]
      end
  end
end