class PostJSONParser
  def initialize(json)
    @data = JSON.parse(json)
  end

  def params
    {
      "title" => title,
      "content" => content,
      "category" => category,
    }.compact
  end

  private

  attr_accessor :data

  def title
    data.dig("properties", "title", 0)
  end

  def content
    data.dig("properties", "content", 0)
  end

  def category
    data.dig("properties", "category")
  end
end