class SerializablePost < JSONAPI :: Serializable :: Resource type 'posts' attributes :title , :body attribute :date do @object . created_at end belongs_to :author has_many :comments do data do @object . published_comments end link :related do @url_helpers . user_posts_url ( @object . id ) end meta do { count: @object . published_comments . count } end end link :self do @url_helpers . post_url ( @object . id ) end meta do { featured: true } end end