lol2.rb

    @linked_entities = []
    Rails.application.config.content_types[:all].each do |content_type|
      @linked_entities += @document.document_entities
        .where(entity_type: content_type.name)
        .where.not(entity_id: nil)
        .includes(:entity, entity: [:universe, :user])
        .includes(entity: Rails.application.config.content_relations.fetch(content_type.name, []).map do |relation, data|
          content_type.instance_methods.include?(data[:with]) ? data[:with] : nil
        end.compact)
    end