module Ddr
  class Item < Resource

    include HasChildren
    include HasParent
    include HasStructMetadata

    alias_method :collection_id, :parent_id
    alias_method :collection, :parent

    alias_method :components, :children

    self.parent_class = Ddr::Collection

    ### DDRevo #####################
    # TODO: We may want to revisit this alternate implementation once ddr-core is more fully baked
    # or it may be fine just as it is
    ### DDRevo #####################
    def children_having_extracted_text
      # Ddr::Index::Query.build(self) do |item|
      #   is_part_of item
      #   where attached_files_having_content: "extractedText"
      #   fields :id, :extracted_text
      # end
      children.select { |child| child.attached_files_having_content.include?(:extracted_text) }
    end

    ### DDRevo #####################
    # TODO: We may want to revisit this alternate implementation once ddr-core is more fully baked
    # or it may be fine just as it is
    ### DDRevo #####################
    def all_text
      # children_having_extracted_text.docs.map(&:extracted_text).flatten
      children_having_extracted_text.map { |child| child.extracted_text.content }.to_a.flatten
    end

  end
end