sul-dlss/pre-assembly

# frozen_string_literal: true

module PreAssembly
  # an individual file within a digital object; extends class from assembly-objectfile gem
  class ObjectFile < Assembly::ObjectFile
    alias checksum provider_md5

    # @param [String] path full path
    # @param [Hash<Symbol => Object>] params
    # @see Assembly::ObjectFile
    def initialize(path, params = {})
      super
      @provider_md5 ||= params[:checksum]
    end

    # This is a bit of a lie.  ObjectFiles with the same relative_path but different checksums
    # are clearly not representing the same thing.
    def <=>(other)
      relative_path <=> other.relative_path
    end
  end
end