class ManifestToYaml

# File app/lib/util/manifest_to_yaml.rb, line 70
def load_paths(xmlbody)
  ark = ''
  keys = {}
  xml = Nokogiri::XML(xmlbody).remove_namespaces!
  xml.xpath('/objectInfo/object').each do |doc|
    ark = doc['id']
  end
  xml.xpath('/objectInfo/versions/version').each do |doc|
    v = doc['id'].to_i
    doc.xpath('manifest').each do |m|
      m.xpath('file').each do |f|
        keys["#{ark}/#{v}/#{f['id']}"] = f.xpath('digest').text
      end
    end
  end
  keys
end

# File app/lib/util/manifest_to_yaml.rb, line 11
def load_xml(xmlbody)
  manifest = {}
  xml = Nokogiri::XML(xmlbody).remove_namespaces!
  xml.xpath('/objectInfo/object').each do |doc|
    manifest[:ark] = doc['id']
    manifest[:versions] = []
    doc.xpath('lastAddVersion').each do |el|
      manifest[:last_add_version] = el.text
    end
    manifest[:files] = {}
  end
  last_version = xml.xpath('/objectInfo/versions/version[last()]/@id').text.to_i
  xml.xpath('/objectInfo/versions/version').each do |doc|
    v = doc['id'].to_i
    doc.xpath('manifest').each do |m|
      manifest[:versions] << { num: v, created: m['created'] }
      m.xpath('file').each do |f|
        key = f.xpath('key').text.split('|')[1]
        manifest[:files][f['id']] = manifest[:files].fetch(f['id'], {})
        file = manifest[:files][f['id']]

        file[:versions] = file.fetch(:versions, {})
        vers = file[:versions]
        if key.to_i == v
          vers[v] = vers.fetch(v, {})
          rec = vers[v]
          rec[:creation_date] = f.xpath('creationDate').text
          rec[:digest] = f.xpath('digest').text
          rec[:digestType] = f.xpath('digestType').text
          rec[:size] = f.xpath('size').text.to_i
          rec[:mime_type] = f.xpath('mimeType').text
          rec[:key] = f.xpath('key').text
          rec[:current] = true if v == last_version
        else
          vers[key.to_i][:refs] = vers[key.to_i].fetch(:refs, [])
          vers[key.to_i][:refs].append(v)
          if v == last_version
            vers[key.to_i][:current] = true
            vers[key.to_i].delete(:refs) if vers[key.to_i][:refs].length == v - key.to_i
          end
        end
      end
    end
  end
  manifest[:files] = manifest[:files].sort.to_h
  manifest[:files].each_key do |f|
    current = false
    manifest[:files][f][:versions].each_value do |fv|
      next unless fv.key?(:current)

      current = true
      break
    end
    manifest[:files][f][:DELETED] = true unless current
  end
  manifest = JSON.parse(manifest.to_json)
  "# See https://github.com/CDLUC3/merritt-tinker/tree/main/yaml-manifest for more info\n#{YAML.dump(manifest)}"
end

# File app/lib/util/manifest_to_yaml.rb, line 88
def load_xml_diff(old, curr)
  pathsold = load_paths(old)
  pathscurr = load_paths(curr)

  diff = {}
  pathsold.each do |k, v|
    next if pathsold[k] == pathscurr[k]

    diff[v] = diff.fetch(v, { oldpath: [], newpath: [] })
    diff[v].fetch(:oldpath, []).append(k)
  end
  pathscurr.each do |k, v|
    next if pathsold[k] == pathscurr[k]

    diff[v] = diff.fetch(v, { oldpath: [], newpath: [] })
    diff[v].fetch(:newpath, []).append(k)
  end
  diff
end