Class: EADSerializer

Inherits:
ASpaceExport::Serializer show all
Defined in:
backend/app/exporters/serializers/ead.rb

Direct Known Subclasses

EAD3Serializer

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from ASpaceExport::Serializer

inherited, serializer_for, serializer_for?, with_namespace

Class Method Details

.add_serialize_step(serialize_step) ⇒ Object

Allow plugins to hook in to record processing by providing their own serialization step (a class with a ‘call’ method accepting the arguments defined in run_serialize_step.



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# File 'backend/app/exporters/serializers/ead.rb', line 12

def self.add_serialize_step(serialize_step)
  @extra_serialize_steps ||= []
  @extra_serialize_steps << serialize_step
end

.run_serialize_step(data, xml, fragments, context) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 17

def self.run_serialize_step(data, xml, fragments, context)
  Array(@extra_serialize_steps).each do |step|
    step.new.call(data, xml, fragments, context)
  end
end

Instance Method Details

If content looks like it contains a valid XML element with an attribute from the expected list, then replace the attribute like “ foo=” with “ xlink:foo=”.



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# File 'backend/app/exporters/serializers/ead.rb', line 102

def add_xlink_prefix(content)
  %w{ actuate arcrole from href role show title to}.each do |xa|
    content.gsub!(/ #{xa}=/) {|match| " xlink:#{match.strip}"} if content =~ / #{xa}=/
  end
  content
end

#escape_content(content) ⇒ Object

ANW-716: We may have content with a mix of loose ‘&’ chars that need to be escaped, along with pre-escaped HTML entities Example: c => “This is the < test & for the Sanford & Son escape_content(c) => “This is the < test & for the Sanford & Son we want to leave the pre-escaped entities alone, and escape the loose & chars



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# File 'backend/app/exporters/serializers/ead.rb', line 49

def escape_content(content)
  # first, find any pre-escaped entities and "mark" them by replacing & with @@
  # so something like &lt; becomes @@lt;
  # and &#1234 becomes @@#1234

  content.gsub!(/&\w+;/) {|t| t.gsub('&', '@@')}
  content.gsub!(/&#\d{4}/) {|t| t.gsub('&', '@@')}
  content.gsub!(/&#\d{3}/) {|t| t.gsub('&', '@@')}

  # now we know that all & characters remaining are not part of some pre-escaped entity, and we can escape them safely
  content.gsub!('&', '&amp;')

  # 'unmark' our pre-escaped entities
  content.gsub!(/@@\w+;/) {|t| t.gsub('@@', '&')}
  content.gsub!(/@@#\d{4}/) {|t| t.gsub('@@', '&')}
  content.gsub!(/@@#\d{3}/) {|t| t.gsub('@@', '&')}

  return content
end

#extract_head_text(content, backup = "") ⇒ Object

this extracts <head> content and returns it. optionally, you can provide a backup text node that will be returned if there is no <head> nodes in the content



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# File 'backend/app/exporters/serializers/ead.rb', line 286

def extract_head_text(content, backup = "")
  content ||= ""
  match = content.strip.match(/<head( [^<>]+)?>(.+?)<\/head>/)
  if match.nil? # content has no head so we return it as it
    return [content, backup ]
  else
    [ content.gsub(match.to_a.first, ''), match.to_a.last]
  end
end

#handle_arks(data, xml) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 254

def handle_arks(data, xml)
  return unless AppConfig[:arks_enabled]
  return unless data.ark_name

  if current_ark = data.ark_name.fetch('current', nil)
    xml.unitid ({
                  "type" => "ark",
                }) {
      xml.extref ({
                    "xlink:href" => current_ark,
                    "xlink:actuate" => "onLoad",
                    "xlink:show" => "new",
                  }) { xml.text 'Archival Resource Key' }
    }
  end

  data.ark_name.fetch('previous', []).each do |old_ark_url|
    xml.unitid ({
      "type" => "ark-superseded",
    }) {
      xml.extref ({
        "xlink:href" => old_ark_url,
        "xlink:actuate" => "onLoad",
        "xlink:show" => "new",
      }) { xml.text 'Previous Archival Resource Key' }
    }
  end
end

#handle_linebreaks(content) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 70

def handle_linebreaks(content)
  # 4archon...
  content.gsub!("\n\t", "\n\n")
  # if there's already p tags, just leave as is
  return content if ( content.strip =~ /^<p(\s|\/|>)/ or content.strip.length < 1 )
  original_content = content
  blocks = content.split("\n\n").select { |b| !b.strip.empty? }
  if blocks.length > 1
    content = blocks.inject("") do |c, n|
      c << "<p>#{escape_content(n.chomp)}</p>"
    end
  else
    content = "<p>#{escape_content(content.strip)}</p>"
  end

  # just return the original content if there's still problems
  xml_errors(content).any? ? original_content : content
end

#is_digital_object_published?(digital_object, file_version = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'backend/app/exporters/serializers/ead.rb', line 523

def is_digital_object_published?(digital_object, file_version = nil)
  if !digital_object['publish']
    return false
  elsif !file_version.nil? and !file_version['publish']
    return false
  else
    return true
  end
end

#prefix_id(id) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 24

def prefix_id(id)
  if id.nil? or id.empty? or id == 'null'
    ""
  elsif id =~ /^#{@id_prefix}/
    id
  else
    "#{@id_prefix}#{id}"
  end
end

#remove_smart_quotes(content) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 93

def remove_smart_quotes(content)
  content = content.gsub(/\xE2\x80\x9C/, '"').gsub(/\xE2\x80\x9D/, '"').gsub(/\xE2\x80\x98/, "\'").gsub(/\xE2\x80\x99/, "\'")
end

#sanitize_mixed_content(content, context, fragments, allow_p = false) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 109

def sanitize_mixed_content(content, context, fragments, allow_p = false )
  # remove smart quotes from text
  content = remove_smart_quotes(content)

  # br's should be self closing
  content = content.gsub("<br>", "<br/>").gsub("</br>", '')
  # lets break the text, if it has linebreaks but no p tags.

  if allow_p
    content = handle_linebreaks(content)
  else
    escape_content(content)
    content = strip_p(content)
  end

  # ANW-669 - only certain EAD elements will have attributes that need
  # xlink added so only do this processing if the element is there
  # attribute check is inside the add_xlink_prefix method
  xlink_eles = %w{ arc archref bibref extptr extptrloc extref extrefloc linkgrp ptr ptrloc ref refloc resource title }
  content = add_xlink_prefix(content) if xlink_eles.any? { |word| content =~ /<#{word}\s/ }

  begin
    if ASpaceExport::Utils.has_html?(content)
      context.text (fragments << content )
    else
      context.text content.gsub("&amp;", "&") #thanks, Nokogiri
    end
  rescue
    context.cdata content
  end
end

#serialize_aspace_uri(data, xml) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 250

def serialize_aspace_uri(data, xml)
  xml.unitid ({ 'type' => 'aspace_uri' }) { xml.text data.uri }
end

#serialize_bibliographies(data, xml, fragments) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 765

def serialize_bibliographies(data, xml, fragments)
  data.bibliographies.each do |note|
    next if note["publish"] === false && !@include_unpublished
    content = ASpaceExport::Utils.extract_note_text(note, @include_unpublished)
    note_type = note["type"] ? note["type"] : "bibliography"
    head_text = note['label'] ? note['label'] : I18n.t("enumerations._note_types.#{note_type}", :default => note_type )
    audatt = note["publish"] === false ? {:audience => 'internal'} : {}

    atts = {:id => prefix_id(note['persistent_id']) }.reject {|k, v| v.nil? || v.empty? || v == "null" }.merge(audatt)

    xml.bibliography(atts) {
      xml.head { sanitize_mixed_content(head_text, xml, fragments) }
      sanitize_mixed_content( content, xml, fragments, true)
      note['items'].each do |item|
        xml.bibref { sanitize_mixed_content( item, xml, fragments) } unless item.empty?
      end
    }
  end
end

#serialize_child(data, xml, fragments, c_depth = 1) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 296

def serialize_child(data, xml, fragments, c_depth = 1)
  return if data["publish"] === false && !@include_unpublished
  return if data["suppressed"] === true

  tag_name = @use_numbered_c_tags ? :"c#{c_depth.to_s.rjust(2, '0')}" : :c

  atts = {:level => data.level, :otherlevel => data.other_level, :id => prefix_id(data.ref_id)}

  if data.publish === false
    atts[:audience] = 'internal'
  end

  atts.reject! {|k, v| v.nil?}
  xml.send(tag_name, atts) {

    xml.did {
      if (val = data.title)
        xml.unittitle { sanitize_mixed_content( val, xml, fragments) }
      end

      if !data.component_id.nil? && !data.component_id.empty?
        xml.unitid data.component_id
      end

      handle_arks(data, xml)

      serialize_aspace_uri(data, xml)

      if @include_unpublished
        data.external_ids.each do |exid|
          xml.unitid ({ "audience" => "internal", "type" => exid['source'], "identifier" => exid['external_id']}) { xml.text exid['external_id']}
        end
      end

      serialize_origination(data, xml, fragments)
      serialize_extents(data, xml, fragments)
      serialize_dates(data, xml, fragments)
      serialize_did_notes(data, xml, fragments)

      if (languages = data.lang_materials)
        serialize_languages(languages, xml, fragments)
      end

      EADSerializer.run_serialize_step(data, xml, fragments, :did)

      data.instances_with_sub_containers.each do |instance|
        serialize_container(instance, xml, @fragments)
      end

      if @include_daos
        data.instances_with_digital_objects.each do |instance|
          serialize_digital_object(instance['digital_object']['_resolved'], xml, fragments)
        end
      end
    }

    serialize_nondid_notes(data, xml, fragments)

    serialize_bibliographies(data, xml, fragments)

    serialize_indexes(data, xml, fragments)

    serialize_controlaccess(data, xml, fragments)

    EADSerializer.run_serialize_step(data, xml, fragments, :archdesc)

    data.children_indexes.each do |i|
      xml.text(
        @stream_handler.buffer {|xml, new_fragments|
          serialize_child(data.get_child(i), xml, new_fragments, c_depth + 1)
        }
      )
    end
  }
end

#serialize_container(inst, xml, fragments) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 481

def serialize_container(inst, xml, fragments)
  atts = {}

  sub = inst['sub_container']
  top = sub['top_container']['_resolved']

  atts[:id] = prefix_id(SecureRandom.hex)
  last_id = atts[:id]

  atts[:type] = top['type'] unless (top['type'].nil? || top['type'].empty?)
  text = top['indicator']

  atts[:label] = I18n.t("enumerations.instance_instance_type.#{inst['instance_type']}",
                        :default => inst['instance_type'])
  atts[:label] << " [#{top['barcode']}]" if top['barcode']

  if (cp = top['container_profile'])
    atts[:altrender] = cp['_resolved']['url'] || cp['_resolved']['name']
  end

  xml.container(atts) {
    sanitize_mixed_content(text, xml, fragments)
  }

  (2..3).each do |n|
    atts = {}

    next unless sub["type_#{n}"]

    atts[:id] = prefix_id(SecureRandom.hex)
    atts[:parent] = last_id
    last_id = atts[:id]

    atts[:type] = sub["type_#{n}"]
    text = sub["indicator_#{n}"]

    xml.container(atts) {
      sanitize_mixed_content(text, xml, fragments)
    }
  end
end

#serialize_controlaccess(data, xml, fragments) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 408

def serialize_controlaccess(data, xml, fragments)
  if (data.controlaccess_subjects.length + data.controlaccess_linked_agents(@include_unpublished).length) > 0
    xml.controlaccess {
      data.controlaccess_subjects.each do |node_data|
        xml.send(node_data[:node_name], node_data[:atts]) {
          sanitize_mixed_content( node_data[:content], xml, fragments, ASpaceExport::Utils.include_p?(node_data[:node_name]) )
        }
      end

      data.controlaccess_linked_agents(@include_unpublished).each do |node_data|
        xml.send(node_data[:node_name], node_data[:atts]) {
          sanitize_mixed_content( node_data[:content], xml, fragments, ASpaceExport::Utils.include_p?(node_data[:node_name]) )
        }
      end
    } #</controlaccess>
  end
end

#serialize_dates(obj, xml, fragments) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 624

def serialize_dates(obj, xml, fragments)
  obj.archdesc_dates.each do |node_data|
    next if node_data["publish"] === false && !@include_unpublished
    audatt = node_data["publish"] === false ? {:audience => 'internal'} : {}
    xml.unitdate(node_data[:atts].merge(audatt)) {
      sanitize_mixed_content( node_data[:content], xml, fragments )
    }
  end
end

#serialize_did_notes(data, xml, fragments) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 635

def serialize_did_notes(data, xml, fragments)
  data.notes.each do |note|
    next if note["publish"] === false && !@include_unpublished
    next unless data.did_note_types.include?(note['type'])

    audatt = note["publish"] === false ? {:audience => 'internal'} : {}
    content = ASpaceExport::Utils.extract_note_text(note, @include_unpublished)

    att = { :id => prefix_id(note['persistent_id']) }.reject {|k, v| v.nil? || v.empty? || v == "null" }
    att ||= {}

    case note['type']
    when 'dimensions', 'physfacet'
      att[:label] = note['label'] if note['label']
      xml.physdesc(audatt) {
        xml.send(note['type'], att) {
          sanitize_mixed_content( content, xml, fragments, ASpaceExport::Utils.include_p?(note['type']) )
        }
      }
    when 'physdesc', 'abstract'
      att[:label] = note['label'] if note['label']
      xml.send(note['type'], att.merge(audatt)) {
        sanitize_mixed_content(content, xml, fragments, ASpaceExport::Utils.include_p?(note['type']))
      }
    else
      xml.send(note['type'], att.merge(audatt)) {
        sanitize_mixed_content(content, xml, fragments, ASpaceExport::Utils.include_p?(note['type']))
      }
    end
  end
end

#serialize_digital_object(digital_object, xml, fragments) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 533

def serialize_digital_object(digital_object, xml, fragments)
  return if digital_object["publish"] === false && !@include_unpublished
  return if digital_object["suppressed"] === true

  # ANW-285: Only serialize file versions that are published, unless include_unpublished flag is set
  file_versions_to_display = digital_object['file_versions'].select {|fv| fv['publish'] == true || @include_unpublished }

  title = digital_object['title']
  date = digital_object['dates'][0] || {}

  atts = {}

  content = ""
  content << title if title
  content << ": " if date['expression'] || date['begin']
  if date['expression']
    content << date['expression']
  elsif date['begin']
    content << date['begin']
    if date['end'] != date['begin']
      content << "-#{date['end']}"
    end
  end
  atts['xlink:title'] = digital_object['title'] if digital_object['title']


  if file_versions_to_display.empty?
    atts['xlink:type'] = 'simple'
    atts['xlink:href'] = digital_object['digital_object_id']
    atts['xlink:actuate'] = 'onRequest'
    atts['xlink:show'] = 'new'
    atts['audience'] = 'internal' unless is_digital_object_published?(digital_object)
    xml.dao(atts) {
      xml.daodesc { sanitize_mixed_content(content, xml, fragments, true) } if content
    }
  elsif file_versions_to_display.length == 1
    file_version = file_versions_to_display.first

    atts['xlink:type'] = 'simple'
    atts['xlink:actuate'] = file_version['xlink_actuate_attribute'] || 'onRequest'
    atts['xlink:show'] = file_version['xlink_show_attribute'] || 'new'
    atts['xlink:role'] = file_version['use_statement'] if file_version['use_statement']
    atts['xlink:href'] = file_version['file_uri']
    atts['audience'] = 'internal' unless is_digital_object_published?(digital_object, file_version)
    xml.dao(atts) {
      xml.daodesc { sanitize_mixed_content(content, xml, fragments, true) } if content
    }
  else
    atts['xlink:type'] = 'extended'
    atts['audience'] = 'internal' unless is_digital_object_published?(digital_object)
    xml.daogrp( atts ) {
      xml.daodesc { sanitize_mixed_content(content, xml, fragments, true) } if content
      file_versions_to_display.each do |file_version|
        atts = {}
        atts['xlink:type'] = 'locator'
        atts['xlink:href'] = file_version['file_uri']
        atts['xlink:role'] = file_version['use_statement'] if file_version['use_statement']
        atts['xlink:title'] = file_version['caption'] if file_version['caption']
        atts['audience'] = 'internal' unless is_digital_object_published?(digital_object, file_version)
        xml.daoloc(atts)
      end
    }
  end
  EADSerializer.run_serialize_step(digital_object, xml, fragments, :dao)
end

#serialize_eadheader(data, xml, fragments) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 822

def serialize_eadheader(data, xml, fragments)
  eadid_url = data.ead_location

  if AppConfig[:arks_enabled] && data.ark_name && (current_ark = data.ark_name.fetch('current', nil))
    eadid_url = current_ark
  end

  eadheader_atts = {:findaidstatus => data.finding_aid_status,
                    :repositoryencoding => "iso15511",
                    :countryencoding => "iso3166-1",
                    :dateencoding => "iso8601",
                    :langencoding => "iso639-2b"}.reject {|k, v| v.nil? || v.empty? || v == "null"}

  xml.eadheader(eadheader_atts) {

    eadid_atts = {:countrycode => data.repo.country,
            :url => eadid_url,
            :mainagencycode => data.mainagencycode}.reject {|k, v| v.nil? || v.empty? || v == "null" }

    xml.eadid(eadid_atts) {
      xml.text data.ead_id
    }

    xml.filedesc {

      xml.titlestmt {

        titleproper = ""
        titleproper += "#{data.finding_aid_title} " if data.finding_aid_title
        titleproper += "#{data.title}" if ( data.title && titleproper.empty? )
        titleproper += "<num>#{(0..3).map {|i| data.send("id_#{i}")}.compact.join('.')}</num>"
        xml.titleproper("type" => "filing") { sanitize_mixed_content(data.finding_aid_filing_title, xml, fragments)} unless data.finding_aid_filing_title.nil?
        xml.titleproper { sanitize_mixed_content(titleproper, xml, fragments) }
        xml.subtitle {  sanitize_mixed_content(data.finding_aid_subtitle, xml, fragments) } unless data.finding_aid_subtitle.nil?
        xml.author { sanitize_mixed_content(data.finding_aid_author, xml, fragments) }  unless data.finding_aid_author.nil?
        xml.sponsor { sanitize_mixed_content( data.finding_aid_sponsor, xml, fragments) } unless data.finding_aid_sponsor.nil?

      }

      unless data.finding_aid_edition_statement.nil?
        xml.editionstmt {
          sanitize_mixed_content(data.finding_aid_edition_statement, xml, fragments, true )
        }
      end

      xml.publicationstmt {
        xml.publisher { sanitize_mixed_content(data.repo.name, xml, fragments) }

        if data.repo.image_url
          xml.p ( { "id" => "logostmt" } ) {
                          xml.extref ({"xlink:href" => data.repo.image_url,
                                      "xlink:actuate" => "onLoad",
                                      "xlink:show" => "embed",
                                      "xlink:type" => "simple"
                                      })
                        }
        end
        if (data.finding_aid_date)
          xml.p {
                  val = data.finding_aid_date
                  xml.date { sanitize_mixed_content( val, xml, fragments) }
                }
        end

        unless data.addresslines.empty?
          xml.address {
            data.addresslines.each do |line|
              xml.addressline { sanitize_mixed_content( line, xml, fragments) }
            end
            if data.repo.url
              xml.addressline ( "URL: " ) {
                 xml.extptr ( {
                         "xlink:href" => data.repo.url,
                         "xlink:title" => data.repo.url,
                         "xlink:type" => "simple",
                         "xlink:show" => "new"
                         } )
               }
            end
          }
        end

        data.metadata_rights_declarations.each do |mrd|
          if mrd["license"]
            license_translation = I18n.t("enumerations.metadata_license.#{mrd['license']}", :default => mrd['license'])
            xml.p (license_translation)
          end
        end
      }

      if (data.finding_aid_series_statement)
        val = data.finding_aid_series_statement
        xml.seriesstmt {
          sanitize_mixed_content( val, xml, fragments, true )
        }
      end
      if ( data.finding_aid_note )
        val = data.finding_aid_note
        xml.notestmt { xml.note { sanitize_mixed_content( val, xml, fragments, true )} }
      end

    }

    xml.profiledesc {
      creation = "This finding aid was produced using ArchivesSpace on <date>#{Time.now}</date>."
      xml.creation { sanitize_mixed_content( creation, xml, fragments) }

      if (val = data.finding_aid_language_note)
        xml.langusage (fragments << val)
      else
        xml.langusage() {
          xml.text(I18n.t("resource.finding_aid_langusage_label"))
          xml.language({langcode: "#{data.finding_aid_language}", :scriptcode => "#{data.finding_aid_script}"}) {
            xml.text(I18n.t("enumerations.language_iso639_2.#{data.finding_aid_language}"))
            xml.text(", ")
            xml.text(I18n.t("enumerations.script_iso15924.#{data.finding_aid_script}"))
            xml.text(" #{I18n.t("language_and_script.script").downcase}")}
          xml.text(".")
        }
      end

      if (val = data.descrules)
        xml.descrules { sanitize_mixed_content(val, xml, fragments) }
      end
    }

    export_rs = @include_unpublished ? data.revision_statements : data.revision_statements.reject { |rs| !rs['publish'] }
    if export_rs.length > 0
      xml.revisiondesc {
        export_rs.each do |rs|
          if rs['description'] && rs['description'].strip.start_with?('<')
            xml.text (fragments << rs['description'] )
          else
            xml.change(rs['publish'] ? nil : {:audience => 'internal'}) {
              rev_date = rs['date'] ? rs['date'] : ""
              xml.date (fragments <<  rev_date )
              xml.item (fragments << rs['description']) if rs['description']
            }
          end
        end
      }
    end
  }
end

#serialize_extents(obj, xml, fragments) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 600

def serialize_extents(obj, xml, fragments)
  if obj.extents.length
    obj.extents.each do |e|
      next if e["publish"] === false && !@include_unpublished
      audatt = e["publish"] === false ? {:audience => 'internal'} : {}
      xml.physdesc({:altrender => e['portion']}.merge(audatt)) {
        if e['number'] && e['extent_type']
          xml.extent({:altrender => 'materialtype spaceoccupied'}) {
            sanitize_mixed_content("#{e['number']} #{I18n.t('enumerations.extent_extent_type.'+e['extent_type'], :default => e['extent_type'])}", xml, fragments)
          }
        end
        if e['container_summary']
          xml.extent({:altrender => 'carrier'}) {
            sanitize_mixed_content( e['container_summary'], xml, fragments)
          }
        end
        xml.physfacet { sanitize_mixed_content(e['physical_details'], xml, fragments) } if e['physical_details']
        xml.dimensions  { sanitize_mixed_content(e['dimensions'], xml, fragments) } if e['dimensions']
      }
    end
  end
end

#serialize_indexes(data, xml, fragments) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 786

def serialize_indexes(data, xml, fragments)
  data.indexes.each do |note|
    next if note["publish"] === false && !@include_unpublished
    audatt = note["publish"] === false ? {:audience => 'internal'} : {}
    content = ASpaceExport::Utils.extract_note_text(note, @include_unpublished)
    head_text = nil
    if note['label']
      head_text = note['label']
    elsif note['type']
      head_text = I18n.t("enumerations._note_types.#{note['type']}", :default => note['type'])
    end
    atts = {:id => prefix_id(note["persistent_id"]) }.reject {|k, v| v.nil? || v.empty? || v == "null" }.merge(audatt)

    content, head_text = extract_head_text(content, head_text)
    xml.index(atts) {
      xml.head { sanitize_mixed_content(head_text, xml, fragments ) } unless head_text.nil?
      sanitize_mixed_content(content, xml, fragments, true)
      note['items'].each do |item|
        next unless (node_name = data.index_item_type_map[item['type']])
        xml.indexentry {
          atts = item['reference'] ? {:target => prefix_id( item['reference']) } : {}
          if (val = item['value'])
            xml.send(node_name) { sanitize_mixed_content(val, xml, fragments )}
          end
          if (val = item['reference_text'])
            xml.ref(atts) {
              sanitize_mixed_content( val, xml, fragments)
            }
          end
        }
      end
    }
  end
end

#serialize_languages(languages, xml, fragments) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 667

def serialize_languages(languages, xml, fragments)
  lm = []
  language_notes = languages.map {|l| l['notes']}.compact.reject {|e| e == [] }.flatten
  if !language_notes.empty?
    language_notes.each do |note|
      unless note["publish"] === false && !@include_unpublished
        audatt = note["publish"] === false ? {:audience => 'internal'} : {}
        content = ASpaceExport::Utils.extract_note_text(note, @include_unpublished)

        att = { :id => prefix_id(note['persistent_id']) }.reject {|k, v| v.nil? || v.empty? || v == "null" }
        att ||= {}

        xml.send(note['type'], att.merge(audatt)) {
          sanitize_mixed_content(content, xml, fragments, ASpaceExport::Utils.include_p?(note['type']))
        }
        lm << note
      end
    end
    if lm == []
      languages = languages.map {|l| l['language_and_script']}.compact
      xml.langmaterial {
        languages.map {|language|
          punctuation = language.equal?(languages.last) ? '.' : ', '
          lang_translation = I18n.t("enumerations.language_iso639_2.#{language['language']}", :default => language['language'])
          if language['script']
            xml.language(:langcode => language['language'], :scriptcode => language['script']) {
              xml.text(lang_translation)
            }
          else
            xml.language(:langcode => language['language']) {
              xml.text(lang_translation)
            }
          end
          xml.text(punctuation)
        }
      }
    end
  # ANW-697: If no Language Text subrecords are available, the Language field translation values for each Language and Script subrecord should be exported, separated by commas, enclosed in <language> elements with associated @langcode and @scriptcode attribute values, and terminated by a period.
  else
    languages = languages.map {|l| l['language_and_script']}.compact
    if !languages.empty?
      xml.langmaterial {
        languages.map {|language|
          punctuation = language.equal?(languages.last) ? '.' : ', '
          lang_translation = I18n.t("enumerations.language_iso639_2.#{language['language']}", :default => language['language'])
          if language['script']
            xml.language(:langcode => language['language'], :scriptcode => language['script']) {
              xml.text(lang_translation)
            }
          else
            xml.language(:langcode => language['language']) {
              xml.text(lang_translation)
            }
          end
          xml.text(punctuation)
        }
      }
    end
  end
end

#serialize_nondid_notes(data, xml, fragments) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 747

def serialize_nondid_notes(data, xml, fragments)
  data.notes.each do |note|
    next if note["publish"] === false && !@include_unpublished
    next if note['internal']
    next if note['type'].nil?
    next unless data.archdesc_note_types.include?(note['type'])
    audatt = note["publish"] === false ? {:audience => 'internal'} : {}
    if note['type'] == 'legalstatus'
      xml.accessrestrict(audatt) {
        serialize_note_content(note, xml, fragments)
      }
    else
      serialize_note_content(note, xml, fragments)
    end
  end
end

#serialize_note_content(note, xml, fragments) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 728

def serialize_note_content(note, xml, fragments)
  return if note["publish"] === false && !@include_unpublished
  audatt = note["publish"] === false ? {:audience => 'internal'} : {}
  content = note["content"]

  atts = {:id => prefix_id(note['persistent_id']) }.reject {|k, v| v.nil? || v.empty? || v == "null" }.merge(audatt)

  head_text = note['label'] ? note['label'] : I18n.t("enumerations._note_types.#{note['type']}", :default => note['type'])
  content, head_text = extract_head_text(content, head_text)
  xml.send(note['type'], atts) {
    xml.head { sanitize_mixed_content(head_text, xml, fragments) } unless ASpaceExport::Utils.headless_note?(note['type'], content )
    sanitize_mixed_content(content, xml, fragments, ASpaceExport::Utils.include_p?(note['type']) ) if content
    if note['subnotes']
      serialize_subnotes(note['subnotes'], xml, fragments, ASpaceExport::Utils.include_p?(note['type']))
    end
  }
end

#serialize_origination(data, xml, fragments) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 373

def serialize_origination(data, xml, fragments)
  unless data.creators_and_sources.nil?
    data.creators_and_sources.each do |link|
      agent = link['_resolved']
      published = agent['publish'] === true

      next if !published && !@include_unpublished

      link['role'] == 'creator' ? role = link['role'].capitalize : role = link['role']
      relator = link['relator']
      sort_name = agent['display_name']['sort_name']
      rules = agent['display_name']['rules']
      source = agent['display_name']['source']
      authfilenumber = agent['display_name']['authority_id']
      node_name = case agent['agent_type']
                  when 'agent_person'; 'persname'
                  when 'agent_family'; 'famname'
                  when 'agent_corporate_entity'; 'corpname'
                  when 'agent_software'; 'name'
                  end

      origination_attrs = {:label => role}
      origination_attrs[:audience] = 'internal' unless published
      xml.origination(origination_attrs) {
        atts = {:role => relator, :source => source, :rules => rules, :authfilenumber => authfilenumber}
        atts.reject! {|k, v| v.nil?}

        xml.send(node_name, atts) {
          sanitize_mixed_content(sort_name, xml, fragments )
        }
      }
    end
  end
end

#serialize_subnotes(subnotes, xml, fragments, include_p = true) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 426

def serialize_subnotes(subnotes, xml, fragments, include_p = true)
  subnotes.each do |sn|
    next if sn["publish"] === false && !@include_unpublished

    audatt = sn["publish"] === false ? {:audience => 'internal'} : {}

    title = sn['title']

    case sn['jsonmodel_type']
    when 'note_text'
      sanitize_mixed_content(sn['content'], xml, fragments, include_p )
    when 'note_chronology'
      xml.chronlist(audatt) {
        xml.head { sanitize_mixed_content(title, xml, fragments) } if title

        sn['items'].each do |item|
          xml.chronitem {
            if (val = item['event_date'])
              xml.date { sanitize_mixed_content( val, xml, fragments) }
            end
            if item['events'] && !item['events'].empty?
              xml.eventgrp {
                item['events'].each do |event|
                  xml.event { sanitize_mixed_content(event, xml, fragments) }
                end
              }
            end
          }
        end
      }
    when 'note_orderedlist'
      atts = {:type => 'ordered', :numeration => sn['enumeration']}.reject {|k, v| v.nil? || v.empty? || v == "null" }.merge(audatt)
      xml.list(atts) {
        xml.head { sanitize_mixed_content(title, xml, fragments) } if title

        sn['items'].each do |item|
          xml.item { sanitize_mixed_content(item, xml, fragments)}
        end
      }
    when 'note_definedlist'
      xml.list({:type => 'deflist'}.merge(audatt)) {
        xml.head { sanitize_mixed_content(title, xml, fragments) } if title

        sn['items'].each do |item|
          xml.defitem {
            xml.label { sanitize_mixed_content(item['label'], xml, fragments) } if item['label']
            xml.item { sanitize_mixed_content(item['value'], xml, fragments )} if item['value']
          }
        end
      }
    end
  end
end

#stream(data) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 141

def stream(data)
  @stream_handler = ASpaceExport::StreamHandler.new
  @fragments = ASpaceExport::RawXMLHandler.new
  @include_unpublished = data.include_unpublished?
  @include_daos = data.include_daos?
  @use_numbered_c_tags = data.use_numbered_c_tags?
  @id_prefix = I18n.t('archival_object.ref_id_export_prefix', :default => 'aspace_')

  doc = Nokogiri::XML::Builder.new(:encoding => "UTF-8") do |xml|
    ead_attributes = {
      'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance',
      'xsi:schemaLocation' => 'urn:isbn:1-931666-22-9 http://www.loc.gov/ead/ead.xsd',
      'xmlns:xlink' => 'http://www.w3.org/1999/xlink'
    }

    if data.publish === false
      ead_attributes['audience'] = 'internal'
    end

    xml.ead( ead_attributes ) {

      xml.text (
@stream_handler.buffer { |xml, new_fragments|
serialize_eadheader(data, xml, new_fragments)
})

      atts = {:level => data.level, :otherlevel => data.other_level}
      atts.reject! {|k, v| v.nil?}

      xml.archdesc(atts) {

        xml.did {

          if (val = data.repo.name)
            xml.repository {
              xml.corpname { sanitize_mixed_content(val, xml, @fragments) }
            }
          end

          if (val = data.title)
            xml.unittitle { sanitize_mixed_content(val, xml, @fragments) }
          end

          serialize_origination(data, xml, @fragments)

          xml.unitid (0..3).map {|i| data.send("id_#{i}")}.compact.join('.')

          if @include_unpublished
            data.external_ids.each do |exid|
              xml.unitid ({ "audience" => "internal", "type" => exid['source'], "identifier" => exid['external_id']}) { xml.text exid['external_id']}
            end
          end

          handle_arks(data, xml)

          serialize_aspace_uri(data, xml)

          serialize_extents(data, xml, @fragments)

          serialize_dates(data, xml, @fragments)

          serialize_did_notes(data, xml, @fragments)

          if (languages = data.lang_materials)
            serialize_languages(languages, xml, @fragments)
          end

          data.instances_with_sub_containers.each do |instance|
            serialize_container(instance, xml, @fragments)
          end

          EADSerializer.run_serialize_step(data, xml, @fragments, :did)

        }# </did>

        data.digital_objects.each do |dob|
          serialize_digital_object(dob, xml, @fragments)
        end

        serialize_nondid_notes(data, xml, @fragments)

        serialize_bibliographies(data, xml, @fragments)

        serialize_indexes(data, xml, @fragments)

        serialize_controlaccess(data, xml, @fragments)

        EADSerializer.run_serialize_step(data, xml, @fragments, :archdesc)

        xml.dsc {

          data.children_indexes.each do |i|
            xml.text(
              @stream_handler.buffer {|xml, new_fragments|
                serialize_child(data.get_child(i), xml, new_fragments)
              }
            )
          end
        }
      }
    }
  end
  doc.doc.root.add_namespace nil, 'urn:isbn:1-931666-22-9'

  Enumerator.new do |y|
    @stream_handler.stream_out(doc, @fragments, y)
  end
end

#strip_p(content) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 89

def strip_p(content)
  content.gsub("<p>", "").gsub("</p>", "").gsub("<p/>", '')
end

#xml_errors(content) ⇒ Object 



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# File 'backend/app/exporters/serializers/ead.rb', line 34

def xml_errors(content)
  # there are message we want to ignore. annoying that java xml lib doesn't
  # use codes like libxml does...
  ignore = [ /Namespace prefix .* is not defined/, /The prefix .* is not bound/ ]
  ignore = Regexp.union(ignore)
  # the "wrap" is just to ensure that there is a psuedo root element to eliminate a "false" error
  Nokogiri::XML("<wrap>#{content}</wrap>").errors.reject { |e| e.message =~ ignore }
end