Class: MARCModel

Inherits:
ASpaceExport::ExportModel show all
Includes:
JSONModel
Defined in:
backend/app/exporters/models/marc21.rb

Constant Summary collapse

ISO_3166_TO_MARC =

ANW-1416: Maps ISO-3166 country code to MARC country code

{"AE" => "ts", "AF" => "af", "AG" => "aq", "AI" => "ag", "AL" => "aa", "AM" => "ai", "AO" => "ao", "AQ" => "ay", "AR" => "ag", "AS" => "as", "AT" => "au", "AU" => "at", "AW" => "aw", "AX" => "xx", "AZ" => "aj", "BA" => "bn", "BB" => "bb", "BD" => "bg", "BE" => "be", "BF" => "xx", "BG" => "bu", "BH" => "ba", "BI" => "bd", "BJ" => "dm", "BL" => "sc", "BM" => "bm", "BN" => "bx", "BO" => "bo", "BQ" => "xx", "BR" => "bl", "BS" => "bf", "BT" => "bt", "BV" => "bv", "BW" => "bs", "BY" => "bw", "BZ" => "bh", "CA" => "xxc", "CC" => "xb", "CD" => "cg", "CF" => "cx", "CG" => "cf", "CH" => "sz", "CI" => "iv", "CK" => "cw", "CL" => "cl", "CM" => "cm", "CN" => "cc", "CO" => "ck", "CR" => "cr", "CU" => "cu", "CV" => "cv", "CW" => "co", "CX" => "xa", "CY" => "cy", "CZ" => "xr", "DE" => "gw", "DJ" => "ft", "DK" => "dk", "DM" => "dq", "DO" => "dr", "DZ" => "ae", "EC" => "ec", "EE" => "er", "EG" => "ua", "EH" => "ss", "ER" => "ea", "ES" => "sp", "ET" => "et", "FI" => "fi", "FJ" => "fj", "FK" => "fk", "FM" => "fm", "FO" => "fa", "FR" => "fr", "GA" => "go", "GB" => "xxk", "GD" => "gd", "GE" => "gs", "GF" => "gv", "GG" => "gg", "GH" => "gh", "GI" => "gi", "GL" => "gl", "GM" => "gm", "GN" => "gv", "GP" => "gp", "GQ" => "eg", "GR" => "gr", "GS" => "xs", "GT" => "gt", "GU" => "gu", "GW" => "pg", "GY" => "gy", "HK" => "xx", "HM" => "hm", "HN" => "ho", "HR" => "ci", "HT" => "ht", "HU" => "hu", "ID" => "io", "IE" => "ie", "IL" => "is", "IM" => "im", "IN" => "ii", "IO" => "bi", "IQ" => "iq", "IR" => "ir", "IS" => "ic", "IT" => "it", "JE" => "je", "JM" => "jm", "JO" => "jo", "JP" => "ja", "KE" => "ke", "KG" => "kg", "KH" => "cb", "KI" => "gb", "KM" => "cq", "KN" => "xd", "KP" => "kn", "KR" => "ko", "KW" => "ku", "KY" => "cj", "KZ" => "kz", "LA" => "xx", "LB" => "le", "LC" => "xk", "LI" => "lh", "LK" => "ce", "LR" => "lb", "LS" => "lo", "LT" => "li", "LU" => "lu", "LV" => "lv", "LY" => "ly", "MA" => "mr", "MC" => "mc", "MD" => "mv", "ME" => "mo", "MF" => "st", "MG" => "mg", "MH" => "xe", "MK" => "xn", "ML" => "ml", "MM" => "br", "MN" => "mp", "MO" => "xx", "MP" => "nw", "MQ" => "mq", "MR" => "mu", "MS" => "mj", "MT" => "mm", "MU" => "mf", "MV" => "xc", "MW" => "mw", "MX" => "mx", "MY" => "my", "MZ" => "mz", "NA" => "sx", "NC" => "nl", "NE" => "ng", "NF" => "nx", "NG" => "nr", "NI" => "nq", "NL" => "ne", "NO" => "no", "NP" => "np", "NR" => "nu", "NU" => "xh", "NZ" => "nz", "OM" => "mk", "PA" => "pn", "PE" => "pe", "PF" => "fp", "PG" => "pp", "PH" => "ph", "PK" => "pk", "PL" => "pl", "PM" => "xl", "PN" => "pc", "PR" => "pr", "PS" => "xx", "PT" => "po", "PW" => "pw", "PY" => "py", "QA" => "qa", "RE" => "re", "RO" => "rm", "RS" => "rb", "RU" => "ru", "RW" => "rw", "SA" => "su", "SB" => "bp", "SC" => "se", "SD" => "sj", "SE" => "sw", "SG" => "si", "SH" => "xj", "SI" => "xv", "SJ" => "xx", "SK" => "xo", "SL" => "si", "SM" => "sm", "SN" => "sg", "SO" => "so", "SR" => "sr", "SS" => "sd", "ST" => "sf", "SV" => "es", "SX" => "sn", "SY" => "sy", "SZ" => "xx", "TC" => "tc", "TD" => "cd", "TF" => "xx", "TG" => "tg", "TH" => "th", "TJ" => "ta", "TK" => "tl", "TL" => "em", "TM" => "tk", "TN" => "ti", "TO" => "to", "TR" => "tu", "TT" => "tr", "TV" => "tv", "TW" => "xx", "TZ" => "tz", "UA" => "un", "UG" => "ug", "UM" => "xxu", "US" => "xxu", "UY" => "uy", "UZ" => "uz", "VA" => "vc", "VC" => "xm", "VE" => "ve", "VG" => "vb", "VI" => "vi", "VN" => "vm", "VU" => "nn", "WF" => "wf", "WS" => "ws", "YE" => "ye", "YT" => "ot", "ZA" => "sa", "ZM" => "za", "ZW" => "rh"}
@@datafield = 
Class.new do
@@subfield = 
Class.new do

Constants included from JSONModel

JSONModel::REFERENCE_KEY_REGEX

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from JSONModel

JSONModel, #JSONModel, add_error_handler, all, allow_unmapped_enum_value, backend_url, check_valid_refs, client_mode?, custom_validations, destroy_model, enum_default_value, enum_values, handle_error, init, load_schema, #models, models, parse_jsonmodel_ref, parse_reference, repository, repository_for, schema_src, set_publish_flags!, set_repository, strict_mode, strict_mode?, validate_schema, with_repository

Methods inherited from ASpaceExport::ExportModel

#apply_map, inherited, model_for, model_for?

Methods included from ASpaceExport::ExportModelHelpers

#extract_date_string, #extract_note_content, #get_subnotes_by_type

Constructor Details

#initialize(include_unpublished = false) ⇒ MARCModel

Returns a new instance of MARCModel.



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# File 'backend/app/exporters/models/marc21.rb', line 79

def initialize(include_unpublished = false)
  @datafields = {}
  @include_unpublished = include_unpublished
end

Instance Attribute Details

#controlfield_string ⇒ Object

Returns the value of attribute controlfield_string



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# File 'backend/app/exporters/models/marc21.rb', line 35

def controlfield_string
  @controlfield_string
end

#leader_string ⇒ Object

Returns the value of attribute leader_string



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# File 'backend/app/exporters/models/marc21.rb', line 34

def leader_string
  @leader_string
end

Class Method Details

.assemble_controlfield_string(obj) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 119

def self.assemble_controlfield_string(obj)
  date = obj.dates[0] || {}
  string = obj['system_mtime'].scan(/\d{2}/)[1..3].join('')
  string += date['date_type'] == 'single' ? 's' : 'i'
  string += date['begin'] ? date['begin'][0..3] : "    "
  string += date['end'] ? date['end'][0..3] : "    "

  repo = obj['repository']['_resolved']

  if repo.has_key?('country') && !repo['country'].empty?
    string += (ISO_3166_TO_MARC[repo['country']] || "xx")
  else
    string += "xx"
  end

  # If only one Language and Script subrecord its code value should be exported in the MARC 008 field position 35-37; If more than one Language and Script subrecord is recorded, a value of "mul" should be exported in the MARC 008 field position 35-37.
  lang_materials = obj.lang_materials
  languages = lang_materials.map {|l| l['language_and_script']}.compact
  langcode = languages.count == 1 ? languages[0]['language'] : 'mul'

  # variable number of spaces needed since country code could have 2 or 3 chars
  (35-(string.length)).times { string += ' ' }
  string += (langcode || '|||')
  string += ' d'

  string
end

.df_handler(name, tag, ind1, ind2, code) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 7

def self.df_handler(name, tag, ind1, ind2, code)
  define_method(name) do |val|
    df(tag, ind1, ind2).with_sfs([code, val])
  end
  name.to_sym
end

.from_archival_object(obj, opts = {}) ⇒ Object

‘archival object’s in the abstract



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# File 'backend/app/exporters/models/marc21.rb', line 98

def self.from_archival_object(obj, opts = {})
  marc = self.from_aspace_object(obj, opts)
  marc.apply_map(obj, @archival_object_map)

  marc
end

.from_aspace_object(obj, opts = {}) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 93

def self.from_aspace_object(obj, opts = {})
  self.new(opts[:include_unpublished])
end

.from_resource(obj, opts = {}) ⇒ Object

subtypes of ‘archival object’:



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# File 'backend/app/exporters/models/marc21.rb', line 107

def self.from_resource(obj, opts = {})
  marc = self.from_archival_object(obj, opts)
  marc.apply_map(obj, @resource_map)
  marc.leader_string = "00000np$aa2200000 u 4500"
  marc.leader_string[7] = obj.level == 'item' ? 'm' : 'c'

  marc.controlfield_string = assemble_controlfield_string(obj)

  marc
end

Instance Method Details

#datafields ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 84

def datafields
  @datafields.map {|k, v| v}
end

#df(*args) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 156

def df(*args)
  if @datafields.has_key?(args.to_s)
    @datafields[args.to_s]
  else
    @datafields[args.to_s] = @@datafield.new(*args)
    @datafields[args.to_s]
  end
end

#df!(*args) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 148

def df!(*args)
  @sequence ||= 0
  @sequence += 1
  @datafields[@sequence] = @@datafield.new(*args)
  @datafields[@sequence]
end

#handle_agent_terms(terms) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 490

def handle_agent_terms(terms)
  sfs = []
  terms.each do |t|
    tag = case t['term_type']
          when 'uniform_title'; 't'
          when 'genre_form', 'style_period'; 'v'
          when 'topical', 'cultural_context'; 'x'
          when 'temporal'; 'y'
          when 'geographic'; 'z'
          end
    next if tag.nil?
    sfs << [(tag), t['term']]
  end

  sfs
end

#handle_agents(linked_agents) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 424

def handle_agents(linked_agents)
  handle_primary_creator(linked_agents)
  handle_other_creators(linked_agents)

  subjects = linked_agents.select {|a| a['role'] == 'subject'}

  subjects.each_with_index do |link, i|
    next unless link["_resolved"]["publish"] || @include_unpublished

    subject = link['_resolved']
    name = subject['display_name']
    terms = link['terms']
    ind2 = source_to_code(name['source'])

    relator_sfs = []
    if link['relator']
      handle_relators(relator_sfs, link['relator'])
    end

    case subject['agent_type']

    when 'agent_corporate_entity'
      code = '610'
      ind1 = '2'
      sfs = gather_agent_corporate_subfield_mappings(name, relator_sfs, subject, terms)

    when 'agent_person'
      ind1  = name['name_order'] == 'direct' ? '0' : '1'
      code = '600'
      sfs = gather_agent_person_subfield_mappings(name, relator_sfs, subject, terms)

    when 'agent_family'
      code = '600'
      ind1 = '3'
      sfs = gather_agent_family_subfield_mappings(name, relator_sfs, subject, terms)

    when 'agent_software'
      code = '653'
      ind1 = ' '
      sfs = [['a', name['software_name']]]

    end

    # ANW-825: Don't export $0 if $v, $x, $y, or $z are present
    sfs.reject! {|k| k[0] == 0 } if (['v', 'x', 'y', 'z'] - sfs.map { |k| k[0] }).length < 4

    if ind2 == '7'
      sfs << ['2', subject['names'].first['source']]
    end

    df(code, ind1, ind2, i).with_sfs(*sfs)
  end
end

#handle_ark(ark_name) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 651

def handle_ark(ark_name)
  return if ark_name.nil?
  return unless [:arks_enabled]

  # If ARKs are enabled, add an 856
  #<datafield tag="856" ind1="4" ind2="2">
  #  <subfield code="z">Archival Resource Key:</subfield>
  #  <subfield code="u">ARK URL</subfield>
  #</datafield>

  if ark_url = ark_name['current']
    df('856', '4', '2').with_sfs(
      ['z', "Archival Resource Key:"],
      ['u', ark_url]
    ) unless ark_url.nil? || ark_url.empty?

  end
end

#handle_dates(dates) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 230

def handle_dates(dates)
  return false if dates.empty?

  dates = [["single", "inclusive", "range"], ["bulk"]].map {|types|
    dates.find {|date| types.include? date['date_type'] }
  }.compact

  dates.each do |date|
    code = date['date_type'] == 'bulk' ? 'g' : 'f'
    val = nil
    if date['expression'] && date['date_type'] != 'bulk'
      val = date['expression']
    elsif date['date_type'] == 'single'
      val = date['begin']
    else
      val = "#{date['begin']} - #{date['end']}"
    end

    df('245', '1', '0').with_sfs([code, val])
  end
end

#handle_ead_loc(ead_loc, publish, uri, slug) ⇒ Object

3/28/18: Updated: ANW-318 4/7/22: Updated: ANW-1071



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# File 'backend/app/exporters/models/marc21.rb', line 611

def handle_ead_loc(ead_loc, publish, uri, slug)
  # If there is EADlocation
  #<datafield tag="856" ind1="4" ind2="2">
  #  <subfield code="z">Finding aid online:</subfield>
  #  <subfield code="u">EADlocation</subfield>
  #</datafield>
  # if config option is set, output a second 856 with slugged (or not) PUI URL as long as it's not the same as the EADLocation

  #<datafield tag="856" ind1="4" ind2="2">
  #  <subfield code="z">Finding aid online:</subfield>
  #  <subfield code="u">slugged URL</subfield>
  #</datafield>

  if ead_loc && !ead_loc.empty?
    df('856', '4', '2').with_sfs(
                                  ['z', "Finding aid online:"],
                                  ['u', ead_loc]
                                )
  end

  if AppConfig[:enable_public] && AppConfig[:include_pui_finding_aid_urls_in_marc_exports] && publish

    if AppConfig[:use_human_readable_urls] &&
       AppConfig[:use_slug_finding_aid_urls_in_marc_exports]

      rec_type = uri.split('/')[3]
      link = AppConfig[:public_proxy_url] + "/#{rec_type}/#{slug}"
    else
      link = AppConfig[:public_proxy_url] + uri
    end

    unless link == ead_loc
      df!('856', '4', '2').with_sfs(
                                ['z', "Finding aid online:"],
                                ['u', link]
                              )
    end
  end
end

#handle_extents(extents) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 596

def handle_extents(extents)
  extents.each do |ext|
    e = ext['number']
    t = "#{I18n.t('enumerations.extent_extent_type.'+ext['extent_type'], :default => ext['extent_type'])}"

    if ext['container_summary']
      t << " (#{ext['container_summary']})"
    end

    df!('300').with_sfs(['a', e], ['f', t])
  end
end

#handle_id(*ids) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 166

def handle_id(*ids)
  ids.reject! {|i| i.nil? || i.empty?}
  df('099', ' ', ' ').with_sfs(['a', ids.join('.')])
end

#handle_languages(lang_materials) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 207

def handle_languages(lang_materials)
  # ANW-697: The Language subrecord code values should be exported in repeating subfield $a entries in the MARC 041 field.

  languages = lang_materials.map {|l| l['language_and_script']}.compact

  languages.each do |language|

    df('041', ' ', ' ').with_sfs(['a', language['language']])

  end

  # ANW-697: Language Text subrecords should be exported in the MARC 546 subfield $a

  language_notes = lang_materials.map {|l| l['notes']}.compact.reject {|e| e == [] }

  if language_notes
    language_notes.each do |note|
      handle_notes(note)
    end
  end
end

#handle_notes(notes) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 508

def handle_notes(notes)
  notes.each do |note|
    prefix =  case note['type']
              when 'dimensions'; "Dimensions"
              when 'physdesc'; "Physical Description note"
              when 'materialspec'; "Material Specific Details"
              when 'physloc'; "Location of resource"
              when 'phystech'; "Physical Characteristics / Technical Requirements"
              when 'physfacet'; "Physical Facet"
              when 'processinfo'; "Processing Information"
              when 'separatedmaterial'; "Materials Separated from the Resource"
              else; nil
              end

    marc_args = case note['type']

                when 'arrangement', 'fileplan'
                  ['351', 'a']
                when 'odd', 'dimensions', 'physdesc', 'materialspec', 'physloc', 'phystech', 'physfacet', 'processinfo', 'separatedmaterial'
                  ['500', 'a']
                when 'accessrestrict'
                  ['506', 'a']
                when 'scopecontent'
                  ['520', '2', ' ', 'a']
                when 'abstract'
                  ['520', '3', ' ', 'a']
                when 'prefercite'
                  ['524', ' ', ' ', 'a']
                when 'acqinfo'
                  ind1 = note['publish'] ? '1' : '0'
                  ['541', ind1, ' ', 'a']
                when 'relatedmaterial'
                  ['544', 'd']
                when 'bioghist'
                  ['545', 'a']
                when 'custodhist'
                  ind1 = note['publish'] ? '1' : '0'
                  ['561', ind1, ' ', 'a']
                when 'appraisal'
                  ind1 = note['publish'] ? '1' : '0'
                  ['583', ind1, ' ', 'a']
                when 'accruals'
                  ['584', 'a']
                when 'altformavail'
                  ['535', '2', ' ', 'a']
                when 'originalsloc'
                  ['535', '1', ' ', 'a']
                when 'userestrict', 'legalstatus'
                  ['540', 'a']
                when 'langmaterial'
                  ['546', 'a']
                when 'otherfindaid'
                  ['555', '0', ' ', 'a']
                else
                  nil
                end

    unless marc_args.nil?
      text = prefix ? "#{prefix}: " : ""
      text += ASpaceExport::Utils.extract_note_text(note, @include_unpublished, true)

      # only create a tag if there is text to show (e.g., marked published or exporting unpublished)
      if text.length > 0
        df!(*marc_args[0...-1]).with_sfs([marc_args.last, *Array(text)])
      end
    end

    # ANW-1350: Export bibliography notes to 581
    # Bibliography notes have a different structure than the notes handled above, so they are processed separately

    if note['jsonmodel_type'] == "note_bibliography"
      if note['publish'] || @include_unpublished
        values = []
        note['content'].each do |c|
          values.push(['a', c])
        end

        note['items'].each do |i|
          values.push(['a', i])
        end

        df('581', ' ', ' ').with_sfs(*values)
      end
    end
  end
end

#handle_other_creators(linked_agents) ⇒ Object

TODO: DRY this up this method is very similair to handle_primary_creator and handle_agents



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# File 'backend/app/exporters/models/marc21.rb', line 378

def handle_other_creators(linked_agents)
  creators = linked_agents.select {|a| a['role'] == 'creator'}[1..-1] || []
  creators = creators + linked_agents.select {|a| a['role'] == 'source'}

  creators.each_with_index do |link, i|
    next unless link["_resolved"]["publish"] || @include_unpublished

    creator = link['_resolved']
    name = creator['display_name']
    role = link['role']

    relator_sfs = []
    if link['relator']
      handle_relators(relator_sfs, link['relator'])
    elsif role == 'source'
      relator_sfs << ['e', 'former owner']
    else
      relator_sfs << ['e', 'creator']
    end

    ind2 = ' '

    case creator['agent_type']

    when 'agent_corporate_entity'
      code = '710'
      ind1 = '2'
      sfs = gather_agent_corporate_subfield_mappings(name, relator_sfs, creator)

    when 'agent_person'
      ind1  = name['name_order'] == 'direct' ? '0' : '1'
      code = '700'
      sfs = gather_agent_person_subfield_mappings(name, relator_sfs, creator)

    when 'agent_family'
      ind1 = '3'
      code = '700'
      sfs = gather_agent_family_subfield_mappings(name, relator_sfs, creator)

    end

    df(code, ind1, ind2, i).with_sfs(*sfs)
  end
end

#handle_primary_creator(linked_agents) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 337

def handle_primary_creator(linked_agents)
  link = linked_agents.find {|a| a['role'] == 'creator'}
  return nil unless link
  return nil unless link["_resolved"]["publish"] || @include_unpublished

  creator = link['_resolved']
  name = creator['display_name']

  ind2 = ' '

  relator_sfs = []
  if link['relator']
    handle_relators(relator_sfs, link['relator'])
  else
    relator_sfs << ['e', 'creator']
  end

  case creator['agent_type']

  when 'agent_corporate_entity'
    code = '110'
    ind1 = '2'
    sfs = gather_agent_corporate_subfield_mappings(name, relator_sfs, creator)

  when 'agent_person'
    ind1  = name['name_order'] == 'direct' ? '0' : '1'
    code = '100'
    sfs = gather_agent_person_subfield_mappings(name, relator_sfs, creator)

  when 'agent_family'
    code = '100'
    ind1 = '3'
    sfs = gather_agent_family_subfield_mappings(name, relator_sfs, creator)

  end

  df(code, ind1, ind2).with_sfs(*sfs)
end

#handle_relators(relator_sfs, link) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 479

def handle_relators(relator_sfs, link)
  relator = I18n.t("enumerations.linked_agent_archival_record_relators.#{link}")
  relator_sfs << ['4', link]
  unless relator.to_s.include?('translation missing')
    relator_sfs << ['e', relator]
  end

  return relator_sfs
end

#handle_repo_code(repository, *finding_aid_language) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 252

def handle_repo_code(repository, *finding_aid_language)
  repo = repository['_resolved']
  return false unless repo

  sfa = repo['org_code'] ? repo['org_code'] : "Repository: #{repo['repo_code']}"

  # ANW-529: options for 852 datafield:
  # 1.) $a => org_code || repo_name
  # 2.) $a => $parent_institution_name && $b => repo_name

  if repo['parent_institution_name']
    subfields_852 = [
                      ['a', repo['parent_institution_name']],
                      ['b', repo['name']]
                    ]
  elsif repo['org_code']
    subfields_852 = [
                      ['a', repo['org_code']],
                    ]
  else
    subfields_852 = [
                      ['a', repo['name']]
                    ]
  end

  df('852', ' ', ' ').with_sfs(*subfields_852)

  df('040', ' ', ' ').with_sfs(['a', repo['org_code']], ['b', finding_aid_language[0]], ['c', repo['org_code']])

  if repo['org_code']
    df('049', ' ', ' ').with_sfs(['a', repo['org_code']])
  end
end

#handle_subjects(subjects) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 290

def handle_subjects(subjects)
  subjects.each do |link|
    subject = link['_resolved']
    term, *terms = subject['terms']
    code, ind2 =  case term['term_type']
                  when 'uniform_title'
                    ['630', source_to_code(subject['source'])]
                  when 'temporal'
                    ['648', source_to_code(subject['source'])]
                  when 'topical'
                    ['650', source_to_code(subject['source'])]
                  when 'geographic', 'cultural_context'
                    ['651', source_to_code(subject['source'])]
                  when 'genre_form', 'style_period'
                    ['655', source_to_code(subject['source'])]
                  when 'occupation'
                    ['656', '7']
                  when 'function'
                    ['656', '7']
                  else
                    ['650', source_to_code(subject['source'])]
                  end
    sfs = [['a', term['term']]]

    terms.each do |t|
      tag = case t['term_type']
            when 'uniform_title'; 't'
            when 'genre_form', 'style_period'; 'v'
            when 'topical', 'cultural_context'; 'x'
            when 'temporal'; 'y'
            when 'geographic'; 'z'
            end
      sfs << [tag, t['term']]
    end

    if ind2 == '7'
      sfs << ['2', subject['source']]
    end

    sfs << ['0', subject['authority_id']]

    ind1 = code == '630' ? "0" : " "
    df!(code, ind1, ind2).with_sfs(*sfs)
  end
end

#handle_title(title, linked_agents, dates) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 172

def handle_title(title, linked_agents, dates)
  creator = linked_agents.find {|a| a['role'] == 'creator'}
  date_codes = []

  # process dates first, if defined.
  unless dates.empty?
    dates = [["single", "inclusive", "range"], ["bulk"]].map {|types|
      dates.find {|date| types.include? date['date_type'] }
    }.compact

    dates.each do |date|
      code, val = nil
      code = date['date_type'] == 'bulk' ? 'g' : 'f'
      if date['expression']
        val = date['expression']
      elsif date['end']
        val = "#{date['begin']} - #{date['end']}"
      else
        val = "#{date['begin']}"
      end
      date_codes.push([code, val])
    end
  end

  ind1 = creator.nil? ? "0" : "1"
  if date_codes.length > 0
    # we want to pass in all our date codes as separate subfield tags
    # e.g., with_sfs(['a', title], [code1, val1], [code2, val2]... [coden, valn])
    df('245', ind1, '0').with_sfs(['a', title + ","], *date_codes)
  else
    df('245', ind1, '0').with_sfs(['a', title])
  end
end

#include_unpublished? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'backend/app/exporters/models/marc21.rb', line 88

def include_unpublished?
  @include_unpublished
end

#source_to_code(source) ⇒ Object 



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# File 'backend/app/exporters/models/marc21.rb', line 286

def source_to_code(source)
  ASpaceMappings::MARC21.get_marc_source_code(source)
end