Class: MARCModel

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

Constant Summary

@@datafield = 
Class.new do
@@subfield = 
Class.new do

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, 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_repository, strict_mode, strict_mode?, 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

- (MARCModel) initialize

Returns a new instance of MARCModel



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# File 'backend/app/exporters/models/marc21.rb', line 75

def initialize
  @datafields = {}
end

Instance Attribute Details

- (Object) controlfield_string

Returns the value of attribute controlfield_string



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# File 'backend/app/exporters/models/marc21.rb', line 31

def controlfield_string
  @controlfield_string
end

- (Object) leader_string

Returns the value of attribute leader_string



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# File 'backend/app/exporters/models/marc21.rb', line 30

def leader_string
  @leader_string
end

Class Method Details

+ (Object) assemble_controlfield_string(obj) 



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# File 'backend/app/exporters/models/marc21.rb', line 112

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

  string
end

+ (Object) df_handler(name, tag, ind1, ind2, code) 



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# File 'backend/app/exporters/models/marc21.rb', line 6

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

+ (Object) from_archival_object(obj)

‘archival object’s in the abstract



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# File 'backend/app/exporters/models/marc21.rb', line 89

def self.from_archival_object(obj)

  marc = self.from_aspace_object(obj)

  marc.apply_map(obj, @archival_object_map)

  marc
end

+ (Object) from_aspace_object(obj) 



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

def self.from_aspace_object(obj)
  self.new
end

+ (Object) from_resource(obj)

subtypes of ‘archival object’:



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# File 'backend/app/exporters/models/marc21.rb', line 100

def self.from_resource(obj)
  marc = self.from_archival_object(obj)
  marc.apply_map(obj, @resource_map)
  marc.leader_string = "00000np$ a2200000 u 4500"
  marc.leader_string[7] = obj.level == 'item' ? 'm' : 'c'

  marc.controlfield_string = assemble_controlfield_string(obj)

  marc
end

Instance Method Details

- (Object) datafields 



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

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

- (Object) df(*args) 



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# File 'backend/app/exporters/models/marc21.rb', line 135

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

- (Object) df!(*args) 



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# File 'backend/app/exporters/models/marc21.rb', line 127

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

- (Object) handle_agents(linked_agents) 



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# File 'backend/app/exporters/models/marc21.rb', line 300

def handle_agents(linked_agents)

  handle_primary_creator(linked_agents)

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

  subjects.each_with_index do |link, i|
    subject = link['_resolved']
    name = subject['display_name']
    relator = link['relator']
    terms = link['terms']
    ind2 = source_to_code(name['source'])

    case subject['agent_type']

    when 'agent_corporate_entity'
      code = '610'
      ind1 = '2'
      sfs = [
              ['a', name['primary_name']],
              ['b', name['subordinate_name_1']],
              ['b', name['subordinate_name_2']],
              ['n', name['number']],
              ['g', name['qualifier']],
            ]

    when 'agent_person'
      joint, ind1 = name['name_order'] == 'direct' ? [' ', '0'] : [', ', '1']
      name_parts = [name['primary_name'], name['rest_of_name']].reject{|i| i.nil? || i.empty?}.join(joint)
      ind1 = name['name_order'] == 'direct' ? '0' : '1'
      code = '600'
      sfs = [
              ['a', name_parts],
              ['b', name['number']],
              ['c', %w(prefix title suffix).map {|prt| name[prt]}.compact.join(', ')],
              ['q', name['fuller_form']],
              ['d', name['dates']],
              ['g', name['qualifier']],
            ]

    when 'agent_family'
      code = '600'
      ind1 = '3'
      sfs = [
              ['a', name['family_name']],
              ['c', name['prefix']],
              ['d', name['dates']],
              ['g', name['qualifier']],
            ]

    end

    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

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


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

  creators.each do |link|
    creator = link['_resolved']
    name = creator['display_name']
    relator = link['relator']
    terms = link['terms']
    role = link['role']

    if relator
      relator_sf = ['4', relator]
    elsif role == 'source'
      relator_sf =  ['e', 'former owner']
    else
      relator_sf = ['e', 'creator']
    end

    ind2 = ' '

    case creator['agent_type']

    when 'agent_corporate_entity'
      code = '710'
      ind1 = '2'
      sfs = [
              ['a', name['primary_name']],
              ['b', name['subordinate_name_1']],
              ['b', name['subordinate_name_2']],
              ['n', name['number']],
              ['g', name['qualifier']],
            ]

    when 'agent_person'
      joint, ind1 = name['name_order'] == 'direct' ? [' ', '0'] : [', ', '1']
      name_parts = [name['primary_name'], name['rest_of_name']].reject{|i| i.nil? || i.empty?}.join(joint)
      ind1 = name['name_order'] == 'direct' ? '0' : '1'
      code = '700'
      sfs = [
              ['a', name_parts],
              ['b', name['number']],
              ['c', %w(prefix title suffix).map {|prt| name[prt]}.compact.join(', ')],
              ['q', name['fuller_form']],
              ['d', name['dates']],
              ['g', name['qualifier']],
            ]

    when 'agent_family'
      ind1 = '3'
      code = '700'
      sfs = [
              ['a', name['family_name']],
              ['c', name['prefix']],
              ['d', name['dates']],
              ['g', name['qualifier']],
            ]
    end

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

end

- (Object) handle_dates(dates) 



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# File 'backend/app/exporters/models/marc21.rb', line 164

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

- (Object) handle_ead_loc(ead_loc) 



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# File 'backend/app/exporters/models/marc21.rb', line 517

def handle_ead_loc(ead_loc)
  df('555', ' ', ' ').with_sfs(
                                ['a', "Finding aid online:"],
                                ['u', ead_loc]
                              )
  df('856', '4', '2').with_sfs(
                                ['z', "Finding aid online:"],
                                ['u', ead_loc]
                              )
end

- (Object) handle_extents(extents) 



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# File 'backend/app/exporters/models/marc21.rb', line 503

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

    if ext['container_summary']
      e << " (#{ext['container_summary']})"
    end

    df!('300').with_sfs(['a', e])
  end
end

- (Object) handle_id(*ids) 



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# File 'backend/app/exporters/models/marc21.rb', line 145

def handle_id(*ids)
  ids.reject!{|i| i.nil? || i.empty?}
  df('099', ' ', ' ').with_sfs(['a', ids.join('.')])
  df('852', ' ', ' ').with_sfs(['c', ids.join('.')])
end

- (Object) handle_language(langcode) 



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# File 'backend/app/exporters/models/marc21.rb', line 157

def handle_language(langcode)
  df('041', '0', ' ').with_sfs(['a', langcode])
  df('040', '0', ' ').with_sfs(['b', langcode])
  df('049', '0', ' ').with_sfs(['a', langcode])
end

- (Object) handle_notes(notes) 



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# File 'backend/app/exporters/models/marc21.rb', line 436

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','b']
                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', '8', ' ', 'a']
                when 'acqinfo'
                  ind1 = note['publish'] ? '1' : '0'
                  ['541', ind1, ' ', 'a']
                when 'relatedmaterial'
                  ['544','a']
                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']
                else
                  nil
                end

    unless marc_args.nil?
      text = prefix ? "#{prefix}: " : ""
      text += ASpaceExport::Utils.extract_note_text(note)
      df!(*marc_args[0...-1]).with_sfs([marc_args.last, *Array(text)])
    end

  end
end

- (Object) handle_primary_creator(linked_agents) 



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# File 'backend/app/exporters/models/marc21.rb', line 247

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

  creator = link['_resolved']
  name = creator['display_name']
  ind2 = ' '
  role_info = link['relator'] ? ['4', link['relator']] : ['e', 'creator']

  case creator['agent_type']

  when 'agent_corporate_entity'
    code = '110'
    ind1 = '2'
    sfs = [
            ['a', name['primary_name']],
            ['b', name['subordinate_name_1']],
            ['b', name['subordinate_name_2']],
            ['n', name['number']],
            ['d', name['dates']],
            ['g', name['qualifier']],
          ]

  when 'agent_person'
    joint, ind1 = name['name_order'] == 'direct' ? [' ', '0'] : [', ', '1']
    name_parts = [name['primary_name'], name['rest_of_name']].reject{|i| i.nil? || i.empty?}.join(joint)

    code = '100'
    sfs = [
            ['a', name_parts],
            ['b', name['number']],
            ['c', %w(prefix title suffix).map {|prt| name[prt]}.compact.join(', ')],
            ['q', name['fuller_form']],
            ['d', name['dates']],
            ['g', name['qualifier']],
          ]

  when 'agent_family'
    code = '100'
    ind1 = '3'
    sfs = [
            ['a', name['family_name']],
            ['c', name['prefix']],
            ['d', name['dates']],
            ['g', name['qualifier']],
          ]
  end

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

- (Object) handle_repo_code(repository) 



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# File 'backend/app/exporters/models/marc21.rb', line 186

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

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

  df('852', ' ', ' ').with_sfs(
                      ['a', sfa],
                      ['b', repo['name']]
                    )
  df('040', ' ', ' ').with_sfs(['a', repo['org_code']], ['c', repo['org_code']])
end

- (Object) handle_subjects(subjects) 



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# File 'backend/app/exporters/models/marc21.rb', line 203

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

    df!(code, ' ', ind2).with_sfs(*sfs)
  end
end

- (Object) handle_title(title) 



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# File 'backend/app/exporters/models/marc21.rb', line 152

def handle_title(title)
  df('245', '1', '0').with_sfs(['a', title])
end

- (Object) source_to_code(source) 



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# File 'backend/app/exporters/models/marc21.rb', line 199

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