Class: PennMARC::Series

Inherits:
Helper
  • Object
show all
Defined in:
lib/pennmarc/helpers/series.rb

Overview

Do Series and series-related field processing. Many of these fields are added entries that are justified by corresponding series statements (usually 490). These fields provide information about the published series in which a book, encoded finding aid, or other published work has appeared

Constant Summary collapse

DISPLAY_TAGS =

800 - Series Added Entry-Personal Name - www.loc.gov/marc/bibliographic/bd800.html 810 - Series Added Entry-Corporate Name - www.loc.gov/marc/bibliographic/bd810.html 410 - Series Statement/Added Entry-Corporate Name - www.loc.gov/marc/bibliographic/bd410.html 811 - Series Added Entry-Meeting Name - www.loc.gov/marc/bibliographic/bd811.html 830 - Series Added Entry-Uniform Title - www.loc.gov/marc/bibliographic/bd830.html 400 - Series Statement/Added Entry-Personal Name - www.loc.gov/marc/bibliographic/bd400.html 411 - Series Statement/Added Entry Meeting Name - www.loc.gov/marc/bibliographic/bd411.html 440 - Series Statement/Added Entry-Title - www.loc.gov/marc/bibliographic/bd440.html 490 - Series Statement - www.loc.gov/marc/bibliographic/bd490.html

%w[800 810 811 830 400 410 411 440 490].freeze

Class Method Summary collapse

Methods included from Util

#datafield_and_linked_alternate, #join_and_squish, #join_subfields, #linked_alternate, #linked_alternate_not_6_or_8, #prefixed_subject_and_alternate, #remove_paren_value_from_subfield_i, #subfield_defined?, #subfield_in?, #subfield_not_in?, #subfield_undefined?, #subfield_value?, #subfield_value_in?, #subfield_value_not_in?, #subfield_values, #subfield_values_for, #substring_after, #substring_before, #translate_relator, #trim_trailing, #valid_subject_genre_source_code?

Class Method Details

.get_continued_by_display(record) ⇒ String

Information concerning the immediate successor to the target item (chronological relationship). When a note is generated from this field, the introductory phrase may be generated based on the value in the second indicator position for display. www.loc.gov/marc/bibliographic/bd785.html



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# File 'lib/pennmarc/helpers/series.rb', line 97

def get_continued_by_display(record)
  continues(record, '785')
end

.get_continues_display(record) ⇒ String

Information concerning the immediate predecessor of the target item (chronological relationship). When a note is generated from this field, the introductory term or phrase may be generated based on the value in the second indicator position for display. www.loc.gov/marc/bibliographic/bd780.html



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# File 'lib/pennmarc/helpers/series.rb', line 87

def get_continues_display(record)
  continues(record, '780')
end

.search(record) ⇒ Array<String>

Series fields for search.



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# File 'lib/pennmarc/helpers/series.rb', line 52

def search(record)
  values = record.fields(%w[400 410 411]).filter_map do |field|
    subfields = if field.indicator2 != '0'
                  %w[4 6 8]
                elsif field.indicator2 != '1'
                  %w[4 6 8 a]
                else
                  next
                end
    join_subfields(field, &subfield_not_in?(subfields))
  end
  values += record.fields(%w[440]).filter_map do |field|
    join_subfields(field, &subfield_not_in?(%w[0 5 6 8 w]))
  end
  values += record.fields(%w[800 810 811]).filter_map do |field|
    join_subfields(field, &subfield_not_in?(%w[0 4 5 6 7 8 w]))
  end
  values += record.fields(%w[830]).filter_map do |field|
    join_subfields(field, &subfield_not_in?(%w[0 5 6 7 8 w]))
  end
  values += record.fields(%w[533]).filter_map do |field|
    filtered_values = field.filter_map { |sf| sf.value if sf.code == 'f' }
    next if filtered_values.empty?

    filtered_values.map { |v| v.gsub(/\(|\)/, '') }.join(' ')
  end
  values
end

.show(record, relator_map: Mappers.relator) ⇒ Array<String>

Fields for display that pertain to series information.



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# File 'lib/pennmarc/helpers/series.rb', line 24

def show(record, relator_map: Mappers.relator)
  tags_present = DISPLAY_TAGS.select { |tag| record[tag].present? }

  values = if %w[800 810 811 400 410 411].member?(tags_present.first)
             author_show_entries(record, tags_present.first, relator_map)
           elsif %w[830 440 490].member?(tags_present.first)
             title_show_entries(record, tags_present.first)
           end || []

  values += remaining_show_entries(record, tags_present)
  values + series_880_fields(record)
end

.values(record, relator_map: Mappers.relator) ⇒ Array<String>

Values from series fields for display.



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# File 'lib/pennmarc/helpers/series.rb', line 41

def values(record, relator_map: Mappers.relator)
  series_8x = record.fields(%w[800 810 811 830]).first
  return Array.wrap(series_field(series_8x, relator_map)) if series_8x

  series_4x = record.fields(%w[400 410 411 440 490]).first
  Array.wrap(series_field(series_4x, relator_map)) if series_4x
end