Class: Pubid::Idf::UrnGenerator

Inherits:
UrnGenerator::Base show all
Defined in:
lib/pubid/idf/urn_generator.rb

Instance Attribute Summary

Attributes inherited from UrnGenerator::Base

#identifier

Instance Method Summary collapse

Methods inherited from UrnGenerator::Base

#initialize, #maybe, #urn_language, #urn_namespace, #urn_publisher

Constructor Details

This class inherits a constructor from Pubid::UrnGenerator::Base

Instance Method Details

#generate ⇒ Object 



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# File 'lib/pubid/idf/urn_generator.rb', line 47

def generate
  parts = ["urn", "idf"]
  parts << urn_number if urn_number
  parts << urn_part if urn_part
  parts << urn_subpart if urn_subpart
  parts << urn_year if urn_year
  parts << urn_edition if urn_edition
  parts << urn_type if urn_type

  if identifier.publisher
    parts[1] = identifier.publisher.body.to_s.downcase
  end

  if identifier.copublishers&.any?
    copubs = identifier.copublishers.map(&:body)
    parts[1] = "#{parts[1]}-#{copubs.join('-').downcase}"
  end

  if identifier.languages&.any?
    parts << identifier.languages.map(&:code).join(",")
  end

  if identifier.is_a?(SupplementIdentifier)
    if identifier.typed_stage
      supp_type = identifier.typed_stage.type_code.to_s
      parts << supp_type if supp_type
    end

    if identifier.number
      parts << identifier.number.value.to_s
    end
  end

  parts.join(":")
end

#urn_edition ⇒ Object 



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# File 'lib/pubid/idf/urn_generator.rb', line 38

def urn_edition
  return nil unless identifier.edition

  num = identifier.edition.number
  return nil unless num

  "ed.#{num}"
end

#urn_number ⇒ Object 



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# File 'lib/pubid/idf/urn_generator.rb', line 12

def urn_number
  return nil unless identifier.number

  identifier.number.value.to_s
end

#urn_part ⇒ Object 



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# File 'lib/pubid/idf/urn_generator.rb', line 18

def urn_part
  return nil unless identifier.part

  "-#{identifier.part.value}"
end

#urn_subpart ⇒ Object 



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# File 'lib/pubid/idf/urn_generator.rb', line 24

def urn_subpart
  return nil unless identifier.subpart

  "-#{identifier.subpart.value}"
end

#urn_type ⇒ Object 



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# File 'lib/pubid/idf/urn_generator.rb', line 6

def urn_type
  return nil unless identifier.type

  identifier.type.abbr.to_s.downcase
end

#urn_year ⇒ Object 



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# File 'lib/pubid/idf/urn_generator.rb', line 30

def urn_year
  if identifier.date&.year
    return identifier.date.year.to_s
  end

  identifier.year&.to_s
end