Module: Blacklight::Marc::Indexer::Formats

Included in:
MarcIndexer
Defined in:
lib/blacklight/marc/indexer/formats.rb

Defined Under Namespace

Modules: FormatMap

Instance Method Summary collapse

Instance Method Details

#get_format(options = {}) ⇒ Object 



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# File 'lib/blacklight/marc/indexer/formats.rb', line 157

def get_format(options = {})
  lambda do |record, accumulator, context|
    vals = []
    extractor = Traject::MarcExtractor.new('245h', options)
    extractor.extract(record).select do |v|
      vals << 'Electronic' if v =~ /electronic\sresource/
    end
    unless vals.empty?
      vals.uniq!
      accumulator.concat vals
    else
      field007hasC = false
      extractor = Traject::MarcExtractor.new('007[0-1]', options)
      extractor.extract(record).each {|v| field007hasC ||= FormatMap.map007(v,vals)}
      unless vals.empty?
        vals.uniq!
        accumulator.concat vals
      else
        # check the Leader - this is NOT a repeating field
        # if we find a matching value there, grab it and return.
        FormatMap.map_leader(record.leader[6,2],field007hasC,vals)
        unless vals.empty?
          vals.uniq!
          accumulator.concat vals
        else
          FormatMap.map_leader(record.leader[6],field007hasC,vals)
          if vals.empty?
            accumulator.concat ['Unknown']
          else
            vals.uniq!
            accumulator.concat vals
          end
        end
      end
    end
  end
end