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Versions: 17
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Contents
module Blacklight::Marc::Indexer::Dewey
def dewey_facets(options={})
translation_map = (options[:translation_map] || "callnumber_map")
unless translation_map.is_a? Traject::TranslationMap
translation_map = Traject::TranslationMap.new(translation_map)
end
base = options[:base] || :hundreds
lambda do |record, accumulator, context|
vals = []
extractor = Traject::MarcExtractor.new('082a', options)
vals = extractor.extract(record).select{|v| valid_dewey? v}.collect do |val|
if base == :hundreds
c = val[0...1] + '00'
elsif base == :tens
c = val[0...2] + '0'
end
translation_map[c]
end
accumulator.concat vals
end
end
def dewey_text(options={})
lambda do |record, accumulator, context|
vals = []
extractor = Traject::MarcExtractor.new('082a', options)
vals = extractor.extract(record).select{|v| valid_dewey? v}.collect do |val|
val.gsub(/\/[.]/,'.').gsub('/',' ')
end
accumulator.concat vals unless vals.empty?
end
end
def valid_dewey?(value)
value =~ /^\d{1,3}(\.\d+)?.*/
end
end
Version data entries
17 entries across 17 versions & 1 rubygems