Class: Krikri::Enrichments::GenreFilter

Inherits:
Object
  • Object
show all
Includes:
Audumbla::FieldEnrichment
Defined in:
lib/krikri/enrichments/genre_filter.rb

Overview

Enrichment to remove non-genre fields from

StripHtml.new.enrich_value('Book') => 'Book'
StripHtml.new.enrich_value('not a book') => nil

Allowed genre terms are:

- Book
- Film/Video
- Manuscript
- Maps
- Music
- Musical Score
- Newspapers
- Nonmusic
- Photograph/Pictorial Works
- Serial

Removes all non-string values

Constant Summary collapse

TERMS = 
['Book',
'Film/Video',
'Manuscript',
'Maps',
'Music',
'Musical Score',
'Newspapers',
'Nonmusic',
'Photograph/Pictorial Works',
'Serial']

Instance Method Summary collapse

Instance Method Details

#enrich_value(value) ⇒ Object 



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# File 'lib/krikri/enrichments/genre_filter.rb', line 36

def enrich_value(value)
  return nil unless value.is_a? String
  term = TERMS.select do |t|
    t.downcase.gsub(/[^a-zA-Z]/, '') ==
      value.downcase.gsub(/[^a-zA-Z]/, '')
  end
  term.empty? ? nil : term.first
end