Class: Xapit::SimpleIndexer

Inherits:
AbstractIndexer show all
Defined in:
lib/xapit/indexers/simple_indexer.rb

Instance Method Summary collapse

Methods inherited from AbstractIndexer

#add_member, #base_terms, #document_for, #facet_terms, #facet_values, #field_terms, #field_values, #index_terms, #initialize, #other_terms, #save_facet_options_for, #sortable_values, #text_terms, #update_member, #values

Constructor Details

This class inherits a constructor from Xapit::AbstractIndexer

Instance Method Details

#index_text_attributes(member, document) ⇒ Object 



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# File 'lib/xapit/indexers/simple_indexer.rb', line 3

def index_text_attributes(member, document)
  @blueprint.text_attributes.map do |name, options|
    terms_for_attribute(member, name, options).each do |term|
      document.add_term(term, options[:weight] || 1)
      database.add_spelling(term) if Config.spelling?
    end
    if Config.stemming
      stemmed_terms_for_attribute(member, name, options).each do |term|
        document.add_term(term, options[:weight] || 1)
      end
    end
  end
end

#stemmed_terms_for_attribute(member, name, options) ⇒ Object 



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# File 'lib/xapit/indexers/simple_indexer.rb', line 17

def stemmed_terms_for_attribute(member, name, options)
  terms_for_attribute(member, name, options).map do |term|
    "Z#{stemmer.call(term)}"
  end
end

#stemmer ⇒ Object 



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# File 'lib/xapit/indexers/simple_indexer.rb', line 34

def stemmer
  @stemmer ||= Xapian::Stem.new(Config.stemming)
end

#terms_for_attribute(member, name, options) ⇒ Object 



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# File 'lib/xapit/indexers/simple_indexer.rb', line 23

def terms_for_attribute(member, name, options)
  content = member.send(name)
  if options[:proc]
    options[:proc].call(content.to_s).reject(&:blank?).map(&:to_s).map(&:downcase)
  elsif content.kind_of? Array
    content.reject(&:blank?).map(&:to_s).map(&:downcase)
  else
    content.to_s.scan(/\w+/u).map(&:downcase)
  end
end