Module: NaiveSearch::NaiveSearchOn

Extended by:
ActiveSupport::Concern
Defined in:
lib/naive-search/naive_search_on.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Instance Method Details

#relevance_for(query) ⇒ Object 



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# File 'lib/naive-search/naive_search_on.rb', line 38

def relevance_for(query)
  query = ::UnicodeUtils.downcase query.to_s
  @naive_relevance ||= {}
  return @naive_relevance[query] if @naive_relevance[query]
  words = query.split " "
  
  score = self.naive_search_fields.map do |field|
    content = ::UnicodeUtils.downcase self.send(field).to_s
    words.map do |w|
      # one point for partial word matches
      (content.scan(w).size + 
      # one point for partial query matches
       content.scan(query).size + 
      # two points for exact word match
       (content == w ? 2 : 0) + 
      # two points for exact query match
       (content == query ? 2 : 0))
    end.sum
  end.sum

  @naive_relevance[query] = score
end