Contents

module Lunar
  # @private Used internally by Lunar::search to get all the word matches
  # given `nest`, `att` and it's `val`.
  class KeywordMatches
    attr :nest
    attr :att
    attr :value

    def initialize(nest, att, value)
      @nest, @att, @value = nest, att.to_sym, value
    end

    def distkey
      return if keys.flatten.empty?

      nest[{ att => value }.hash].tap do |dk|
        dk.zunionstore keys.flatten
      end
    end

  protected
    def keys
      if att == :q
        metaphones.map { |m| nest['*'][m].keys }
      else
        metaphones.map { |m| nest[att][m] }
      end
    end

    def metaphones
      Words.new(value).map { |word| Lunar.metaphone(word) }
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
lunar-0.5.5	lib/lunar/keyword_matches.rb
lunar-0.5.4	lib/lunar/keyword_matches.rb
lunar-0.5.3	lib/lunar/keyword_matches.rb
lunar-0.5.2	lib/lunar/keyword_matches.rb