Module: Mongoid::FTS

Extended by:
Util
Defined in:
lib/mongoid-fts.rb,
lib/mongoid-fts/raw.rb,
lib/mongoid-fts/able.rb,
lib/mongoid-fts/util.rb,
lib/mongoid-fts/error.rb,
lib/mongoid-fts/index.rb,
lib/mongoid-fts/rails.rb,
lib/mongoid-fts/results.rb,
lib/mongoid-fts/stemming.rb

Defined Under Namespace

Modules: Able, Stemming, Util Classes: Engine, Error, Index, Raw, Results

Class Method Summary collapse

Methods included from Util

boolean_and, boolean_or, chars, connect!, create_indexes, destroy_all, enable!, find_in_batches, find_or_create, fts_models, fuzzy, index, index!, list_of_strings, literals_for, models, ngrams_for, normalized_array, reset!, session, session=, setup!, stems_for, stopword?, strip, terms_for, unidecode, unindex, unindex!, utf8ify, words_for

Class Method Details

._search(*args) ⇒ Object 



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# File 'lib/mongoid-fts.rb', line 88

def FTS._search(*args)
#
  options = Map.options_for!(args)

#
  literals = Coerce.list_of_strings(options[:literals], options[:literal])

  terms = Coerce.list_of_strings(options[:terms], options[:searches], options[:term], options[:search], args)

  fuzzy = Coerce.list_of_strings(options[:fuzzy])

#
  operator =
    case
      when options[:all] || options[:operator].to_s == 'and'
        if options[:all] != true
          terms.push(*Coerce.list_of_strings(options[:all]))
        end
        :and

      when options[:any] || options[:operator].to_s == 'or'
        if options[:any] != true
          terms.push(*Coerce.list_of_strings(options[:any]))
        end
        :or

      else
        :and
    end

#
  if fuzzy.empty?
    fuzzy = terms 
  end

#
  searches = []

#
  strings =
    [
      FTS.literals_for(literals),
      FTS.terms_for(terms)
    ].uniq

  search =
    case operator
      when :and
        FTS.boolean_and(strings)
      when :or
        FTS.boolean_or(strings)
    end

  searches.push(search)

#
  search = FTS.boolean_or(FTS.fuzzy_for(fuzzy))
  searches.push(search)

#
  text   = options.delete(:text) || Index.default_collection_name.to_s
  limit  = [Integer(options.delete(:limit) || 128), 1].max
  models = [options.delete(:models), options.delete(:model)].flatten.compact

#
  models = FTS.models if models.empty?

#
  last = searches.size - 1

  searches.each_with_index do |search, i|
    _searches =
      if search.strip.empty?
        []
      else
        models.map do |model|
          context_type = model.name.to_s
          
          cmd = Hash.new

          cmd[:text] ||= text

          cmd[:limit] ||= limit

          (cmd[:search] ||= '') << search

          cmd[:project] ||= {'_id' => 1, 'context_type' => 1, 'context_id' => 1}

          cmd[:filter] ||= {'context_type' => context_type}

          Map.for(session.command(cmd)).tap do |_search|
            _search[:_model] = model
            _search[:_cmd] = cmd
          end
        end
      end

    raw = Raw.new(_searches, :_search => search, :_text => text, :_limit => limit, :_models => models)
    return raw if(i == last || !raw.empty?)
  end
end

.able ⇒ Object 



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# File 'lib/mongoid-fts/able.rb', line 64

def FTS.able
  Able
end

.dependencies ⇒ Object 



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# File 'lib/mongoid-fts.rb', line 12

def dependencies
  {
    'mongoid'       => [ 'mongoid'       , '~> 3.1' ] ,
    'map'           => [ 'map'           , '~> 6.5' ] ,
    'coerce'        => [ 'coerce'        , '~> 0.0' ] ,
    'unicode_utils' => [ 'unicode_utils' , '~> 1.4' ] ,
    'stringex'      => [ 'stringex'      , '~> 2.0' ] ,
    'fast_stemmer'  => [ 'fast-stemmer'  , '~> 1.0' ] ,
  }
end

.included(other) ⇒ Object 



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# File 'lib/mongoid-fts.rb', line 190

def FTS.included(other)
  other.send(:include, Able)
  super
end

.libdir(*args, &block) ⇒ Object 



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# File 'lib/mongoid-fts.rb', line 23

def libdir(*args, &block)
  @libdir ||= File.expand_path(__FILE__).sub(/\.rb$/,'')
  args.empty? ? @libdir : File.join(@libdir, *args)
ensure
  if block
    begin
      $LOAD_PATH.unshift(@libdir)
      block.call()
    ensure
      $LOAD_PATH.shift()
    end
  end
end

.load(*libs) ⇒ Object 



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# File 'lib/mongoid-fts.rb', line 37

def load(*libs)
  libs = libs.join(' ').scan(/[^\s+]+/)
  libdir{ libs.each{|lib| Kernel.load(lib) } }
end

.search(*args) ⇒ Object 



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# File 'lib/mongoid-fts.rb', line 80

def FTS.search(*args)
  options = Map.options_for(args)

  _searches = FTS._search(*args)

  Results.new(_searches)
end

.version ⇒ Object 



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# File 'lib/mongoid-fts.rb', line 8

def version
  const_get(:Version)
end