Module: TkhSearch::TkhSearchable

Defined in:
lib/tkh_search/tkh_searchable.rb

Defined Under Namespace

Modules: LocalInstanceMethods

Instance Method Summary collapse

Instance Method Details

#index_individual_record(record) ⇒ Object 



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# File 'lib/tkh_search/tkh_searchable.rb', line 27

def index_individual_record(record)
  words = {}
  # Loop through each indexable field
  self.tkh_search_indexable_fields.each do |field_name, strength|
    # Remove html tags, transform to lowercase and split words
    # Splitting only with spaces because we want to preserve devanagari characters
    Sanitize.fragment(record.send(field_name)).downcase.split.each do |word|
      word = clean_up(word)
      if words[word] # add strength to existing word rating
        words[word] += strength
      else # new word
        words[word] = strength # create a new word pair
      end
    end
  end
  populate_index_tables( words, record )
end

#reverse_indexing ⇒ Object 



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# File 'lib/tkh_search/tkh_searchable.rb', line 14

def reverse_indexing
  # Any model must have a self.tkh_search_indexable_fields class method returning
  # a hash of "field_name: :strength" pairs to be indexed
  if defined? self.tkh_search_indexable_fields
    # Index all records of the given model
    self.all.each do |record|
      index_individual_record(record)
    end
  else # no fields have been set in the model
    "The model '#{self.name}' has no fields marked for indexing."
  end
end

#tkh_searchable ⇒ Object

Class methods



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# File 'lib/tkh_search/tkh_searchable.rb', line 9

def tkh_searchable
  include TkhSearch::TkhSearchable::LocalInstanceMethods
  after_save :index_record
end