def ft_add record:
      fields = []
      @fields.each { |field| fields.push(field, record.send(field)) }
      REDI_SEARCH.call('FT.ADD', @index_name, record.to_global_id.to_s, @score,
        'REPLACE',
        'FIELDS', fields
        #'NOSAVE', 'PAYLOAD', 'LANGUAGE'
      )
    rescue Exception => e
      Rails.logger.error e if defined? Rails
      return e.message
    end
def ft_add record:
      fields = []
      @fields.each { |field| fields.push(field, record.send(field)) }
      REDI_SEARCH.call('FT.ADD', @index_name, record.to_global_id.to_s, @score,
        'REPLACE',
        'FIELDS', fields
        #'NOSAVE', 'PAYLOAD', 'LANGUAGE'
      )
    rescue Exception => e
      Rails.logger.error e if defined? Rails
      return e.message
    end
index specific record

 @param record [Object] Object to index
 @return [String]