searchable.rb

require 'elasticsearch/model'

module Concerns
  module Author
    module Searchable
      extend ActiveSupport::Concern
      included do
        include Elasticsearch::Model
        include Elasticsearch::Model::Callbacks
        
        settings index: { number_of_shards: 1 } do
          mappings dynamic: 'false' do
            indexes :name, type: 'text'
            indexes :alias, type: 'text'
          end
        end
        
        def as_indexed_json(_options = {})
          { 
            name: name,
            alias: alias
          }
        end
        
        def self.search(query)
          __elasticsearch__.search(
            query: {
              bool: {
                should: [
                  { match: { name: { query: cleaned_query(query), boost: 2 } } },
                  { match: { alias: { query: cleaned_query(query) } } }
                ]
              }
            }
          )
        end

        def self.cleaned_query(query)
          escaped_characters = Regexp.escape('\\+-&|!(){}[]^~*?:\/')
          query.gsub(/([#{escaped_characters}])/, '\\\\\1')
        end
      end
    end
  end
end