msearch

in elasticsearch-api/lib/elasticsearch/api/actions/msearch.rb [79:129]

• 41 lines of code
• 12 McCabe index (conditional complexity)

      def msearch(arguments = {})
        request_opts = { endpoint: arguments[:endpoint] || 'msearch' }

        defined_params = [:index].each_with_object({}) do |variable, set_variables|
          set_variables[variable] = arguments[variable] if arguments.key?(variable)
        end
        request_opts[:defined_params] = defined_params unless defined_params.empty?

        raise ArgumentError, "Required argument 'body' missing" unless arguments[:body]

        arguments = arguments.clone
        headers = arguments.delete(:headers) || {}

        body = arguments.delete(:body)

        _index = arguments.delete(:index)

        method = Elasticsearch::API::HTTP_POST
        path   = if _index
                   "#{Utils.listify(_index)}/_msearch"
                 else
                   '_msearch'
                 end
        params = Utils.process_params(arguments)

        if body.is_a?(Array) && body.any? { |d| d.key? :search }
          payload = body.each_with_object([]) do |item, sum|
            meta = item
            data = meta.delete(:search)

            sum << meta
            sum << data
          end.map { |item| Elasticsearch::API.serializer.dump(item) }
          payload << '' unless payload.empty?
          payload = payload.join("\n")
        elsif body.is_a?(Array)
          payload = body.map { |d| d.is_a?(String) ? d : Elasticsearch::API.serializer.dump(d) }
          payload << '' unless payload.empty?
          payload = payload.join("\n")
        else
          payload = body
        end

        headers.merge!({
                         'Content-Type' => 'application/vnd.elasticsearch+x-ndjson; compatible-with=9'
                       })
        Elasticsearch::API::Response.new(
          perform_request(method, path, params, payload, headers, request_opts)
        )
      end