// Copyright (c) 2022, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'dart:async';

import 'package:analysis_server/protocol/protocol.dart';
import 'package:analysis_server/protocol/protocol_generated.dart';
import 'package:analysis_server/src/analysis_server.dart';
import 'package:analysis_server/src/handler/legacy/legacy_handler.dart';
import 'package:analysis_server/src/utilities/progress.dart';

/// The handler for the `server.setSubscriptions` request.
class ServerSetSubscriptionsHandler extends LegacyHandler {
  /// Initialize a newly created handler to be able to service requests for the
  /// [server].
  ServerSetSubscriptionsHandler(AnalysisServer server, Request request,
      CancellationToken cancellationToken)
      : super(server, request, cancellationToken);

  @override
  Future<void> handle() async {
    try {
      server.serverServices = ServerSetSubscriptionsParams.fromRequest(request)
          .subscriptions
          .toSet();
      server.requestStatistics?.isNotificationSubscribed =
          server.serverServices.contains(ServerService.LOG);
    } on RequestFailure catch (exception) {
      sendResponse(exception.response);
      return;
    }
    sendResult(ServerSetSubscriptionsResult());
  }
}