static FutureOr handle()

in packages/devtools_shared/lib/src/server/server_api.dart [29:198]
137 lines of code
32 McCabe index (conditional complexity)

  static FutureOr<shelf.Response> handle(
    shelf.Request request, [
    ServerApi? api,
  ]) {
    api ??= ServerApi();
    switch (request.url.path) {
      // ----- Flutter Tool GA store. -----
      case apiGetFlutterGAEnabled:
        // Is Analytics collection enabled?
        return api.getCompleted(
          request,
          json.encode(FlutterUsage.doesStoreExist ? _usage!.enabled : ''),
        );
      case apiGetFlutterGAClientId:
        // Flutter Tool GA clientId - ONLY get Flutter's clientId if enabled is
        // true.
        return (FlutterUsage.doesStoreExist)
            ? api.getCompleted(
                request,
                json.encode(_usage!.enabled ? _usage!.clientId : ''),
              )
            : api.getCompleted(
                request,
                json.encode(''),
              );

      // ----- DevTools GA store. -----

      case apiResetDevTools:
        _devToolsUsage.reset();
        return api.getCompleted(request, json.encode(true));
      case apiGetDevToolsFirstRun:
        // Has DevTools been run first time? To bring up analytics dialog.
        return api.getCompleted(
          request,
          json.encode(_devToolsUsage.isFirstRun),
        );
      case apiGetDevToolsEnabled:
        // Is DevTools Analytics collection enabled?
        return api.getCompleted(
            request, json.encode(_devToolsUsage.analyticsEnabled));
      case apiSetDevToolsEnabled:
        // Enable or disable DevTools analytics collection.
        final queryParams = request.requestedUri.queryParameters;
        if (queryParams.containsKey(devToolsEnabledPropertyName)) {
          _devToolsUsage.analyticsEnabled =
              json.decode(queryParams[devToolsEnabledPropertyName]!);
        }
        return api.setCompleted(
            request, json.encode(_devToolsUsage.analyticsEnabled));

      // ----- DevTools survey store. -----

      case apiSetActiveSurvey:
        // Assume failure.
        bool result = false;

        // Set the active survey used to store subsequent apiGetSurveyActionTaken,
        // apiSetSurveyActionTaken, apiGetSurveyShownCount, and
        // apiIncrementSurveyShownCount calls.
        final queryParams = request.requestedUri.queryParameters;
        if (queryParams.keys.length == 1 &&
            queryParams.containsKey(activeSurveyName)) {
          final String theSurveyName = queryParams[activeSurveyName]!;

          // Set the current activeSurvey.
          _devToolsUsage.activeSurvey = theSurveyName;
          result = true;
        }

        return api.getCompleted(request, json.encode(result));
      case apiGetSurveyActionTaken:
        // Request setActiveSurvey has not been requested.
        if (_devToolsUsage.activeSurvey == null) {
          return api.badRequest('$errorNoActiveSurvey '
              '- $apiGetSurveyActionTaken');
        }
        // SurveyActionTaken has the survey been acted upon (taken or dismissed)
        return api.getCompleted(
          request,
          json.encode(_devToolsUsage.surveyActionTaken),
        );
      // TODO(terry): remove the query param logic for this request.
      // setSurveyActionTaken should only be called with the value of true, so
      // we can remove the extra complexity.
      case apiSetSurveyActionTaken:
        // Request setActiveSurvey has not been requested.
        if (_devToolsUsage.activeSurvey == null) {
          return api.badRequest('$errorNoActiveSurvey '
              '- $apiSetSurveyActionTaken');
        }
        // Set the SurveyActionTaken.
        // Has the survey been taken or dismissed..
        final queryParams = request.requestedUri.queryParameters;
        if (queryParams.containsKey(surveyActionTakenPropertyName)) {
          _devToolsUsage.surveyActionTaken =
              json.decode(queryParams[surveyActionTakenPropertyName]!);
        }
        return api.setCompleted(
          request,
          json.encode(_devToolsUsage.surveyActionTaken),
        );
      case apiGetSurveyShownCount:
        // Request setActiveSurvey has not been requested.
        if (_devToolsUsage.activeSurvey == null) {
          return api.badRequest('$errorNoActiveSurvey '
              '- $apiGetSurveyShownCount');
        }
        // SurveyShownCount how many times have we asked to take survey.
        return api.getCompleted(
          request,
          json.encode(_devToolsUsage.surveyShownCount),
        );
      case apiIncrementSurveyShownCount:
        // Request setActiveSurvey has not been requested.
        if (_devToolsUsage.activeSurvey == null) {
          return api.badRequest('$errorNoActiveSurvey '
              '- $apiIncrementSurveyShownCount');
        }
        // Increment the SurveyShownCount, we've asked about the survey.
        _devToolsUsage.incrementSurveyShownCount();
        return api.getCompleted(
          request,
          json.encode(_devToolsUsage.surveyShownCount),
        );
      case apiGetLastReleaseNotesVersion:
        return api.getCompleted(
          request,
          json.encode(_devToolsUsage.lastReleaseNotesVersion),
        );
      case apiSetLastReleaseNotesVersion:
        final queryParams = request.requestedUri.queryParameters;
        if (queryParams.containsKey(lastReleaseNotesVersionPropertyName)) {
          _devToolsUsage.lastReleaseNotesVersion =
              queryParams[lastReleaseNotesVersionPropertyName]!;
        }
        return api.getCompleted(
          request,
          json.encode(_devToolsUsage.lastReleaseNotesVersion),
        );
      case apiGetBaseAppSizeFile:
        final queryParams = request.requestedUri.queryParameters;
        if (queryParams.containsKey(baseAppSizeFilePropertyName)) {
          final filePath = queryParams[baseAppSizeFilePropertyName]!;
          final fileJson = LocalFileSystem.devToolsFileAsJson(filePath);
          if (fileJson == null) {
            return api.badRequest('No JSON file available at $filePath.');
          }
          return api.getCompleted(request, fileJson);
        }
        return api.badRequest('Request for base app size file does not '
            'contain a query parameter with the expected key: '
            '$baseAppSizeFilePropertyName');
      case apiGetTestAppSizeFile:
        final queryParams = request.requestedUri.queryParameters;
        if (queryParams.containsKey(testAppSizeFilePropertyName)) {
          final filePath = queryParams[testAppSizeFilePropertyName]!;
          final fileJson = LocalFileSystem.devToolsFileAsJson(filePath);
          if (fileJson == null) {
            return api.badRequest('No JSON file available at $filePath.');
          }
          return api.getCompleted(request, fileJson);
        }
        return api.badRequest('Request for test app size file does not '
            'contain a query parameter with the expected key: '
            '$testAppSizeFilePropertyName');
      default:
        return api.notImplemented(request);
    }
  }