setMeta method

Future<CtrlMessage> setMeta(SetParams params)

Update topic metadata

Implementation

Future<CtrlMessage> setMeta(SetParams params) async {
  if (params.tags != null && params.tags!.isNotEmpty) {
    params.tags = Tools.normalizeArray(params.tags!);
  }

  // Send Set message, handle async response.
  var ctrl = await _tinodeService.setMeta(name ?? '', params);

  if (ctrl.code! >= 300) {
    // Not modified
    return ctrl;
  }

  if (params.sub != null) {
    params.sub!.topic = name;

    if (ctrl.params != null && ctrl.params['acs'] != null) {
      params.sub!.acs = AccessMode(ctrl.params['acs']);
      params.sub!.updated = ctrl.ts;
    }

    if (params.sub!.user == null) {
      // This is a subscription update of the current user.
      // Assign user ID otherwise the update will be ignored by _processMetaSub.
      params.sub!.user = _authService.userId;
      params.desc ??= TopicDescription();
    }
    params.sub!.noForwarding = true;

    processMetaSub([params.sub!]);
  }

  if (params.desc != null) {
    if (ctrl.params != null && ctrl.params['acs'] != null) {
      params.desc!.acs = AccessMode(ctrl.params['acs']);
      params.desc!.updated = ctrl.ts;
    }
    processMetaDesc(params.desc!);
  }

  if (params.tags != null) {
    processMetaTags(params.tags!);
  }

  if (params.cred != null) {
    processMetaCreds([params.cred!], true);
  }

  return ctrl;
}