fetchNext method

Future<List<User>> fetchNext({ required dynamic onSuccess(List<User> userList)?, required dynamic onError(CometChatException excep)?, })

Fetch a list of users based on the provided filters.

This method could throw PlatformException with error codes specifying the cause.

Implementation

Future<List<User>> fetchNext(
    {required Function(List<User> userList)? onSuccess,
    required Function(CometChatException excep)? onError}) async {
  try {
    final result = await channel.invokeMethod('fetchUsers', {
      'searchTerm': this.searchKeyword,
      'limit': this.limit,
      'hidebloackedUsers': this.hideBlockedUsers,
      'userRoles': this.roles,
      'friendsOnly': this.friendsOnly,
      'tags': this.tags,
      'withTags': this.withTags,
      'userStatus': this.userStatus,
      'uids': this.uids,
      'key': this.key
    });
    final List<User> res = [];
    if (result != null) {
      key = result["key"];
      if (result["list"] != null) {
        for (var _obj in result["list"]) {
          try {
            res.add(User.fromMap(_obj));
          } catch (e) {
            if (onError != null) {
              onError(CometChatException(ErrorCode.errorUnhandledException,
                  e.toString(), e.toString()));
            }
            return [];
          }
        }
      }
    }
    debugPrint("key is $key");
    if (onSuccess != null) onSuccess(res);
    return res;
  } on PlatformException catch (platformException) {
    if (onError != null) {
      onError(CometChatException(platformException.code,
          platformException.details, platformException.message));
    }
  } catch (e) {
    debugPrint("Error: $e");
    if (onError != null) {
      onError(CometChatException(
          ErrorCode.errorUnhandledException, e.toString(), e.toString()));
    }
  }
  return [];
}