public async Task FetchGroups(StandardCommand c)
{
if (c.SessionToken != null && connectedUsers.ContainsKey(Context.ConnectionId) && c.SessionToken == connectedUsers[Context.ConnectionId].SessionToken)
{
(ListOf_DBResult flag, List <Group> groups) = await HoloData.FetchGroups(c.SessionToken);
UpdateModel updateModel = new UpdateModel();
updateModel.AddGroups(groups);
ClientUpdates.SendUpdate(Clients.Caller, flag, updateModel);
}
}
