public async Task JoinRoom(string groupId)
{
var user = ConnectedUsers.Users.FirstOrDefault(x => x.UID == Context.UserIdentifier);
if (user != default) //user exist
{
if (ActiveGroups.GetGroup(groupId) != default) //Group exist
{
AddToGroup(groupId, user);
await Clients.Caller.GoToRoom(groupId);
}
else
{
await Clients.Caller.ReceiveMessage("InvalidGroup");
}
}
}
