public void CreateOrJoin(string key, string name)
{
var group = _groups.FirstOrDefault(g => g.Key == key);
if (group == null)
{
group = new DrinkingGroup {
Key = key, Owner = Context.ConnectionId
};
_groups.Add(group);
}
if (group.HasFinished || group.HasStarted)
{
throw new Exception("You cannot join a group which has started or finished");
}
group.Glasses.Add(new Glass {
ConnectionId = Context.ConnectionId, Name = name
});
BroadcastGroup(group);
GetConnectionId();
}
private void BroadcastGroup(DrinkingGroup group, bool removing = false)
{
var clients = group.Glasses.Select(g => g.ConnectionId).ToList();
Clients.Clients(clients).SendAsync("Group", removing ? null : group);
}