public ValueTask HandleAsync(ConnectedClient sender, JoinContest message, CancellationToken cancellationToken)
{
var existingContest = _contestStore.FindActiveByContestantId(sender.ClientId);
if (existingContest != null)
{
throw new InvalidOperationException($"Already in contest {existingContest.ContestId}");
}
var contest = _contestStore.Find(sender.Group);
if (contest == null)
{
contest = new Contest(sender.Group);
}
contest.Join(sender.ClientId, message.Side);
_contestStore.Save(contest);
return(default);
public object GetUpdateFor(string clientId)
{
var contest = _contestStore.FindActiveByContestantId(clientId);
if (contest == null)
{
// This is a bit of a hack. Either pass ConnectedClient to this method,
// or have a domain-specific ISpectatorsStore that will be filled by ConnectHook.
var client = _connectedClients.Find(clientId);
if (client == null)
{
throw new InvalidOperationException("Client is not connected already.");
}
var contestId = client.Group;
contest = _contestStore.Find(contestId);
if (contest == null)
{
return(new ContestUpdate()); // Not started yet.
}
}
var data = contest.GetData();
return(new ContestUpdate
{
Progress = data.Progress,
Contestants = data.Contestants.SelectMany(
x => x.Value.Select(
contestantId => new ContestantUpdate
{
ContestantId = contestantId,
Side = x.Key
})).ToList(),
HasStarted = data.HasStarted,
HasEnded = data.HasEnded
});
}