public async Task <ChessMatch> AcceptChallenge(ulong channel, IUser player)
{
if (await PlayerIsInGame(channel, player))
{
throw new ChessException($"{player.Mention} is currently in a game.");
}
var challenge = _challenges.Where(x => x.Channel == channel && x.Challenged == player).OrderBy(x => x.ChallengeDate).FirstOrDefault();
if (challenge == null)
{
throw new ChessException($"No challenge exists for you to accept.");
}
if (await PlayerIsInGame(channel, challenge.Challenger))
{
throw new ChessException($"{challenge.Challenger.Mention} is currently in a game.");
}
var chessGame = new ChessGame();
var chessMatch = new ChessMatch {
Channel = channel, Game = chessGame, Challenger = challenge.Challenger, Challenged = challenge.Challenged
};
_challenges.Remove(challenge);
_chessMatches.Add(chessMatch);
return(await Task.FromResult <ChessMatch>(chessMatch));
}
private async void RemoveUndoRequest(ChessMatch match, Action <ChessMatch> onTimeout)
{
await Task.Delay(_confirmationsTimeout);
if (match.UndoRequest != null)
{
match.UndoRequest = null;
onTimeout(match);
}
}