/// <summary>
/// Create a new set of teams
/// </summary>
/// <param name="teamCount">The number of teams to generate</param>
public async Task CreateNewRound(int teamCount, CancellationToken cancel)
{
var teams = new List <Team>();
if (Settings.Algorithm2)
{
var algo2 = new Algorithm2()
{
LoggingOn = Settings.LoggingOn,
LoggingPath = _storage.LoggingPath
};
teams = algo2.Generate(PlayerProvider, teamCount, Rounds.ToList());
}
else
{
var numTeamGens = Settings.NumberOfGenerations;
var teamCreator = new RoundCreator();
var winnersPenalty = new TooManyWinnersPenalty(PlayerProvider);
var penalties = new IPenalty[] { PlayerPairings, winnersPenalty };
teams = await teamCreator.CreateApproximatelyOptimalTeams(penalties, PlayerProvider, numTeamGens, teamCount, cancel);
}
var filename = _storage.GetNextHatRoundPath();
var round = new HatRound(teams, filename);
round.SaveToFile();
AddRound(round);
}
private void AddRound(HatRound round)
{
Rounds.Add(round);
round.AddRoundToPairingCount(PlayerPairings);
round.GameDone += (sender, args) => {
// Guard against race conditions
var gameDone = GameDone;
if (gameDone != null)
{
gameDone(sender, args);
}
};
}
public void LoadExistingData()
{
Rounds.Clear();
PlayerPairings.Clear();
var files = _storage.GetHatRoundPaths();
foreach (var file in files)
{
try
{
var doc = new XmlDocument();
using (var stream = new FileStream(file, FileMode.Open))
{
doc.Load(stream);
}
var teams = doc.SelectNodes("/HatRound/Teams/Team");
// Basic validation
if (teams.Count == 0 || teams.Count % 2 != 0)
{
throw new Exception();
}
var teamList = new List <Team>();
foreach (XmlNode team in teams)
{
var teamName = team.SelectSingleNode("Name").InnerText;
Team t = new Team(teamName);
var players = team.SelectNodes("Players/Player");
// Basic validation
if (players.Count == 0)
{
throw new Exception();
}
foreach (XmlNode player in players)
{
var name = player.SelectSingleNode("Name").InnerText;
Player p = PlayerProvider.GetPlayer(name);
// Player list may have changed throughout the day, so accept this difference
if (p != null)
{
t.AddPlayer(p);
}
}
GameResult gameResult = (GameResult)Enum.Parse(typeof(GameResult), team.SelectSingleNode("GameResult").InnerText);
if (gameResult != GameResult.NoneYet)
{
t.GameDone(gameResult);
}
teamList.Add(t);
}
var round = new HatRound(teamList, file);
AddRound(round);
}
catch (Exception)
{
throw new InvalidRoundException(string.Format("Round file {0} is an invalid file", file));
}
}
}
