public Dictionary <int, Stats> Stats => new Dictionary <int, Stats>(_stats); // Returning a copy of the list to prevent fiddling from outside the Entity with the actual dictionary
protected override void Init()
{
var groups = CompletedGames.GroupBy(g => g.NrOfDigits);
foreach (var group in groups)
{
CalculateStats(group.Key, group);
}
}
public void NewGame(StartGame command)
{
if (CompletedGames.Any(g => g.Id == command.Game) || ActiveGame?.Id == command.Game)
throw new DXGameException("game_already_started");
if (ActiveGame != null && ActiveGame.State != GameState.Finished && ActiveGame.State != GameState.None)
throw new DXGameException("another_game_is_already_in_progress");
if (_players.Count < 3)
throw new DXGameException("too_small_amount_of_players");
if (!_players.Contains(command.Requester))
throw new DXGameException("unathorized_request");
ApplyEvent(new GameStartRequested(this.Id, command.Game, command.CommandId));
}
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder
.Query <LeaderBoardRecord>()
.ToQuery(() => Players.Select(p => new LeaderBoardRecord
{
Player = p,
Wins = CompletedGames.Count(g => g.WinnerId == p.Id),
Losses = CompletedGames.Count(g => g.LoserId == p.Id)
}));
/*
* SELECT p.*, WinCount, LossCount
* FROM Players p INNER JOIN
* (SELECT WinnerId, COUNT(1) WinCount FROM CompletedGames GROUP BY WinnerId) w ON p.Id = w.WinnerId INNER JOIN
* (SELECT LoserId, COUNT(1) LossCount FROM CompletedGames GROUP BY LoserId) l ON p.Id = l.LoserId
*/
}
protected override void HandleGameCompleted(Game game)
{
var gamesToRecalculate = CompletedGames.Where(item => item.NrOfDigits == game.NrOfDigits);
CalculateStats(game.NrOfDigits, gamesToRecalculate);
}