static void Main(string[] args)
{
// delete all ratings and stats
Console.WriteLine("Delete all ratings");
PlayerHandler.DeleteAllPlayerSeasons();
RatingHandler.DeleteAllRatings();
// get all games in chronological order
Console.WriteLine("Get games");
var games = GameHandler.GetGamesAfter(int.MinValue, SortOrder.Ascending);
// calculate new ratings
Console.WriteLine($"Calculate new ratings for {games.Count} games");
var completed = 0;
foreach (var game in games)
{
Ratings.CalculateNewRatings(game);
++completed;
Console.Write($"\rProgress: {completed}/{games.Count} ({completed / (double)games.Count:P1})");
}
Console.WriteLine();
}
public bool PostGame([FromBody] GameResult gameResult)
{
try
{
ValidateGameResult(gameResult);
var winningPlayer = GetOrCreatePlayer(gameResult.Winner);
var losingPlayer = GetOrCreatePlayer(gameResult.Loser);
var game = GameHandler.AddGame(new Models.Game
{
Scores = new List <GameScore>
{
new GameScore
{
PlayerId = winningPlayer.Id,
Score = 1.0
},
new GameScore
{
PlayerId = losingPlayer.Id,
Score = 0.0
}
}
});
Ratings.CalculateNewRatings(game);
return(true);
}
catch (Exception /*ex*/)
{
return(false);
}
}
public bool DeleteGame(int id)
{
try
{
// get the game
var game = GameHandler.GetGame(id);
if (game == null)
{
throw new ArgumentException("No such game");
}
// delete the game (incl game scores and player ratings)
GameHandler.DeleteGame(game);
// delete ratings from later games
RatingHandler.DeleteRatingsAfter(game.PlayerRatings[0].Id, deleteDefaultRatings: false);
// reset current ratings in PlayerSeasons
var lastPlayerRatings = RatingHandler.GetLatestRatingsPerPlayerSeason();
var updatedPlayerSeasons = lastPlayerRatings
.Where(pr => !pr.PlayerSeason.Season.HasEnded(game.Created)) // current and future seasons
.Select(pr =>
{
var playerSeason = pr.PlayerSeason;
playerSeason.Season = null;
playerSeason.Rating = pr.Rating;
playerSeason.RatingChange = pr.RatingChange;
playerSeason.Wins = pr.Wins;
playerSeason.Losses = pr.Losses;
playerSeason.CurrentStreak = pr.CurrentStreak;
return(playerSeason);
})
.ToList();
PlayerHandler.UpdatePlayerSeasons(updatedPlayerSeasons.Where(ps => ps.GamesPlayed > 0));
PlayerHandler.DeletePlayerSeasons(updatedPlayerSeasons.Where(ps => ps.GamesPlayed == 0));
// get all games after the deleted game
var games = GameHandler.GetGamesAfter(game.Id, SortOrder.Ascending);
// recalculate ratings
games.ForEach(g => Ratings.CalculateNewRatings(g));
// delete players with no games
var players = PlayerHandler.GetAllPlayers()
.Where(p => p.Seasons.Count == 0);
PlayerHandler.DeletePlayers(players);
return(true);
}
catch (Exception /*ex*/)
{
return(false);
}
}