private async Task <GameHistory> ComputeNewUserPoints(GameHistory gameHistory)
{
var users = new Dictionary <string, User>();
foreach (var(playerId, player) in gameHistory.Summary.Players)
{
users[playerId] = await this.Repository.GetUserById(player.WebsiteId !.Value).ConfigureAwait(false);
}
var match = new EloMatch();
var eloPlayers = gameHistory.Summary.Players.Aggregate(new Dictionary <string, IEloPlayer>(), (acc, kvp) =>
{
var user = users[kvp.Key];
acc[kvp.Key] = match.AddPlayer(kvp.Value.Rank, user.Points);
return(acc);
});
match.ComputeElos();
foreach (var(playerId, player) in gameHistory.Summary.Players)
{
player.Points = eloPlayers[playerId].NewElo;
player.DeltaPoints = eloPlayers[playerId].EloChange;
}
return(gameHistory);
}