public IEnumerable <Head2HeadRecord> GetHead2HeadRecords(
[FromRoute(Name = "player")] string playerName,
[FromRoute(Name = "season")] string seasonName)
{
var player = PlayerHandler.GetPlayerByName(playerName);
var season = SeasonHandler.GetSeason(seasonName);
if (player == null || season == null)
{
return(new Head2HeadRecord[0]);
}
var games = GameHandler
.GetGamesByPlayer(playerName, SortOrder.Descending)
.FindAll(g => season.IsActive(g.Created));
var ratings = RatingHandler.GetRatingsByPlayerAndSeason(player, season)
.Where(pr => pr.GameId != null)
.ToDictionary(pr => pr.GameId);
return(games
.SelectMany(g => g.Scores.Where(gs => gs.Player.Name != playerName))
.GroupBy(gs => gs.Player) // group by opponent
.Select(g => new Head2HeadRecord
{
Opponent = g.Key.Name,
Wins = g.Count(gs => gs.Loss), // player's wins are losses for opponent
Losses = g.Count(gs => gs.Win), // player's losses are wins for opponent
RatingChange = Math.Round(g.Sum(gs => ratings[gs.GameId].RatingChange)) // summing player's rating changes
})
.OrderBy(h2h => h2h.Opponent));
}
static bool AddSeasonIfNotExists(string name, DateTimeOffset startDate, DateTimeOffset endDate)
{
if (SeasonHandler.GetSeason(name) != null)
{
Console.WriteLine($"Season {name} already exists");
return(false);
}
Console.WriteLine($"Add {name} season from {startDate} to {endDate}");
SeasonHandler.AddSeason(new Season
{
Name = name,
StartDate = startDate,
EndDate = endDate
});
return(true);
}