public void CalculationTest()
{
// Arrange
var player1 = new ApplicationUser
{
Id = "1"
};
var player2 = new ApplicationUser
{
Id = "2"
};
var eloStat = new EloStat();
// Act
eloStat.AddMatch(new Match
{
FirstPlayerScore = 7,
SecondPlayerScore = 5,
FirstPlayer = player1,
SecondPlayer = player2
});
eloStat.AddMatch(new Match
{
FirstPlayerScore = 7,
SecondPlayerScore = 2,
FirstPlayer = player1,
SecondPlayer = player2
});
eloStat.AddMatch(new Match
{
FirstPlayerScore = 1,
SecondPlayerScore = 7,
FirstPlayer = player1,
SecondPlayer = player2
});
// Assert
eloStat[player1].Should().Be(1407);
eloStat[player2].Should().Be(1393);
}
// GET: Leagues/Rating/5
public async Task <IActionResult> Rating(Guid?id)
{
if (id == null)
{
return(NotFound());
}
var currentUser = await User.GetApplicationUser(_userManager);
var league = _leaguesRepository.GetUserAuthorizedLeague(currentUser, id.Value);
if (league == null)
{
return(NotFound());
}
league =
_context.League.Include(l => l.Matches)
.ThenInclude(m => m.FirstPlayer)
.Include(l => l.Matches)
.ThenInclude(m => m.SecondPlayer)
.Single(m => m.Id == id);
var notBlockedUserIds =
new HashSet <string>(
_context.LeaguePlayers.Where(lp => lp.LeagueId == league.Id && !lp.IsBlocked)
.Select(lp => lp.UserId));
var activeUsers = new HashSet <ApplicationUser>();
var elo = new EloStat();
var stats = new List <IStat>
{
elo,
new WinRateStat(),
new GoalsForAgainstStat(),
new StreakStat(true),
new StreakStat(false)
};
foreach (var match in league.Matches.OrderBy(m => m.Date))
{
if (notBlockedUserIds.Contains(match.FirstPlayerId))
{
activeUsers.Add(match.FirstPlayer);
}
if (notBlockedUserIds.Contains(match.SecondPlayerId))
{
activeUsers.Add(match.SecondPlayer);
}
foreach (var stat in stats)
{
stat.AddMatch(match);
}
}
var userList = new List <ApplicationUser>(activeUsers);
var forecast = new Dictionary <string, Dictionary <string, string> >();
foreach (var appUser in userList)
{
var dict = new Dictionary <string, string>();
foreach (var t in userList)
{
var userRating = elo[appUser];
dict[t.Id] = (new Elo(userRating, elo[t], 1, 0).NewRatingAPlayer - userRating).ToString();
}
forecast[appUser.Id] = dict;
}
var lastMatches = _context.Match.Where(m => m.LeagueId == league.Id).OrderByDescending(m => m.Date).Take(5);
return
(View(new RatingViewModel(stats, activeUsers.OrderByDescending(u => elo.GetResult(u)), forecast,
lastMatches)));
}