public IEnumerable <ShowTournamentLadderChallengeViewModel> CalculateTournamentLadderChallenge(CalculateTournamentLadderChallengeViewModel viewModel)
{
ProgressReporterProvider.Current.ReportProgress(string.Format("Calculating tournament ladder challenge for {0}-{1}", viewModel.Tournament, viewModel.StartDate.ToShortDateString()), ReporterImportance.High, ReporterAudience.Admin);
var ladders = this.tennisFixtureService.GetTournamentLadder(viewModel.StartDate, viewModel.Tournament);
if (ladders.Count() == 0)
{
return(Enumerable.Empty <ShowTournamentLadderChallengeViewModel>());
}
var tournament = this.tennisFixtureService.GetTournament(viewModel.Tournament);
var seed = new List <ShowTournamentLadderChallengeViewModel>();
foreach (var ladder in ladders)
{
var openingRound = new ShowTournamentLadderChallengeViewModel
{
ExpectedWinner = string.Format("{0}, {1}", ladder.PlayerSurname, ladder.PlayerFirstName),
ExpectedWinnerFirstName = ladder.PlayerFirstName,
ExpectedWinnerSurname = ladder.PlayerSurname,
RoundNumber = 0
};
seed.Add(openingRound);
}
return
(CalculateRoundTournamentLadderChallenge(seed, tournament.Slug, viewModel.StartDate.AddDays(3).Year, 1)
.Where(x => x.RoundNumber > 0));
}
private IList <ShowTournamentLadderChallengeViewModel> CalculateRoundTournamentLadderChallenge(IList <ShowTournamentLadderChallengeViewModel> seed,
string tournamentSlug, int year, int round)
{
var previousRoundMatches
= seed.Where(x => x.RoundNumber == round - 1)
.ToList();
if (previousRoundMatches.Count() <= 1)
{
return(seed);
}
for (int i = 0; i < previousRoundMatches.Count; i += 2)
{
var viewModel = new ShowTournamentLadderChallengeViewModel()
{
RoundNumber = round
};
int shift = 0;
int loserShift = 0;
if (previousRoundMatches[i + 1].ExpectedWinnerSurname == "Bye")
{
shift = i;
loserShift = i + 1;
viewModel.Probability = 1;
}
else if (previousRoundMatches[i].ExpectedWinnerSurname == "Bye")
{
shift = i + 1;
loserShift = i;
viewModel.Probability = 1;
}
else
{
bool playerAGoesThrough = true;
var prediction = this.tennisPredictionService.GetSingleTennisPrediction(
previousRoundMatches[i].ExpectedWinnerSurname.Replace(".", ""),
previousRoundMatches[i].ExpectedWinnerFirstName.Replace(".", ""),
previousRoundMatches[i + 1].ExpectedWinnerSurname.Replace(".", ""),
previousRoundMatches[i + 1].ExpectedWinnerFirstName.Replace(".", ""),
year,
tournamentSlug,
false /*we don't want to accidentally introduce hindsight*/);
if (prediction.Predictions.Probabilities["HomeWin"] > prediction.Predictions.Probabilities["AwayWin"])
{
playerAGoesThrough = true;
}
else if (prediction.Predictions.Probabilities["HomeWin"] < prediction.Predictions.Probabilities["AwayWin"])
{
playerAGoesThrough = false;
}
else
{
playerAGoesThrough = prediction.Predictions.PlayerAGames >= prediction.Predictions.PlayerBGames;
}
shift = playerAGoesThrough ? i : (i + 1);
loserShift = playerAGoesThrough ? (i + 1) : i;
viewModel.Probability = playerAGoesThrough ? prediction.Predictions.Probabilities["HomeWin"] : prediction.Predictions.Probabilities["AwayWin"];
}
viewModel.ExpectedWinner = previousRoundMatches[shift].ExpectedWinner;
viewModel.ExpectedWinnerFirstName = previousRoundMatches[shift].ExpectedWinnerFirstName;
viewModel.ExpectedWinnerSurname = previousRoundMatches[shift].ExpectedWinnerSurname;
viewModel.ExpectedLoser = previousRoundMatches[loserShift].ExpectedWinner;
viewModel.ExpectedLoserFirstName = previousRoundMatches[loserShift].ExpectedLoserFirstName;
viewModel.ExpectedLoserSurname = previousRoundMatches[loserShift].ExpectedLoserSurname;
seed.Add(viewModel);
}
return(CalculateRoundTournamentLadderChallenge(seed, tournamentSlug, year, round + 1));
}
private async Task<IList<ShowTournamentLadderChallengeViewModel>> CalculateRoundTournamentLadderChallenge(IList<ShowTournamentLadderChallengeViewModel> seed,
string tournamentSlug, int year, int round)
{
var previousRoundMatches
= seed.Where(x => x.RoundNumber == round - 1)
.ToList();
if (previousRoundMatches.Count() <= 1)
return seed;
for (int i = 0; i < previousRoundMatches.Count; i += 2)
{
var viewModel = new ShowTournamentLadderChallengeViewModel() { RoundNumber = round };
int shift = 0;
int loserShift = 0;
if (previousRoundMatches[i + 1].ExpectedWinnerSurname == "Bye")
{
shift = i;
loserShift = i + 1;
viewModel.Probability = 1;
}
else if (previousRoundMatches[i].ExpectedWinnerSurname == "Bye")
{
shift = i + 1;
loserShift = i;
viewModel.Probability = 1;
}
else
{
bool playerAGoesThrough = true;
var prediction = await
this.tennisPredictionService.GetSingleTennisPrediction(
previousRoundMatches[i].ExpectedWinnerSurname,
previousRoundMatches[i].ExpectedWinnerFirstName,
previousRoundMatches[i + 1].ExpectedWinnerSurname,
previousRoundMatches[i + 1].ExpectedWinnerFirstName,
year,
tournamentSlug,
false /*we don't want to accidentally introduce hindsight*/);
if (prediction.Predictions.Probabilities["homeWin"] > prediction.Predictions.Probabilities["awayWin"])
playerAGoesThrough = true;
else if (prediction.Predictions.Probabilities["homeWin"] < prediction.Predictions.Probabilities["awayWin"])
playerAGoesThrough = false;
else
playerAGoesThrough = prediction.Predictions.PlayerAGames >= prediction.Predictions.PlayerBGames;
shift = playerAGoesThrough ? i : (i + 1);
loserShift = playerAGoesThrough ? (i + 1) : i;
viewModel.Probability = playerAGoesThrough ? prediction.Predictions.Probabilities["homeWin"] : prediction.Predictions.Probabilities["awayWin"];
}
viewModel.ExpectedWinner = previousRoundMatches[shift].ExpectedWinner;
viewModel.ExpectedWinnerFirstName = previousRoundMatches[shift].ExpectedWinnerFirstName;
viewModel.ExpectedWinnerSurname = previousRoundMatches[shift].ExpectedWinnerSurname;
viewModel.ExpectedLoser = previousRoundMatches[loserShift].ExpectedWinner;
viewModel.ExpectedLoserFirstName = previousRoundMatches[loserShift].ExpectedLoserFirstName;
viewModel.ExpectedLoserSurname = previousRoundMatches[loserShift].ExpectedLoserSurname;
seed.Add(viewModel);
}
return await CalculateRoundTournamentLadderChallenge(seed, tournamentSlug, year, round + 1);
}
public IEnumerable<ShowTournamentLadderChallengeViewModel> CalculateTournamentLadderChallenge(CalculateTournamentLadderChallengeViewModel viewModel)
{
ProgressReporterProvider.Current.ReportProgress(string.Format("Calculating tournament ladder challenge for {0}-{1}", viewModel.Tournament, viewModel.StartDate.ToShortDateString()), ReporterImportance.High, ReporterAudience.Admin);
var ladders = this.tennisFixtureService.GetTournamentLadder(viewModel.StartDate, viewModel.Tournament);
if (ladders.Count() == 0)
return Enumerable.Empty<ShowTournamentLadderChallengeViewModel>();
var tournament = this.tennisFixtureService.GetTournament(viewModel.Tournament);
var seed = new List<ShowTournamentLadderChallengeViewModel>();
foreach (var ladder in ladders)
{
var openingRound = new ShowTournamentLadderChallengeViewModel
{
ExpectedWinner = string.Format("{0}, {1}", ladder.PlayerSurname, ladder.PlayerFirstName),
ExpectedWinnerFirstName = ladder.PlayerFirstName,
ExpectedWinnerSurname = ladder.PlayerSurname,
RoundNumber = 0
};
seed.Add(openingRound);
}
return
CalculateRoundTournamentLadderChallenge(seed, tournament.Slug, viewModel.StartDate.AddDays(3).Year, 1)
.Where(x => x.RoundNumber > 0);
}
