public TeamPlayerPerformanceCalculator(string connString)
{
_connectionString = connString;
SqlConnection connection = new SqlConnection(_connectionString);
connection.Open();
SqlTransaction transaction = connection.BeginTransaction();
// get bouts
var bouts = new BoutGateway(connection, transaction).GetBouts().OrderBy(b => b.BoutDate);
IList<Jam> jams = new JamGateway(connection, transaction).GetAllJams();
IList<JamPlayer> jamPlayers = new JamPlayerGateway(connection, transaction).GetJamPlayers();
var jamPlayerMap = jamPlayers.GroupBy(jp => jp.JamID).ToDictionary(g => g.Key, g => g.ToList());
foreach(Bout bout in bouts)
{
var boutJams = jams.Where(j => j.BoutID == bout.ID);
// get teamplayerperformance values
// scrape FTS?
// get FTS data for this bout (input ratings, differential, ratings change)
// Calculate an estimated Team Str based on play rate of players
double homeTeamStrength, awayTeamStrength;
CalculateEstimatedTeamStrength(boutJams, bout, jamPlayerMap, out homeTeamStrength, out awayTeamStrength);
// Calculate Expected Ratio from Team Str comparison
CalculateExpectedHomeTeamShare(bout, homeTeamStrength, awayTeamStrength);
// Calculate Expected Delta (Modify both sides scores equally?)
// Convert expected delta to PerfAgainstAverage
// ??? Compare Sum of PerfAgainstAverage to Actual Delta
// ??? Adjust player Ratings to align Team Str with results
}
}
public IList<Dictionary<int, PlayerPerformance>> GetAllPlayerPointPerformances(int numberOfIterations)
{
// pull data
SqlConnection connection = new SqlConnection(_connectionString);
connection.Open();
SqlTransaction transaction = connection.BeginTransaction();
var players = new PlayerGateway(connection, transaction).GetAllPlayers().GroupBy(p => p.ID).ToDictionary(g => g.Key, g => g.ToDictionary(g2 => g2.TeamID));
var jams = new JamGateway(connection, transaction).GetAllJams().OrderBy(j => j.ID);
var jamBoutMap = jams.ToDictionary(j => j.ID, j => j.BoutID);
var jpe = new JamPlayerEffectivenessGateway(connection, transaction).GetAllJamPlayerEffectiveness();
var jamData = new JamDataGateway(connection, transaction).GetAllJamData()
.GroupBy(jd => jd.JamID)
.ToDictionary(g => g.Key, g => g.ToDictionary(g2 => g2.TeamID));
var teams = new TeamGateway(connection, transaction).GetAllTeams().ToDictionary(t => t.ID);
var bouts = new BoutGateway(connection, transaction).GetBouts().ToDictionary(t => t.ID);
var penalties = new PenaltyGateway(connection, transaction).GetAllPenalties()
.GroupBy(p => p.JamID)
.ToDictionary(
g => g.Key,
g => g.GroupBy(g2 => g2.PlayerID).ToDictionary(g3 => g3.Key, g3 => g3.ToList()));
var pgs = new PenaltyGroupGateway(connection, transaction).GetAllPenaltyGroups();
Dictionary<int, int> boxTimeEstimates = new BoxTimeEstimateGateway(connection, transaction).GetAllBoxTimeEstimates();
Dictionary<FoulComparison, Dictionary<int, float>> sss = new SituationalScoreGateway(connection, transaction).GetAllSituationalScores();
AveragePenaltyCostPerJam avgPenCost = new AveragePenaltyCostGateway(connection, transaction).GetAveragePenaltyCost();
Dictionary<int, Dictionary<int, JamPlayer>> jamPlayerMap = new JamPlayerGateway(connection, transaction).GetJamPlayers()
.GroupBy(jp => jp.JamID)
.ToDictionary(g => g.Key, g => g.ToDictionary(g2 => g2.PlayerID));
transaction.Commit();
connection.Close();
Dictionary<FoulComparison, float> medians = CalculateMedianScores(sss);
PenaltyCostCalculator ppcCalc = new PenaltyCostCalculator(_connectionString);
Dictionary<int, double> groupPenaltyCostMap = PenaltyCostCalculator.CalculatePointCosts(jamData, jamPlayerMap, pgs, boxTimeEstimates, sss);
Dictionary<int, double> jamTotalPortionMap = new Dictionary<int, double>(300);
var previousResult = GenerateInitialPlayerPerformance(players, jams, jpe, jamData, teams, bouts, penalties, pgs, avgPenCost, medians, groupPenaltyCostMap, jamTotalPortionMap);
List<Dictionary<int, PlayerPerformance>> result = new List<Dictionary<int, PlayerPerformance>>(numberOfIterations);
result.Add(previousResult);
int i = 0;
while(i < numberOfIterations)
{
previousResult = GeneratePlayerPerformanceIteration(previousResult, jams, jamData, jamTotalPortionMap, jpe, avgPenCost);
result.Add(previousResult);
i++;
}
return result;
}
private List<Jam> CreateJamList(Bout bout, IList<JamLineupModel> lineups)
{
JamGateway jamGateway = new JamGateway(_connection, _transaction);
List<Jam> jams = new List<Jam>();
foreach(JamLineupModel jamLineup in lineups)
{
jams.Add(jamGateway.GetJam(bout.ID, jamLineup.IsFirstHalf, jamLineup.JamNumber));
}
return jams;
}
public IList<PlayerPerformance> GetPlayerPointPerformancesForTeam(int teamID)
{
// pull data
SqlConnection connection = new SqlConnection(_connectionString);
connection.Open();
SqlTransaction transaction = connection.BeginTransaction();
var players = new PlayerGateway(connection, transaction).GetPlayersForTeam(teamID).ToDictionary(p => p.ID);
var jams = new JamGateway(connection, transaction).GetJamsForTeamAfterDate(teamID, new DateTime(2016,1,1)).OrderBy(j => j.ID);
var jamBoutMap = jams.ToDictionary(j => j.ID, j => j.BoutID);
var jpe = new JamPlayerEffectivenessGateway(connection, transaction).GetJamPlayerEffectivenessForTeam(teamID);
var jamData = new JamDataGateway(connection, transaction).GetJamDataForTeam(teamID).ToDictionary(jd => jd.JamID);
var teams = new TeamGateway(connection, transaction).GetAllTeams().ToDictionary(t => t.ID);
var bouts = new BoutGateway(connection, transaction).GetBouts().ToDictionary(t => t.ID);
var penalties = new PenaltyGateway(connection, transaction).GetPenaltiesForTeam(teamID)
.GroupBy(p => p.JamID)
.ToDictionary(
g => g.Key,
g => g.GroupBy(g2 => g2.PlayerID).ToDictionary(g3 => g3.Key, g3 => g3.ToList()));
var pgs = new PenaltyGroupGateway(connection, transaction).GetPenaltyGroupsForTeam(teamID);
Dictionary<int, int> boxTimeEstimates = new BoxTimeEstimateGateway(connection, transaction).GetAllBoxTimeEstimates();
Dictionary<FoulComparison, Dictionary<int, float>> sss = new SituationalScoreGateway(connection, transaction).GetAllSituationalScores();
AveragePenaltyCostPerJam avgPenCost = new AveragePenaltyCostGateway(connection, transaction).GetAveragePenaltyCost();
transaction.Commit();
connection.Close();
Dictionary<FoulComparison, float> medians = CalculateMedianScores(sss);
PenaltyCostCalculator ppcCalc = new PenaltyCostCalculator(_connectionString);
Dictionary<int, double> groupPenaltyCostMap = ppcCalc.CalculatePointCostsForTeam(jamData, pgs, boxTimeEstimates, sss);
Dictionary<int, PlayerPerformance> pps = new Dictionary<int, PlayerPerformance>(25);
Dictionary<int, double> jamTotalPortionMap = new Dictionary<int, double>(300);
foreach(Jam jam in jams)
{
var pe = jpe[jam.ID];
foreach(JamPlayerEffectiveness eff in pe.Values)
{
// get/set PlayerPerformance object
if(!pps.ContainsKey(eff.PlayerID))
{
pps[eff.PlayerID] = new PlayerPerformance
{
Player = players[eff.PlayerID],
Bouts = new List<BoutPerformance>()
};
}
PlayerPerformance curPP = pps[eff.PlayerID];
// get/set BoutPerformance object
Bout bout = bouts[jam.BoutID];
BoutPerformance bp = null;
if (!curPP.Bouts.Any() ||
curPP.Bouts.Last().BoutID != bout.ID)
{
bp = new BoutPerformance
{
BoutID = bout.ID,
AwayTeamName = teams[bout.AwayTeamID].Name,
HomeTeamName = teams[bout.HomeTeamID].Name,
BoutDate = bout.BoutDate,
Jams = new List<JamPerformance>()
};
curPP.Bouts.Add(bp);
}
else
{
bp = curPP.Bouts.Last();
}
JamTeamData jd = jamData[jam.ID];
int penaltyCount = penalties.ContainsKey(jam.ID) && penalties[jam.ID].ContainsKey(eff.PlayerID) ? penalties[jam.ID][eff.PlayerID].Count() : 0;
JamPerformance jp = new JamPerformance
{
BlockerJamPercentage = eff.IsJammer ? 0 : eff.JamPortion,
DeltaPercentile = eff.BaseQuality,
IsFirstHalf = jam.IsFirstHalf,
JamID = jam.ID,
JammerJamPercentage = eff.IsJammer ? eff.JamPortion : 0,
JamNumber = jam.JamNumber,
JamPenalties = penaltyCount,
MedianDelta = medians[jd.FoulComparison],
PenaltyCost = 0,
PointDelta = jd.PointDelta
};
if (jamTotalPortionMap.ContainsKey(jam.ID))
{
jamTotalPortionMap[jam.ID] += eff.IsJammer ? eff.JamPortion * 4 : eff.JamPortion;
}
else
{
jamTotalPortionMap[jam.ID] = eff.IsJammer ? eff.JamPortion * 4 : eff.JamPortion;
}
bp.Jams.Add(jp);
}
}
foreach(PenaltyGroup pg in pgs)
{
foreach(Penalty p in pg.Penalties)
{
if (jams.Any(j => j.ID == p.JamID))
{
JamPerformance jp = pps[p.PlayerID].Bouts.SelectMany(b => b.Jams).Where(j => j.JamID == p.JamID).First();
jp.PenaltyCost += groupPenaltyCostMap[pg.GroupID];
}
}
}
foreach(PlayerPerformance pp in pps.Values)
{
RollUpPlayerPerformance(avgPenCost, jamTotalPortionMap, pp);
}
CalculateTeamAverages(pps, bouts);
foreach(PlayerPerformance pp in pps.Values)
{
pp.BlockerPerformance.PlayerValueVersusTeamAverage = pp.Bouts.Sum(b => b.BlockerPerformance.PlayerValueVersusTeamAverage);
pp.JammerPerformance.PlayerValueVersusTeamAverage = pp.Bouts.Sum(b => b.JammerPerformance.PlayerValueVersusTeamAverage);
}
return pps.Values.ToList();
}