/// <summary>
/// This creates a best-out-of-three match for the Finale and a solo match for the Bronze Finale.
/// </summary>
public static void CreateFinaleStructure()
{
// Finale
for (int p = 0; p < 3; p++)
{
var match = new Match {Phase = Phase.Finale, Priority = p};
Mongo.Matches.Save(match);
}
// Losers' finale
var losers = new Match {Phase = Phase.LoserFinale};
Mongo.Matches.Save(losers);
// Bronze finale
var bronze = new Match { Phase = Phase.BronzeFinale };
Mongo.Matches.Save(bronze);
}
/// <summary>
/// This method creates the pool structure and adds it to the database.
/// Teams are divided into groups of 4, based on their MMR.
///
/// Only works when there are 2^N with N >= 4 teams.
/// </summary>
public static void CreatePoolStructure()
{
// Get competing teams
var validTeams = Mongo.Teams.FindAll()
.OrderByDescending(x => x.AmountOfRuStudents)
.ThenBy(x => x.Participants.Sum(y => y.RegisterTime.Ticks))
.Take(32)
.OrderByDescending(x => x.MMR).ToList();
// For each pool
for (int i = 0; i < validTeams.Count() / 4; i++)
{
Team[] teams = {validTeams[i], validTeams[validTeams.Count()/2 - i - 1], validTeams[validTeams.Count()/2 + i], validTeams[(int)(validTeams.Count()*0.75) + i]};
List<int>[] availabilityLists = { new List<int> { 0, 1, 2 }, new List<int> { 0, 1, 2 }, new List<int> { 0, 1, 2 }, new List<int> { 0, 1, 2 } };
// For each team
for (int j = 0; j < 4; j++)
{
// Set pool in team objects
teams[j].Pool = i;
Mongo.Teams.Save(teams[j]);
// For each team below team j
for (int k = j + 1; k < 4; k++)
{
// Determine priority
var intersect = availabilityLists[j].Intersect(availabilityLists[k]);
var p = intersect.Min();
// Remove chosen priority from team availability lists
availabilityLists[j].Remove(p);
availabilityLists[k].Remove(p);
// Determine sides (lowest MMR = blue)
var blue = teams[j].MMR < teams[k].MMR ? teams[j].Id : teams[k].Id;
var purple = teams[j].MMR >= teams[k].MMR ? teams[j].Id : teams[k].Id;
// Create match and add to database
var match = new Match { BlueTeamId = blue, PurpleTeamId = purple, Phase = Phase.Pool, Priority = p };
Mongo.Matches.Save(match);
}
}
}
}
/// <summary>
/// Checks whether the match that was just played has consequences for the structure of the rest of the tournament. If so, push these consequences into the database.
/// </summary>
/// <param name="finishedMatch">The match that was just finished.</param>
private static void NewMatch(Match finishedMatch)
{
var finishedMatchWinner = finishedMatch.Winner;
if (finishedMatch.Phase == Phase.Pool)
{
var pool = finishedMatch.BlueTeam.Pool;
// Check whether the pool is finished
if (PoolFinished(pool, Mongo.Matches))
{
// Pool is finished
// To create brackets, one of the other pools also needs to be finished.
// Pools are coupled as follows: 1,2 | 3,4 | etc.
int otherPool;
// If this is an even pool
if (pool%2 == 0)
otherPool = pool + 1;
else
otherPool = pool - 1;
// If coupled pool is also finished
if (PoolFinished(otherPool, Mongo.Matches))
{
// Get ranking for pools
var poolARanking = GetPoolRanking(pool, Mongo.Teams);
var poolBRanking = GetPoolRanking(otherPool, Mongo.Teams);
// We can now create the brackets for these pools
// Winner bracket
var match = new Match {BlueTeamId = poolARanking[0].Id, PurpleTeamId = poolBRanking[1].Id, Phase = Phase.WinnerBracket, Priority = Math.Min(pool, otherPool)};
var match2 = new Match { BlueTeamId = poolBRanking[0].Id, PurpleTeamId = poolARanking[1].Id, Phase = Phase.WinnerBracket, Priority = Math.Max(pool, otherPool)};
Mongo.Matches.Save(match);
Mongo.Matches.Save(match2);
// Loser bracket
var match3 = new Match { BlueTeamId = poolARanking[2].Id, PurpleTeamId = poolBRanking[3].Id, Phase = Phase.LoserBracket, Priority = Math.Min(pool, otherPool) };
var match4 = new Match { BlueTeamId = poolBRanking[2].Id, PurpleTeamId = poolARanking[3].Id, Phase = Phase.LoserBracket, Priority = Math.Max(pool, otherPool) };
Mongo.Matches.Save(match3);
Mongo.Matches.Save(match4);
// Set the teams to the correct phase
poolARanking[0].Phase = Phase.WinnerBracket;
poolARanking[0].OnHold = false;
poolARanking[1].Phase = Phase.WinnerBracket;
poolARanking[1].OnHold = false;
poolARanking[2].Phase = Phase.LoserBracket;
poolARanking[2].OnHold = false;
poolARanking[3].Phase = Phase.LoserBracket;
poolARanking[3].OnHold = false;
poolBRanking[0].Phase = Phase.WinnerBracket;
poolBRanking[0].OnHold = false;
poolBRanking[1].Phase = Phase.WinnerBracket;
poolBRanking[1].OnHold = false;
poolBRanking[2].Phase = Phase.LoserBracket;
poolBRanking[2].OnHold = false;
poolBRanking[3].Phase = Phase.LoserBracket;
poolBRanking[3].OnHold = false;
// Save all to database
Mongo.Teams.Save(poolARanking[0]);
Mongo.Teams.Save(poolARanking[1]);
Mongo.Teams.Save(poolARanking[2]);
Mongo.Teams.Save(poolARanking[3]);
Mongo.Teams.Save(poolBRanking[0]);
Mongo.Teams.Save(poolBRanking[1]);
Mongo.Teams.Save(poolBRanking[2]);
Mongo.Teams.Save(poolBRanking[3]);
}
else
{
// Set all teams in pool to Hold
var teams = Mongo.Teams.Find(Query<Team>.Where(x => x.Pool == pool));
foreach (var t in teams)
{
t.OnHold = true;
Mongo.Teams.Save(t);
}
}
}
// If this was the final match in the pool for this team
else if (finishedMatch.Priority == 2)
{
// Set match teams on hold since they don't have any matches left
Team[] teams = {finishedMatch.BlueTeam, finishedMatch.PurpleTeam};
foreach (var t in teams)
{
t.OnHold = true;
Mongo.Teams.Save(t);
}
}
}
else if (finishedMatch.Phase == Phase.WinnerBracket || finishedMatch.Phase == Phase.LoserBracket)
{
// First phase
if (finishedMatch.Priority <= 7)
{
int[] couples =
{
4,
5,
6,
7,
0,
1,
2,
3
};
// Check if other match is also finished
var otherPrio = couples[finishedMatch.Priority];
var matchFinished =
Mongo.Matches.Find(
Query<Match>.Where(
x => x.Finished && x.Phase == finishedMatch.Phase && x.Priority == otherPrio));
// It's finished, add new bracket match
if (matchFinished.Count() == 1)
{
var otherTeam = matchFinished.First().Winner;
var match = new Match
{
BlueTeamId = finishedMatch.WinnerId,
PurpleTeamId = otherTeam.Id,
Phase = finishedMatch.Phase,
Priority = Math.Min(finishedMatch.Priority, otherPrio) + 8
};
Mongo.Matches.Save(match);
// Set OnHold = false for teams
finishedMatchWinner.OnHold = false;
otherTeam.OnHold = false;
Mongo.Teams.Save(finishedMatch.Winner);
Mongo.Teams.Save(otherTeam);
}
else
{
// Not finished, put team on hold
finishedMatchWinner.OnHold = true;
Mongo.Teams.Save(finishedMatchWinner);
}
}
// Second phase
else if (finishedMatch.Priority >= 8 && finishedMatch.Priority <= 11)
{
var couples = new Dictionary<int, int>
{
{8, 10},
{10, 8},
{9, 11},
{11, 9}
};
// Check if other match is also finished
var otherPrio = couples[finishedMatch.Priority];
var matchFinished =
Mongo.Matches.Find(
Query<Match>.Where(
x => x.Finished && x.Phase == finishedMatch.Phase && x.Priority == otherPrio));
// It's finished, add new bracket match
if (matchFinished.Count() == 1)
{
var otherTeam = matchFinished.First().Winner;
var match = new Match
{
BlueTeamId = finishedMatch.WinnerId,
PurpleTeamId = matchFinished.First().WinnerId,
Phase = finishedMatch.Phase,
Priority = Math.Min(finishedMatch.Priority, otherPrio) + 4
};
Mongo.Matches.Save(match);
// Set OnHold = false for teams
finishedMatchWinner.OnHold = false;
otherTeam.OnHold = false;
Mongo.Teams.Save(finishedMatch.Winner);
Mongo.Teams.Save(otherTeam);
}
else
{
// Not finished, put team on hold
finishedMatchWinner.OnHold = true;
Mongo.Teams.Save(finishedMatchWinner);
}
}
// Third phase, don't do this for loser bracket
else if ((finishedMatch.Priority == 12 || finishedMatch.Priority == 13) && finishedMatch.Phase == Phase.WinnerBracket)
{
// Check if other match is also finished
var otherPrio = finishedMatch.Priority == 12 ? 13 : 12;
var matchFinished =
Mongo.Matches.Find(
Query<Match>.Where(
x => x.Finished && x.Phase == Phase.WinnerBracket && x.Priority == otherPrio));
// It's finished, set finale match
if (matchFinished.Count() == 1)
{
var match = Mongo.Matches.Find(Query<Match>.Where(x => x.Phase == Phase.Finale && x.Priority == 0)).First();
match.BlueTeamId = finishedMatch.WinnerId;
match.PurpleTeamId = matchFinished.First().WinnerId;
Mongo.Matches.Save(match);
// Switch sides
match = Mongo.Matches.Find(Query<Match>.Where(x => x.Phase == Phase.Finale && x.Priority == 1)).First();
match.BlueTeamId = matchFinished.First().WinnerId;
match.PurpleTeamId = finishedMatch.WinnerId;
Mongo.Matches.Save(match);
// Switch sides again
match = Mongo.Matches.Find(Query<Match>.Where(x => x.Phase == Phase.Finale && x.Priority == 2)).First();
match.BlueTeamId = finishedMatch.WinnerId;
match.PurpleTeamId = matchFinished.First().WinnerId;
Mongo.Matches.Save(match);
// Set team phases
var blueTeam = match.BlueTeam;
var purpleTeam = match.PurpleTeam;
blueTeam.Phase = Phase.Finale;
blueTeam.OnHold = false;
purpleTeam.Phase = Phase.Finale;
purpleTeam.OnHold = false;
// Save all to database
Mongo.Teams.Save(blueTeam);
Mongo.Teams.Save(purpleTeam);
// Also set bronze finale match
match = Mongo.Matches.Find(Query<Match>.Where(x => x.Phase == Phase.BronzeFinale)).First();
match.BlueTeamId = finishedMatch.BlueTeamId == finishedMatch.WinnerId ? finishedMatch.PurpleTeamId : finishedMatch.BlueTeamId;
match.PurpleTeamId = matchFinished.First().BlueTeamId == matchFinished.First().WinnerId ? matchFinished.First().PurpleTeamId : matchFinished.First().BlueTeamId;
Mongo.Matches.Save(match);
// And set their teams to the correct phase
blueTeam = match.BlueTeam;
purpleTeam = match.PurpleTeam;
blueTeam.Phase = Phase.BronzeFinale;
blueTeam.OnHold = false;
purpleTeam.Phase = Phase.BronzeFinale;
purpleTeam.OnHold = false;
// Save all to database
Mongo.Teams.Save(blueTeam);
Mongo.Teams.Save(purpleTeam);
}
else
{
// Not finished, put team on hold
finishedMatchWinner.OnHold = true;
var loser = finishedMatchWinner.Id == finishedMatch.BlueTeamId
? finishedMatch.PurpleTeam
: finishedMatch.BlueTeam;
loser.OnHold = true;
Mongo.Teams.Save(finishedMatchWinner);
Mongo.Teams.Save(loser);
}
}
// Set up loser finale
else if ((finishedMatch.Priority == 12 || finishedMatch.Priority == 13) && finishedMatch.Phase == Phase.LoserBracket)
{
// Check if other match is also finished
var otherPrio = finishedMatch.Priority == 12 ? 13 : 12;
var matchFinished =
Mongo.Matches.Find(
Query<Match>.Where(
x => x.Finished && x.Phase == Phase.LoserBracket && x.Priority == otherPrio));
// It's finished, set loser finale match
if (matchFinished.Count() == 1)
{
var match = Mongo.Matches.Find(Query<Match>.Where(x => x.Phase == Phase.LoserFinale && x.Priority == 0)).First();
match.BlueTeamId = finishedMatch.WinnerId;
match.PurpleTeamId = matchFinished.First().WinnerId;
Mongo.Matches.Save(match);
// Set team phases
var blueTeam = match.BlueTeam;
var purpleTeam = match.PurpleTeam;
blueTeam.Phase = Phase.LoserFinale;
blueTeam.OnHold = false;
purpleTeam.Phase = Phase.LoserFinale;
purpleTeam.OnHold = false;
// Save all to database
Mongo.Teams.Save(blueTeam);
Mongo.Teams.Save(purpleTeam);
}
else
{
// Not finished, put team on hold
finishedMatchWinner.OnHold = true;
var loser = finishedMatchWinner.Id == finishedMatch.BlueTeamId
? finishedMatch.PurpleTeam
: finishedMatch.BlueTeam;
loser.OnHold = true;
Mongo.Teams.Save(finishedMatchWinner);
Mongo.Teams.Save(loser);
}
}
}
else if (finishedMatch.Phase == Phase.BronzeFinale)
{
// Add third and fourth place to database
var winner = finishedMatch.Winner;
var loser = finishedMatch.BlueTeamId == winner.Id ? finishedMatch.PurpleTeam : finishedMatch.BlueTeam;
winner.FinalRanking = 3;
loser.FinalRanking = 4;
Mongo.Teams.Save(winner);
Mongo.Teams.Save(loser);
}
else if (finishedMatch.Phase == Phase.Finale)
{
if (finishedMatch.Priority == 2)
{
// We have played all three matches, add final rankings to database
var winsBlueTeam = Mongo.Matches.Count(Query<Match>.Where(x => x.Phase == Phase.Finale && x.WinnerId == finishedMatch.BlueTeamId));
var winner = winsBlueTeam >= 2 ? finishedMatch.BlueTeam : finishedMatch.PurpleTeam;
var loser = winner.Id == finishedMatch.BlueTeamId ? finishedMatch.PurpleTeam : finishedMatch.BlueTeam;
winner.FinalRanking = 1;
loser.FinalRanking = 2;
Mongo.Teams.Save(winner);
Mongo.Teams.Save(loser);
}
else if (finishedMatch.Priority == 1)
{
// We have played two matches so far
var winsBlueTeam = Mongo.Matches.Count(Query<Match>.Where(x => x.Phase == Phase.Finale && x.WinnerId == finishedMatch.BlueTeamId));
if (winsBlueTeam == 0 || winsBlueTeam == 2)
{
// It's already decided, scratch third match
Mongo.Matches.Remove(Query<Match>.Where(x => x.Phase == Phase.Finale && x.Priority == 2));
var winner = finishedMatch.Winner; // winner is always also the winner of the previous match
var loser = winner.Id == finishedMatch.BlueTeamId ? finishedMatch.PurpleTeam : finishedMatch.BlueTeam;
winner.FinalRanking = 1;
loser.FinalRanking = 2;
Mongo.Teams.Save(winner);
Mongo.Teams.Save(loser);
}
}
else if (finishedMatch.Priority == 0)
{
// This was the first match, do nothing
}
}
}