public void TestCenterOfCluster()
{
var grouper = new DBScan();
var dbScanList = new List<DBScanProPlayerGame>();
dbScanList.Add(new DBScanProPlayerGame(new ProPlayerGame(SummonerIds.C9.Sneaky, 1, 3, timeline1)));
dbScanList.Add(new DBScanProPlayerGame(new ProPlayerGame(SummonerIds.C9.Sneaky, 2, 3, timeline2)));
dbScanList.Add(new DBScanProPlayerGame(new ProPlayerGame(SummonerIds.C9.Sneaky, 3, 3, timeline3)));
dbScanList.Add(new DBScanProPlayerGame(new ProPlayerGame(SummonerIds.C9.Sneaky, 4, 3, timeline4)));
dbScanList.Add(new DBScanProPlayerGame(new ProPlayerGame(SummonerIds.C9.Sneaky, 5, 3, timeline5)));
dbScanList.Add(new DBScanProPlayerGame(new ProPlayerGame(SummonerIds.C9.Sneaky, 6, 3, timeline6)));
var results = grouper.GetClusters(dbScanList, 3, 2);
Assert.AreEqual(2, results.Count);
var centerOfCluster1 = grouper.FindCenterOfCluster(results[0]);
// 3 should be the center because 1 is closest to 2 and 3 but 3 is equidistant to 1 and is longer
Assert.AreEqual(3, centerOfCluster1.Game.GameId);
var centerOfCluster2 = grouper.FindCenterOfCluster(results[1]);
// this is not interesting because the cluster has 2 identical games, but make sure we don't choke.
// it isn't important if 4 or 5 is the center, but our algorithm will stumble upon 4 first so it
// should be returned
Assert.AreEqual(4, centerOfCluster2.Game.GameId);
}
static void Main(string[] args)
{
using (var context = new GameContext())
{
var summonerIdsInTable = (from y in context.Games
select y.SummonerId).Distinct().ToList();
Console.WriteLine("There are {0} summoners in the database", summonerIdsInTable.Count());
foreach (var proPlayerSummonerId in summonerIdsInTable)
{
Console.WriteLine("Running through summoner id {0}", proPlayerSummonerId);
// we will only even both to run any algorithm to try an generate
// an item set if the pro has more than 5 games on the champion
var listOfGamesAccordingToChampion = (from x in context.Games
where x.SummonerId == proPlayerSummonerId
group x by x.ChampionId into champLists
where champLists.Count() >= 5
select champLists).ToList();
// the champList contains all games this pro played with 1 particular champ
foreach (var champList in listOfGamesAccordingToChampion)
{
Console.WriteLine("Running through champ id {0}", champList.Key);
Console.WriteLine("Games count on this champ is is {0}", champList.Count());
var dbScanList = new List<DBScanProPlayerGame>();
foreach (var game in champList)
{
System.Diagnostics.Debug.WriteLine("Game Id is {0}", game.GameId);
var dbScanProPlayerGame = new DBScanProPlayerGame(game);
dbScanList.Add(dbScanProPlayerGame);
}
Console.WriteLine("Running DBScan on games");
var dbScan = new DBScan();
var clusters = dbScan.GetClusters(dbScanList, 5, 3);
foreach (var oneCluster in clusters)
{
Console.WriteLine("Cluster of count {0} identified", oneCluster.Count);
}
if (clusters.Count != 0)
{
Console.WriteLine("Trying to find biggest cluster");
var biggestCluster = (from cluster in clusters
orderby cluster.Count
select cluster).First();
var centerOfBiggestCluster = dbScan.FindCenterOfCluster(biggestCluster);
var timelineFromCenter = centerOfBiggestCluster.Game.ItemPurchaseTimeline;
var itemBlocks = timelineFromCenter.TryToSplitIntoPurchases(15);
var itemSet = new ItemSet("Item Set", itemBlocks);
var itemSetJson = itemSet.ToJson();
Console.WriteLine("Generated item set with json\n{0}", itemSetJson);
var oldItem = context.ItemSets.SingleOrDefault((t) => t.SummonerId == proPlayerSummonerId && t.ChampionId == champList.Key);
//var oldItem = context.ItemSets.Find(proPlayerSummonerId, champList.Key);
if (oldItem != null)
{
oldItem.ItemSetJson = itemSetJson;
}
else
{
context.ItemSets.Add(new ProPlayerItemSet(proPlayerSummonerId, champList.Key, itemSetJson));
}
}
else
{
Console.WriteLine("No clusters found");
}
}
}
context.SaveChanges();
}
}
public void TestTwoClustersAreIdentifiedWithTwoRadicallyDifferentBuilds()
{
var grouper = new DBScan();
var dbScanList = new List<DBScanProPlayerGame>();
dbScanList.Add(new DBScanProPlayerGame(new ProPlayerGame(SummonerIds.C9.Sneaky, 1, 3, timeline1)));
dbScanList.Add(new DBScanProPlayerGame(new ProPlayerGame(SummonerIds.C9.Sneaky, 2, 3, timeline2)));
dbScanList.Add(new DBScanProPlayerGame(new ProPlayerGame(SummonerIds.C9.Sneaky, 3, 3, timeline3)));
dbScanList.Add(new DBScanProPlayerGame(new ProPlayerGame(SummonerIds.C9.Sneaky, 4, 3, timeline4)));
dbScanList.Add(new DBScanProPlayerGame(new ProPlayerGame(SummonerIds.C9.Sneaky, 5, 3, timeline5)));
dbScanList.Add(new DBScanProPlayerGame(new ProPlayerGame(SummonerIds.C9.Sneaky, 6, 3, timeline6)));
var results = grouper.GetClusters(dbScanList, 3, 2);
Assert.AreEqual(2, results.Count);
}