implment collection of historical data

python/backends/database.py

@@ -7,6 +7,7 @@ import backends.trueskillWrapper as trueskill
 # setup
 # create TABLE players (id TEXT PRIMARY KEY, name TEXT, lastgame TEXT, wins INTEGER, mu REAL, sigma REAL, game INTEGER);
 # create TABLE rounds (timestamp TEXT PRIMARY KEY, winners BLOB, losers BLOB, winnerSide INTEGER, map TEXT, duration INTEGER, prediction REAL, confidence REAL)
+# create TABLE playerHistoricalData (id TEXT, timestamp TEXT, mu REAL, sima REAL)
 
 DATABASE = "players.sqlite"
 DATABASE_ROUNDS = "rounds.sqlite"
@@ -34,6 +35,20 @@ def check():
     else:
         return (count, avgPred)
 
+def logHistoricalData(player, timestamp):
+    if not timestamp:
+        return
+    conn = sqlite3.connect(DATABASE)
+    cursor = conn.cursor()
+    cursor.execute("INSERT INTO playerHistoricalData VALUES (?,?,?,?)", (
+                            player.id,
+                            timestamp.timestamp(),
+                            player.rating.mu,
+                            player.rating.sigma))
+    conn.commit()
+    conn.close()
+
+
 
 def saveRound(r):
     conn = sqlite3.connect(DATABASE_ROUNDS)
@@ -86,7 +101,7 @@ def getOrCreatePlayer(player):
 def getMultiplePlayers(playerIdList):
     return [ getPlayer(p) for p in playerIdList ]
 
-def savePlayerToDatabase(player, incrementWins=0):
+def savePlayerToDatabase(player, incrementWins=0, timestamp=None):
     conn = sqlite3.connect(DATABASE)
     cursor = conn.cursor()
 
@@ -110,8 +125,27 @@ def savePlayerToDatabase(player, incrementWins=0):
                             player.rating.mu, player.rating.sigma, 0))
     conn.commit()
     conn.close()
-    return getPlayer(player.id)
+    playerDone = getPlayer(player.id)
 
-def saveMultiplePlayersToDatabase(playerList, incrementWins=0):
+    logHistoricalData(playerDone, timestamp)
+    return playerDone
+
+def saveMultiplePlayersToDatabase(playerList, incrementWins=0, timestamp=None):
     for p in playerList:
-        savePlayerToDatabase(p, incrementWins)
+        savePlayerToDatabase(p, incrementWins, timestamp=timestamp)
+
+def getBuddyGraphs(players):
+    conn = sqlite3.connect(DATABASE)
+    cursor = conn.cursor()
+
+    graphs = dict()
+
+    for p in players:
+        rows = []# cursor.execute("SELECT buddy from buddies where playerId = ?;", (p.id,))
+        buddies = [ r[0] for r in rows ]
+        for b in buddies:
+            if b in players:
+                pass
+
+    conn.close()
+

python/backends/trueskillWrapper.py

@@ -106,10 +106,13 @@ def predictOutcome(teamA, teamB):
     else:
         raise ValueError("Probability was NAN, team rating must have been malformed.")
 
-def balance(players, buddies=None):
+def balance(players):
     sortedByRating = sorted(players, key=lambda p: env.expose(p.rating))
     teamA = []
     teamB = []
+
+    graphs = db.getBuddyGraphs(players)
+
     for i in range(0, len(players)):
         if i % 2 == 0:
             teamA += [sortedByRating[i]]

python/httpAPI.py

@@ -141,5 +141,6 @@ def evaluateRound(matchRound):
     for playerInDatabase in losersRated.keys():
         playerInDatabase.rating = losersRated[playerInDatabase]
 
-    db.saveMultiplePlayersToDatabase(winnersRated.keys(), incrementWins=1)
+    db.saveMultiplePlayersToDatabase(winnersRated.keys(), incrementWins=1, 
-    db.saveMultiplePlayersToDatabase(losersRated.keys())
+                                        timestamp=matchRound.start)
+    db.saveMultiplePlayersToDatabase(losersRated.keys(), timestamp=matchRound.start)

python/players.sqlite.init

@@ -6,3 +6,5 @@ CREATE TABLE players(
 	mu INTEGER,
 	sigma INTEGER,
 	games INTEGER);
+
+create TABLE playerHistoricalData (id TEXT, timestamp TEXT, mu REAL, sima REAL);