def elo_calculator(match):
"""generate the ELO of the match"""
ELO_FACTOR = 32
ELO_PONDERATION = 400
game = Match(match)
playersOldElo = {}
eloPool = 0
# collect the base data to calculate the elo
for player in game.players:
temp = MongoInterface.get_player(player.playerName).get("elo")
playersOldElo[player.playerName] = temp
eloPool += temp
# calculate each players elo
for player in game.players:
splayer = SimplifiedPlayer(MongoInterface.get_player(player.playerName))
oldElo = playersOldElo[player.playerName]
if player.playerName in game.winners:
newElo = oldElo + (
(ELO_FACTOR * (1 - (math.pow(10, oldElo / ELO_PONDERATION) / eloPool))) / len(game.winners)
)
else:
newElo = oldElo + ((ELO_FACTOR * (0 - (math.pow(10, oldElo / ELO_PONDERATION) / eloPool))))
splayer.elo = newElo
splayer.save()
player.elo = newElo
MongoInterface.update_log(game.ident, game.toDoc())
return newElo
def elo_calculator(match):
"""generate the ELO of the match"""
ELO_FACTOR = 32
ELO_PONDERATION = 400
game = Match(match)
playersOldElo = {}
eloPool = 0
#collect the base data to calculate the elo
for player in game.players:
temp = MongoInterface.get_player(player.playerName).get('elo')
playersOldElo[player.playerName] = temp
eloPool += temp
#calculate each players elo
for player in game.players:
splayer = SimplifiedPlayer(MongoInterface.get_player(
player.playerName))
oldElo = playersOldElo[player.playerName]
if player.playerName in game.winners:
newElo = oldElo + ((ELO_FACTOR * (1 - (math.pow(
10, oldElo / ELO_PONDERATION) / eloPool))) / len(game.winners))
else:
newElo = oldElo + (
(ELO_FACTOR *
(0 - (math.pow(10, oldElo / ELO_PONDERATION) / eloPool))))
splayer.elo = newElo
splayer.save()
player.elo = newElo
MongoInterface.update_log(game.ident, game.toDoc())
return newElo
def save(self):
"""insert or update the player on the database
this function will search the database on the players collection
and see if player exists if it already exists and 'update' is true it
will update the player data on the database else it does nothing,
and if player don't exists it saves the new player
"""
player = MongoInterface.get_player(self.name)
document = {"name": self.name, "elo": self.elo}
if player is None:
MongoInterface.insert_player(document)
else:
MongoInterface.update_player(player["_id"], document)
def save(self):
"""insert or update the player on the database
this function will search the database on the players collection
and see if player exists if it already exists and 'update' is true it
will update the player data on the database else it does nothing,
and if player don't exists it saves the new player
"""
player = MongoInterface.get_player(self.name)
document = {"name": self.name, "elo": self.elo}
if player is None:
MongoInterface.insert_player(document)
else:
MongoInterface.update_player(player["_id"], document)
