5 import sqlalchemy.sql.functions as sfunc
6 from datetime import timedelta
7 from sqlalchemy.orm import mapper
8 from sqlalchemy.orm import scoped_session
9 from sqlalchemy.orm import sessionmaker
10 from sqlalchemy.ext.declarative import declarative_base
11 from xonstat.elo import ELOPARMS, KREDUCTION
12 from xonstat.util import strip_colors, html_colors, pretty_date
14 log = logging.getLogger(__name__)
16 DBSession = scoped_session(sessionmaker())
17 Base = declarative_base()
19 # define objects for all tables
21 def nick_html_colors(self):
23 return "Anonymous Player"
25 return html_colors(self.nick)
27 def nick_strip_colors(self):
29 return "Anonymous Player"
31 return strip_colors(self.nick)
33 def joined_pretty_date(self):
34 return pretty_date(self.create_dt)
37 return "<Player(%s, %s)>" % (self.player_id, self.nick.encode('utf-8'))
40 return {'player_id':self.player_id, 'name':self.nick.encode('utf-8')}
43 class GameType(object):
45 return "<GameType(%s, %s, %s)>" % (self.game_type_cd, self.descr, self.active_ind)
48 return {'game_type_cd':self.game_type_cd, 'name':self.descr, 'active':self.active_ind}
53 return "<Weapon(%s, %s, %s)>" % (self.weapon_cd, self.descr, self.active_ind)
56 return {'weapon_cd':self.weapon_cd, 'name':self.descr, 'active':self.active_ind}
60 def __init__(self, name=None, hashkey=None, ip_addr=None):
62 self.hashkey = hashkey
63 self.ip_addr = ip_addr
66 return "<Server(%s, %s)>" % (self.server_id, self.name.encode('utf-8'))
69 return {'server_id':self.server_id, 'name':self.name.encode('utf-8')}
73 def __init__(self, name=None):
77 return "<Map(%s, %s, %s)>" % (self.map_id, self.name, self.version)
80 return {'map_id':self.map_id, 'name':self.name, 'version':self.version}
84 def __init__(self, game_id=None, start_dt=None, game_type_cd=None,
85 server_id=None, map_id=None, winner=None):
86 self.game_id = game_id
87 self.start_dt = start_dt
88 self.game_type_cd = game_type_cd
89 self.server_id = server_id
94 return "<Game(%s, %s, %s, %s)>" % (self.game_id, self.start_dt, self.game_type_cd, self.server_id)
97 return {'game_id':self.game_id, 'start':self.start_dt.strftime('%Y-%m-%dT%H:%M:%SZ'), 'game_type_cd':self.game_type_cd, 'server_id':self.server_id}
100 return pretty_date(self.start_dt)
102 def process_elos(self, session, game_type_cd=None):
103 if game_type_cd is None:
104 game_type_cd = self.game_type_cd
106 # we do not have the actual duration of the game, so use the
107 # maximum alivetime of the players instead
109 for d in session.query(sfunc.max(PlayerGameStat.alivetime)).\
110 filter(PlayerGameStat.game_id==self.game_id).\
118 for (p,s,a,r,t) in session.query(PlayerGameStat.player_id,
119 PlayerGameStat.score, PlayerGameStat.alivetime,
120 PlayerGameStat.rank, PlayerGameStat.team).\
121 filter(PlayerGameStat.game_id==self.game_id).\
122 filter(PlayerGameStat.alivetime > timedelta(seconds=0)).\
123 filter(PlayerGameStat.player_id > 2).\
125 # scores are per second
126 scores[p] = s/float(a.seconds)
127 alivetimes[p] = a.seconds
129 # winners are either rank 1 or on the winning team
130 # team games are where the team is set (duh)
131 if r == 1 or (t == self.winner and t is not None):
136 player_ids = scores.keys()
139 for e in session.query(PlayerElo).\
140 filter(PlayerElo.player_id.in_(player_ids)).\
141 filter(PlayerElo.game_type_cd==game_type_cd).all():
142 elos[e.player_id] = e
144 # ensure that all player_ids have an elo record
145 for pid in player_ids:
146 if pid not in elos.keys():
147 elos[pid] = PlayerElo(pid, game_type_cd)
149 for pid in player_ids:
150 elos[pid].k = KREDUCTION.eval(elos[pid].games, alivetimes[pid],
162 elos = self.update_elos(session, elos, scores, winners, losers, ELOPARMS)
164 # add the elos to the session for committing
168 def update_elos(self, session, elos, scores, winners, losers, ep):
169 if len(elos) < 2 or len(winners) == 0 or len(losers) == 0:
175 for w_pid in winners:
180 w_q = math.pow(10, float(w_elo.elo)/400.0)
181 l_q = math.pow(10, float(l_elo.elo)/400.0)
183 w_delta = w_elo.k * ELOPARMS.global_K * (1 - w_q/(w_q + l_q))
184 l_delta = l_elo.k * ELOPARMS.global_K * (0 - l_q/(l_q + w_q))
186 elo_deltas[w_pid] = (elo_deltas.get(w_pid, 0.0) + w_delta)
187 elo_deltas[l_pid] = (elo_deltas.get(l_pid, 0.0) + l_delta)
189 log.debug("Winner {0}'s elo_delta vs Loser {1}: {2}".format(w_pid,
192 log.debug("Loser {0}'s elo_delta vs Winner {1}: {2}".format(l_pid,
195 log.debug("w_elo: {0}, w_k: {1}, w_q: {2}, l_elo: {3}, l_k: {4}, l_q: {5}".\
196 format(w_elo.elo, w_elo.k, l_q, l_elo.elo, l_elo.k, l_q))
199 # average the elo gain for team games
201 elo_deltas[pid] = elo_deltas.get(pid, 0.0) / len(losers)
203 elo_deltas[pid] = elo_deltas.get(pid, 0.0) / len(winners)
205 old_elo = float(elos[pid].elo)
206 new_elo = max(float(elos[pid].elo) + elo_deltas[pid], ep.floor)
208 # in case we've set a different delta from the above
209 elo_deltas[pid] = new_elo - old_elo
211 elos[pid].elo = new_elo
213 log.debug("Setting Player {0}'s Elo delta to {1}. Elo is now {2} (was {3}).".\
214 format(pid, elo_deltas[pid], new_elo, old_elo))
216 self.save_elo_deltas(session, elo_deltas)
221 def save_elo_deltas(self, session, elo_deltas):
223 Saves the amount by which each player's Elo goes up or down
224 in a given game in the PlayerGameStat row, allowing for scoreboard display.
226 elo_deltas is a dictionary such that elo_deltas[player_id] is the elo_delta
230 for pgstat in session.query(PlayerGameStat).\
231 filter(PlayerGameStat.game_id == self.game_id).\
233 pgstats[pgstat.player_id] = pgstat
235 for pid in elo_deltas.keys():
237 pgstats[pid].elo_delta = elo_deltas[pid]
238 session.add(pgstats[pid])
240 log.debug("Unable to save Elo delta value for player_id {0}".format(pid))
245 class PlayerGameStat(object):
246 def __init__(self, player_game_stat_id=None, create_dt=None):
247 self.player_game_stat_id = player_game_stat_id
248 self.create_dt = create_dt
251 return "<PlayerGameStat(%s, %s, %s)>" % (self.player_id, self.game_id, self.create_dt)
254 return {'player_id':self.player_id, 'game_id':self.game_id, 'create_dt':self.create_dt.strftime('%Y-%m-%dT%H:%M:%SZ')}
256 def nick_stripped(self):
257 if self.nick is None:
258 return "Anonymous Player"
260 return strip_colors(self.nick)
262 def nick_html_colors(self):
263 if self.nick is None:
264 return "Anonymous Player"
266 return html_colors(self.nick)
268 def team_html_color(self):
281 class Achievement(object):
283 return "<Achievement(%s, %s, %s)>" % (self.achievement_cd, self.descr, self.limit)
286 return {'achievement_cd':self.achievement_cd, 'name':self.descr, 'limit':self.limit}
289 class PlayerAchievement(object):
291 return "<PlayerAchievement(%s, %s)>" % (self.player_id, self.achievement_cd)
294 return {'player_id':self.player_id, 'achievement_cd':self.achievement_cd}
297 class PlayerWeaponStat(object):
299 return "<PlayerWeaponStat(%s, %s, %s)>" % (self.player_weapon_stats_id, self.player_id, self.game_id)
302 return {'player_weapon_stats_id':self.player_weapon_stats_id, 'player_id':self.player_id, 'game_id':self.game_id}
305 class Hashkey(object):
306 def __init__(self, player_id=None, hashkey=None):
307 self.player_id = player_id
308 self.hashkey = hashkey
311 return "<Hashkey(%s, %s)>" % (self.player_id, self.hashkey)
314 return {'player_id':self.player_id, 'hashkey':self.hashkey}
317 class PlayerNick(object):
319 return "<PlayerNick(%s, %s)>" % (self.player_id, self.stripped_nick)
322 return {'player_id':self.player_id, 'name':self.stripped_nick}
325 class PlayerElo(object):
326 def __init__(self, player_id=None, game_type_cd=None):
328 self.player_id = player_id
329 self.game_type_cd = game_type_cd
332 self.elo = ELOPARMS.initial
335 return "<PlayerElo(pid=%s, gametype=%s, elo=%s)>" % (self.player_id, self.game_type_cd, self.elo)
338 return {'player_id':self.player_id, 'game_type_cd':self.game_type_cd, 'elo':self.elo}
341 class PlayerRank(object):
343 def nick_html_colors(self):
344 if self.nick is None:
345 return "Anonymous Player"
347 return html_colors(self.nick)
350 return "<PlayerRank(pid=%s, gametype=%s, rank=%s)>" % (self.player_id, self.game_type_cd, self.rank)
353 return {'player_id':self.player_id, 'game_type_cd':self.game_type_cd, 'rank':self.rank}
356 def initialize_db(engine=None):
357 DBSession.configure(bind=engine)
358 Base.metadata.bind = engine
359 Base.metadata.create_all(engine)
360 MetaData = sqlalchemy.MetaData(bind=engine, reflect=True)
362 # assign all those tables to an object
363 achievements_table = MetaData.tables['achievements']
364 cd_achievement_table = MetaData.tables['cd_achievement']
365 cd_game_type_table = MetaData.tables['cd_game_type']
366 cd_weapon_table = MetaData.tables['cd_weapon']
367 db_version_table = MetaData.tables['db_version']
368 games_table = MetaData.tables['games']
369 hashkeys_table = MetaData.tables['hashkeys']
370 maps_table = MetaData.tables['maps']
371 player_game_stats_table = MetaData.tables['player_game_stats']
372 players_table = MetaData.tables['players']
373 player_weapon_stats_table = MetaData.tables['player_weapon_stats']
374 servers_table = MetaData.tables['servers']
375 player_nicks_table = MetaData.tables['player_nicks']
376 player_elos_table = MetaData.tables['player_elos']
377 player_ranks_table = MetaData.tables['player_ranks']
379 # now map the tables and the objects together
380 mapper(PlayerAchievement, achievements_table)
381 mapper(Achievement, cd_achievement_table)
382 mapper(GameType, cd_game_type_table)
383 mapper(Weapon, cd_weapon_table)
384 mapper(Game, games_table)
385 mapper(Hashkey, hashkeys_table)
386 mapper(Map, maps_table)
387 mapper(PlayerGameStat, player_game_stats_table)
388 mapper(Player, players_table)
389 mapper(PlayerWeaponStat, player_weapon_stats_table)
390 mapper(Server, servers_table)
391 mapper(PlayerNick, player_nicks_table)
392 mapper(PlayerElo, player_elos_table)
393 mapper(PlayerRank, player_ranks_table)