Anpassungen für das Hosting bei Djangoeurope und damit verbundenen Versionen Django 1.8 und Python 2.7
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Christian Berg
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Christian Berg
Christian Berg
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221
src/maistar_ranking/models.py
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221
src/maistar_ranking/models.py
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# -*- encoding: utf-8 -*-
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import logging
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from django.core.urlresolvers import reverse
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from django.db import models
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from django.utils.translation import ugettext as _
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from events.models import Event
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from membership.models import Membership
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from . import settings, managers
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class Game(models.Model):
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"""
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Ein kompettes Spiel Mai-Star bestehend aus 6 Spielern
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"""
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event = models.ForeignKey(Event, related_name='maistargame_set')
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comment = models.TextField(_('Comment'), blank=True)
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player1 = models.ForeignKey(
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settings.AUTH_USER_MODEL, verbose_name=_("Player 1"), related_name='+'
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)
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player1_score = models.SmallIntegerField(_("Score"))
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player1_placement = models.PositiveSmallIntegerField(editable=False)
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player2 = models.ForeignKey(
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settings.AUTH_USER_MODEL, verbose_name=_("Player 2"), related_name='+'
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)
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player2_score = models.SmallIntegerField(_("Score"))
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player2_placement = models.PositiveSmallIntegerField(editable=False)
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player3 = models.ForeignKey(
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settings.AUTH_USER_MODEL, verbose_name=_("Player 3"), related_name='+'
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)
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player3_score = models.SmallIntegerField(_("Score"))
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player3_placement = models.PositiveSmallIntegerField(editable=False)
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player4 = models.ForeignKey(
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settings.AUTH_USER_MODEL, verbose_name=_("Player 4"), related_name='+'
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)
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player4_score = models.SmallIntegerField(_("Score"))
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player4_placement = models.PositiveSmallIntegerField(editable=False)
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player5 = models.ForeignKey(
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settings.AUTH_USER_MODEL, verbose_name=_("Player 5"), related_name='+'
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)
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player5_score = models.SmallIntegerField(_("Score"))
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player5_placement = models.PositiveSmallIntegerField(editable=False)
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player6 = models.ForeignKey(
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settings.AUTH_USER_MODEL, verbose_name=_("Player 6"), related_name='+'
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)
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player6_score = models.SmallIntegerField(_("Score"))
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player6_placement = models.PositiveSmallIntegerField(editable=False)
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confirmed = models.BooleanField(
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_('Has been confirmed'),
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default=True,
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help_text=_('the game only counts whe it has been confirmed')
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)
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player_names = models.CharField(max_length=255, editable=False)
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season = models.PositiveSmallIntegerField(_('Season'), editable=False,
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db_index=True)
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objects = managers.GameManager()
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def __str__(self):
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return _("Mai-Star Game with {0} from {1:%Y-%m-%d}").format(
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self.player_names, self.event.start
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)
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def get_absolute_url(self):
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"""
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URL zur Hanchanliste des Events wo diese Hanchan gelistet wurde.
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"""
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url = reverse('maistar-game-list',
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kwargs={'event': self.event.pk})
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return u'%(url)s#%(pk)d' % {'url': url, 'pk': self.pk}
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@property
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def player_list(self):
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try:
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return self._player_list
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except AttributeError:
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self._player_list = list()
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for nr in range(1, 7):
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self._player_list.append({
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'user': getattr(self, 'player%d' % nr),
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'membership': Membership.objects.get(
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user=getattr(self, 'player%d' % nr)
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),
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'score': getattr(self, 'player%d_score' % nr),
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'placement': getattr(self, 'player%d_placement' % nr),
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})
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return self._player_list
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def save(self, force_insert=False, force_update=False, using=None,
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update_fields=None):
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u"""
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Bestimmt die Platzierung eines jeden Spielers noch vor dem speichern.
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Außerdem wird eine Kommasperierte Liste der Spiele mitgespeichert.
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"""
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logging.debug("Berechne die Platzierungen neu...")
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game_date = self.event.start.date()
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player_tuples = [
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(self.player1.id, self.player1.username, self.player1_score),
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(self.player2.id, self.player2.username, self.player2_score),
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(self.player3.id, self.player3.username, self.player3_score),
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(self.player4.id, self.player4.username, self.player4_score),
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(self.player5.id, self.player5.username, self.player5_score),
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(self.player6.id, self.player6.username, self.player6_score),
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]
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season_start = settings.MAISTAR_SEASON_START.replace(
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year=game_date.year)
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# sort player by Score:
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player_tuples = sorted(player_tuples, key=lambda player: player[2],
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reverse=True)
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logging.debug(player_tuples)
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other_player_ranking = 1
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other_player_score = 0
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player_names = []
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ranking = 1
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player_nr = 1
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for player_id, player_name, player_score in player_tuples:
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if player_score == other_player_score:
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player_ranking = other_player_ranking
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else:
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player_ranking = ranking
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setattr(self, "player%d_id" % player_nr, player_id)
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setattr(self, "player%d_score" % player_nr, player_score)
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setattr(self, "player%d_placement" % player_nr, player_ranking)
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other_player_ranking = player_ranking
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other_player_score = player_score
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player_names.append(player_name)
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player_nr += 1
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ranking += 1
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self.player_names = ', '.join(player_names)
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if game_date >= season_start:
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self.season = season_start.year
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else:
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self.season = season_start.year - 1
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super(Game, self).save(force_insert=force_insert,
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force_update=force_update, using=using,
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update_fields=update_fields)
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class Ranking(models.Model):
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user = models.ForeignKey(settings.AUTH_USER_MODEL)
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season = models.PositiveSmallIntegerField(_("Season"))
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placement = models.PositiveIntegerField(blank=True, null=True)
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avg_placement = models.PositiveSmallIntegerField(blank=True, null=True)
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avg_score = models.SmallIntegerField(blank=True, null=True)
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games_count = models.PositiveSmallIntegerField(default=0)
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games_good = models.PositiveSmallIntegerField(default=0)
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games_won = models.PositiveSmallIntegerField(default=0)
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objects = managers.LadderManager()
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class Meta(object):
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ordering = ('-season', 'placement', 'avg_placement', '-avg_score',)
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def __str__(self):
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return "Mai-Star Ranking: %s, Season: %d" % (self.user, self.season)
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def get_absolute_url(self):
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return reverse('maistar-player-games', kwargs={
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'username': self.user.username,
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'season': self.season
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})
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def recalculate(self):
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logging.info(
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u'Recalculate Mai-Star Ranking for Player %s in Season %s',
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self.user, self.season
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)
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self.placement = None
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self.avg_placement = None
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self.avg_score = None
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self.games_count = 0
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self.games_good = 0
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self.games_won = 0
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player_score = 0
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player_placement = 0
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for game in Game.objects.player_games(self.user, self.season):
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placement = 0
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score = 0
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for player in ('player1', 'player2', 'player3', 'player4',
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'player5', 'player6'):
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if getattr(game, player) == self.user:
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placement = getattr(game, "%s_placement" % player)
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score = getattr(game, "%s_score" % player)
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player_placement += placement
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player_score += score
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self.games_count += 1
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self.games_good += 1 if placement <= 3 else 0
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self.games_won += 1 if placement == 1 else 0
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if self.games_count > 0:
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self.avg_placement = round(player_placement / self.games_count)
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self.avg_score = round(player_score / self.games_count)
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self.save()
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def update_maistar_ranking(sender, instance, **kwargs):
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for player in instance.player_list:
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ranking, created = Ranking.objects.get_or_create(
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user=player['user'],
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season=instance.season
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)
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if created:
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logging.debug('Created ranking for %s in Season %d',
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player['user'].username, instance.season)
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else:
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logging.debug('Updating ranking for %s in Season %d',
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player['user'].username, instance.season)
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ranking.recalculate()
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Ranking.objects.calculate_rankings(instance.season)
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models.signals.post_delete.connect(update_maistar_ranking, sender=Game)
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models.signals.post_save.connect(update_maistar_ranking, sender=Game)
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