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from django.db import models
class Team(models.Model):
class Meta:
db_table = 'teams'
name = models.CharField(db_column='fullname', max_length=50)
class Player(models.Model):
class Meta:
db_table = 'players'
first_name = models.CharField(db_column='gname', max_length=30)
last_name = models.CharField(db_column='sname', max_length=30)
team = models.ForeignKey(Team, on_delete=models.PROTECT, related_name='players', db_column='team')
@property
def info(self):
return '%s %s' % (self.first_name, self.last_name)
def __str__(self):
return '%s %s (%s)' % (self.first_name, self.last_name, self.team.name)
class Segment(models.Model):
''' This class has no single primary key, so not all standard ORM API will work. '''
class Meta:
db_table = 'segments'
round = models.IntegerField(db_column='rnd', primary_key=True)
segment = models.IntegerField(db_column='segment', primary_key=True)
table = models.IntegerField(db_column='tabl', primary_key=True)
home_team = models.ForeignKey(Team, on_delete=models.PROTECT, related_name='+', db_column='homet')
away_team = models.ForeignKey(Team, on_delete=models.PROTECT, related_name='+', db_column='visit')
openN = models.ForeignKey(Player, on_delete=models.PROTECT, related_name='+', db_column='openN')
openS = models.ForeignKey(Player, on_delete=models.PROTECT, related_name='+', db_column='openS')
openE = models.ForeignKey(Player, on_delete=models.PROTECT, related_name='+', db_column='openE')
openW = models.ForeignKey(Player, on_delete=models.PROTECT, related_name='+', db_column='openW')
closeN = models.ForeignKey(Player, on_delete=models.PROTECT, related_name='+', db_column='closeN')
closeS = models.ForeignKey(Player, on_delete=models.PROTECT, related_name='+', db_column='closeS')
closeE = models.ForeignKey(Player, on_delete=models.PROTECT, related_name='+', db_column='closeE')
closeW = models.ForeignKey(Player, on_delete=models.PROTECT, related_name='+', db_column='closeW')
def update(self, **kwargs):
affected = Segment.objects.filter(round=self.round, segment=self.segment, table=self.table).update(**kwargs)
assert affected == 1
for field, value in kwargs.items():
setattr(self, field, value)
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