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from datetime import datetime
from django.db import models
from django.contrib.contenttypes.models import ContentType
from django.contrib.contenttypes import generic
from django.contrib.auth.models import User
try:
from django.utils.timezone import now
except ImportError:
now = datetime.now
from managers import VoteManager, SimilarUserManager
class Vote(models.Model):
content_type = models.ForeignKey(ContentType, related_name="votes")
object_id = models.PositiveIntegerField()
key = models.CharField(max_length=32)
score = models.IntegerField()
user = models.ForeignKey(User, blank=True, null=True, related_name="votes")
ip_address = models.IPAddressField()
cookie = models.CharField(max_length=32, blank=True, null=True)
date_added = models.DateTimeField(default=now, editable=False)
date_changed = models.DateTimeField(default=now, editable=False)
objects = VoteManager()
content_object = generic.GenericForeignKey()
class Meta:
unique_together = (('content_type', 'object_id', 'key', 'user', 'ip_address', 'cookie'))
def __unicode__(self):
return u"%s voted %s on %s" % (self.user_display, self.score, self.content_object)
def save(self, *args, **kwargs):
self.date_changed = now()
super(Vote, self).save(*args, **kwargs)
def user_display(self):
if self.user:
return "%s (%s)" % (self.user.username, self.ip_address)
return self.ip_address
user_display = property(user_display)
def partial_ip_address(self):
ip = self.ip_address.split('.')
ip[-1] = 'xxx'
return '.'.join(ip)
partial_ip_address = property(partial_ip_address)
class Score(models.Model):
content_type = models.ForeignKey(ContentType)
object_id = models.PositiveIntegerField()
key = models.CharField(max_length=32)
score = models.IntegerField()
votes = models.PositiveIntegerField()
content_object = generic.GenericForeignKey()
class Meta:
unique_together = (('content_type', 'object_id', 'key'),)
def __unicode__(self):
return u"%s scored %s with %s votes" % (self.content_object, self.score, self.votes)
class SimilarUser(models.Model):
from_user = models.ForeignKey(User, related_name="similar_users")
to_user = models.ForeignKey(User, related_name="similar_users_from")
agrees = models.PositiveIntegerField(default=0)
disagrees = models.PositiveIntegerField(default=0)
exclude = models.BooleanField(default=False)
objects = SimilarUserManager()
class Meta:
unique_together = (('from_user', 'to_user'),)
def __unicode__(self):
print u"%s %s similar to %s" % (self.from_user, self.exclude and 'is not' or 'is', self.to_user)
class IgnoredObject(models.Model):
user = models.ForeignKey(User)
content_type = models.ForeignKey(ContentType)
object_id = models.PositiveIntegerField()
content_object = generic.GenericForeignKey()
class Meta:
unique_together = (('content_type', 'object_id'),)
def __unicode__(self):
return self.content_object
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