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