sg101: user_photos/models.py annotate

POTD converted to V3 design.

rev	line source
bgneal@695	1 """Models for the user_photos application."""
bgneal@695	2
bgneal@695	3 import datetime
bgneal@695	4
bgneal@695	5 from django.db import models
bgneal@695	6 from django.conf import settings
bgneal@696	7 from django.core.urlresolvers import reverse
bgneal@695	8
bgneal@695	9
bgneal@695	10 class Photo(models.Model):
bgneal@695	11 """This model represents data about a user uploaded photo."""
bgneal@695	12 user = models.ForeignKey(settings.AUTH_USER_MODEL,
bgneal@695	13 related_name='uploaded_photos')
bgneal@695	14 upload_date = models.DateTimeField()
bgneal@695	15 url = models.URLField(max_length=200)
bgneal@695	16 thumb_url = models.URLField(max_length=200, blank=True)
bgneal@749	17 signature = models.CharField(max_length=32, blank=True, db_index=True)
bgneal@695	18
bgneal@695	19 def __unicode__(self):
bgneal@695	20 return u'Photo by {} on {}'.format(self.user.username,
bgneal@695	21 self.upload_date.strftime('%Y-%m-%d %H:%M:%S'))
bgneal@695	22
bgneal@695	23 def get_absolute_url(self):
bgneal@696	24 return reverse('user_photos-detail', kwargs={'pk': self.pk})
bgneal@695	25
bgneal@695	26 def save(self, args, *kwargs):
bgneal@695	27 if not self.pk and not self.upload_date:
bgneal@695	28 self.upload_date = datetime.datetime.now()
bgneal@695	29 super(Photo, self).save(args, *kwargs)
bgneal@695	30

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