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annotate gpp/smiley/models.py @ 124:9c18250972d5

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Refactored the markdown/smiley logic. Created classes for Markdown and Smilify. No longer call render_to_string() in models.py for various models.
author Brian Neal <bgneal@gmail.com>
date Sat, 14 Nov 2009 04:32:32 +0000
parents 3ae999b0c53b
children 48621ba5c385
rev   line source
gremmie@1 1 """
gremmie@1 2 Models for the smiley application.
gremmie@1 3 """
gremmie@1 4 from django.db import models
bgneal@123 5 from django.core.cache import cache
bgneal@123 6
bgneal@123 7 CACHE_TIMEOUT = 60 * 5 # seconds
gremmie@1 8
gremmie@1 9
gremmie@1 10 class SmileyManager(models.Manager):
gremmie@1 11
gremmie@1 12 def get_smiley_map(self):
bgneal@123 13 map = cache.get('smiley_map')
bgneal@123 14 if map:
bgneal@123 15 return map
gremmie@1 16
bgneal@123 17 map = dict((s.code, s.html()) for s in self.all())
bgneal@123 18 cache.set('smiley_map', map, CACHE_TIMEOUT)
bgneal@123 19 return map
gremmie@1 20
bgneal@123 21 def get_smilies(self, extra=False):
bgneal@123 22 key = 'smileys' if not extra else 'smileys_extra'
bgneal@123 23 smilies = cache.get(key)
bgneal@123 24 if smilies:
bgneal@123 25 return smilies
bgneal@123 26
bgneal@123 27 smilies = self.filter(is_extra=extra)
bgneal@123 28 cache.set(key, smilies, CACHE_TIMEOUT)
bgneal@123 29 return smilies
gremmie@1 30
gremmie@1 31
gremmie@1 32 class Smiley(models.Model):
gremmie@1 33 image = models.ImageField(upload_to='smiley/images/')
gremmie@1 34 title = models.CharField(max_length=32)
gremmie@1 35 code = models.CharField(max_length=32)
bgneal@123 36 is_extra = models.BooleanField()
gremmie@1 37
gremmie@1 38 objects = SmileyManager()
gremmie@1 39
gremmie@1 40 class Meta:
gremmie@1 41 verbose_name_plural = 'Smilies'
gremmie@1 42 ordering = ('title', )
gremmie@1 43
gremmie@1 44 def __unicode__(self):
gremmie@1 45 return self.title
gremmie@1 46
gremmie@1 47 def get_absolute_url(self):
gremmie@1 48 return self.image.url
gremmie@1 49
gremmie@1 50 def html(self):
gremmie@1 51 if self.image:
bgneal@123 52 return (u'<img src="%s" alt="%s" title="%s" />' %
bgneal@123 53 (self.get_absolute_url(), self.title, self.title))
gremmie@1 54 return u''
gremmie@1 55 html.allow_tags = True
gremmie@1 56