sg101: antispam/models.py annotate

Refactored the processing of image uploads. I suspect I will use this general algorithm in other places (like POTD), so I made it reusable.

rev	line source
bgneal@214	1 """Models for the antispam application."""
bgneal@214	2 from django.db import models
bgneal@214	3 from django.core.cache import cache
bgneal@214	4
bgneal@214	5 from antispam import SPAM_PHRASE_KEY
bgneal@214	6
bgneal@214	7
bgneal@214	8 class SpamPhrase(models.Model):
bgneal@214	9 """A SpamPhrase is a string that is checked for in user input. User input
bgneal@214	10 containing a SpamPhrase should be blocked and flagged.
bgneal@214	11 """
bgneal@214	12 phrase = models.CharField(max_length=64)
bgneal@214	13
bgneal@214	14 class Meta:
bgneal@214	15 ordering = ('phrase', )
bgneal@214	16
bgneal@214	17 def __unicode__(self):
bgneal@214	18 return self.phrase
bgneal@214	19
bgneal@214	20 def save(self, args, *kwargs):
bgneal@214	21 cache.delete(SPAM_PHRASE_KEY)
bgneal@215	22 self.phrase = self.phrase.lower()
bgneal@214	23 super(SpamPhrase, self).save(args, *kwargs)

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