root/plesonet_wishlist/trunk/models.py

# -*- coding: utf-8 -*-
from django.db import models
from django.contrib.auth.models import User

class Feedback(models.Model):
    user = models.ForeignKey(User)
    pub_date = models.DateTimeField(auto_now_add=True)
    body = models.TextField()
    votes = models.IntegerField(default=0)
    
    class Admin:
        list_display = ('pub_date', 'user', 'votes', 'body')
        list_filter = ('pub_date', 'user',)
        search_fields = ['body']
        date_hierarchy = 'pub_date'
        
    class Meta:
        ordering = ('-pub_date',)
        get_latest_by = 'pub_date'
        verbose_name = 'Feedback'

class FeedbackVote(models.Model):
    user = models.ForeignKey(User)
    feedback = models.ForeignKey(Feedback)
    
    def save(self):
        super(FeedbackVote, self).save()
        self.feedback.votes = self.feedback.feedbackvote_set.all().count()
        self.feedback.save()
    
    class Meta:
        unique_together = ("user", "feedback")