class Comment(models.Model):
	parent = models.ForeignKey('self', verbose_name=u'ответ на', blank=True, null=True, related_name='child_set')
	product = models.ForeignKey(Product, verbose_name=u'продукт', blank=False, null=False)
	author = models.CharField(u'автор', max_length=30)
	email = models.EmailField(u'e-mail')
	text = models.TextField(u'текст комментария')
	added = models.DateTimeField(auto_now_add=True)
	level = models.PositiveIntegerField()
	class Meta:
		verbose_name = u'комментарий'
		verbose_name_plural = u'комментарии'
	
	def __unicode__(self):
		return self.text[:15] + u'...'

class CommentAdmin(admin.ModelAdmin):
	list_display = ('product','author', 'text',)
	fieldsets = (
		( u'Продукт',
			{ 'fields': ('product',) }
		),
		( u'Об авторе',
			{ 'fields' : ('author', 'email',) }
		),
		( u'Текст',
			{ 'fields': ('parent', 'text',) }
		),
	)