+
−from django.db import models
+
−from django.dispatch import dispatcher
+
−from django.contrib.contenttypes.models import ContentType
+
−from django.utils.encoding import force_unicode
+
−
+
−class CommentManager(models.Manager):
+
−
+
−    def in_moderation(self):
+
−        """
+
−        QuerySet for all comments currently in the moderation queue.
+
−        """
+
−        return self.get_query_set().filter(is_public=False, is_removed=False)
+
−
+
−    def for_model(self, model):
+
−        """
+
−        QuerySet for all comments for a particular model (either an instance or
+
−        a class).
+
−        """
+
−        ct = ContentType.objects.get_for_model(model)
+
−        qs = self.get_query_set().filter(content_type=ct)
+
−        if isinstance(model, models.Model):
+
−            qs = qs.filter(object_pk=force_unicode(model._get_pk_val()))
+
−        return qs