managers.py
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from django.db import models
from haystack.query import SearchQuerySet
class NotSpamManager(models.Manager):
"""Only return objects which are not marked as spam."""
def get_query_set(self):
return super(NotSpamManager, self).get_query_set().exclude(spam=True)
class HighestScore(NotSpamManager):
def get_query_set(self):
queryset = super(HighestScore, self).get_query_set()
return queryset.order_by('-score', '-latest_message__received_time')
def from_haystack(self):
return SearchQuerySet().filter(type='thread')
class MostVotedManager(NotSpamManager):
def get_query_set(self):
"""Query for the most voted messages sorting by the sum of
voted and after by date."""
queryset = super(MostVotedManager, self).get_query_set()
sql = """
SELECT
count(sav.id)
FROM
super_archives_vote AS sav
WHERE
super_archives_message.id = sav.message_id
"""
messages = queryset.extra(
select={
'vote_count': sql,
}
)
return messages.order_by('-vote_count', 'received_time')