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Only trimming active users.

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This commit is contained in:
Samuel Clay 2013-10-07 14:47:36 -07:00
parent c3e4f592ec
commit 87eca2951b
1 changed files with 4 additions and 1 deletions
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5
apps/reader/models.py
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@ -422,11 +422,15 @@ class UserSubscription(models.Model):
def trim_user_read_stories(self, user_id):
r = redis.Redis(connection_pool=settings.REDIS_STORY_HASH_POOL)
subs = UserSubscription.objects.filter(user_id=user_id).only('feed')
if not subs: return
feeds = [f.feed_id for f in subs]
old_rs = r.smembers("RS:%s" % user_id)
old_count = len(old_rs)
# new_rs = r.sunionstore("RS:%s" % user_id, *["RS:%s:%s" % (user_id, f) for f in feeds])
new_rs = r.sunion(*["RS:%s:%s" % (user_id, f) for f in feeds])
if not old_count: return
r.sunionstore("RS:%s:backup" % user_id, "RS:%s" % user_id)
r.expire("RS:%s:backup" % user_id, 60*60*24)
@ -442,7 +446,6 @@ class UserSubscription(models.Model):
missing_rs.append(rs)
# r.sadd("RS:%s" % user_id, *missing_rs)
old_count = len(old_rs)
new_count = len(new_rs)
missing_count = len(missing_rs)
new_total = new_count + missing_count