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Collecting orphaned feeds for users. These somehow got lost, and I'm not sure how. Eventually I'd like to run this on every user account.

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This commit is contained in:
Samuel Clay 2012-03-19 21:29:19 -07:00
parent 3a87a7c418
commit 46c294f298
1 changed files with 30 additions and 0 deletions
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30
apps/reader/models.py
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@ -360,7 +360,37 @@ class UserSubscription(models.Model):
switch_feed_for_classifier(MClassifierAuthor)
switch_feed_for_classifier(MClassifierFeed)
switch_feed_for_classifier(MClassifierTag)
@classmethod
def collect_orphan_feeds(cls, user):
us = cls.objects.filter(user=user)
usf = UserSubscriptionFolders.objects.get(user=user)
us_feed_ids = set([sub.feed_id for sub in us])
folders = json.decode(usf.folders)
def collect_ids(folders, found_ids):
for item in folders:
# print ' --> %s' % item
if isinstance(item, int):
# print ' --> Adding feed: %s' % item
found_ids.add(item)
elif isinstance(item, dict):
# print ' --> Descending folder dict: %s' % item.values()
found_ids.update(collect_ids(item.values(), found_ids))
elif isinstance(item, list):
# print ' --> Descending folder list: %s' % len(item)
found_ids.update(collect_ids(item, found_ids))
# print ' --> Returning: %s' % found_ids
return found_ids
found_ids = collect_ids(folders, set())
logging.info(" ---> Collecting orphans. %s feeds with %s orphans" % (len(us_feed_ids), len(us_feed_ids) - len(found_ids)))
orphan_ids = us_feed_ids - found_ids
folders.extend(list(orphan_ids))
usf.folders = json.encode(folders)
usf.save()
class Meta:
unique_together = ("user", "feed")