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A bit risky but this commit fixes read status issues with stories found in both blurblogs and feeds. Adds a new redis set of read stories, specific to users and blurblog subscriptions, that won't get cleared out when the story is removed from mongo.

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Samuel Clay 2013-07-05 13:27:34 -07:00
parent 9ac6c399cf
commit 5af6e3835a
2 changed files with 53 additions and 36 deletions
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62
apps/reader/models.py
View file

@ -653,7 +653,7 @@ class UserSubscription(models.Model):
class RUserStory:
@classmethod
def mark_read(cls, user_id, story_feed_id, story_hash, r=None, r2=None):
def mark_read(cls, user_id, story_feed_id, story_hash, social_user_ids=None, r=None, r2=None):
if not r:
r = redis.Redis(connection_pool=settings.REDIS_STORY_HASH_POOL)
if not r2:
@ -663,34 +663,43 @@ class RUserStory:
if not story_hash: return
now = int(time.time())
def redis_commands(key):
r.sadd(key, story_hash)
r2.sadd(key, story_hash)
r.expire(key, settings.DAYS_OF_UNREAD*24*60*60)
r2.expire(key, settings.DAYS_OF_UNREAD*24*60*60)
all_read_stories_key = 'RS:%s' % (user_id)
r.sadd(all_read_stories_key, story_hash)
r2.sadd(all_read_stories_key, story_hash)
r2.zadd('z' + all_read_stories_key, story_hash, now)
r.expire(all_read_stories_key, settings.DAYS_OF_UNREAD*24*60*60)
r2.expire(all_read_stories_key, settings.DAYS_OF_UNREAD*24*60*60)
r2.expire('z' + all_read_stories_key, settings.DAYS_OF_UNREAD*24*60*60)
redis_commands(all_read_stories_key)
read_story_key = 'RS:%s:%s' % (user_id, story_feed_id)
r.sadd(read_story_key, story_hash)
r2.sadd(read_story_key, story_hash)
r2.zadd('z' + read_story_key, story_hash, now)
r.expire(read_story_key, settings.DAYS_OF_UNREAD*24*60*60)
r2.expire(read_story_key, settings.DAYS_OF_UNREAD*24*60*60)
r2.expire('z' + read_story_key, settings.DAYS_OF_UNREAD*24*60*60)
redis_commands(read_story_key)
if social_user_ids:
for social_user_id in social_user_ids:
social_read_story_key = 'RS:%s:B:%s' % (user_id, social_user_id)
redis_commands(social_read_story_key)
@staticmethod
def mark_unread(user_id, story_feed_id, story_hash):
r = redis.Redis(connection_pool=settings.REDIS_STORY_HASH_POOL)
r2 = redis.Redis(connection_pool=settings.REDIS_STORY_HASH_POOL2)
r.srem('RS:%s' % user_id, story_hash)
r2.srem('RS:%s' % user_id, story_hash)
r2.zrem('zRS:%s' % user_id, story_hash)
r.srem('RS:%s:%s' % (user_id, story_feed_id), story_hash)
r2.srem('RS:%s:%s' % (user_id, story_feed_id), story_hash)
r2.zrem('zRS:%s:%s' % (user_id, story_feed_id), story_hash)
def mark_unread(user_id, story_feed_id, story_hash, social_user_ids=None):
r = redis.Redis(connection_pool=settings.REDIS_POOL)
h = redis.Redis(connection_pool=settings.REDIS_STORY_HASH_POOL)
h2 = redis.Redis(connection_pool=settings.REDIS_STORY_HASH_POOL2)
h.srem('RS:%s' % user_id, story_hash)
h2.srem('RS:%s' % user_id, story_hash)
h.srem('RS:%s:%s' % (user_id, story_feed_id), story_hash)
h2.srem('RS:%s:%s' % (user_id, story_feed_id), story_hash)
# Find other social feeds with this story to update their counts
friend_key = "F:%s:F" % (user_id)
share_key = "S:%s" % (story_hash)
friends_with_shares = [int(f) for f in r.sinter(share_key, friend_key)]
if friends_with_shares:
for social_user_id in friends_with_shares:
h.srem('RS:%s:B:%s' % (user_id, social_user_id), story_hash)
h2.srem('RS:%s:B:%s' % (user_id, social_user_id), story_hash)
@staticmethod
def get_stories(user_id, feed_id, r=None):
@ -706,7 +715,6 @@ class RUserStory:
p = r.pipeline()
p2 = r2.pipeline()
story_hashes = cls.get_stories(user_id, old_feed_id, r=r)
now = int(time.time())
for story_hash in story_hashes:
_, hash_story = MStory.split_story_hash(story_hash)
@ -714,18 +722,14 @@ class RUserStory:
read_feed_key = "RS:%s:%s" % (user_id, new_feed_id)
p.sadd(read_feed_key, new_story_hash)
p2.sadd(read_feed_key, new_story_hash)
p2.zadd('z' + read_feed_key, new_story_hash, now)
p.expire(read_feed_key, settings.DAYS_OF_UNREAD*24*60*60)
p2.expire(read_feed_key, settings.DAYS_OF_UNREAD*24*60*60)
p2.expire('z' + read_feed_key, settings.DAYS_OF_UNREAD*24*60*60)
read_user_key = "RS:%s" % (user_id)
p.sadd(read_user_key, new_story_hash)
p2.sadd(read_user_key, new_story_hash)
p2.zadd('z' + read_user_key, new_story_hash, now)
p.expire(read_user_key, settings.DAYS_OF_UNREAD*24*60*60)
p2.expire(read_user_key, settings.DAYS_OF_UNREAD*24*60*60)
p2.expire('z' + read_user_key, settings.DAYS_OF_UNREAD*24*60*60)
p.execute()
p2.execute()

27
apps/social/models.py
View file

@ -857,9 +857,10 @@ class MSocialSubscription(mongo.Document):
r = redis.Redis(connection_pool=settings.REDIS_STORY_HASH_POOL)
ignore_user_stories = False
stories_key = 'B:%s' % (self.subscription_user_id)
read_stories_key = 'RS:%s' % (self.user_id)
unread_stories_key = 'UB:%s:%s' % (self.user_id, self.subscription_user_id)
stories_key = 'B:%s' % (self.subscription_user_id)
read_stories_key = 'RS:%s' % (self.user_id)
read_social_stories_key = 'RS:%s:B:%s' % (self.user_id, self.subscription_user_id)
unread_stories_key = 'UB:%s:%s' % (self.user_id, self.subscription_user_id)
if not r.exists(stories_key):
return []
@ -868,6 +869,7 @@ class MSocialSubscription(mongo.Document):
unread_stories_key = stories_key
else:
r.sdiffstore(unread_stories_key, stories_key, read_stories_key)
r.sdiffstore(unread_stories_key, unread_stories_key, read_social_stories_key)
sorted_stories_key = 'zB:%s' % (self.subscription_user_id)
unread_ranked_stories_key = 'z%sUB:%s:%s' % ('h' if hashes_only else '',
@ -970,14 +972,18 @@ class MSocialSubscription(mongo.Document):
logging.user(request, "~FYRead story in social subscription: %s" % (sub_username))
for story_hash in set(story_hashes):
if feed_id:
story_hash = MStory.ensure_story_hash(story_hash, story_feed_id=feed_id)
if not feed_id:
feed_id, _ = MStory.split_story_hash(story_hash)
RUserStory.mark_read(self.user_id, feed_id, story_hash)
# Find other social feeds with this story to update their counts
friend_key = "F:%s:F" % (self.user_id)
share_key = "S:%s" % (story_hash)
friends_with_shares = [int(f) for f in r.sinter(share_key, friend_key)]
RUserStory.mark_read(self.user_id, feed_id, story_hash, social_user_ids=friends_with_shares)
if self.user_id in friends_with_shares:
friends_with_shares.remove(self.user_id)
if friends_with_shares:
@ -1003,7 +1009,8 @@ class MSocialSubscription(mongo.Document):
def mark_unsub_story_ids_as_read(cls, user_id, social_user_id, story_ids, feed_id=None,
request=None):
data = dict(code=0, payload=story_ids)
r = redis.Redis(connection_pool=settings.REDIS_POOL)
if not request:
request = User.objects.get(pk=user_id)
@ -1019,7 +1026,13 @@ class MSocialSubscription(mongo.Document):
except MSharedStory.DoesNotExist:
continue
RUserStory.mark_read(user_id, story.story_feed_id, story.story_hash)
# Find other social feeds with this story to update their counts
friend_key = "F:%s:F" % (user_id)
share_key = "S:%s" % (story.story_hash)
friends_with_shares = [int(f) for f in r.sinter(share_key, friend_key)]
RUserStory.mark_read(user_id, story.story_feed_id, story.story_hash,
social_user_ids=friends_with_shares)
# Also count on original subscription
usersubs = UserSubscription.objects.filter(user=user_id, feed=story.story_feed_id)