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Fix un-reblogged status being at wrong position in the home timeline (#5418)

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We've changed un-reblogging behavior when we implement Snowflake, to insert un-reblogged status at the position reblogging status existed.

However, our API expects home timeline is ordered by status ids, and max_id/since_id filters by zset score. Due to this, un-reblogged status appears as a last item of result set, and timeline expansion may skips many statuses.

So this reverts that change...reblogged status inserted at corresponding position to its id.
This commit is contained in:
unarist 2017-10-16 22:58:23 +09:00 • committed by Eugen Rochko
parent 03975dbde4
commit 6f490b4bfe
2 changed files with 11 additions and 7 deletions
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9
app/lib/feed_manager.rb
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@ -198,10 +198,11 @@ class FeedManager
# 2. Remove the reblogged status from the `:reblogs` zset.
redis.zrem(reblog_key, status.reblog_of_id)
# 3. Add the reblogged status to the feed using the reblogging
# status' ID as its score, and the reblogged status' ID as its
# value.
redis.zadd(timeline_key, status.id, status.reblog_of_id)
# 3. Add the reblogged status to the feed.
# Note that we can't use old score in here
# and it must be an ID of corresponding status
# because we need to filter timeline by status ID.
redis.zadd(timeline_key, status.reblog_of_id, status.reblog_of_id)
# 4. Remove the reblogging status from the feed (as normal)
end