From c83c87fbe2c9586b90c677e24c81d690cade2a02 Mon Sep 17 00:00:00 2001 From: ThibG Date: Tue, 30 Jul 2019 13:18:23 +0200 Subject: [PATCH] Fix boosting & unboosting preventing a boost from appearing in the TL (#11405) * Fix boosting & unboosting preventing a boost from appearing in the TL * Add tests * Avoids side effects when aggregate_reblogs isn't true --- app/lib/feed_manager.rb | 14 +++++++++----- spec/lib/feed_manager_spec.rb | 17 +++++++++++++++++ 2 files changed, 26 insertions(+), 5 deletions(-) diff --git a/app/lib/feed_manager.rb b/app/lib/feed_manager.rb index d77cdb3a3..22ac62ff3 100644 --- a/app/lib/feed_manager.rb +++ b/app/lib/feed_manager.rb @@ -35,7 +35,7 @@ class FeedManager end def unpush_from_home(account, status) - return false unless remove_from_feed(:home, account.id, status) + return false unless remove_from_feed(:home, account.id, status, account.user&.aggregates_reblogs?) redis.publish("timeline:#{account.id}", Oj.dump(event: :delete, payload: status.id.to_s)) true end @@ -53,7 +53,7 @@ class FeedManager end def unpush_from_list(list, status) - return false unless remove_from_feed(:list, list.id, status) + return false unless remove_from_feed(:list, list.id, status, list.account.user&.aggregates_reblogs?) redis.publish("timeline:list:#{list.id}", Oj.dump(event: :delete, payload: status.id.to_s)) true end @@ -105,7 +105,7 @@ class FeedManager oldest_home_score = redis.zrange(timeline_key, 0, 0, with_scores: true)&.first&.last&.to_i || 0 from_account.statuses.select('id, reblog_of_id').where('id > ?', oldest_home_score).reorder(nil).find_each do |status| - remove_from_feed(:home, into_account.id, status) + remove_from_feed(:home, into_account.id, status, into_account.user&.aggregates_reblogs?) end end @@ -274,10 +274,11 @@ class FeedManager # with reblogs, and returning true if a status was removed. As with # `add_to_feed`, this does not trigger push updates, so callers must # do so if appropriate. - def remove_from_feed(timeline_type, account_id, status) + def remove_from_feed(timeline_type, account_id, status, aggregate_reblogs = true) timeline_key = key(timeline_type, account_id) + reblog_key = key(timeline_type, account_id, 'reblogs') - if status.reblog? + if status.reblog? && (aggregate_reblogs.nil? || aggregate_reblogs) # 1. If the reblogging status is not in the feed, stop. status_rank = redis.zrevrank(timeline_key, status.id) return false if status_rank.nil? @@ -286,6 +287,7 @@ class FeedManager reblog_set_key = key(timeline_type, account_id, "reblogs:#{status.reblog_of_id}") redis.srem(reblog_set_key, status.id) + redis.zrem(reblog_key, status.reblog_of_id) # 3. Re-insert another reblog or original into the feed if one # remains in the set. We could pick a random element, but this # set should generally be small, and it seems ideal to show the @@ -293,12 +295,14 @@ class FeedManager other_reblog = redis.smembers(reblog_set_key).map(&:to_i).min redis.zadd(timeline_key, other_reblog, other_reblog) if other_reblog + redis.zadd(reblog_key, other_reblog, status.reblog_of_id) if other_reblog # 4. Remove the reblogging status from the feed (as normal) # (outside conditional) else # If the original is getting deleted, no use for reblog references redis.del(key(timeline_type, account_id, "reblogs:#{status.id}")) + redis.srem(reblog_key, status.id) end redis.zrem(timeline_key, status.id) diff --git a/spec/lib/feed_manager_spec.rb b/spec/lib/feed_manager_spec.rb index 5f8eb86a8..4ef94056a 100644 --- a/spec/lib/feed_manager_spec.rb +++ b/spec/lib/feed_manager_spec.rb @@ -239,6 +239,23 @@ RSpec.describe FeedManager do expect(FeedManager.instance.push_to_home(account, reblogs.last)).to be false end + it 'saves a new reblog of a recently-reblogged status when previous reblog has been deleted' do + account = Fabricate(:account) + reblogged = Fabricate(:status) + old_reblog = Fabricate(:status, reblog: reblogged) + + # The first reblog should be accepted + expect(FeedManager.instance.push_to_home(account, old_reblog)).to be true + + # The first reblog should be successfully removed + expect(FeedManager.instance.unpush_from_home(account, old_reblog)).to be true + + reblog = Fabricate(:status, reblog: reblogged) + + # The second reblog should be accepted + expect(FeedManager.instance.push_to_home(account, reblog)).to be true + end + it 'does not save a new reblog of a multiply-reblogged-then-unreblogged status' do account = Fabricate(:account) reblogged = Fabricate(:status)