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Fix concurrent unfollowing decrementing follower count more than once

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This commit is contained in:
Eugen Rochko 2022-05-26 18:58:19 +02:00
parent a3909514bf
commit 104fdaf446
1 changed files with 7 additions and 1 deletions
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8
app/services/unfollow_service.rb
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@ -13,7 +13,13 @@ class UnfollowService < BaseService
@target_account = target_account
@options = options
unfollow! || undo_follow_request!
RedisLock.acquire(redis: Redis.current, key: "relationship:#{[source_account.id, target_account.id].sort.join(':')}", autorelease: 90.seconds) do |lock|
if lock.acquired?
unfollow! || undo_follow_request!
else
raise Mastodon::RaceConditionError
end
end
end
private