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instrumental/app/workers/publish_scheduled_announcement_worker.rb
ThibG 89e28c7674
Fix PostgreSQL load when linking in announcements (#13250)
* Fix PostgreSQL load when linking in announcements

Fixes #13245 by caching status lookups

Since statuses are supposed to be known already and we only
need their URLs and a few other things, caching them should
be fine.

Since it's only used by announcements so far, there won't
be much statuses to cache.

* Perform status lookup when saving announcements, not when rendering them

* Change EntityCache#status to fetch URLs instead of looking into the database

* Move announcement link lookup to publishing worker

* Address issues pointed out during review
2020-04-05 12:51:22 +02:00

29 lines
755 B
Ruby

# frozen_string_literal: true
class PublishScheduledAnnouncementWorker
include Sidekiq::Worker
include Redisable
def perform(announcement_id)
@announcement = Announcement.find(announcement_id)
refresh_status_ids!
@announcement.publish! unless @announcement.published?
payload = InlineRenderer.render(@announcement, nil, :announcement)
payload = Oj.dump(event: :announcement, payload: payload)
FeedManager.instance.with_active_accounts do |account|
redis.publish("timeline:#{account.id}", payload) if redis.exists("subscribed:timeline:#{account.id}")
end
end
private
def refresh_status_ids!
@announcement.status_ids = Status.from_text(@announcement.text).map(&:id)
@announcement.save
end
end