Add support for editing for published statuses (#16697)

* Add support for editing for published statuses

* Fix references to stripped-out code

* Various fixes and improvements

* Further fixes and improvements

* Fix updates being potentially sent to unauthorized recipients

* Various fixes and improvements

* Fix wrong words in test

* Fix notifying accounts that were tagged but were not in the audience

* Fix mistake

app/workers/poll_expiration_notify_worker.rb

@@ -6,19 +6,44 @@ class PollExpirationNotifyWorker
   sidekiq_options lock: :until_executed
 
   def perform(poll_id)
-    poll = Poll.find(poll_id)
+    @poll = Poll.find(poll_id)
 
-    # Notify poll owner and remote voters
-    if poll.local?
-      ActivityPub::DistributePollUpdateWorker.perform_async(poll.status.id)
-      NotifyService.new.call(poll.account, :poll, poll)
-    end
+    return if does_not_expire?
+    requeue! && return if not_due_yet?
 
-    # Notify local voters
-    poll.votes.includes(:account).group(:account_id).select(:account_id).map(&:account).select(&:local?).each do |account|
-      NotifyService.new.call(account, :poll, poll)
-    end
+    notify_remote_voters_and_owner! if @poll.local?
+    notify_local_voters!
   rescue ActiveRecord::RecordNotFound
     true
   end
+
+  def self.remove_from_scheduled(poll_id)
+    queue = Sidekiq::ScheduledSet.new
+    queue.select { |scheduled| scheduled.klass == name && scheduled.args[0] == poll_id }.map(&:delete)
+  end
+
+  private
+
+  def does_not_expire?
+    @poll.expires_at.nil?
+  end
+
+  def not_due_yet?
+    @poll.expires_at.present? && !@poll.expired?
+  end
+
+  def requeue!
+    PollExpirationNotifyWorker.perform_at(@poll.expires_at + 5.minutes, @poll.id)
+  end
+
+  def notify_remote_voters_and_owner!
+    ActivityPub::DistributePollUpdateWorker.perform_async(@poll.status.id)
+    NotifyService.new.call(@poll.account, :poll, @poll)
+  end
+
+  def notify_local_voters!
+    @poll.voters.merge(Account.local).find_each do |account|
+      NotifyService.new.call(account, :poll, @poll)
+    end
+  end
 end