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/push_update_worker.rb

@@ -2,15 +2,38 @@
 
 class PushUpdateWorker
   include Sidekiq::Worker
+  include Redisable
 
-  def perform(account_id, status_id, timeline_id = nil)
-    account     = Account.find(account_id)
-    status      = Status.find(status_id)
-    message     = InlineRenderer.render(status, account, :status)
-    timeline_id = "timeline:#{account.id}" if timeline_id.nil?
+  def perform(account_id, status_id, timeline_id = nil, options = {})
+    @account     = Account.find(account_id)
+    @status      = Status.find(status_id)
+    @timeline_id = timeline_id || "timeline:#{account.id}"
+    @options     = options.symbolize_keys
 
-    Redis.current.publish(timeline_id, Oj.dump(event: :update, payload: message, queued_at: (Time.now.to_f * 1000.0).to_i))
+    publish!
   rescue ActiveRecord::RecordNotFound
     true
   end
+
+  private
+
+  def payload
+    InlineRenderer.render(@status, @account, :status)
+  end
+
+  def message
+    Oj.dump(
+      event: update? ? :'status.update' : :update,
+      payload: payload,
+      queued_at: (Time.now.to_f * 1000.0).to_i
+    )
+  end
+
+  def publish!
+    redis.publish(@timeline_id, message)
+  end
+
+  def update?
+    @options[:update]
+  end
 end