Lists (#5703)

* Add structure for lists

* Add list timeline streaming API

* Add list APIs, bind list-account relation to follow relation

* Add API for adding/removing accounts from lists

* Add pagination to lists API

* Add pagination to list accounts API

* Adjust scopes for new APIs

- Creating and modifying lists merely requires "write" scope
- Fetching information about lists merely requires "read" scope

* Add test for wrong user context on list timeline

* Clean up tests

app/workers/push_update_worker.rb

@@ -3,12 +3,13 @@
 class PushUpdateWorker
   include Sidekiq::Worker
 
-  def perform(account_id, status_id)
-    account = Account.find(account_id)
-    status  = Status.find(status_id)
-    message = InlineRenderer.render(status, account, :status)
+  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?
 
-    Redis.current.publish("timeline:#{account.id}", Oj.dump(event: :update, payload: message, queued_at: (Time.now.to_f * 1000.0).to_i))
+    Redis.current.publish(timeline_id, Oj.dump(event: :update, payload: message, queued_at: (Time.now.to_f * 1000.0).to_i))
   rescue ActiveRecord::RecordNotFound
     true
   end