moved ActivityExpiration to Oban Periodic jobs

lib/pleroma/workers/activity_expiration_worker.ex

@@ -1,18 +0,0 @@
-# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
-# SPDX-License-Identifier: AGPL-3.0-only
-
-defmodule Pleroma.Workers.ActivityExpirationWorker do
-  use Pleroma.Workers.WorkerHelper, queue: "activity_expiration"
-
-  @impl Oban.Worker
-  def perform(
-        %{
-          "op" => "activity_expiration",
-          "activity_expiration_id" => activity_expiration_id
-        },
-        _job
-      ) do
-    Pleroma.Daemons.ActivityExpirationDaemon.perform(:execute, activity_expiration_id)
-  end
-end

lib/pleroma/workers/cron/purge_expired_activities_worker.ex

@@ -0,0 +1,39 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Workers.Cron.PurgeExpiredActivitiesWorker do
+  @moduledoc """
+  The worker to purge expired activities.
+  """
+
+  use Oban.Worker, queue: "activity_expiration"
+
+  alias Pleroma.Activity
+  alias Pleroma.ActivityExpiration
+  alias Pleroma.Config
+  alias Pleroma.User
+  alias Pleroma.Web.CommonAPI
+
+  require Logger
+
+  @interval :timer.minutes(1)
+
+  @impl Oban.Worker
+  def perform(_opts, _job) do
+    if Config.get([ActivityExpiration, :enabled]) do
+      Enum.each(ActivityExpiration.due_expirations(@interval), &delete_activity/1)
+    end
+  end
+
+  def delete_activity(expiration) do
+    try do
+      activity = Activity.get_by_id_with_object(expiration.activity_id)
+      user = User.get_by_ap_id(activity.object.data["actor"])
+      CommonAPI.delete(activity.id, user)
+    rescue
+      error ->
+        Logger.error("#{__MODULE__} Couldn't delete expired activity: #{inspect(error)}")
+    end
+  end
+end