Add CausedBySystemUpdate as journaling cause

app/models/journal/caused_by_system_update.rb

@@ -0,0 +1,36 @@
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) 2012-2023 the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See COPYRIGHT and LICENSE files for more details.
+#++
+#
+class Journal::CausedBySystemUpdate < CauseOfChange::Base
+  def initialize(feature:)
+    additional = {
+      "feature" => feature
+    }
+    super('system_update', additional)
+  end
+end

db/migrate/20230731153909_add_file_link_journals_to_existing_containers.rb

@@ -37,7 +37,7 @@ class AddFileLinkJournalsToExistingContainers < ActiveRecord::Migration[7.0]
       next unless container.class.journaled?
 
       Journals::CreateService.new(container, system_user)
-                             .call(cause: { "type" => 'system_update', "feature" => 'file_links_journal' })
+                             .call(cause: Jounal::CausedBySystemUpdate.new(feature: 'file_links_journal'))
     end
   end