avoid reference to Project in initializer

app/models/projects/activity.rb

@@ -26,23 +26,15 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-require Rails.root.join('config/constants/project_activity')
-
 module Projects::Activity
   def self.included(base)
     base.send :extend, ActivityScopes
   end
 
   module ActivityScopes
-    def register_latest_project_activity(on:, attribute:, chain: [])
-      Constants::ProjectActivity.register(on: on,
-                                          chain: chain,
-                                          attribute: attribute)
-    end
-
     def latest_project_activity
       @latest_project_activity ||=
-        Constants::ProjectActivity.registered.map do |params|
+        OpenProject::ProjectActivity.registered.map do |params|
           build_latest_project_activity_for(on: params[:on].constantize,
                                             chain: Array(params[:chain]).map(&:constantize),
                                             attribute: params[:attribute])

config/constants/open_project/project_activity.rb

@@ -0,0 +1,41 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 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.
+
+module OpenProject
+  module ProjectActivity
+    class << self
+      def register(on:, attribute:, chain: [])
+        @registered ||= Set.new
+
+        @registered << { on: on,
+                         chain: chain,
+                         attribute: attribute }
+      end
+
+      attr_reader :registered
+    end
+  end
+end

config/constants/project_activity.rb

@@ -1,43 +0,0 @@
-#-- copyright
-# OpenProject is an open source project management software.
-# Copyright (C) 2012-2022 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.
-#++
-
-module Constants
-  module ProjectActivity
-    class << self
-      def register(on:, attribute:, chain: [])
-        @registered ||= Set.new
-
-        @registered << { on: on,
-                         chain: chain,
-                         attribute: attribute }
-      end
-
-      attr_reader :registered
-    end
-  end
-end

config/initializers/activity.rb

@@ -26,6 +26,8 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
+require_relative '../constants/open_project/project_activity'
+
 Rails.application.reloader.to_prepare do
   OpenProject::Activity.map do |activity|
     activity.register :work_packages, class_name: '::Activities::WorkPackageActivityProvider'
@@ -38,21 +40,21 @@ Rails.application.reloader.to_prepare do
                                  default: false
   end
 
-  Project.register_latest_project_activity on: 'WorkPackage',
+  OpenProject::ProjectActivity.register on: 'WorkPackage',
                                         attribute: :updated_at
 
-  Project.register_latest_project_activity on: 'News',
+  OpenProject::ProjectActivity.register on: 'News',
                                         attribute: :updated_at
 
-  Project.register_latest_project_activity on: 'Changeset',
+  OpenProject::ProjectActivity.register on: 'Changeset',
                                         chain: 'Repository',
                                         attribute: :committed_on
 
-  Project.register_latest_project_activity on: 'WikiContent',
+  OpenProject::ProjectActivity.register on: 'WikiContent',
                                         chain: %w(Wiki WikiPage),
                                         attribute: :updated_at
 
-  Project.register_latest_project_activity on: 'Message',
+  OpenProject::ProjectActivity.register on: 'Message',
                                         chain: 'Forum',
                                         attribute: :updated_at
 end

modules/budgets/lib/budgets/engine.rb

@@ -48,7 +48,7 @@ module Budgets
     end
 
     config.to_prepare do
-      Project.register_latest_project_activity on: 'Budget',
+      OpenProject::ProjectActivity.register on: 'Budget',
                                             attribute: :updated_at
 
       # Add to the budget to the costs group

modules/costs/lib/costs/engine.rb

@@ -249,7 +249,7 @@ module Costs
     end
 
     config.to_prepare do
-      Project.register_latest_project_activity on: 'TimeEntry',
+      OpenProject::ProjectActivity.register on: 'TimeEntry',
                                             attribute: :updated_at
 
       Costs::Patches::MembersPatch.mixin!

modules/meeting/lib/open_project/meeting/engine.rb

@@ -81,7 +81,7 @@ module OpenProject::Meeting
     end
 
     config.to_prepare do
-      Project.register_latest_project_activity on: 'Meeting',
+      OpenProject::ProjectActivity.register on: 'Meeting',
                                             attribute: :updated_at
 
       PermittedParams.permit(:search, :meetings)