have scoped methods available in model class

app/controllers/project_settings/versions_controller.rb

@@ -1,4 +1,5 @@
 #-- encoding: UTF-8
+
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
@@ -31,7 +32,7 @@ class ProjectSettings::VersionsController < ProjectSettingsController
   menu_item :settings_versions
 
   def show
-    @versions = @project.shared_versions.merge(Versions::Scopes::OrderBySemverName.fetch)
+    @versions = @project.shared_versions.order_by_semver_name
 
     render template: 'project_settings/versions'
   end

app/models/project/status.rb

@@ -31,6 +31,8 @@
 class Project::Status < ActiveRecord::Base
   belongs_to :project
 
+  self.table_name = 'project_statuses'
+
   validates :project,
             presence: true,
             uniqueness: true

app/models/scopes/scoped.rb

@@ -0,0 +1,45 @@
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) 2012-2020 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) 2006-2017 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 docs/COPYRIGHT.rdoc for more details.
+#++
+
+module Scopes::Scoped
+  extend ActiveSupport::Concern
+
+  included do
+    base_namespace = name.pluralize.constantize
+
+    base_namespace::Scopes.constants.each do |scope|
+      scope_class = base_namespace::Scopes.const_get(scope)
+
+      define_singleton_method(scope.to_s.underscore) do
+        scope_class.fetch
+      end
+    end
+  rescue NameError
+    # Do nothing as there apparently are no matching scopes defined
+  end
+end

app/models/version.rb

@@ -30,6 +30,7 @@
 
 class Version < ActiveRecord::Base
   include ::Versions::ProjectSharing
+  include ::Scopes::Scoped
 
   belongs_to :project
   has_many :fixed_issues, class_name: 'WorkPackage', foreign_key: 'fixed_version_id', dependent: :nullify

app/models/versions/scopes/order_by_semver_name.rb

@@ -29,7 +29,7 @@
 #++
 
 module Versions::Scopes
-  class OrderBySemverName
+  class OrderBySemverName# < Scopes::Base
     class << self
       def fetch
         Version.reorder Arel.sql(order_sql)

spec/models/versions/scopes/order_by_semver_name_spec.rb

@@ -2,15 +2,32 @@ require 'spec_helper'
 
 describe Versions::Scopes::OrderBySemverName, type: :model do
   let(:project) { FactoryBot.create(:project) }
-  let!(:version1) { FactoryBot.create(:version, name: "aaaaa 1.", project: project) }
-  let!(:version2) { FactoryBot.create(:version, name: "aaaaa", project: project) }
-  let!(:version3) { FactoryBot.create(:version, name: "1.10. aaa", project: project) }
-  let!(:version4) { FactoryBot.create(:version, name: "1.1. zzz", project: project) }
-  let!(:version5) { FactoryBot.create(:version, name: "1.2. mmm", project: project) }
-  let!(:version6) { FactoryBot.create(:version, name: "1. xxxx", project: project) }
+  let!(:version1) do
+    FactoryBot.create(:version, name: "aaaaa 1.", project: project)
+  end
+  let!(:version2) do
+    FactoryBot.create(:version, name: "aaaaa", project: project)
+  end
+  let!(:version3) do
+    FactoryBot.create(:version, name: "1.10. aaa", project: project)
+  end
+  let!(:version4) do
+    FactoryBot.create(:version, name: "1.1. zzz", project: project, start_date: Date.today, effective_date: Date.today + 1.day)
+  end
+  let!(:version5) do
+    FactoryBot.create(:version, name: "1.2. mmm", project: project, start_date: Date.today)
+  end
+  let!(:version6) do
+    FactoryBot.create(:version, name: "1. xxxx", project: project, start_date: Date.today + 5.days)
+  end
 
   it 'returns the versions in semver order' do
     expect(described_class.fetch.to_a)
       .to eql [version6, version4, version5, version3, version2, version1]
   end
+
+  it 'is also callable on the version class' do
+    expect(Version.order_by_semver_name.to_a)
+      .to eql [version6, version4, version5, version3, version2, version1]
+  end
 end