Xapian Easy search

lib/redmine_dmsf/patches/application_helper_patch.rb

@@ -40,4 +40,4 @@ module RedmineDmsf
 end
 
 # Apply the patch
-ApplicationHelper.prepend RedmineDmsf::Patches::ApplicationHelperPatch
+ApplicationHelper.prepend RedmineDmsf::Patches::ApplicationHelperPatch if Redmine::Plugin.installed?('easy_extensions')

lib/redmine_dmsf/patches/xapian_easy_search_helper_patch.rb

@@ -37,4 +37,6 @@ module RedmineDmsf
 end
 
 # Apply the patch
-XapianEasySearchHelper.prepend RedmineDmsf::Patches::XapianEasySearchHelperPatch
+if Redmine::Plugin.installed?('easy_extensions')
+  XapianEasySearchHelper.prepend RedmineDmsf::Patches::XapianEasySearchHelperPatch
+end

lib/xapian_easy_search/base_mapper.rb

@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+# Redmine plugin for Document Management System "Features"
+#
+# Copyright © 2011    Vít Jonáš <vit.jonas@gmail.com>
+# Copyright © 2012    Daniel Munn <dan.munn@munnster.co.uk>
+# Copyright © 2011-23 Karel Pičman <karel.picman@kontron.com>
+#
+# 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.
+
+if defined?(EasyExtensions)
+  require 'xapian_easy_search/base_mapper'
+else
+  module XapianEasySearch
+    # Foo class
+    class BaseMapper
+      def foo; end
+    end
+  end
+end

lib/xapian_easy_search/dmsf_file_mapper.rb

@@ -20,7 +20,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
-require 'xapian_easy_search/base_mapper'
+require('xapian_easy_search/base_mapper') if defined?(EasyExtensions)
 
 module XapianEasySearch
   # DmsfFile mapper

lib/xapian_easy_search/dmsf_folder_mapper.rb

@@ -20,7 +20,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
-require 'xapian_easy_search/base_mapper'
+require('xapian_easy_search/base_mapper') if defined?(EasyExtensions)
 
 module XapianEasySearch
   # DmsfFolder mapper