--- /dev/null
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle 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 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle 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 Moodle. If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * A scheduled task for global search.
+ *
+ * @package core
+ * @copyright 2015 David Monllao {@link http://www.davidmonllao.com}
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+namespace core\task;
+
+/**
+ * Runs global search indexing.
+ *
+ * @package core
+ * @copyright 2015 David Monllao {@link http://www.davidmonllao.com}
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class search_task extends scheduled_task {
+
+ /**
+ * Get a descriptive name for this task (shown to admins).
+ *
+ * @return string
+ */
+ public function get_name() {
+ return get_string('taskglobalsearch', 'admin');
+ }
+
+ /**
+ * Do the job.
+ * Throw exceptions on errors (the job will be retried).
+ */
+ public function execute() {
+ if (!\core_search\manager::is_global_search_enabled()) {
+ return;
+ }
+ $globalsearch = \core_search\manager::instance();
+
+ // Indexing database records for modules + rich documents of forum.
+ $globalsearch->index();
+
+ // Optimize index at last.
+ $globalsearch->optimize_index();
+ }
+}
