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index.php
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index.php
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<?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/>.
/**
* Global Search index page for entering queries and display of results
*
* @package core_search
* @copyright Prateek Sachan {@link http://prateeksachan.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once(__DIR__ . '/../config.php');
$page = optional_param('page', 0, PARAM_INT);
$q = optional_param('q', '', PARAM_NOTAGS);
$title = optional_param('title', '', PARAM_NOTAGS);
$contextid = optional_param('context', 0, PARAM_INT);
// Moving areaids, courseids, timestart, and timeend further down as they might come as an array if they come from the form.
$context = context_system::instance();
$pagetitle = get_string('globalsearch', 'search');
$PAGE->set_context($context);
$PAGE->set_pagelayout('standard');
$PAGE->set_title($pagetitle);
$PAGE->set_heading($pagetitle);
if (!empty($CFG->forcelogin)) {
require_login();
}
require_capability('moodle/search:query', $context);
$searchrenderer = $PAGE->get_renderer('core_search');
if (\core_search\manager::is_global_search_enabled() === false) {
$PAGE->set_url(new moodle_url('/search/index.php'));
echo $OUTPUT->header();
echo $OUTPUT->heading($pagetitle);
echo $searchrenderer->render_search_disabled();
echo $OUTPUT->footer();
exit;
}
$search = \core_search\manager::instance(true);
// Set up custom data for form.
$customdata = ['searchengine' => $search->get_engine()->get_plugin_name()];
if ($contextid) {
// When a context is supplied, check if it's within course level. If so, show dropdown.
$context = context::instance_by_id($contextid);
$coursecontext = $context->get_course_context(false);
if ($coursecontext) {
$searchwithin = [];
$searchwithin[''] = get_string('everywhere', 'search');
$searchwithin['course'] = $coursecontext->get_context_name();
if ($context->contextlevel != CONTEXT_COURSE) {
$searchwithin['context'] = $context->get_context_name();
if ($context->contextlevel == CONTEXT_MODULE) {
$customdata['withincmid'] = $context->instanceid;
}
}
$customdata['searchwithin'] = $searchwithin;
$customdata['withincourseid'] = $coursecontext->instanceid;
}
}
// Get available ordering options from search engine.
$customdata['orderoptions'] = $search->get_engine()->get_supported_orders($context);
$mform = new \core_search\output\form\search(null, $customdata);
$data = $mform->get_data();
if (!$data && $q) {
// Data can also come from the URL.
$data = new stdClass();
$data->q = $q;
$data->title = $title;
$areaids = optional_param('areaids', '', PARAM_RAW);
if (!empty($areaids)) {
$areaids = explode(',', $areaids);
$data->areaids = clean_param_array($areaids, PARAM_ALPHANUMEXT);
}
$courseids = optional_param('courseids', '', PARAM_RAW);
if (!empty($courseids)) {
$courseids = explode(',', $courseids);
$data->courseids = clean_param_array($courseids, PARAM_INT);
}
$data->timestart = optional_param('timestart', 0, PARAM_INT);
$data->timeend = optional_param('timeend', 0, PARAM_INT);
$data->context = $contextid;
$mform->set_data($data);
}
// Convert the 'search within' option, if used, to course or context restrictions.
if ($data && !empty($data->searchwithin)) {
switch ($data->searchwithin) {
case 'course':
$data->courseids = [$coursecontext->instanceid];
break;
case 'context':
$data->courseids = [$coursecontext->instanceid];
$data->contextids = [$context->id];
break;
}
}
// Inform search engine about source context.
if (!empty($context) && $data) {
$data->context = $context;
}
// Set the page URL.
$urlparams = array('page' => $page);
if ($data) {
$urlparams['q'] = $data->q;
$urlparams['title'] = $data->title;
if (!empty($data->areaids)) {
$urlparams['areaids'] = implode(',', $data->areaids);
}
if (!empty($data->courseids)) {
$urlparams['courseids'] = implode(',', $data->courseids);
}
$urlparams['timestart'] = $data->timestart;
$urlparams['timeend'] = $data->timeend;
}
$url = new moodle_url('/search/index.php', $urlparams);
$PAGE->set_url($url);
// We are ready to render.
echo $OUTPUT->header();
echo $OUTPUT->heading($pagetitle);
// Get the results.
if ($data) {
$results = $search->paged_search($data, $page);
}
if ($errorstr = $search->get_engine()->get_query_error()) {
echo $OUTPUT->notification(get_string('queryerror', 'search', $errorstr), 'notifyproblem');
} else if (empty($results->totalcount) && !empty($data)) {
echo $OUTPUT->notification(get_string('noresults', 'search'), 'notifymessage');
}
$mform->display();
if (!empty($results)) {
echo $searchrenderer->render_results($results->results, $results->actualpage, $results->totalcount, $url);
\core_search\manager::trigger_search_results_viewed([
'q' => $data->q,
'page' => $page,
'title' => $data->title,
'areaids' => !empty($data->areaids) ? $data->areaids : array(),
'courseids' => !empty($data->courseids) ? $data->courseids : array(),
'timestart' => isset($data->timestart) ? $data->timestart : 0,
'timeend' => isset($data->timeend) ? $data->timeend : 0
]);
}
echo $OUTPUT->footer();