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200 lines
6.6 KiB
200 lines
6.6 KiB
2 years ago
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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Global Search index page for entering queries and display of results
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*
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* @package core_search
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* @copyright Prateek Sachan {@link http://prateeksachan.com}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require_once(__DIR__ . '/../config.php');
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$page = optional_param('page', 0, PARAM_INT);
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$q = optional_param('q', '', PARAM_NOTAGS);
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$title = optional_param('title', '', PARAM_NOTAGS);
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$contextid = optional_param('context', 0, PARAM_INT);
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$cat = optional_param('cat', '', PARAM_NOTAGS);
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$mycoursesonly = optional_param('mycoursesonly', 0, PARAM_INT);
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if (\core_search\manager::is_search_area_categories_enabled()) {
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$cat = \core_search\manager::get_search_area_category_by_name($cat);
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}
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// Moving areaids, courseids, timestart, and timeend further down as they might come as an array if they come from the form.
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$context = context_system::instance();
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$pagetitle = get_string('globalsearch', 'search');
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$PAGE->set_context($context);
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$PAGE->set_pagelayout('standard');
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$PAGE->set_title($pagetitle);
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$PAGE->set_heading($pagetitle);
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if (!empty($CFG->forcelogin)) {
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require_login();
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}
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require_capability('moodle/search:query', $context);
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$searchrenderer = $PAGE->get_renderer('core_search');
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if (\core_search\manager::is_global_search_enabled() === false) {
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$PAGE->set_url(new moodle_url('/search/index.php'));
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echo $OUTPUT->header();
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echo $OUTPUT->heading($pagetitle);
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echo $searchrenderer->render_search_disabled();
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echo $OUTPUT->footer();
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exit;
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}
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$search = \core_search\manager::instance(true);
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// Set up custom data for form.
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$customdata = ['searchengine' => $search->get_engine()->get_plugin_name()];
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if ($contextid) {
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// When a context is supplied, check if it's within course level. If so, show dropdown.
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$context = context::instance_by_id($contextid);
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$coursecontext = $context->get_course_context(false);
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if ($coursecontext) {
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$searchwithin = [];
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$searchwithin[''] = get_string('everywhere', 'search');
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$searchwithin['course'] = $coursecontext->get_context_name();
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if ($context->contextlevel != CONTEXT_COURSE) {
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$searchwithin['context'] = $context->get_context_name();
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if ($context->contextlevel == CONTEXT_MODULE) {
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$customdata['withincmid'] = $context->instanceid;
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}
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}
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$customdata['searchwithin'] = $searchwithin;
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$customdata['withincourseid'] = $coursecontext->instanceid;
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}
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}
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// Get available ordering options from search engine.
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$customdata['orderoptions'] = $search->get_engine()->get_supported_orders($context);
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if ($cat instanceof \core_search\area_category) {
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$customdata['cat'] = $cat->get_name();
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}
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$mform = new \core_search\output\form\search(null, $customdata);
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$data = $mform->get_data();
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if (!$data && $q) {
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// Data can also come from the URL.
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$data = new stdClass();
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$data->q = $q;
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$data->title = $title;
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$areaids = optional_param('areaids', '', PARAM_RAW);
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if (!empty($areaids)) {
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$areaids = explode(',', $areaids);
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$data->areaids = clean_param_array($areaids, PARAM_ALPHANUMEXT);
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}
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$courseids = optional_param('courseids', '', PARAM_RAW);
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if (!empty($courseids)) {
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$courseids = explode(',', $courseids);
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$data->courseids = clean_param_array($courseids, PARAM_INT);
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}
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$data->timestart = optional_param('timestart', 0, PARAM_INT);
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$data->timeend = optional_param('timeend', 0, PARAM_INT);
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$data->context = $contextid;
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$data->mycoursesonly = $mycoursesonly;
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$mform->set_data($data);
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}
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// Convert the 'search within' option, if used, to course or context restrictions.
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if ($data && !empty($data->searchwithin)) {
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switch ($data->searchwithin) {
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case 'course':
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$data->courseids = [$coursecontext->instanceid];
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break;
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case 'context':
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$data->courseids = [$coursecontext->instanceid];
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$data->contextids = [$context->id];
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break;
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}
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}
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// Inform search engine about source context.
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if (!empty($context) && $data) {
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$data->context = $context;
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}
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if ($data && $cat instanceof \core_search\area_category) {
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$data->cat = $cat->get_name();
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}
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// Set the page URL.
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$urlparams = array('page' => $page);
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if ($data) {
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$urlparams['q'] = $data->q;
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$urlparams['title'] = $data->title;
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if (!empty($data->areaids)) {
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$urlparams['areaids'] = implode(',', $data->areaids);
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}
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if (!empty($data->courseids)) {
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$urlparams['courseids'] = implode(',', $data->courseids);
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}
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$urlparams['timestart'] = $data->timestart;
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$urlparams['timeend'] = $data->timeend;
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$urlparams['mycoursesonly'] = isset($data->mycoursesonly) ? $data->mycoursesonly : 0;
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}
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if ($cat instanceof \core_search\area_category) {
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$urlparams['cat'] = $cat->get_name();
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}
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$url = new moodle_url('/search/index.php', $urlparams);
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$PAGE->set_url($url);
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// We are ready to render.
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echo $OUTPUT->header();
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echo $OUTPUT->heading($pagetitle);
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// Get the results.
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if ($data) {
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$results = $search->paged_search($data, $page);
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}
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if ($errorstr = $search->get_engine()->get_query_error()) {
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echo $OUTPUT->notification(get_string('queryerror', 'search', $errorstr), 'notifyproblem');
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} else if (empty($results->totalcount) && !empty($data)) {
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echo $OUTPUT->notification(get_string('noresults', 'search'), 'notifymessage');
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}
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$mform->display();
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if (!empty($results)) {
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echo $searchrenderer->render_results($results->results, $results->actualpage, $results->totalcount, $url, $cat);
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\core_search\manager::trigger_search_results_viewed([
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'q' => $data->q,
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'page' => $page,
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'title' => $data->title,
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'areaids' => !empty($data->areaids) ? $data->areaids : array(),
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'courseids' => !empty($data->courseids) ? $data->courseids : array(),
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'timestart' => isset($data->timestart) ? $data->timestart : 0,
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'timeend' => isset($data->timeend) ? $data->timeend : 0
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]);
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}
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echo $OUTPUT->footer();
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