course/search.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Displays external information about a course
  19  * @package    core_course
  20  * @copyright  1999 onwards Martin Dougiamas  http://dougiamas.com
  21  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  22  */
  23
  24 require_once("../config.php");
  25 require_once($CFG->dirroot.'/course/lib.php');
  26
  27 $q         = optional_param('q', '', PARAM_RAW);       // Global search words.
  28 $search    = optional_param('search', '', PARAM_RAW);  // search words
  29 $page      = optional_param('page', 0, PARAM_INT);     // which page to show
  30 $perpage   = optional_param('perpage', '', PARAM_RAW); // how many per page, may be integer or 'all'
  31 $blocklist = optional_param('blocklist', 0, PARAM_INT);
  32 $modulelist= optional_param('modulelist', '', PARAM_PLUGIN);
  33 $tagid     = optional_param('tagid', '', PARAM_INT);   // searches for courses tagged with this tag id
  34
  35 // Use global search.
  36 if ($q) {
  37     $search = $q;
  38 }
  39
  40 // List of minimum capabilities which user need to have for editing/moving course
  41 $capabilities = array('moodle/course:create', 'moodle/category:manage');
  42
  43 // Populate usercatlist with list of category id's with course:create and category:manage capabilities.
  44 $usercatlist = core_course_category::make_categories_list($capabilities);
  45
  46 $search = trim(strip_tags($search)); // trim & clean raw searched string
  47
  48 $site = get_site();
  49
  50 $searchcriteria = array();
  51 foreach (array('search', 'blocklist', 'modulelist', 'tagid') as $param) {
  52     if (!empty($$param)) {
  53         $searchcriteria[$param] = $$param;
  54     }
  55 }
  56 $urlparams = array();
  57 if ($perpage !== 'all' && !($perpage = (int)$perpage)) {
  58     // default number of courses per page
  59     $perpage = $CFG->coursesperpage;
  60 } else {
  61     $urlparams['perpage'] = $perpage;
  62 }
  63 if (!empty($page)) {
  64     $urlparams['page'] = $page;
  65 }
  66 $PAGE->set_url('/course/search.php', $searchcriteria + $urlparams);
  67 $PAGE->set_context(context_system::instance());
  68 $PAGE->set_pagelayout('standard');
  69 $courserenderer = $PAGE->get_renderer('core', 'course');
  70
  71 if ($CFG->forcelogin) {
  72     require_login();
  73 }
  74
  75 $strcourses = new lang_string("courses");
  76 $strsearch = new lang_string("search");
  77 $strsearchresults = new lang_string("searchresults");
  78 $strnovalidcourses = new lang_string('novalidcourses');
  79
  80 $courseurl = core_course_category::user_top() ? new moodle_url('/course/index.php') : null;
  81 $PAGE->navbar->add($strcourses, $courseurl);
  82 $PAGE->navbar->add($strsearch, new moodle_url('/course/search.php'));
  83 if (!empty($search)) {
  84     $PAGE->navbar->add(s($search));
  85 }
  86
  87 if (empty($searchcriteria)) {
  88     // no search criteria specified, print page with just search form
  89     $PAGE->set_title("$site->fullname : $strsearch");
  90 } else {
  91     // this is search results page
  92     $PAGE->set_title("$site->fullname : $strsearchresults");
  93     // Link to manage search results should be visible if user have system or category level capability
  94     if ((can_edit_in_category() || !empty($usercatlist))) {
  95         $aurl = new moodle_url('/course/management.php', $searchcriteria);
  96         $searchform = $OUTPUT->single_button($aurl, get_string('managecourses'), 'get');
  97     } else {
  98         $searchform = $courserenderer->course_search_form($search, 'navbar');
  99     }
 100     $PAGE->set_button($searchform);
 101
 102     // Trigger event, courses searched.
 103     $eventparams = array('context' => $PAGE->context, 'other' => array('query' => $search));
 104     $event = \core\event\courses_searched::create($eventparams);
 105     $event->trigger();
 106 }
 107
 108 $PAGE->set_heading($site->fullname);
 109
 110 echo $OUTPUT->header();
 111 echo $courserenderer->search_courses($searchcriteria);
 112 echo $OUTPUT->footer();