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
  20  * @category   course
  21  * @copyright  1999 onwards Martin Dougiamas  http://dougiamas.com
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require_once("../config.php");
  26 require_once($CFG->dirroot.'/course/lib.php');
  27 require_once($CFG->libdir.'/coursecatlib.php');
  28
  29 $search    = optional_param('search', '', PARAM_RAW);  // search words
  30 $page      = optional_param('page', 0, PARAM_INT);     // which page to show
  31 $perpage   = optional_param('perpage', '', PARAM_RAW); // how many per page, may be integer or 'all'
  32 $blocklist = optional_param('blocklist', 0, PARAM_INT);
  33 $modulelist= optional_param('modulelist', '', PARAM_PLUGIN);
  34 $tagid     = optional_param('tagid', '', PARAM_INT);   // searches for courses tagged with this tag id
  35
  36 // List of minimum capabilities which user need to have for editing/moving course
  37 $capabilities = array('moodle/course:create', 'moodle/category:manage');
  38
  39 // Populate usercatlist with list of category id's with course:create and category:manage capabilities.
  40 $usercatlist = coursecat::make_categories_list($capabilities);
  41
  42 $search = trim(strip_tags($search)); // trim & clean raw searched string
  43
  44 $site = get_site();
  45
  46 $searchcriteria = array();
  47 foreach (array('search', 'blocklist', 'modulelist', 'tagid') as $param) {
  48     if (!empty($$param)) {
  49         $searchcriteria[$param] = $$param;
  50     }
  51 }
  52 $urlparams = array();
  53 if ($perpage !== 'all' && !($perpage = (int)$perpage)) {
  54     // default number of courses per page
  55     $perpage = $CFG->coursesperpage;
  56 } else {
  57     $urlparams['perpage'] = $perpage;
  58 }
  59 if (!empty($page)) {
  60     $urlparams['page'] = $page;
  61 }
  62 $PAGE->set_url('/course/search.php', $searchcriteria + $urlparams);
  63 $PAGE->set_context(context_system::instance());
  64 $PAGE->set_pagelayout('standard');
  65 $courserenderer = $PAGE->get_renderer('core', 'course');
  66
  67 if ($CFG->forcelogin) {
  68     require_login();
  69 }
  70
  71 $strcourses = new lang_string("courses");
  72 $strsearch = new lang_string("search");
  73 $strsearchresults = new lang_string("searchresults");
  74 $strnovalidcourses = new lang_string('novalidcourses');
  75
  76 $PAGE->navbar->add($strcourses, new moodle_url('/course/index.php'));
  77 $PAGE->navbar->add($strsearch, new moodle_url('/course/search.php'));
  78 if (!empty($search)) {
  79     $PAGE->navbar->add(s($search));
  80 }
  81
  82 if (empty($searchcriteria)) {
  83     // no search criteria specified, print page with just search form
  84     $PAGE->set_title("$site->fullname : $strsearch");
  85 } else {
  86     // this is search results page
  87     $PAGE->set_title("$site->fullname : $strsearchresults");
  88     // Link to manage search results should be visible if user have system or category level capability
  89     if ((can_edit_in_category() || !empty($usercatlist))) {
  90         $aurl = new moodle_url('/course/manage.php', $searchcriteria);
  91         $searchform = $OUTPUT->single_button($aurl, get_string('managecourses'), 'get');
  92     } else {
  93         $searchform = $courserenderer->course_search_form($search, 'navbar');
  94     }
  95     $PAGE->set_button($searchform);
  96 }
  97
  98 $PAGE->set_heading($site->fullname);
  99
 100 echo $OUTPUT->header();
 101 echo $courserenderer->search_courses($searchcriteria);
 102 echo $OUTPUT->footer();