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