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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   * Processing actions with badge criteria.
  19   *
  20   * @package    core
  21   * @subpackage badges
  22   * @copyright  2012 onwards Totara Learning Solutions Ltd {@link http://www.totaralms.com/}
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   * @author     Yuliya Bozhko <yuliya.bozhko@totaralms.com>
  25   */
  26  
  27  require_once(__DIR__ . '/../config.php');
  28  require_once($CFG->libdir . '/badgeslib.php');
  29  
  30  $badgeid = optional_param('badgeid', 0, PARAM_INT); // Badge ID.
  31  $crit    = optional_param('crit', 0, PARAM_INT);
  32  $type    = optional_param('type', 0, PARAM_INT); // Criteria type.
  33  $delete  = optional_param('delete', 0, PARAM_BOOL);
  34  $confirm = optional_param('confirm', 0, PARAM_BOOL);
  35  
  36  require_login();
  37  
  38  $return = new moodle_url('/badges/criteria.php', array('id' => $badgeid));
  39  $badge = new badge($badgeid);
  40  $context = $badge->get_context();
  41  $navurl = new moodle_url('/badges/index.php', array('type' => $badge->type));
  42  
  43  // Make sure that no actions available for locked or active badges.
  44  if ($badge->is_active() || $badge->is_locked()) {
  45      redirect($return);
  46  }
  47  
  48  if ($badge->type == BADGE_TYPE_COURSE) {
  49      require_login($badge->courseid);
  50      $navurl = new moodle_url('/badges/index.php', array('type' => $badge->type, 'id' => $badge->courseid));
  51      $PAGE->set_pagelayout('standard');
  52      navigation_node::override_active_url($navurl);
  53  } else {
  54      $PAGE->set_pagelayout('admin');
  55      navigation_node::override_active_url($navurl, true);
  56  }
  57  
  58  $PAGE->set_context($context);
  59  $PAGE->set_url('/badges/criteria_action.php');
  60  $PAGE->set_heading($badge->name);
  61  $PAGE->set_title($badge->name);
  62  
  63  if ($delete && has_capability('moodle/badges:configurecriteria', $context)) {
  64      if ($type == BADGE_CRITERIA_TYPE_OVERALL) {
  65          redirect($return, get_string('error:cannotdeletecriterion', 'badges'));
  66      }
  67      if (!$confirm) {
  68          $optionsyes = array('confirm' => 1, 'sesskey' => sesskey(), 'badgeid' => $badgeid, 'delete' => true, 'type' => $type);
  69  
  70          $strdeletecheckfull = get_string('delcritconfirm', 'badges');
  71  
  72          echo $OUTPUT->header();
  73          $formcontinue = new single_button(new moodle_url('/badges/criteria_action.php', $optionsyes), get_string('yes'));
  74          $formcancel = new single_button($return, get_string('no'), 'get');
  75          echo $OUTPUT->confirm($strdeletecheckfull, $formcontinue, $formcancel);
  76          echo $OUTPUT->footer();
  77  
  78          die();
  79      }
  80  
  81      require_sesskey();
  82      if (count($badge->criteria) == 2) {
  83          // Remove overall criterion as well.
  84          $badge->criteria[$type]->delete();
  85          $badge->criteria[BADGE_CRITERIA_TYPE_OVERALL]->delete();
  86      } else {
  87          $badge->criteria[$type]->delete();
  88      }
  89      $return->param('msg', 'criteriadeleted');
  90      redirect($return);
  91  }
  92  
  93  redirect($return);