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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   * Mark a notification read and redirect to the relevant content.
  19   *
  20   * @package    message_popup
  21   * @copyright  2018 Michael Hawkins
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  require_once(__DIR__ . '/../../../config.php');
  26  
  27  require_login(null, false);
  28  
  29  if (isguestuser()) {
  30      redirect($CFG->wwwroot);
  31  }
  32  
  33  $notificationid = required_param('notificationid', PARAM_INT);
  34  
  35  $notification = $DB->get_record('notifications', array('id' => $notificationid));
  36  
  37  // If the redirect URL after filtering is empty, or it was never passed, then redirect to the notification page.
  38  if (!empty($notification->contexturl)) {
  39      $redirecturl = new moodle_url($notification->contexturl);
  40  } else {
  41      $redirecturl = new moodle_url('/message/output/popup/notifications.php', ['notificationid' => $notificationid]);
  42  }
  43  
  44  // Check notification belongs to this user.
  45  if ($USER->id != $notification->useridto) {
  46      redirect($CFG->wwwroot);
  47  }
  48  
  49  \core_message\api::mark_notification_as_read($notification);
  50  redirect($redirecturl);