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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   * Observer handling events.
  19   *
  20   * @package availability_grade
  21   * @copyright 2014 The Open University
  22   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  namespace availability_grade;
  26  
  27  defined('MOODLE_INTERNAL') || die();
  28  
  29  /**
  30   * Callbacks handling grade changes (to clear cache).
  31   *
  32   * This ought to use the hooks system, but it doesn't exist - calls are
  33   * hard-coded. (The new event system is not suitable for this type of use.)
  34   *
  35   * @package availability_grade
  36   * @copyright 2014 The Open University
  37   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  38   */
  39  class callbacks {
  40      /**
  41       * A user grade has been updated in gradebook.
  42       *
  43       * @param int $userid User ID
  44       */
  45      public static function grade_changed($userid) {
  46          \cache::make('availability_grade', 'scores')->delete($userid);
  47      }
  48  
  49      /**
  50       * A grade item has been updated in gradebook.
  51       *
  52       * @param int $courseid Course id
  53       */
  54      public static function grade_item_changed($courseid) {
  55          \cache::make('availability_grade', 'items')->delete($courseid);
  56      }
  57  }