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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   * A scheduled task.
  19   *
  20   * @package    core
  21   * @copyright  2019 Simey Lameze <simey@moodle.com>
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  namespace core\task;
  25  
  26  /**
  27   * Simple task to run the badges cron.
  28   */
  29  class badges_message_task extends scheduled_task {
  30  
  31      /**
  32       * Get a descriptive name for this task (shown to admins).
  33       *
  34       * @return string
  35       */
  36      public function get_name() {
  37          return get_string('taskbadgesmessagecron', 'admin');
  38      }
  39  
  40      /**
  41       * Reviews criteria and awards badges
  42       *
  43       * First find all badges that can be earned, then reviews each badge.
  44       */
  45      public function execute() {
  46          global $CFG, $DB;
  47  
  48          if (!empty($CFG->enablebadges)) {
  49              require_once($CFG->libdir . '/badgeslib.php');
  50              mtrace('Sending scheduled badge notifications.');
  51  
  52              $scheduled = $DB->get_records_select('badge', 'notification > ? AND (status != ?) AND nextcron < ?',
  53                  array(BADGE_MESSAGE_ALWAYS, BADGE_STATUS_ARCHIVED, time()),
  54                  'notification ASC', 'id, name, notification, usercreated as creator, timecreated');
  55  
  56              foreach ($scheduled as $sch) {
  57                  // Send messages.
  58                  badge_assemble_notification($sch);
  59  
  60                  // Update next cron value.
  61                  $nextcron = badges_calculate_message_schedule($sch->notification);
  62                  $DB->set_field('badge', 'nextcron', $nextcron, array('id' => $sch->id));
  63              }
  64          }
  65      }
  66  
  67  }