| 1 | efrain | 1 | <?php
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           |  |  | 2 | // This file is part of Moodle - http://moodle.org/
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           |  |  | 3 | //
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           |  |  | 4 | // Moodle is free software: you can redistribute it and/or modify
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           |  |  | 5 | // it under the terms of the GNU General Public License as published by
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           |  |  | 6 | // the Free Software Foundation, either version 3 of the License, or
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           |  |  | 7 | // (at your option) any later version.
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           |  |  | 8 | //
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           |  |  | 9 | // Moodle is distributed in the hope that it will be useful,
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           |  |  | 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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           |  |  | 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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           |  |  | 12 | // GNU General Public License for more details.
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           |  |  | 13 | //
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           |  |  | 14 | // You should have received a copy of the GNU General Public License
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           |  |  | 15 | // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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           |  |  | 16 |   | 
        
           |  |  | 17 | /**
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           |  |  | 18 |  * Group observers.
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           |  |  | 19 |  *
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           |  |  | 20 |  * @package    mod_assign
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           |  |  | 21 |  * @copyright  2016 Ilya Tregubov
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           |  |  | 22 |  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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           |  |  | 23 |  */
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           |  |  | 24 |   | 
        
           |  |  | 25 | namespace mod_assign;
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           |  |  | 26 | defined('MOODLE_INTERNAL') || die();
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           |  |  | 27 |   | 
        
           |  |  | 28 | require_once($CFG->dirroot . '/mod/assign/locallib.php');
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           |  |  | 29 |   | 
        
           |  |  | 30 | /**
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           |  |  | 31 |  * Group observers class.
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           |  |  | 32 |  *
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           |  |  | 33 |  * @package    mod_assign
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           |  |  | 34 |  * @copyright  2016 Ilya Tregubov
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           |  |  | 35 |  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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           |  |  | 36 |  */
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           |  |  | 37 | class group_observers {
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           |  |  | 38 |   | 
        
           |  |  | 39 |     /**
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           |  |  | 40 |      * Flag whether a course reset is in progress or not.
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           |  |  | 41 |      *
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           |  |  | 42 |      * @var int The course ID.
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           |  |  | 43 |      */
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           |  |  | 44 |     protected static $resetinprogress = false;
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           |  |  | 45 |   | 
        
           |  |  | 46 |     /**
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           |  |  | 47 |      * A course reset has started.
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           |  |  | 48 |      *
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           |  |  | 49 |      * @param \core\event\base $event The event.
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           |  |  | 50 |      * @return void
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           |  |  | 51 |      */
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           |  |  | 52 |     public static function course_reset_started($event) {
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           |  |  | 53 |         self::$resetinprogress = $event->courseid;
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           |  |  | 54 |     }
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           |  |  | 55 |   | 
        
           |  |  | 56 |     /**
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           |  |  | 57 |      * A course reset has ended.
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           |  |  | 58 |      *
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           |  |  | 59 |      * @param \core\event\base $event The event.
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           |  |  | 60 |      * @return void
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           |  |  | 61 |      */
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           |  |  | 62 |     public static function course_reset_ended($event) {
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           |  |  | 63 |         if (!empty(self::$resetinprogress)) {
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           |  |  | 64 |             if (!empty($event->other['reset_options']['reset_groups_remove'])) {
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           |  |  | 65 |                 assign_process_group_deleted_in_course($event->courseid);
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           |  |  | 66 |             }
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           |  |  | 67 |         }
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           |  |  | 68 |   | 
        
           |  |  | 69 |         self::$resetinprogress = null;
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           |  |  | 70 |     }
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           |  |  | 71 |   | 
        
           |  |  | 72 |     /**
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           |  |  | 73 |      * A group was deleted.
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           |  |  | 74 |      *
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           |  |  | 75 |      * @param \core\event\base $event The event.
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           |  |  | 76 |      * @return void
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           |  |  | 77 |      */
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           |  |  | 78 |     public static function group_deleted($event) {
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           |  |  | 79 |         if (!empty(self::$resetinprogress)) {
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           |  |  | 80 |             // We will take care of that once the course reset ends.
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           |  |  | 81 |             return;
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           |  |  | 82 |         }
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           |  |  | 83 |         assign_process_group_deleted_in_course($event->courseid, $event->objectid);
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           |  |  | 84 |     }
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           |  |  | 85 | }
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