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| 1 | <?php |
| 2 | // This file is part of Moodle - https://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 <https://www.gnu.org/licenses/>. |
| 16 | |
| 17 | namespace tool_autoflow; |
| 18 | |
| 19 | use tool_autoflow\local\runner; |
| 20 | use tool_autoflow\local\workflow_store; |
| 21 | |
| 22 | /** |
| 23 | * Starts workflows whose trigger is the event that just happened. |
| 24 | * |
| 25 | * This sees every event on the site, so it does one cached lookup and returns. |
| 26 | * The run happens later in an ad hoc task, never inside the user's request. |
| 27 | * |
| 28 | * @package tool_autoflow |
| 29 | * @copyright 2026 DevLMS <contact@devlms.com> |
| 30 | * @license https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later |
| 31 | */ |
| 32 | class observer { |
| 33 | /** |
| 34 | * Queue the workflows for this event. |
| 35 | * |
| 36 | * @param \core\event\base $event |
| 37 | */ |
| 38 | public static function handle(\core\event\base $event): void { |
| 39 | global $CFG; |
| 40 | if (during_initial_install() || !empty($CFG->upgraderunning)) { |
| 41 | return; |
| 42 | } |
| 43 | $ids = workflow_store::workflows_for_event($event->eventname); |
| 44 | if (!$ids) { |
| 45 | return; |
| 46 | } |
| 47 | // An event fired by a running workflow starts the next level of the chain. |
| 48 | $current = runner::current_depth(); |
| 49 | $depth = $current === null ? 0 : $current + 1; |
| 50 | $data = $event->get_data(); |
| 51 | foreach ($ids as $id) { |
| 52 | runner::queue($id, $data, 'event', $depth); |
| 53 | } |
| 54 | } |
| 55 | } |