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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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namespace mod_bigbluebuttonbn\task;
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use core\task\adhoc_task;
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use mod_bigbluebuttonbn\recording;
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/**
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* Class containing the scheduled task for converting recordings for the BigBlueButton version 2.5 in Moodle 4.0.
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*
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* @package mod_bigbluebuttonbn
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* @copyright 2021 Jesus Federico, Blindside Networks Inc <jesus at blindsidenetworks dot com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class reset_recordings extends adhoc_task {
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/** @var int Chunk size to use when resetting recordings */
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protected static $chunksize = 100;
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/**
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* Run the migration task.
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*/
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public function execute() {
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if ($this->process_reset_recordings()) {
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\core\task\manager::queue_adhoc_task(new static());
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}
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}
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/**
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* Process all bigbluebuttonbn_recordings looking for entries which should be reset to be fetched again.
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*
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* @return bool Whether any more recodgins are waiting to be processed
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*/
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protected function process_reset_recordings(): bool {
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global $DB;
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$classname = static::class;
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mtrace("Executing {$classname}...");
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// Read a block of recordings to be updated.
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$recs = $this->get_recordngs_to_reset();
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if (empty($recs)) {
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mtrace("No recordings were found for reset...");
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// No more logs. Stop queueing.
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return false;
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}
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// Reset status of {chunksize} recordings.
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mtrace("Reset status of " . self::$chunksize . " recordings...");
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$sql = "UPDATE {bigbluebuttonbn_recordings}
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SET status = :status_reset
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WHERE id = " . implode(' OR id = ', array_keys($recs));
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$DB->execute($sql,
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['status_reset' => recording::RECORDING_STATUS_RESET]
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);
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return true;
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}
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/**
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* Get the list of recordings to be reset.
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*
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* @return array
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*/
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protected function get_recordngs_to_reset(): array {
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global $DB;
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return $DB->get_records_sql(
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'SELECT * FROM {bigbluebuttonbn_recordings}
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WHERE status = :status_processed OR status = :status_notified
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ORDER BY timecreated DESC', [
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'status_processed' => recording::RECORDING_STATUS_PROCESSED,
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'status_notified' => recording::RECORDING_STATUS_NOTIFIED
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],
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0,
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self::$chunksize
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);
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}
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}
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