Current Path : C:/xampp/htdocs/moodle/analytics/classes/local/time_splitting/ |
Current File : C:/xampp/htdocs/moodle/analytics/classes/local/time_splitting/upcoming_periodic.php |
<?php // This file is part of Moodle - http://moodle.org/ // // Moodle is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Moodle is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Moodle. If not, see <http://www.gnu.org/licenses/>. /** * Time splitting method that generates predictions periodically. * * @package core_analytics * @copyright 2019 David Monllao {@link http://www.davidmonllao.com} * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ namespace core_analytics\local\time_splitting; defined('MOODLE_INTERNAL') || die(); /** * Time splitting method that generates predictions periodically. * * @package core_analytics * @copyright 2019 David Monllao {@link http://www.davidmonllao.com} * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ abstract class upcoming_periodic extends periodic implements after_now { /** * Gets the next range with start on the provided time. * * The next range is based on the upcoming period so we add this * range's periodicity to $time. * * @param \DateTimeImmutable $time * @return array */ protected function get_next_range(\DateTimeImmutable $time) { $start = $time->getTimestamp(); $end = $time->add($this->periodicity())->getTimestamp(); return [ 'start' => $start, 'end' => $end, 'time' => $start ]; } /** * Whether to cache or not the indicator calculations. * @return bool */ public function cache_indicator_calculations(): bool { return false; } /** * Overriden as these time-splitting methods are based on future dates. * * @return bool */ public function valid_for_evaluation(): bool { return false; } /** * Get the start of the first time range. * * Overwriten to start generating predictions about upcoming stuff from time(). * * @return int A timestamp. */ protected function get_first_start() { global $DB; $cache = \cache::make('core', 'modelfirstanalyses'); $key = $this->modelid . '_' . $this->analysable->get_id(); $firstanalysis = $cache->get($key); if (!empty($firstanalysis)) { return $firstanalysis; } // This analysable has not yet been analysed, the start is therefore now. return time(); } }