Current File : /home/vacivi36/ava/lib/classes/analytics/indicator/any_write_action_in_course.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/>.
/**
* Write actions in a course indicator.
*
* @package core
* @copyright 2016 David Monllao {@link http://www.davidmonllao.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core\analytics\indicator;
defined('MOODLE_INTERNAL') || die();
/**
* Write actions in a course indicator.
*
* @package core
* @copyright 2016 David Monllao {@link http://www.davidmonllao.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class any_write_action_in_course extends \core_analytics\local\indicator\binary {
/**
* Returns the name.
*
* If there is a corresponding '_help' string this will be shown as well.
*
* @return \lang_string
*/
public static function get_name() : \lang_string {
return new \lang_string('indicator:anywriteincourse');
}
/**
* required_sample_data
*
* @return string[]
*/
public static function required_sample_data() {
// User is not required, calculate_sample can handle its absence.
return array('course');
}
/**
* calculate_sample
*
* @param int $sampleid
* @param string $sampleorigin
* @param int $starttime
* @param int $endtime
* @return float
*/
protected function calculate_sample($sampleid, $sampleorigin, $starttime = false, $endtime = false) {
global $DB;
if (!$logstore = \core_analytics\manager::get_analytics_logstore()) {
throw new \coding_exception('No available log stores');
}
// Filter by context to use the logstore_standard_log db table index.
$course = $this->retrieve('course', $sampleid);
$select = "courseid = :courseid AND anonymous = :anonymous AND (crud = 'c' OR crud = 'u')";
$params = array('courseid' => $course->id, 'anonymous' => '0');
if ($user = $this->retrieve('user', $sampleid)) {
$select .= " AND userid = :userid";
$params['userid'] = $user->id;
}
if ($starttime) {
$select .= " AND timecreated > :starttime";
$params['starttime'] = $starttime;
}
if ($endtime) {
$select .= " AND timecreated <= :endtime";
$params['endtime'] = $endtime;
}
$nlogs = $logstore->get_events_select_count($select, $params);
if ($nlogs) {
return self::get_max_value();
} else {
return self::get_min_value();
}
}
}
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