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<?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/>.
/**
* Test target.
*
* @package core_analytics
* @copyright 2018 David Monllaó {@link http://www.davidmonllao.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once(__DIR__ . '/test_site_users_analyser.php');
/**
* Test target.
*
* @package core_analytics
* @copyright 2018 David Monllaó {@link http://www.davidmonllao.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class test_target_site_users extends \core_analytics\local\target\binary {
/**
* Returns a lang_string object representing the name for the indicator.
*
* Used as column identificator.
*
* If there is a corresponding '_help' string this will be shown as well.
*
* @return \lang_string
*/
public static function get_name() : \lang_string {
// Using a string that exists and contains a corresponding '_help' string.
return new \lang_string('adminhelplogs');
}
/**
* predictions
*
* @var array
*/
protected $predictions = array();
/**
* get_analyser_class
*
* @return string
*/
public function get_analyser_class() {
return 'test_site_users_analyser';
}
/**
* Everything yep, this is just for testing.
*
* @param \core_analytics\local\time_splitting\base $timesplitting
* @return bool
*/
public function can_use_timesplitting(\core_analytics\local\time_splitting\base $timesplitting): bool {
return true;
}
/**
* classes_description
*
* @return string[]
*/
public static function classes_description() {
return array(
'firstname first char is A',
'firstname first char is not A'
);
}
/**
* We don't want to discard results.
* @return float
*/
protected function min_prediction_score() {
return null;
}
/**
* We don't want to discard results.
* @return array
*/
public function ignored_predicted_classes() {
return array();
}
/**
* is_valid_analysable
*
* @param \core_analytics\analysable $analysable
* @param bool $fortraining
* @return bool
*/
public function is_valid_analysable(\core_analytics\analysable $analysable, $fortraining = true) {
// This is testing, let's make things easy.
return true;
}
/**
* is_valid_sample
*
* @param int $sampleid
* @param \core_analytics\analysable $analysable
* @param bool $fortraining
* @return bool
*/
public function is_valid_sample($sampleid, \core_analytics\analysable $analysable, $fortraining = true) {
// We skip not-visible courses during training as a way to emulate the training data / prediction data difference.
// In normal circumstances is_valid_sample will return false when they receive a sample that can not be
// processed.
if (!$fortraining) {
return true;
}
$sample = $this->retrieve('user', $sampleid);
if ($sample->lastname == 'b') {
return false;
}
return true;
}
/**
* calculate_sample
*
* @param int $sampleid
* @param \core_analytics\analysable $analysable
* @param int $starttime
* @param int $endtime
* @return float
*/
protected function calculate_sample($sampleid, \core_analytics\analysable $analysable, $starttime = false, $endtime = false) {
$sample = $this->retrieve('user', $sampleid);
$firstchar = substr($sample->firstname, 0, 1);
if ($firstchar === 'a') {
return 1;
} else {
return 0;
}
}
}