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73 lines
2.5 KiB
73 lines
2.5 KiB
2 years ago
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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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/**
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* Extension to show an error message if the selected predictor is not available.
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*
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* @package core_analytics
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* @copyright 2017 David Monllao {@link http://www.davidmonllao.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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namespace core_analytics;
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defined('MOODLE_INTERNAL') || die();
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require_once(__DIR__ . '/../../lib/adminlib.php');
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/**
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* Extension to show an error message if the selected predictor is not available.
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*
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* @package core_analytics
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* @copyright 2017 David Monllao {@link http://www.davidmonllao.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 admin_setting_predictor extends \admin_setting_configselect {
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/**
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* Save a setting
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*
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* @param string $data
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* @return string empty of error string
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*/
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public function write_setting($data) {
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if (!$this->load_choices() or empty($this->choices)) {
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return '';
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}
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if (!array_key_exists($data, $this->choices)) {
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return '';
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}
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// Calling it here without checking if it is ready because we check it below and show it as a controlled case.
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$selectedprocessor = \core_analytics\manager::get_predictions_processor($data, false);
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$isready = $selectedprocessor->is_ready();
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if ($isready !== true) {
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return get_string('errorprocessornotready', 'analytics', $isready);
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}
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$currentvalue = get_config('analytics', 'predictionsprocessor');
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if (!empty($currentvalue) && $currentvalue != str_replace('\\\\', '\\', $data)) {
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// Clear all models data.
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$models = \core_analytics\manager::get_all_models();
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foreach ($models as $model) {
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$model->clear();
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}
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}
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return ($this->config_write($this->name, $data) ? '' : get_string('errorsetting', 'admin'));
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}
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}
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