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Long Term Support Release
1 <?php 2 // This file is part of Moodle - http://moodle.org/ 3 // 4 // Moodle is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // Moodle is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 16 17 /** 18 * Train system models with new data available. 19 * 20 * @package tool_analytics 21 * @copyright 2017 David Monllao {@link http://www.davidmonllao.com} 22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 23 */ 24 25 namespace tool_analytics\task; 26 27 defined('MOODLE_INTERNAL') || die(); 28 29 /** 30 * Train system models with new data available. 31 * 32 * @package tool_analytics 33 * @copyright 2017 David Monllao {@link http://www.davidmonllao.com} 34 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 35 */ 36 class train_models extends \core\task\scheduled_task { 37 38 /** 39 * get_name 40 * 41 * @return string 42 */ 43 public function get_name() { 44 return get_string('trainmodels', 'tool_analytics'); 45 } 46 47 /** 48 * Executes the prediction task. 49 * 50 * @return void 51 */ 52 public function execute() { 53 global $OUTPUT, $PAGE; 54 55 if (!\core_analytics\manager::is_analytics_enabled()) { 56 mtrace(get_string('analyticsdisabled', 'analytics')); 57 return; 58 } 59 60 $models = \core_analytics\manager::get_all_models(true); 61 if (!$models) { 62 mtrace(get_string('errornoenabledmodels', 'tool_analytics')); 63 return; 64 } 65 66 foreach ($models as $model) { 67 68 if ($model->is_static()) { 69 // Skip models based on assumptions. 70 continue; 71 } 72 73 if (!$model->get_time_splitting()) { 74 // Can not train if there is no time splitting method selected. 75 continue; 76 } 77 78 $renderer = $PAGE->get_renderer('tool_analytics'); 79 80 $result = $model->train(); 81 82 // Reset the page as some indicators may call external functions that overwrite the page context. 83 \tool_analytics\output\helper::reset_page(); 84 85 if ($result) { 86 echo $OUTPUT->heading(get_string('modelresults', 'tool_analytics', $model->get_name())); 87 echo $renderer->render_get_predictions_results($result, $model->get_analyser()->get_logs()); 88 } 89 } 90 } 91 }
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