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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 * Write actions indicator. 19 * 20 * @package core 21 * @copyright 2016 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 core\analytics\indicator; 26 27 defined('MOODLE_INTERNAL') || die(); 28 29 /** 30 * Write actions indicator. 31 * 32 * @package core 33 * @copyright 2016 David Monllao {@link http://www.davidmonllao.com} 34 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 35 */ 36 class any_write_action extends \core_analytics\local\indicator\binary { 37 38 /** 39 * Returns the name. 40 * 41 * If there is a corresponding '_help' string this will be shown as well. 42 * 43 * @return \lang_string 44 */ 45 public static function get_name() : \lang_string { 46 return new \lang_string('indicator:anywrite'); 47 } 48 49 /** 50 * required_sample_data 51 * 52 * @return string[] 53 */ 54 public static function required_sample_data() { 55 // User is not required, calculate_sample can handle its absence. 56 return array('context'); 57 } 58 59 /** 60 * calculate_sample 61 * 62 * @param int $sampleid 63 * @param string $sampleorigin 64 * @param int $starttime 65 * @param int $endtime 66 * @return float 67 */ 68 protected function calculate_sample($sampleid, $sampleorigin, $starttime = false, $endtime = false) { 69 global $DB; 70 71 $select = ''; 72 $params = array(); 73 74 if ($user = $this->retrieve('user', $sampleid)) { 75 $select .= "userid = :userid AND "; 76 $params = $params + array('userid' => $user->id); 77 } 78 79 if (!$logstore = \core_analytics\manager::get_analytics_logstore()) { 80 throw new \coding_exception('No available log stores'); 81 } 82 83 // Filter by context to use the logstore_standard_log db table index. 84 $context = $this->retrieve('context', $sampleid); 85 $select .= "contextlevel = :contextlevel AND contextinstanceid = :contextinstanceid AND " . 86 "(crud = 'c' OR crud = 'u')"; 87 $params = $params + array('contextlevel' => $context->contextlevel, 88 'contextinstanceid' => $context->instanceid); 89 90 if ($starttime) { 91 $select .= " AND timecreated > :starttime"; 92 $params['starttime'] = $starttime; 93 } 94 if ($endtime) { 95 $select .= " AND timecreated <= :endtime"; 96 $params['endtime'] = $endtime; 97 } 98 99 $nlogs = $logstore->get_events_select_count($select, $params); 100 if ($nlogs) { 101 return self::get_max_value(); 102 } else { 103 return self::get_min_value(); 104 } 105 } 106 }
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