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105 lines
3.4 KiB
105 lines
3.4 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Automatic fix online time procedure. If a COURSEMANAGER has been idle for $timeLimit
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* or more then the procedure adds $extraTime to his logout_course_date.
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* @package chamilo.cron
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* @author Imanol Losada <imanol.losada@beeznest.com>
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*/
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require_once __DIR__ . '/../inc/global.inc.php';
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/**
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* Get ids of COURSEMANAGERs that are inside a course right now
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* @return array COURSEMANAGER's ids
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*/
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function getTeachersInCourseIds()
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{
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$table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ONLINE);
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$joinStatement = ' JOIN ' . Database::get_main_table(TABLE_MAIN_USER) . ' ON login_user_id = user_id';
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return Database::select(
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'login_user_id', $table . $joinStatement,
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array(
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'where' => array(
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'c_id IS NOT NULL AND status = ?' => array(
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COURSEMANAGER
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)
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)
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)
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);
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}
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/**
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* If a COURSEMANAGER has been idle for $timeLimit or more then
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* the procedure adds $extraTime to his logout_course_date.
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* @param array COURSEMANAGER's ids
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* @return void
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*/
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function updateTeachersInCourseIdleForTimeLimit($teachersInCourseIds)
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{
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$timeLimit = '- 30 minute';
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$extraTime = '+ 5 minute';
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$utcResult = Database::fetch_array(
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Database::query('SELECT UTC_TIMESTAMP')
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);
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$dataBaseCurrentHour = array_shift($utcResult);
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$maximumIdleTimeInCourse = date(
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'Y-m-d H:i:s',
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strtotime($dataBaseCurrentHour . ' ' . $timeLimit)
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);
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$table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
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$onLineTrackTable = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ONLINE);
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foreach ($teachersInCourseIds as $key => $value) {
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$value = array_shift($value);
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$logResult = Database::select(
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'course_access_id,logout_course_date',
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$table,
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array(
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'where' => array(
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'user_id = ?' => array(
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$value,
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)
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),
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'order' => 'course_access_id DESC',
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'limit' => '1'
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)
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);
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$currentTeacherData = array_shift($logResult);
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Database::update(
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$table,
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array(
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'logout_course_date' => date(
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'Y-m-d H:i:s',
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strtotime($currentTeacherData['logout_course_date'] . ' ' . $extraTime)
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)
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),
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array(
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'user_id = ? AND logout_course_date < ? AND course_access_id = ?' => array(
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$value,
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$maximumIdleTimeInCourse,
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$currentTeacherData['course_access_id']
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)
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)
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);
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/*
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* (Avoid multiple updates)
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* When the user enters a course, this field is updated with the course code.
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* And when the user goes to another tool, returns to NULL
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*/
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$userId = intval($value);
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$updateOnLineSql = "UPDATE $onLineTrackTable SET "
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. "c_id = NULL "
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. "WHERE login_user_id = $userId";
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Database::query($updateOnLineSql);
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}
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}
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/**
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* Initialization
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*/
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if (php_sapi_name() != 'cli') {
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exit; //do not run from browser
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}
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$teachersInCourseIds = getTeachersInCourseIds();
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if (!empty($teachersInCourseIds)) {
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updateTeachersInCourseIdleForTimeLimit($teachersInCourseIds);
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}
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