33 lines
969 B
PHP
33 lines
969 B
PHP
<?php
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namespace local_treestudyplan\task;
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require_once($CFG->dirroot.'/course/externallib.php');
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use local_treestudyplan\teachingfinder;
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class refreshteacherlist extends \core\task\scheduled_task {
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const CACHE_TIME = 4 * 60 * 60; // 2 hours
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/**
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* Return the task's name as shown in admin screens.
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*
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* @return string
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*/
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public function get_name() {
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return get_string('refreshteacherlist_name', 'local_treestudyplan');
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}
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/**
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* Execute the task.
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*/
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public function execute() {
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\mtrace("Ververs lijst met leraren");
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$teacher_ids = teachingfinder::list_teacher_ids();
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foreach($teacher_ids as $tid){
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$utime = teachingfinder::get_update_time($tid);
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if(time() - $utime > self::CACHE_TIME){
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\mtrace("Teacher {$tid} is due for a refresh of the list");
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teachingfinder::update_teaching_cache($tid);
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}
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}
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}
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} |