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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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namespace tool_task\check;
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use action_link;
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use core\check\check;
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use core\check\result;
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use moodle_url;
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/**
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* Ad hoc queue checks
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*
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* @package tool_task
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* @copyright 2020 Brendan Heywood (brendan@catalyst-au.net)
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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 adhocqueue extends check {
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/**
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* Return result
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* @return result
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*/
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public function get_result(): result {
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global $DB, $CFG;
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$stats = $DB->get_record_sql('
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SELECT count(*) cnt,
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MAX(? - nextruntime) age
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FROM {task_adhoc}', [time()]);
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$status = result::OK;
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$summary = get_string('adhocempty', 'tool_task');
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$details = '';
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if ($stats->cnt > 0) {
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// A large queue size by itself is not an issue, only when tasks
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// are not being processed in a timely fashion is it an issue.
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$status = result::INFO;
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$summary = get_string('adhocqueuesize', 'tool_task', $stats->cnt);
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}
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$max = $CFG->adhoctaskagewarn ?? 10 * MINSECS;
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if ($stats->age > $max) {
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$status = result::WARNING;
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$summary = get_string('adhocqueueold', 'tool_task', [
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'age' => format_time($stats->age),
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'max' => format_time($max),
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]);
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}
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$max = $CFG->adhoctaskageerror ?? 4 * HOURSECS;
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if ($stats->age > $max) {
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$status = result::ERROR;
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$summary = get_string('adhocqueueold', 'tool_task', [
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'age' => format_time($stats->age),
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'max' => format_time($max),
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]);
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}
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return new result($status, $summary, $details);
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}
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/**
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* Link to the Ad hoc tasks report
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*
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* @return action_link|null
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*/
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public function get_action_link(): ?action_link {
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return new action_link(
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new moodle_url('/admin/tool/task/adhoctasks.php'),
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get_string('adhoctasks', 'tool_task'),
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);
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}
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}
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