Cachet/app/Repositories/Metric/PgSqlRepository.php

114 lines
3.5 KiB
PHP

<?php
/*
* This file is part of Cachet.
*
* (c) Alt Three Services Limited
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace CachetHQ\Cachet\Repositories\Metric;
use CachetHQ\Cachet\Facades\Setting as SettingFacade;
use CachetHQ\Cachet\Models\Metric;
use DateInterval;
use Illuminate\Support\Facades\DB;
use Jenssegers\Date\Date;
class PgSqlRepository implements MetricInterface
{
/**
* The timezone the status page is showing in.
*
* @var string
*/
protected $dateTimeZone;
/**
* Creates a new instance of the metric repository.
*
* @return void
*/
public function __construct()
{
$this->dateTimeZone = SettingFacade::get('app_timezone');
}
/**
* Returns metrics for a given hour.
*
* @param \CachetHQ\Cachet\Models\Metric $metric
* @param int $hour
*
* @return int
*/
public function getPointsByHour(Metric $metric, $hour)
{
$dateTime = (new Date())->setTimezone($this->dateTimeZone);
$dateTime->sub(new DateInterval('PT'.$hour.'H'));
$hourInterval = $dateTime->format('YmdH');
// Default metrics calculations.
if (!isset($metric->calc_type) || $metric->calc_type == Metric::CALC_SUM) {
$queryType = 'sum(metric_points.value)';
} elseif ($metric->calc_type == Metric::CALC_AVG) {
$queryType = 'avg(metric_points.value)';
} else {
$queryType = 'sum(metric_points.value)';
}
$query = DB::select("select {$queryType} as aggregate FROM metrics JOIN metric_points ON metric_points.metric_id = metrics.id WHERE metric_points.metric_id = :metric_id AND to_char(metric_points.created_at, 'YYYYMMDDHH24') = :timestamp GROUP BY to_char(metric_points.created_at, 'H')", [
'metric_id' => $metric->id,
'timestamp' => $hourInterval,
]);
if (isset($query[0])) {
$value = $query[0]->aggregate;
} else {
$value = 0;
}
if ($value === 0 && $metric->default_value != $value) {
return $metric->default_value;
}
return round($value, $metric->places);
}
/**
* Returns metrics for the week.
*
* @param \CachetHQ\Cachet\Models\Metric $metric
*
* @return int
*/
public function getPointsForDayInWeek(Metric $metric, $day)
{
$dateTime = (new Date())->setTimezone($this->dateTimeZone);
$dateTime->sub(new DateInterval('P'.$day.'D'));
// Default metrics calculations.
if (!isset($metric->calc_type) || $metric->calc_type == Metric::CALC_SUM) {
$queryType = 'sum(metric_points.value)';
} elseif ($metric->calc_type == Metric::CALC_AVG) {
$queryType = 'avg(metric_points.value)';
} else {
$queryType = 'sum(metric_points.value)';
}
$query = DB::select("select {$queryType} as aggregate FROM metrics JOIN metric_points ON metric_points.metric_id = metrics.id WHERE metric_points.metric_id = {$metric->id} AND to_char(metric_points.created_at, 'YYYYMMDD') = :timestamp GROUP BY to_char(metric_points.created_at, 'YYYYMMDD')", [
'timestamp' => $hourInterval,
]);
if (isset($query[0])) {
$value = $query[0]->aggregate;
} else {
$value = 0;
}
return round($value, $metric->places);
}
}