raspisms/models/PhoneReliabilityHistory.php

96 lines
3.6 KiB
PHP

<?php
/*
* This file is part of RaspiSMS.
*
* (c) Pierre-Lin Bonnemaison <plebwebsas@gmail.com>
*
* This source file is subject to the GPL-3.0 license that is bundled
* with this source code in the file LICENSE.
*/
namespace models;
class PhoneReliabilityHistory extends StandardModel
{
/**
* Find all unreliable phones for a user, based on sended sms status, rate limit, etc.
*
* @param int $id_user : User id
* @param string $sms_status : Status of SMS to use to calculate rate
* @param float $rate_limit : Percentage of SMS matching status after which we consider the phone unreliable
* @param int $min_volume : Minimum number of sms we need to have to consider the statistic relevent
* @param int $period : The time span in minutes from which SMS counting should begin.
* @param int $grace_period : How long in minutes should we wait before including a SMS in counting
*
* @return array : A list of unreliable phone for the user, with phone id, total number of sms, and rate of failed sms
*/
public function find_unreliable_phones (int $id_user, string $sms_status, float $rate_limit, int $min_volume, int $period, int $grace_period)
{
return $this->_run_query("
WITH recent_messages AS (
SELECT
sended.id_phone AS id_phone,
COUNT(sended.id) AS total,
SUM(sended.status = :sms_status) AS unreliable
FROM
sended
JOIN
phone
ON
sended.id_phone = phone.id
LEFT JOIN
(
SELECT
id_phone,
MAX(created_at) AS last_alert_time
FROM
phone_reliability_history
WHERE
type = :sms_status
GROUP BY
id_phone
) AS last_alerts
ON
sended.id_phone = last_alerts.id_phone
WHERE
sended.id_user = :id_user
AND
phone.status != 'disabled'
AND
sended.at > IFNULL(last_alerts.last_alert_time, '1970-01-01')
AND
sended.at BETWEEN NOW() - INTERVAL :period MINUTE AND NOW() - INTERVAL :grace_period MINUTE
GROUP BY
id_phone
)
SELECT
id_phone,
total,
unreliable,
(unreliable / total) AS rate
FROM
recent_messages
WHERE
total >= :min_volume
AND
(unreliable / total) >= :rate_limit;
", [
'id_user' => $id_user,
'sms_status' => $sms_status,
'period' => $period,
'grace_period' => $grace_period,
'min_volume' => $min_volume,
'rate_limit' => $rate_limit,
]);
}
/**
* Return table name.
*/
protected function get_table_name(): string
{
return 'phone_reliability_history';
}
}