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opensourcepos/app/Events/Db_log.php
objecttothis ba9bcd7786 PHPdocs
- Added missing PHPdocs
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2024-06-15 17:19:15 +02:00

81 lines
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PHP

<?php
namespace App\Events;
use Config\Database;
use Config\App;
class Db_log
{
private App $config;
/**
* @return void
*/
public function db_log_queries(): void
{
$this->config = config('App');
if($this->config->db_log_enabled)
{
$filepath = WRITEPATH . 'logs/Query-log-' . date('Y-m-d') . '.log';
$handle = fopen($filepath, "a+");
$message = $this->generate_message();
if(strlen($message) > 0)
{
fwrite($handle, $message . "\n\n");
}
// Close the file
fclose($handle);
}
}
/**
* @return string
*/
private function generate_message(): string
{
$db = Database::connect();
$last_query = $db->getLastQuery();
$affected_rows = $db->affectedRows();
$execution_time = $this->convert_time($last_query->getDuration());
$message = '*** Query: ' . date('Y-m-d H:i:s T') . ' *******************'
. "\n" . $last_query->getQuery()
. "\n Affected rows: $affected_rows"
. "\n Execution Time: " . $execution_time['time'] . ' ' . $execution_time['unit'];
$long_query = ($execution_time['unit'] === 's') && ($execution_time['time'] > 0.5);
if($long_query)
{
$message .= ' [LONG RUNNING QUERY]';
}
return $this->config->db_log_only_long && !$long_query ? '' : $message;
}
/**
* @param float $time
* @return array
*/
private function convert_time(float $time): array
{
$unit = 's';
if($time <= 0.1 && $time > 0.0001)
{
$time = $time * 1000;
$unit = 'ms';
}
elseif($time <= 0.0001)
{
$time = $time * 1000000;
$unit = 'µs';
}
return ['time' => $time, 'unit' => $unit];
}
}