Files
KI/provm/common/Implementation/Logger.php
2020-06-10 22:50:04 -04:00

68 lines
2.2 KiB
PHP

<?php
namespace ProVM\Common\Implementation;
use Psr\Log\LoggerInterface;
use Psr\Log\LogLevel;
use Carbon\Carbon;
class Logger implements LoggerInterface {
protected $output_file;
public function __construct(string $filename) {
if (!file_exists($filename)) {
$f = fopen($filename, 'c');
fclose($f);
}
if (!file_exists($filename)) {
throw new \Exception('Can not create log file.');
}
$this->output_file = $filename;
}
public function emergency($message, array $context = []) {
return $this->log(LogLevel::EMERGENCY, $message, $context);
}
public function alert($message, array $context = []) {
return $this->log(LogLevel::ALERT, $message, $context);
}
public function critical($message, array $context = []) {
return $this->log(LogLevel::CRITICAL, $message, $context);
}
public function error($message, array $context = []) {
return $this->log(LogLevel::ERROR, $message, $context);
}
public function warning($message, array $context = []) {
return $this->log(LogLevel::WARNING, $message, $context);
}
public function notice($message, array $context = []) {
return $this->log(LogLevel::NOTICE, $message, $context);
}
public function info($message, array $context = []) {
return $this->log(LogLevel::INFO, $message, $context);
}
public function debug($message, array $context = []) {
return $this->log(LogLevel::DEBUG, $message, $context);
}
public function log($level, $message, array $context = []) {
$refl = new \ReflectionClass(LogLevel::class);
$levels = $refl->getConstants();
if (array_search($level, array_values($levels)) === false) {
throw new \InvalidArgumentException('Invalid log level.');
}
$f = Carbon::now('America/Santiago');
$output = [
'time' => $f->format('Y-m-d H:i:s,v'),
'message' => $message
];
if (count($context) > 0) {
$output['context'] = $context;
}
$data = json_decode(trim(file_get_contents($this->output_file)));
if ($data === null) {
$data = [];
}
$data []= $output;
file_put_contents($this->output_file, json_encode($data, \JSON_PRETTY_PRINT | \JSON_UNESCAPED_SLASHES | \JSON_UNESCAPED_UNICODE));
}
}