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