Logger para ver Nosotros

provm/common/Implementation/Logger.php

@@ -0,0 +1,67 @@
+<?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));
+  }
+}