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<?php |
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namespace GeminiLabs\Castor\Helpers; |
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use GeminiLabs\Castor\Facades\Development as DevelopmentFacade; |
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use ReflectionClass; |
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class Log |
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{ |
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const EMERGENCY = 'emergency'; |
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const ALERT = 'alert'; |
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const CRITICAL = 'critical'; |
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const ERROR = 'error'; |
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const WARNING = 'warning'; |
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const NOTICE = 'notice'; |
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const INFO = 'info'; |
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const DEBUG = 'debug'; |
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protected $file; |
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protected $log; |
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public function __construct($filename) |
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{ |
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$this->file = $filename; |
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$this->log = file_exists($filename) |
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? file_get_contents($filename) |
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: ''; |
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} |
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public function __toString() |
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{ |
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return $this->log; |
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} |
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/** |
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* Action must be taken immediately. |
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* Example: Entire website down, database unavailable, etc. This should |
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* trigger the SMS alerts and wake you up. |
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* |
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* @param string $message |
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* @param array $context |
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* @return void |
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*/ |
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public function alert($message, array $context = []) |
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{ |
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$this->log(static::ALERT, $message, $context); |
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} |
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/** |
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* @return void |
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*/ |
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public function clear() |
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{ |
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$this->log = ''; |
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file_put_contents($this->file, $this->log); |
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} |
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/** |
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* Critical conditions. |
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* Example: Application component unavailable, unexpected exception. |
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* |
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* @param string $message |
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* @param array $context |
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* @return void |
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*/ |
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public function critical($message, array $context = []) |
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{ |
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$this->log(static::CRITICAL, $message, $context); |
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} |
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/** |
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* Detailed debug information. |
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* |
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* @param string $message |
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* @param array $context |
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* @return void |
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*/ |
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public function debug($message, array $context = []) |
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{ |
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$this->log(static::DEBUG, $message, $context); |
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} |
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/** |
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* System is unusable. |
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* |
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* @param string $message |
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* @param array $context |
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* @return void |
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*/ |
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public function emergency($message, array $context = []) |
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{ |
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$this->log(static::EMERGENCY, $message, $context); |
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} |
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/** |
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* Runtime errors that do not require immediate action but should typically |
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* be logged and monitored. |
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* |
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* @param string $message |
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* @param array $context |
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* @return void |
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*/ |
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public function error($message, array $context = []) |
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{ |
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$this->log(static::ERROR, $message, $context); |
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} |
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/** |
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* Interesting events. |
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* Example: User logs in, SQL logs. |
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* |
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* @param string $message |
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* @param array $context |
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* @return void |
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*/ |
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public function info($message, array $context = []) |
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{ |
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$this->log(static::INFO, $message, $context); |
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} |
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/** |
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* Normal but significant events. |
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* |
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* @param string $message |
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* @param array $context |
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* @return void |
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*/ |
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public function notice($message, array $context = []) |
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{ |
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$this->log(static::NOTICE, $message, $context); |
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} |
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/** |
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* Exceptional occurrences that are not errors. |
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* Example: Use of deprecated APIs, poor use of an API, undesirable things |
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* that are not necessarily wrong. |
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* |
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* @param string $message |
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* @param array $context |
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* @return void |
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*/ |
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public function warning($message, array $context = []) |
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{ |
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$this->log(static::WARNING, $message, $context); |
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} |
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/** |
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* @param string $message |
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* @param array $context |
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* @return array|string |
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*/ |
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protected function interpolate($message, array $context = []) |
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{ |
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if (is_array($message)) { |
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return htmlspecialchars(print_r($message, true), ENT_QUOTES, 'UTF-8'); |
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} |
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$replace = []; |
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foreach ($context as $key => $val) { |
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if (is_object($val) && 'DateTime' === get_class($val)) { |
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$val = $val->format('Y-m-d H:i:s'); |
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} elseif (is_object($val) || is_array($val)) { |
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$val = json_encode($val); |
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} elseif (is_resource($val)) { |
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$val = (string) $val; |
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} |
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$replace['{'.$key.'}'] = $val; |
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} |
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return strtr($message, $replace); |
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} |
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/** |
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* @param mixed $level |
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* @param string $message |
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* @param array $context |
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* @return void |
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*/ |
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protected function log($level, $message, array $context = []) |
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{ |
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if (!in_array($level, (new ReflectionClass(__NAMESPACE__.'\Log'))->getConstants(), true) |
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|| !DevelopmentFacade::isDev() |
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) { |
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return; |
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} |
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$date = get_date_from_gmt(gmdate('Y-m-d H:i:s')); |
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$level = strtoupper($level); |
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$message = $this->interpolate($message, $context); |
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$entry = "[$date] $level: $message".PHP_EOL; |
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file_put_contents($this->file, $entry, FILE_APPEND | LOCK_EX); |
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} |
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} |
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