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<?php |
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/* |
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* LogLaddy |
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* |
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* I carry a log – yes. Is it funny to you? It is not to me. |
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* Behind all things are reasons. Reasons can even explain the absurd. |
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* |
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* LogLaddy manages error reporting |
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* PSR-3 Compliant, with a NICE bonus |
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*/ |
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namespace HexMakina\LogLaddy; |
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// Debugger |
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use Psr\Log\LogLevel; |
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use HexMakina\Debugger\Debugger; |
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use HexMakina\BlackBox\StateAgentInterface; |
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class LogLaddy extends \Psr\Log\AbstractLogger |
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{ |
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private $state_agent = null; |
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private static $level_mapping = null; |
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public function __construct(StateAgentInterface $agent = null) |
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{ |
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$this->state_agent = $agent; |
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$this->setHandlers(); |
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} |
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public function setHandlers() |
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{ |
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set_error_handler([$this, 'errorHandler']); |
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set_exception_handler([$this, 'exceptionHandler']); |
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} |
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public function restoreHandlers() |
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{ |
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restore_error_handler(); |
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restore_exception_handler(); |
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} |
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/* |
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* handler for errors |
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* use set_error_handler([$instance, 'errorHandler']); |
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*/ |
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public function errorHandler($level, $message, $file = '', $line = 0) |
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{ |
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$loglevel = self::mapErrorLevelToLogLevel($level); |
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$this->{$loglevel}($message); |
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} |
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/* |
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* static handlers for throwables, |
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* use set_exception_handler([$instance, 'exceptionHandler']); |
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*/ |
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public function exceptionHandler(\Throwable $throwable) |
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{ |
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$this->critical($throwable->getMessage(), ['exception' => $throwable]); |
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} |
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public function log($level, $message, array $context = []) |
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{ |
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switch ($level) { |
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case LogLevel::DEBUG: |
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Debugger::visualDump($message, $level, true); |
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break; |
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case LogLevel::INFO: |
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case LogLevel::NOTICE: |
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case LogLevel::WARNING: |
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if (is_null($this->state_agent)) { |
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Debugger::visualDump($context, $message, true); |
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} else { |
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$this->state_agent->addMessage($level, $message, $context); |
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} |
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break; |
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default: |
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if(isset($context['exception']) && $context['exception'] instanceof \Throwable){ |
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Debugger::visualDump($context['exception'], 'Uncaught '.get_class($context['exception']), true); |
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} |
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else |
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Debugger::visualDump($message, $level, true); |
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http_response_code(500); |
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break; |
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} |
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} |
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// -- Error level mapping from \Psr\Log\LogLevel.php & http://php.net/manual/en/errorfunc.constants.php |
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/** Error level meaning , from \Psr\Log\LogLevel.php |
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* const EMERGENCY = 'emergency'; |
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* // System is unusable. |
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* const ALERT = 'alert'; |
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* // Action must be taken immediately, Example: Entire website down, database unavailable, etc. |
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* const CRITICAL = 'critical'; |
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* // Application component unavailable, unexpected exception. |
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* const ERROR = 'error'; |
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* // Run time errors that do not require immediate action |
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* const WARNING = 'warning'; |
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* // Exceptional occurrences that are not errors, undesirable things that are not necessarily wrong |
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* const NOTICE = 'notice'; |
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* // Normal but significant events. |
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* const INFO = 'info'; |
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* // Interesting events. User logs in, SQL logs. |
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* const DEBUG = 'debug'; |
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* // Detailed debug information. |
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*/ |
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private static function mapErrorLevelToLogLevel($level): string |
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{ |
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// http://php.net/manual/en/errorfunc.constants.php |
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if (is_null(self::$level_mapping)) { |
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self::$level_mapping = |
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array_fill_keys([E_ERROR, E_PARSE, E_CORE_ERROR, E_COMPILE_ERROR, E_USER_ERROR, E_RECOVERABLE_ERROR], LogLevel::ALERT) |
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+ array_fill_keys([E_WARNING, E_CORE_WARNING, E_COMPILE_WARNING, E_USER_WARNING], LogLevel::CRITICAL) |
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+ array_fill_keys([E_NOTICE, E_USER_NOTICE], LogLevel::ERROR) |
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+ array_fill_keys([E_STRICT,E_DEPRECATED,E_USER_DEPRECATED,E_ALL], LogLevel::DEBUG); |
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} |
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if (!isset(self::$level_mapping[$level])) { |
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throw new \Exception(__FUNCTION__ . "($level): $level is unknown"); |
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} |
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return self::$level_mapping[$level]; |
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} |
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} |
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HexMakina /
LogLaddy
