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<?php |
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namespace Chief\Decorators; |
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use Chief\Busses\SynchronousCommandBus; |
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use Chief\Command; |
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use Chief\CommandBus; |
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use Chief\Decorator; |
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use Psr\Log\LoggerInterface; |
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class LoggingDecorator implements Decorator |
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{ |
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use InnerBusTrait; |
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/** |
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* @var LoggerInterface |
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*/ |
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protected $logger; |
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/** |
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* @var mixed|null |
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*/ |
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protected $context; |
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/** |
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* @param LoggerInterface $logger |
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* @param mixed $context Something which is serializable that will be logged with |
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* the command execution, such as the request/session information. |
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* @param CommandBus $innerCommandBus |
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*/ |
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public function __construct(LoggerInterface $logger, $context = null, CommandBus $innerCommandBus = null) |
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{ |
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$this->logger = $logger; |
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$this->context = $context; |
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$this->setInnerBus($innerCommandBus ?: new SynchronousCommandBus()); |
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} |
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/** |
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* Execute a command |
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* |
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* @param Command $command |
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* @throws \Exception |
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* @return mixed |
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*/ |
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public function execute(Command $command) |
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{ |
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$this->log('Executing command [' . get_class($command) . ']', $command); |
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try { |
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$response = $this->innerCommandBus->execute($command); |
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} catch (\Exception $e) { |
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$message = 'Failed executing command [' . get_class($command) . ']. ' . $this->createExceptionString($e); |
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$this->log($message, $command); |
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throw $e; |
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} |
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$this->log('Successfully executed command [' . get_class($command) . ']', $command); |
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return $response; |
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} |
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protected function log($message, $command) |
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{ |
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$context = $this->context ? serialize($this->context) : null; |
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$this->logger->debug($message, ['Command' => serialize($command), 'Context' => $context]); |
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} |
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protected function createExceptionString(\Exception $e) |
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{ |
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return 'Uncaught ' . get_class($e) . '[' . $e->getMessage() . '] throw in ' . $e->getFile() . |
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' on line ' . $e->getLine() . '. Stack trace: ' . $e->getTraceAsString(); |
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} |
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} |
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adamnicholson /
Chief
