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<?php |
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/* |
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* Copyright (c) Nate Brunette. |
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* Distributed under the MIT License (http://opensource.org/licenses/MIT) |
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*/ |
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namespace Tebru\Retrofit\Subscriber; |
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use Psr\Log\LoggerInterface; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Tebru\Retrofit\Event\AfterSendEvent; |
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use Tebru\Retrofit\Event\ApiExceptionEvent; |
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/** |
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* Class LogSubscriber |
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* |
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* @author Nate Brunette <[email protected]> |
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*/ |
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class LogSubscriber implements EventSubscriberInterface |
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{ |
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/** |
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* @var LoggerInterface |
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*/ |
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private $logger; |
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/** |
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* Constructor |
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* |
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* @param LoggerInterface $logger |
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*/ |
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public function __construct(LoggerInterface $logger) |
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{ |
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$this->logger = $logger; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function getSubscribedEvents() |
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{ |
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return [ |
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AfterSendEvent::NAME => 'onAfterSend', |
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ApiExceptionEvent::NAME => 'onApiException', |
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]; |
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} |
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/** |
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* Log the request and response if it exists |
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* |
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* @param AfterSendEvent $event |
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*/ |
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public function onAfterSend(AfterSendEvent $event) |
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{ |
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$request = $event->getRequest(); |
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$response = $event->getResponse(); |
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$log['request'] = [ |
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'method' => $request->getMethod(), |
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'uri' => rawurldecode((string) $request->getUri()), |
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'headers' => $request->getHeaders(), |
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'body' => (string) $request->getBody(), |
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]; |
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if (null !== $response) { |
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$log['response'] = [ |
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'statusCode' => $response->getStatusCode(), |
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'reasonPhrase' => $response->getReasonPhrase(), |
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'body' => (string) $response->getBody(), |
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'headers' => $response->getHeaders(), |
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]; |
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} |
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$this->logger->debug('Sent Request', $log); |
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} |
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/** |
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* Log an api exception with the request |
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* |
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* @param ApiExceptionEvent $event |
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*/ |
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public function onApiException(ApiExceptionEvent $event) |
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{ |
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$request = $event->getRequest(); |
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$exception = $event->getException(); |
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$this->logger->error('Request Exception', [ |
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'request' => [ |
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'method' => $request->getMethod(), |
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'uri' => rawurldecode((string) $request->getUri()), |
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'headers' => $request->getHeaders(), |
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'body' => (string) $request->getBody(), |
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], |
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'exception' => $exception, |
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]); |
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} |
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} |
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Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code.
Let’s take a look at an example:
As you can see in this example, the array
$myArray
is initialized the first time when the foreach loop is entered. You can also see that the value of thebar
key is only written conditionally; thus, its value might result from a previous iteration.This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization $myArray = array() either outside or inside the foreach loop.