app/Service/EventSubscriber/MainRequestProfileSubscriber.php line 45

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  1. <?php
  3. namespace Sq\Service\EventSubscriber;
  5. use Sq\Event\Kernel\InitialiseContainerEvent;
  6. use Sq\Service\Profiler\ProfilerInterface;
  7. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  8. use Symfony\Component\HttpKernel\Event;
  9. use Symfony\Component\HttpKernel\KernelEvents;
  11. class MainRequestProfileSubscriber implements EventSubscriberInterface
  12. {
  13.     /** @var \Sq\Service\Profiler\ProfilerInterface */
  14.     private $profiler;
  16.     /** @var \Sq\Entity\Profiler\ProfileInterface */
  17.     private $mainProfile;
  19.     /**
  20.      * @param \Sq\Service\Profiler\ProfilerInterface $profiler
  21.      */
  22.     public function __construct(ProfilerInterface $profiler)
  23.     {
  24.         $this->profiler = $profiler;
  25.     }
  27.     /** @inheritDoc */
  28.     public static function getSubscribedEvents()
  29.     {
  30.         return [
  31.             InitialiseContainerEvent::class => ['onInitializeContainer'],
  32.             // For the request and controller events, set the priority really low so that they are executed after the
  33.             // route and controller information has been calculated by first-party Symfony event listeners/subscribers.
  34.             KernelEvents::REQUEST => ['onRequest', -64],
  35.             KernelEvents::CONTROLLER => ['onController', -64],
  36.             KernelEvents::TERMINATE => ['onTerminate'],
  37.         ];
  38.     }
  40.     /**
  41.      * Start profiling the "main" application as soon as the container has been initialized.
  42.      *
  43.      * @param \Sq\Event\Kernel\InitialiseContainerEvent $event
  44.      */
  45.     public function onInitializeContainer(InitialiseContainerEvent $event): void
  46.     {
  47.         $this->mainProfile = $this->profiler->start('main');
  48.     }
  50.     /**
  51.      * When the route has been determined, add that and information about the request to the main profile.
  52.      *
  53.      * @param \Symfony\Component\HttpKernel\Event\RequestEvent $event
  54.      */
  55.     public function onRequest(Event\RequestEvent $event): void
  56.     {
  57.         if ($this->mainProfile !== null)
  58.         {
  59.             $request = $event->getRequest();
  60.             $this->mainProfile->addDataField('request_method', $request->getMethod());
  61.             $this->mainProfile->addDataField('request_uri', $request->getPathInfo());
  62.             $this->mainProfile->addDataField('query_string', $request->getQueryString() ?? "");
  63.             $this->mainProfile->addDataField('route_name', $request->attributes->get('_route', ''));
  64.             $this->mainProfile->addDataField('route_params', json_encode($request->attributes->get('_route_params', [])));
  65.         }
  66.     }
  68.     /**
  69.      * When the controller has been determined, add that information to the main profile.
  70.      *
  71.      * @param \Symfony\Component\HttpKernel\Event\ControllerEvent $event
  72.      */
  73.     public function onController(Event\ControllerEvent $event): void
  74.     {
  75.         if ($this->mainProfile !== null)
  76.         {
  77.             $request = $event->getRequest();
  78.             $this->mainProfile->addDataField('controller', $request->attributes->get('_controller', ''));
  79.         }
  80.     }
  82.     /**
  83.      * Stop profiling when the kernel terminates, instead of when the PHP script ends, for accuracy.
  84.      *
  85.      * @param \Symfony\Component\HttpKernel\Event\TerminateEvent $event
  86.      */
  87.     public function onTerminate(Event\TerminateEvent $event): void
  88.     {
  89.         if ($this->mainProfile !== null)
  90.         {
  91.             $this->mainProfile->stop();
  92.         }
  93.     }
  94. }