Acme\App\Infrastructure\TemplateEngine\Twig\Extension\SourceCode\ControllerSubscriber

Complexity

Total Complexity

4

Size/Duplication

Total Lines	29
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	getSubscribedEvents()	0	6	1
A	registerCurrentController()	0	9	2

<?php

declare(strict_types=1);

/*
 * This file is part of the Explicit Architecture POC,
 * which is created on top of the Symfony Demo application.
 *
 * (c) Herberto Graça <herberto.graca@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Acme\App\Infrastructure\TemplateEngine\Twig\Extension\SourceCode;

use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
use Symfony\Component\HttpKernel\KernelEvents;

/**
 * Defines the method that 'listens' to the 'kernel.controller' event, which is
 * triggered whenever a controller is executed in the application.
 *
 * @author Ryan Weaver <weaverryan@gmail.com>
 * @author Javier Eguiluz <javier.eguiluz@gmail.com>
 */
class ControllerSubscriber implements EventSubscriberInterface
{
    /**
     * @var SourceCodeExtension
     */
    private $twigExtension;

    public function __construct(SourceCodeExtension $twigExtension)
    {
        $this->twigExtension = $twigExtension;
    }

    public static function getSubscribedEvents(): array
    {
        return [
            KernelEvents::CONTROLLER => 'registerCurrentController',
        ];
    }

    public function registerCurrentController(FilterControllerEvent $event): void
    {
        // this check is needed because in Symfony a request can perform any
        // number of sub-requests. See
        // https://symfony.com/doc/current/components/http_kernel/introduction.html#sub-requests
        if ($event->isMasterRequest()) {
            $this->twigExtension->setController($event->getController());
        }
    }
}