<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/

declare(strict_types=1);

namespace Magento\Framework\App\Action\Plugin;

use Magento\Framework\App\Action\Action;
use Magento\Framework\App\ActionFlag;
use Magento\Framework\App\ActionInterface;
use Magento\Framework\App\Request\Http;
use Magento\Framework\App\RequestInterface;
use Magento\Framework\Controller\ResultInterface;
use Magento\Framework\Event\ManagerInterface;
use Magento\Framework\HTTP\PhpEnvironment\Response;
use Magento\Framework\Profiler;

/**
* Dispatch the controller_action_predispatch and controller_action_post_dispatch events.
*/
class EventDispatchPlugin
{
/**
* @var Http|RequestInterface
*/
private $request;

/**
* @var ManagerInterface
*/
private $eventManager;

/**
* @var ActionFlag
*/
private $actionFlag;

/**
* @param RequestInterface $request
* @param ManagerInterface $eventManager
* @param ActionFlag $actionFlag
*/
public function __construct(RequestInterface $request, ManagerInterface $eventManager, ActionFlag $actionFlag)
{
$this->request = $request;
$this->eventManager = $eventManager;
$this->actionFlag = $actionFlag;
}

/**
* Trigger the controller_action_predispatch events
*
* @param ActionInterface $subject
*/
public function beforeExecute(ActionInterface $subject)
{
$this->dispatchPreDispatchEvents($subject);
}

/**
* Build the event parameter array
*
* @param ActionInterface $subject
* @return array
*/
private function getEventParameters(ActionInterface $subject): array
{
return ['controller_action' => $subject, 'request' => $this->request];
}

/**
* Trigger the controller_action_postdispatch events if the suppressing action flag is not set
*
* @param ActionInterface $subject
* @param ResultInterface|Response|null $result
* @return ResultInterface|Response|null
*/
public function afterExecute(ActionInterface $subject, $result)
{
if (!$this->isSetActionNoPostDispatchFlag()) {
$this->dispatchPostDispatchEvents($subject);
}

return $result;
}

/**
* Check if action flags are set that would suppress the post dispatch events.
*
* @return bool
*/
private function isSetActionNoPostDispatchFlag(): bool
{
return $this->actionFlag->get('', Action::FLAG_NO_DISPATCH) ||
$this->actionFlag->get('', Action::FLAG_NO_POST_DISPATCH);
}

/**
* Dispatch the controller_action_predispatch events.
*
* @param ActionInterface $action
*/
private function dispatchPreDispatchEvents(ActionInterface $action)
{
$this->eventManager->dispatch('controller_action_predispatch', $this->getEventParameters($action));
$this->eventManager->dispatch(
'controller_action_predispatch_' . $this->request->getRouteName(),
$this->getEventParameters($action)
);
$this->eventManager->dispatch(
'controller_action_predispatch_' . $this->request->getFullActionName(),
$this->getEventParameters($action)
);
}

/**
* Dispatch the controller_action_postdispatch events.
*
* @param ActionInterface $action
*/
private function dispatchPostDispatchEvents(ActionInterface $action)
{
Profiler::start('postdispatch');
$this->eventManager->dispatch(
'controller_action_postdispatch_' . $this->request->getFullActionName(),
$this->getEventParameters($action)
);
$this->eventManager->dispatch(
'controller_action_postdispatch_' . $this->request->getRouteName(),
$this->getEventParameters($action)
);
$this->eventManager->dispatch('controller_action_postdispatch', $this->getEventParameters($action));
Profiler::stop('postdispatch');
}
}