/**
* Constructor.
*
* @param Router $router
* @param EventDispatcherInterface $events
* @param string $cache
* @param string $file
*/
public function __construct(Router $router, EventDispatcherInterface $events, $cache, $file = '%s.cache')
{
$this->router = $router;
$this->cache = $cache;
$this->file = $file;
$events->on('request', function ($event, $request) {
$this->route = $request->attributes->get('_route');
});
}
/**
* Logs the current user out.
*
* @return Response
*/
public function logout()
{
$event = $this->events->trigger(new LogoutEvent(AuthEvents::LOGOUT, $this->user));
$this->user = null;
$this->session->invalidate();
return $event->getResponse();
}
/**
* {@inheritdoc}
*/
public function register(View $view)
{
$view->on('render', function ($event) {
$name = $event->getTemplate();
if (isset($this->placeholder[$name])) {
$this->deferred[$name] = clone $event;
$event->setResult($this->placeholder[$name]);
$event->stopPropagation();
}
}, 15);
$this->events->on('response', function ($e, $request, $response) use($view) {
foreach ($this->deferred as $name => $event) {
$view->trigger($event->setName($name), [$view]);
$response->setContent(str_replace($this->placeholder[$name], $event->getResult(), $response->getContent()));
}
}, 10);
}
/**
* Subscribes model lifecycle callbacks.
*
* @param Metadata $metadata
*/
protected function subscribe(Metadata $metadata)
{
foreach ($metadata->getEvents() as $event => $methods) {
foreach ($methods as $method) {
$this->events->on($metadata->getEventPrefix() . '.' . $event, [$metadata->getClass(), $method]);
}
}
}
/**
* {@inheritdoc}
*/
public function render($name, array $parameters = [])
{
$event = new ViewEvent('render', $name);
$event->setParameters(array_replace($this->globals, end($this->parameters) ?: [], $parameters));
$this->events->trigger($event, [$this]);
if (!$event->isPropagationStopped()) {
$name = preg_replace('/\\.php$/i', '', $name);
$this->events->trigger($event->setName($name), [$this]);
}
$result = $event->getResult();
$params = $this->parameters[] = $event->getParameters();
if ($result === null && $this->engine->supports($event->getTemplate())) {
$result = $this->engine->render($event->getTemplate(), array_replace(['params' => new ArrObject($params)], $params));
}
array_pop($this->parameters);
return $result;
}
/**
* Handles the exception event.
*
* @param \Exception $e
* @return Response
* @throws \Exception
*/
protected function handleException(\Exception $e)
{
$event = new ExceptionEvent('exception', $this, $e);
$this->events->trigger($event, [$this->getRequest()]);
$e = $event->getException();
if (!$event->hasResponse()) {
throw $e;
}
$response = $event->getResponse();
if (!$response->isClientError() && !$response->isServerError() && !$response->isRedirect()) {
if ($e instanceof HttpException) {
$response->setStatusCode($e->getCode());
} else {
$response->setStatusCode(500);
}
}
try {
return $this->handleResponse($response);
} catch (\Exception $e) {
return $response;
}
}
/**
* Dispatches an event to all registered listeners.
*
* @param string $name
* @param Metadata $metadata
* @param array $arguments
* @return bool
*/
public function trigger($name, Metadata $metadata, array $arguments)
{
$this->events->trigger("{$metadata->getEventPrefix()}.{$name}", $arguments);
}
/**
* Adds a route.
*
* @param Route $route
*/
protected function addRoute($route)
{
$this->routes->add($route->getName(), $route);
$this->events->trigger('route.configure', [$route, $this->routes]);
}
/**
* Sets a callback to act after a route is executed.
*
* @param string $name
* @param callable $callback
* @param int $priority
*/
public function after($name, $callback, $priority)
{
$this->events->on('after' . $name, $callback, $priority);
}
/**
* Logs the current user out.
*
* @return Response
*/
public function logout()
{
$event = $this->events->trigger(new LogoutEvent(AuthEvents::LOGOUT, $this->getUser()));
$this->removeUser();
return $event->getResponse();
}
