/**
* Creates the view model.
*
* @param SystemEvent $event The system event
*/
public function __invoke(SystemEvent $event)
{
$result = $event->getResult(SystemEvent::DISPATCH);
if (false !== $result && !$result instanceof ViewModelInterface && !$result instanceof ResponseInterface) {
$model = new ViewModel($result);
$event->setResult(SystemEvent::DISPATCH, $model);
}
}
/**
* Injects the view model to Layout.
*
* @param \Es\System\SystemEvent $event The system event
*/
public function __invoke(SystemEvent $event)
{
$result = $event->getResult(SystemEvent::DISPATCH);
if ($result instanceof ViewModelInterface) {
$view = $this->getView();
$layout = $view->getLayout();
$layout->addChild($result);
}
}
/**
* Sends a response to client.
*
* @param \Es\System\SystemEvent $event The system event
*
* @throws \UnexpectedValueException If the final result of a system event
* is not PSR Response
*/
public function __invoke(SystemEvent $event)
{
$result = $event->getResult(SystemEvent::FINISH);
if (!$result instanceof ResponseInterface) {
throw new UnexpectedValueException(sprintf('The system event provided invalid final result; must be ' . 'an instance of "%s", "%s" received.', ResponseInterface::CLASS, is_object($result) ? get_class($result) : gettype($result)));
}
$server = $this->getServer();
$emitter = $server->getEmitter();
$emitter->emit($result);
}
/**
* Removes from the response of type "text/html" the blank lines.
*
* @param \Es\System\SystemEvent $event The system event
*/
public function __invoke(SystemEvent $event)
{
$result = $event->getResult(SystemEvent::FINISH);
if ($result instanceof ResponseInterface) {
$contentType = $result->getHeaderLine('Content-Type');
if (0 === strpos($contentType, 'text/html')) {
$body = (string) $result->getBody();
$cleaned = preg_replace("#(\\s)*(\n)+(\r)*#", "\n", $body);
$stream = Stream::make($cleaned);
$event->setResult(SystemEvent::FINISH, $result->withBody($stream));
}
}
}
/**
* Injects the template name to a view model.
*
* @param \Es\System\SystemEvent $event The system event
*
* @throws \RuntimeException If the module namespace is not specified
* @throws \UnexpectedValueException If the context of system event is
* not object
*/
public function __invoke(SystemEvent $event)
{
$result = $event->getResult(SystemEvent::DISPATCH);
if ($result instanceof ViewModelInterface && !$result->getTemplate()) {
$module = $result->getModule();
if (!$module) {
throw new RuntimeException('Unable to resolve template for View Model. ' . 'The module namespace is not specified.');
}
$context = $event->getContext();
if (!is_object($context)) {
throw new UnexpectedValueException(sprintf('Invalid context of system event; must be an object, ' . '"%s" received.', gettype($context)));
}
$template = $this->resolveTemplate($context, $module);
$result->setTemplate($template);
}
}
/**
* Injects the module namespace of the dispatched controller to a view model
* and to layout.
*
* @param \Es\System\SystemEvent $event The system event
*
* @throws \UnexpectedValueException If the context of system event is
* not object
*/
public function __invoke(SystemEvent $event)
{
$context = $event->getContext();
if (!is_object($context)) {
throw new UnexpectedValueException(sprintf('Invalid context of system event; must be an object, ' . '"%s" received.', gettype($context)));
}
$module = $this->resolveModule($context);
$view = $this->getView();
$layout = $view->getLayout();
if (!$layout->getModule()) {
$layout->setModule($module);
}
$result = $event->getResult(SystemEvent::DISPATCH);
if ($result instanceof ViewModelInterface && !$result->getModule()) {
$result->setModule($module);
}
}
/**
* Creates the report about debugging dump.
*
* @param \Es\System\SystemEvent $event The system event
*/
public function __invoke(SystemEvent $event)
{
$system = $this->getSystem();
if ($system->isDevMode()) {
$result = $event->getResult(SystemEvent::FINISH);
if ($result instanceof ResponseInterface) {
$contentType = $result->getHeaderLine('Content-Type');
if (0 === strpos($contentType, 'text/html')) {
$model = $this->getModel();
$view = $this->getView();
$model['dumps'] = Debug::getDumpInstances();
$injection = $view->render($model);
$body = (string) $result->getBody();
$html = str_replace('</body>', $injection . '</body>', $body);
$stream = Stream::make($html);
$event->setResult(SystemEvent::FINISH, $result->withBody($stream));
}
}
}
}
