/**
* {@inheritdoc}
*/
public function enhance(array $defaults, Request $request)
{
if (!isset($defaults[$this->target]) && isset($defaults[$this->source])) {
$defaults[$this->target] = $this->contentRepository->findById($defaults[$this->source]);
}
return $defaults;
}
/**
* Get the route based on the $name that is an object implementing
* RouteReferrersReadInterface or a content found in the content repository
* with the content_id specified in parameters that is an instance of
* RouteReferrersReadInterface.
*
* Called in generate when there is no route given in the parameters.
*
* If there is more than one route for the content, tries to find the
* first one that matches the _locale (provided in $parameters or otherwise
* defaulting to the request locale).
*
* If no route with matching locale is found, falls back to just return the
* first route.
*
* @param mixed $name
* @param array $parameters which should contain a content field containing
* a RouteReferrersReadInterface object
*
* @return SymfonyRoute the route instance
*
* @throws RouteNotFoundException if no route can be determined
*/
protected function getRouteByContent($name, &$parameters)
{
if ($name instanceof RouteReferrersReadInterface) {
$content = $name;
} elseif (isset($parameters['content_id']) && null !== $this->contentRepository) {
$content = $this->contentRepository->findById($parameters['content_id']);
if (empty($content)) {
throw new RouteNotFoundException('The content repository found nothing at id ' . $parameters['content_id']);
}
if (!$content instanceof RouteReferrersReadInterface) {
throw new RouteNotFoundException('Content repository did not return a RouteReferrersReadInterface instance for id ' . $parameters['content_id']);
}
} else {
$hint = is_object($name) ? get_class($name) : gettype($name);
throw new RouteNotFoundException("The route name argument '{$hint}' is not RouteReferrersReadInterface instance and there is no 'content_id' parameter");
}
$routes = $content->getRoutes();
if (empty($routes)) {
$hint = $this->contentRepository && $this->contentRepository->getContentId($content) ? $this->contentRepository->getContentId($content) : get_class($content);
throw new RouteNotFoundException('Content document has no route: ' . $hint);
}
unset($parameters['content_id']);
$route = $this->getRouteByLocale($routes, $this->getLocale($parameters));
if ($route) {
return $route;
}
// if none matched, randomly return the first one
if ($routes instanceof Collection) {
return $routes->first();
}
return reset($routes);
}