/**
* Add the relations for the given classMetadata. Is called by the hateoas bundle
*
* @param $object
* @param ClassMetadataInterface $classMetadata
* @return array
* @throws \Doctrine\ORM\Mapping\MappingException
*/
public function addRelations($object, ClassMetadataInterface $classMetadata)
{
if ($this->cache->contains('relations', $classMetadata->getName())) {
return $this->cache->fetch('relations', $classMetadata->getName());
}
$relations = array();
$classImplements = class_implements($classMetadata->getName());
if (in_array('uebb\\HateoasBundle\\Entity\\ResourceInterface', $classImplements)) {
$selfRoute = $this->routeResolver->resolveRouteName($classMetadata->getName(), 'getAction');
if ($selfRoute) {
$relations[] = new Hateoas\Relation('self', new Hateoas\Route($selfRoute, array('id' => 'expr(object.getId())'), false), null, array(), new Hateoas\Exclusion(null, null, null, null, 'expr(object.getId() === NULL)'));
}
if (is_subclass_of($classMetadata->getName(), 'uebb\\HateoasBundle\\Entity\\File')) {
$downloadRoute = $this->routeResolver->resolveRouteName($classMetadata->getName(), 'getDownloadAction');
$arguments = array('id' => 'expr(object.getId())');
if (in_array('uebb\\HateoasBundle\\Entity\\ImageInterface', $classImplements)) {
foreach (self::$IMAGE_ARGUMENTS as $argument) {
$arguments[$argument] = '{' . $argument . '}';
}
}
$relations[] = new Hateoas\Relation('download', new Hateoas\Route($downloadRoute, $arguments, false), null, array(), new Hateoas\Exclusion(null, null, null, null, 'expr(object.getId() === NULL)'));
}
/** @var ClassMetadata $metadata */
$metadata = $this->entityManager->getClassMetadata($classMetadata->getName());
$notExistingRoutes = array();
foreach ($metadata->getAssociationNames() as $associationName) {
$mapping = $metadata->getAssociationMapping($associationName);
$routeName = null;
if ($metadata->isSingleValuedAssociation($associationName)) {
$routeName = $this->routeResolver->resolveRouteName($mapping['targetEntity'], 'getAction');
$args = array('id' => 'expr(object.get' . ucfirst($associationName) . '().getId())');
$exclusion = new Hateoas\Exclusion(null, null, null, null, 'expr(null === object.get' . ucfirst($associationName) . '())');
} else {
$routeName = $this->routeResolver->resolveRouteName($classMetadata->getName(), 'get' . ucfirst($associationName) . 'Action');
$args = array('id' => 'expr(object.getId())');
if (!$routeName) {
$routeName = $this->routeResolver->resolveRouteName($classMetadata->getName(), 'getLinkcollection', array('rel' => $associationName));
$args['rel'] = $associationName;
}
$exclusion = null;
}
if ($routeName) {
if ($mapping['fetch'] === ClassMetadataInfo::FETCH_EAGER) {
$embedded = 'expr(object.get' . ucfirst($associationName) . '())';
} else {
$embedded = null;
}
$relations[] = new Hateoas\Relation($associationName, new Hateoas\Route($routeName, $args, false), $embedded, array(), $exclusion);
}
}
}
$this->cache->save('relations', $classMetadata->getName(), $relations);
return $relations;
}
/**
* @param String $resourceClass
* @param String $action
* @return mixed
* @throws \Doctrine\Common\Persistence\Mapping\MappingException
* @throws \Exception
*/
public function resolveRouteName($resourceClass, $action, $args = array())
{
$key = serialize(array($resourceClass, $action, $args));
if ($this->cache->contains('routes', $key)) {
return $this->cache->fetch('routes', $key);
}
foreach ($this->router->getRouteCollection()->all() as $name => $route) {
$defaults = $route->getDefaults();
$parts = explode('::', $defaults['_controller']);
if (count($parts) === 2) {
$reflection = new \ReflectionClass($parts[0]);
$defaultProperties = $reflection->getdefaultProperties();
if (is_subclass_of($parts[0], '\\uebb\\HateoasBundle\\Controller\\HateoasController') && $parts[1] === $action && $this->entityManager->getMetadataFactory()->getMetadataFor($defaultProperties['entityName'])->getName() === $resourceClass) {
if ($args === array_intersect_key($defaults, $args)) {
$this->cache->save('routes', $key, $name);
return $name;
}
}
}
}
$this->cache->save('routes', $key, null);
return null;
}