/**
* get cached data
*
* @param string $siteKey site key
* @param string $head root name
* @return array
*/
protected function getData($siteKey, $head)
{
$key = $this->makeKey($siteKey, $head);
if (!isset($this->bag[$key])) {
$cacheKey = $this->getCacheKey($key);
if (!($data = $this->cache->get($cacheKey))) {
if (!($config = $this->repo->find($siteKey, $head))) {
return [];
}
$descendant = $this->repo->fetchDescendant($siteKey, $head);
$data = array_merge([$config], $descendant);
$this->cache->put($cacheKey, $data);
}
$this->bag[$key] = $data;
}
return $this->bag[$key];
}
/**
* Move entity hierarchy to new parent or root
*
* @param ConfigEntity $config config object
* @param string|null $to parent name
* @return ConfigEntity
* @throws InvalidArgumentException
* @throws NoParentException
*/
public function move(ConfigEntity $config, $to = null)
{
if ($to !== null && $this->repo->find($config->siteKey, $to) === null) {
throw new InvalidArgumentException(['arg' => $to]);
}
$parent = $config->getParent();
if ($parent === null) {
if ($config->getDepth() !== 1) {
throw new NoParentException();
}
$this->repo->affiliate($config, $to);
} else {
$this->repo->foster($config, $to);
}
$arrName = explode('.', $config->name);
$key = array_pop($arrName);
if ($to !== null) {
$key = $to . '.' . $key;
}
return $this->get($key, false, $config->siteKey);
}