/**
* 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];
}
/**
* get next level configs
*
* @param ConfigEntity $config config instance
* @return array
*/
public function children(ConfigEntity $config)
{
$descendants = $this->repo->fetchDescendant($config->siteKey, $config->name);
$children = [];
/** @var ConfigEntity $descendant */
foreach ($descendants as $descendant) {
if ($descendant->getDepth() == $config->getDepth() + 1) {
$children[] = $this->build($descendant);
}
}
return $children;
}
