/**
* @param Repo $repo
* @param array $rels
* @param string $parent
*/
private function joinNestedRels(Repo $repo, array $rels, $parent)
{
foreach ($rels as $name => $childRels) {
$rel = $repo->getRelOrError($name);
$rel->join($this, $parent);
if ($childRels) {
$this->joinNestedRels($rel->getRepo(), $childRels, $name);
}
}
}
