protected function hasData(array $parents)
{
$countryCode = $parents[0];
$addressFormat = $this->addressFormatRepository->get($countryCode);
$depth = $addressFormat->getSubdivisionDepth();
if ($depth == 0) {
return false;
}
// At least the first level has data.
$hasData = true;
if (count($parents) > 1) {
// After the first level it is possible for predefined subdivisions
// to exist at a given level, but not for that specific parent.
// That's why the parent definition has the most precise answer.
$grandparents = $parents;
$parentId = array_pop($grandparents);
$parentGroup = $this->buildGroup($grandparents);
if (isset($this->definitions[$parentGroup]['subdivisions'][$parentId])) {
$definition = $this->definitions[$parentGroup]['subdivisions'][$parentId];
$hasData = !empty($definition['has_children']);
} else {
// The parent definition wasn't loaded previously, fallback
// to guessing based on depth.
$neededDepth = count($parents);
$hasData = $neededDepth <= $depth;
}
}
return $hasData;
}