/**
* Returns all categories, grouped by the parent id
* @param string $locale
* @param string $fallbackLocale
* @return array
*/
private function getCategories($locale, $fallbackLocale)
{
$data = $this->getCategoryDataForLocale($locale);
if (empty($data)) {
$data = $this->getCategoryDataForLocale($fallbackLocale);
}
$result = [];
foreach ($data as $key => $grouped) {
$result[$key] = [];
foreach ($grouped as $categoryData) {
$result[$key][] = $this->hydrator->hydrateCategory($categoryData);
}
}
return $result;
}
