vendor/shopware/core/System/Locale/LanguageLocaleCodeProvider.php line 24
<?php declare(strict_types=1);
namespace Shopware\Core\System\Locale;
use Shopware\Core\Framework\Log\Package;
use Shopware\Core\Framework\Routing\Exception\LanguageNotFoundException;
use Shopware\Core\System\Language\LanguageLoaderInterface;
use Symfony\Contracts\Service\ResetInterface;
#[Package('system-settings')]
class LanguageLocaleCodeProvider implements ResetInterface
{
private array $languages = [];
/**
* @internal
*/
public function __construct(private readonly LanguageLoaderInterface $languageLoader)
{
}
public function getLocaleForLanguageId(string $languageId): string
{
$languages = $this->getLanguages();
if (!\array_key_exists($languageId, $languages)) {
throw new LanguageNotFoundException($languageId);
}
return $languages[$languageId]['code'];
}
/**
* @param array<string> $languageIds
*/
public function getLocalesForLanguageIds(array $languageIds): array
{
$languages = $this->getLanguages();
$requestedLanguages = array_intersect_key($languages, array_flip($languageIds));
return array_column($requestedLanguages, 'code', 'id');
}
public function reset(): void
{
$this->languages = [];
}
private function getLanguages(): array
{
if (\count($this->languages) === 0) {
$this->languages = $this->resolveParentLanguages(
$this->languageLoader->loadLanguages()
);
}
return $this->languages;
}
/**
* resolves the inherited languages codes, so we have a guaranteed language code for each language id
* we can't do it in the language loader as other places (e.g. DAL writes) expect that the translation code is unique
*/
private function resolveParentLanguages(array $languages): array
{
foreach ($languages as &$language) {
if ($language['code'] !== null || $language['parentId'] === null) {
continue;
}
$language['code'] = $languages[$language['parentId']]['code'] ?? null;
}
return $languages;
}
}