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LoggingTranslator.php
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LoggingTranslator.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Translation;
use Psr\Log\LoggerInterface;
use Symfony\Component\Translation\Exception\InvalidArgumentException;
use Symfony\Contracts\Translation\LocaleAwareInterface;
use Symfony\Contracts\Translation\TranslatorInterface;
/**
* @author Abdellatif Ait boudad <a.aitboudad@gmail.com>
*/
class LoggingTranslator implements TranslatorInterface, TranslatorBagInterface, LocaleAwareInterface
{
private TranslatorInterface $translator;
private LoggerInterface $logger;
/**
* @param TranslatorInterface&TranslatorBagInterface&LocaleAwareInterface $translator The translator must implement TranslatorBagInterface
*/
public function __construct(TranslatorInterface $translator, LoggerInterface $logger)
{
if (!$translator instanceof TranslatorBagInterface || !$translator instanceof LocaleAwareInterface) {
throw new InvalidArgumentException(sprintf('The Translator "%s" must implement TranslatorInterface, TranslatorBagInterface and LocaleAwareInterface.', get_debug_type($translator)));
}
$this->translator = $translator;
$this->logger = $logger;
}
public function trans(?string $id, array $parameters = [], ?string $domain = null, ?string $locale = null): string
{
$trans = $this->translator->trans($id = (string) $id, $parameters, $domain, $locale);
$this->log($id, $domain, $locale);
return $trans;
}
/**
* @return void
*/
public function setLocale(string $locale)
{
$prev = $this->translator->getLocale();
$this->translator->setLocale($locale);
if ($prev === $locale) {
return;
}
$this->logger->debug(sprintf('The locale of the translator has changed from "%s" to "%s".', $prev, $locale));
}
public function getLocale(): string
{
return $this->translator->getLocale();
}
public function getCatalogue(?string $locale = null): MessageCatalogueInterface
{
return $this->translator->getCatalogue($locale);
}
public function getCatalogues(): array
{
return $this->translator->getCatalogues();
}
/**
* Gets the fallback locales.
*/
public function getFallbackLocales(): array
{
if ($this->translator instanceof Translator || method_exists($this->translator, 'getFallbackLocales')) {
return $this->translator->getFallbackLocales();
}
return [];
}
/**
* @return mixed
*/
public function __call(string $method, array $args)
{
return $this->translator->{$method}(...$args);
}
/**
* Logs for missing translations.
*/
private function log(string $id, ?string $domain, ?string $locale): void
{
$domain ??= 'messages';
$catalogue = $this->translator->getCatalogue($locale);
if ($catalogue->defines($id, $domain)) {
return;
}
if ($catalogue->has($id, $domain)) {
$this->logger->debug('Translation use fallback catalogue.', ['id' => $id, 'domain' => $domain, 'locale' => $catalogue->getLocale()]);
} else {
$this->logger->warning('Translation not found.', ['id' => $id, 'domain' => $domain, 'locale' => $catalogue->getLocale()]);
}
}
}

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