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<?php |
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/** |
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* This File is Part of the Validus Translation package. |
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* |
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* @copyright (c) 2018 Validus <https://github.com/ValidusPHP/> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Validus\Translation; |
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use InvalidArgumentException; |
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use Psr\Container\ContainerInterface; |
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use Symfony\Component\Translation\Formatter\MessageFormatter; |
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use Symfony\Component\Translation\Translator; |
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use Symfony\Component\Translation\TranslatorInterface; |
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use function array_merge; |
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use function is_string; |
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class TranslatorFactory |
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{ |
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/** |
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* @param ContainerInterface $container |
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* |
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* @return TranslatorInterface |
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*/ |
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public function __invoke(ContainerInterface $container): TranslatorInterface |
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{ |
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$config = $container->has('config') ? $container->get('config') : []; |
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$debug = $config['debug'] ?? true; |
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$config = $this->getTranslationConfig($config); |
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$formatter = $container->has($config['formatter']) ? $container->get($config['formatter']) : new $config['formatter'](); |
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$cache = $debug ? null : $config['cache_dir']; |
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$translator = new Translator($config['locale'], $formatter, $cache, $debug); |
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$this->addLoaders($container, $translator, $config['loaders']); |
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$this->addResources($translator, $config['resources']); |
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$translator->setFallbackLocales($config['fallback']); |
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$translator->setLocale($config['locale']); |
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return $translator; |
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} |
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/** |
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* Add resources to the given translator instance. |
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* |
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* @param Translator $translator |
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* @param array $resources |
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*/ |
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protected function addResources(Translator $translator, array $resources = []): void |
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{ |
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foreach ($resources as $id => $resource) { |
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if (!isset($resource['format'])) { |
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throw new InvalidArgumentException("resource format is missing from resources configuration#{$id}."); |
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} |
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if (!isset($resource['resource'])) { |
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throw new InvalidArgumentException("resource is missing from resources configuration#{$id}."); |
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} |
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$resource['locale'] = $resource['locale'] ?? $config['locale'] ?? 'en'; |
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$resource['domain'] = $resource['domain'] ?? 'messages'; |
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$translator->addResource($resource['format'], $resource['resource'], $resource['locale'], $resource['domain']); |
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} |
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} |
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/** |
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* Add loaders to the given translator instance. |
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* |
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* @param ContainerInterface $container |
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* @param Translator $translator |
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* @param array $loaders |
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*/ |
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protected function addLoaders(ContainerInterface $container, Translator $translator, array $loaders = []): void |
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{ |
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foreach ($loaders as $format => $loader) { |
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if (is_string($loader)) { |
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$loader = $container->has($loader) ? $container->get($loader) : new $loader(); |
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} |
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$translator->addLoader($format, $loader); |
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} |
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} |
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/** |
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* @param array $config |
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* |
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* @return array |
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*/ |
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protected function getTranslationConfig(array $config): array |
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{ |
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return array_merge([ |
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'locale' => 'en', |
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'cache_dir' => null, |
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'fallback' => [], |
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'formatter' => MessageFormatter::class, |
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'loaders' => [], |
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'resources' => [], |
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], $config['translation'] ?? []); |
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} |
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} |
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ValidusPHP /
translation
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