Sleepness/UberTranslationBundle

<?php

namespace Sleepness\UberTranslationBundle\Translation\Loader;

use Sleepness\UberTranslationBundle\Storage\UberMemcached;
use Symfony\Component\Translation\Loader\LoaderInterface;
use Symfony\Component\Translation\Exception\InvalidResourceException;
use Symfony\Component\Translation\MessageCatalogue;

/**
 * Load messages from memcache and push them into catalogue
 *
 * @author Viktor Novikov <viktor.novikov95@gmail.com>
 * @author Alexandr Zhulev <alexandrzhulev@gmail.com>
 */
class MemcachedLoader implements LoaderInterface
{
    private $memcached;

    /**
     * @param UberMemcached $memcached
     */
    public function setUberMemcached(UberMemcached $memcached)
    {
        $this->memcached = $memcached;
    }

    /**
     * {@inheritdoc}
     */
    public function load($resource, $locale, $domain = 'messages')
    {
        $resource = $this->memcached;
        $messagesOfDomain = $resource->getItem($locale);
        // no messages in cache
        if (!isset($messagesOfDomain[$domain])) {
            $messages = array();
        } else {
            $messages = $messagesOfDomain[$domain];
        }
        if (!is_array($messages)) {
            throw new InvalidResourceException(sprintf('The resource "%s" must contain an array.', $resource));
        }
        $catalogue = new MessageCatalogue($locale);
        foreach ($messages as $ymlKey => $translation) {
            $catalogue->set($ymlKey, $translation, $domain);
        }
        $catalogue->addResource($resource);

        return $catalogue;
    }
}