public function findTranslation(Block $block, $locale)
{
$source = null;
// We are checking if the node is the translation provider or translated
// from an other node
if ($block->getTranslationSource() !== null) {
$source = $block->getTranslationSource();
if ($source->getLocale() == $locale) {
return $source;
}
} else {
$source = $block;
}
return $this->createQueryBuilder('n')->addSelect('n')->andWhere('n.translationSource = :source')->andWhere('n.locale = :locale')->setParameters(['source' => $source, 'locale' => $locale])->getQuery()->getOneOrNullResult();
}
