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<?php
namespace Mautic\CoreBundle\Model;
use Mautic\CoreBundle\Entity\TranslationEntityInterface;
use Mautic\LeadBundle\Entity\Lead;
use Symfony\Component\HttpFoundation\Request;
/**
* Provides helper methods for determine the requested language from contact's profile and/or request.
*/
trait TranslationModelTrait
{
/**
* Get the entity based on requested translation.
*
* @param Lead|array|null $lead
*
* @return array[$parentEntity, TranslationEntityInterface $entity]
*/
public function getTranslatedEntity(TranslationEntityInterface $entity, $lead = null, Request $request = null): array
{
[$translationParent, $translationChildren] = $entity->getTranslations();
$leadPreference = $chosenLanguage = null;
if (count($translationChildren)) {
if ($translationParent) {
$translationChildren = $translationParent->getTranslationChildren();
} else {
$translationParent = $entity;
}
// Generate a list of translations
$translations = [$translationParent->getId() => $translationParent->getLanguage()];
foreach ($translationChildren as $c) {
$translations[$c->getId()] = $c->getLanguage();
}
// Generate a list of translations for this entity
$translationList = [];
foreach ($translations as $id => $language) {
$core = $this->getTranslationLocaleCore($language);
if (!isset($translationList[$core])) {
$translationList[$core] = [];
}
$translationList[$core][$language] = $id;
}
// Get the contact's preferred language if defined
$languageList = [];
$leadPreference = null;
if ($lead) {
if ($lead instanceof Lead) {
$languageList[$leadPreference] = $lead->getPreferredLocale();
} elseif (is_array($lead) && isset($lead['preferred_locale'])) {
$languageList[$leadPreference] = $lead['preferred_locale'];
}
}
// Check request for language
if (null !== $request) {
$browserLanguages = $request->server->get('HTTP_ACCEPT_LANGUAGE');
if (!empty($browserLanguages)) {
$browserLanguages = explode(',', $browserLanguages);
foreach ($browserLanguages as $language) {
if (($pos = strpos($language, ';q=')) !== false) {
// remove weights
$language = substr($language, 0, $pos + 1);
}
// change - to _
$language = str_replace('-', '_', $language);
if (!isset($languageList[$language])) {
$languageList[$language] = $language;
}
}
}
}
$matchFound = false;
$preferredCore = false;
foreach ($languageList as $language) {
$core = $this->getTranslationLocaleCore($language);
if (isset($translationList[$core])) {
// Does the dialect exist?
if (isset($translationList[$core][$language])) {
// There's a match
$matchFound = $translationList[$core][$language];
$chosenLanguage = $language;
break;
} elseif (!$preferredCore) {
// This will be the fallback if no matches are found
$preferredCore = $core;
}
}
}
if ($matchFound) {
// A translation was found based on language preference
$entity = ($matchFound == $translationParent->getId()) ? $translationParent : $translationChildren[$matchFound];
} elseif ($preferredCore) {
// Return the best matching language
$bestMatch = array_values($translationList[$preferredCore])[0];
$entity = ($bestMatch == $translationParent->getId()) ? $translationParent : $translationChildren[$bestMatch];
$chosenLanguage = $preferredCore;
}
}
// Save the preferred language to the lead's profile
if (!$leadPreference && !empty($chosenLanguage) && $lead instanceof Lead) {
$lead->addUpdatedField('preferred_locale', $chosenLanguage);
}
// Return the translation parent and translated entity
return [$translationParent, $entity];
}
/**
* Run post saving a translation aware entity.
*/
public function postTranslationEntitySave(TranslationEntityInterface $entity): void
{
// If parent, add this entity as a child of the parent so that it populates the list in the tab (due to Doctrine hanging on to entities in memory)
if ($translationParent = $entity->getTranslationParent()) {
$translationParent->addTranslationChild($entity);
}
}
/**
* @return string
*/
protected function getTranslationLocaleCore($locale)
{
if (str_contains($locale, '_')) {
$locale = substr($locale, 0, 2);
}
return $locale;
}
}
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