/**
* Update the locale of a route if $id starts with the prefix and has a
* valid locale right after.
*
* @param Route $doc The route object
* @param string $id The id (in move case, this is not the current
* id of $route).
* @param DocumentManager $dm The document manager to get locales from if
* the setAvailableTranslations option is
* enabled.
* @param boolean $force Whether to update the locale even if the
* route already has a locale.
*/
protected function updateLocale(Route $doc, $id, DocumentManager $dm, $force = false)
{
$matches = array();
// only update if the prefix matches, to allow for more than one
// listener and more than one route root.
if (!preg_match('#(' . implode('|', $this->getPrefixes()) . ')/([^/]+)(/|$)#', $id, $matches)) {
return;
}
if (in_array($locale = $matches[2], $this->locales)) {
if ($force || !$doc->getDefault('_locale')) {
$doc->setDefault('_locale', $locale);
}
if ($force || !$doc->getRequirement('_locale')) {
$doc->setRequirement('_locale', $locale);
}
} else {
if ($this->addLocalePattern) {
$doc->setOption('add_locale_pattern', true);
}
if ($this->updateAvailableTranslations && $dm->isDocumentTranslatable($doc) && !$doc->getRequirement('_locale')) {
$locales = $dm->getLocalesFor($doc, true);
$doc->setRequirement('_locale', implode('|', $locales));
}
}
}