/**
* Autocomplete the label of an entity.
*
* @param \Symfony\Component\HttpFoundation\Request $request
* The request object that contains the typed tags.
* @param string $target_type
* The ID of the target entity type.
* @param string $selection_handler
* The plugin ID of the entity reference selection handler.
* @param string $selection_settings_key
* The hashed key of the key/value entry that holds the selection handler
* settings.
*
* @return \Symfony\Component\HttpFoundation\JsonResponse
* The matched entity labels as a JSON response.
*
* @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
* Thrown if the selection settings key is not found in the key/value store
* or if it does not match the stored data.
*/
public function handleAutocomplete(Request $request, $target_type, $selection_handler, $selection_settings_key)
{
$matches = array();
// Get the typed string from the URL, if it exists.
if ($input = $request->query->get('q')) {
$typed_string = Tags::explode($input);
$typed_string = Unicode::strtolower(array_pop($typed_string));
// Selection settings are passed in as a hashed key of a serialized array
// stored in the key/value store.
$selection_settings = $this->keyValue->get($selection_settings_key, FALSE);
if ($selection_settings !== FALSE) {
$selection_settings_hash = Crypt::hmacBase64(serialize($selection_settings) . $target_type . $selection_handler, Settings::getHashSalt());
if ($selection_settings_hash !== $selection_settings_key) {
// Disallow access when the selection settings hash does not match the
// passed-in key.
throw new AccessDeniedHttpException('Invalid selection settings key.');
}
} else {
// Disallow access when the selection settings key is not found in the
// key/value store.
throw new AccessDeniedHttpException();
}
$matches = $this->matcher->getMatches($target_type, $selection_handler, $selection_settings, $typed_string);
}
return new JsonResponse($matches);
}
/**
* Filters out already executed update functions by module.
*
* @param string $module
* The module name.
*/
public function filterOutInvokedUpdatesByModule($module)
{
$existing_update_functions = $this->keyValue->get('existing_updates', []);
$remaining_update_functions = array_filter($existing_update_functions, function ($function_name) use($module) {
return strpos($function_name, "{$module}_{$this->updateType}_") !== 0;
});
$this->keyValue->set('existing_updates', array_values($remaining_update_functions));
}
/**
* Executes a callback.
*
* @param \Drupal\feeds\FeedInterface $feeds_feed
* The Feed we are executing a job for.
* @param \Symfony\Component\HttpFoundation\Request $request
* The request object to grab POST params from.
*
* @todo Configure a time limit.
* @todo Really awesome error handling.
*/
public function execute(FeedInterface $feeds_feed, Request $request)
{
$cid = 'feeds_feed:' . $feeds_feed->id();
if ($token = $request->request->get('token') && ($job = $this->state->get($cid))) {
if ($job['token'] == $token && ($lock = $this->lockBackend->acquire($cid))) {
$method = $job['method'];
$this->state->delete($cid);
ignore_user_abort(TRUE);
set_time_limit(0);
while ($feeds_feed->{$method}() != StateInterface::BATCH_COMPLETE) {
// Reset static caches in between runs to avoid memory leaks.
drupal_reset_static();
}
$this->lockBackend->release($cid);
}
}
}
/**
* {@inheritdoc}
*/
public function getLastInstalledFieldStorageDefinitions($entity_type_id)
{
return $this->installedDefinitions->get($entity_type_id . '.field_storage_definitions', array());
}
