public function AutocompleteDeluxeController::handleAutocomplete in Autocomplete Deluxe 8

Same name and namespace in other branches

1. 2.0.x src/Controller/AutocompleteDeluxeController.php \Drupal\autocomplete_deluxe\Controller\AutocompleteDeluxeController::handleAutocomplete()

Autocomplete the label of an entity.

Parameters

\Symfony\Component\HttpFoundation\Request $request: The request object that contains the typed tags.

string $target_type: The ID of the target entity type.

string $selection_handler: The plugin ID of the entity reference selection handler.

string $selection_settings_key: The hashed key of the key/value entry that holds the selection handler settings.

Return value

\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.

Overrides EntityAutocompleteController::handleAutocomplete

1 string reference to 'AutocompleteDeluxeController::handleAutocomplete'

autocomplete_deluxe.routing.yml in ./autocomplete_deluxe.routing.yml

autocomplete_deluxe.routing.yml

File

src/Controller/AutocompleteDeluxeController.php, line 21

Class

AutocompleteDeluxeController

Defines a route controller for entity autocomplete form elements.

Namespace

Drupal\autocomplete_deluxe\Controller

Code

public function handleAutocomplete(Request $request, $target_type, $selection_handler, $selection_settings_key) {
  $matches = [];

  // Get the typed string from the URL, if it exists.
  $input = trim($request->query
    ->get('q'));
  if (!empty($input)) {
    $typed_string = Tags::explode($input);
    $typed_string = array_pop($typed_string);
  }
  else {

    // Select without entering something.
    $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);
  $items = [];
  foreach ($matches as $item) {
    $items[$item['value']] = $item['label'];
  }
  $matches = $items;
  return new JsonResponse($matches);
}