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class SuggestionController in Autocomplete Search Suggestions 8.2

Same name and namespace in other branches
  1. 8 src/Controller/SuggestionController.php \Drupal\suggestion\Controller\SuggestionController
  2. 3.0.x src/Controller/SuggestionController.php \Drupal\suggestion\Controller\SuggestionController

Suggestion menu callback.

Hierarchy

Expanded class hierarchy of SuggestionController

File

src/Controller/SuggestionController.php, line 14

Namespace

Drupal\suggestion\Controller
View source
class SuggestionController extends ControllerBase {

  /**
   * AJAX search autocomplete callback.
   *
   * @param Symfony\Component\HttpFoundation\Request $request
   *   The Request object.
   *
   * @return object
   *   A JSON response of search suggestions.
   */
  public function autoComplete(Request $request) {
    $cfg = Helper::getConfig();
    $json = [];
    $language = $this
      ->languageManager()
      ->getCurrentLanguage()
      ->getId();
    $txt = preg_replace([
      '/^[^a-z]+/u',
      '/[^a-z]+$/u',
    ], [
      '',
      ' ',
    ], mb_strtolower($request->query
      ->get('q')));
    if (strlen($txt) < $cfg->min) {
      return new JsonResponse([]);
    }

    // UTF-8 safe word count.
    $count = count(preg_split('/\\s+/', $txt)) + 2;
    $atoms = $count < $cfg->atoms_min ? $cfg->atoms_min + 2 : $count + 2;
    $ngram = Storage::like($txt) . '%';
    $suggestions = Storage::getAutocomplete($ngram, $atoms, $cfg->limit, $language);
    if (count($suggestions) < $cfg->limit) {
      $suggestions += Storage::getAutocomplete('%' . $ngram, $atoms, $cfg->limit - count($suggestions), $language);
    }
    foreach ($suggestions as $suggestion) {
      $json[] = [
        'value' => $suggestion,
        'label' => $suggestion,
      ];
    }
    return new JsonResponse($json);
  }

}

Members

Namesort descending Modifiers Type Description Overrides
ControllerBase::$configFactory protected property The configuration factory.
ControllerBase::$currentUser protected property The current user service. 1
ControllerBase::$entityFormBuilder protected property The entity form builder.
ControllerBase::$entityManager protected property The entity manager.
ControllerBase::$entityTypeManager protected property The entity type manager.
ControllerBase::$formBuilder protected property The form builder. 2
ControllerBase::$keyValue protected property The key-value storage. 1
ControllerBase::$languageManager protected property The language manager. 1
ControllerBase::$moduleHandler protected property The module handler. 2
ControllerBase::$stateService protected property The state service.
ControllerBase::cache protected function Returns the requested cache bin.
ControllerBase::config protected function Retrieves a configuration object.
ControllerBase::container private function Returns the service container.
ControllerBase::create public static function Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create 40
ControllerBase::currentUser protected function Returns the current user. 1
ControllerBase::entityFormBuilder protected function Retrieves the entity form builder.
ControllerBase::entityManager Deprecated protected function Retrieves the entity manager service.
ControllerBase::entityTypeManager protected function Retrieves the entity type manager.
ControllerBase::formBuilder protected function Returns the form builder service. 2
ControllerBase::keyValue protected function Returns a key/value storage collection. 1
ControllerBase::languageManager protected function Returns the language manager service. 1
ControllerBase::moduleHandler protected function Returns the module handler. 2
ControllerBase::redirect protected function Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
ControllerBase::state protected function Returns the state storage service.
LinkGeneratorTrait::$linkGenerator protected property The link generator. 1
LinkGeneratorTrait::getLinkGenerator Deprecated protected function Returns the link generator.
LinkGeneratorTrait::l Deprecated protected function Renders a link to a route given a route name and its parameters.
LinkGeneratorTrait::setLinkGenerator Deprecated public function Sets the link generator service.
LoggerChannelTrait::$loggerFactory protected property The logger channel factory service.
LoggerChannelTrait::getLogger protected function Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory public function Injects the logger channel factory.
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
RedirectDestinationTrait::$redirectDestination protected property The redirect destination service. 1
RedirectDestinationTrait::getDestinationArray protected function Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination protected function Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination public function Sets the redirect destination service.
StringTranslationTrait::$stringTranslation protected property The string translation service. 1
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.
SuggestionController::autoComplete public function AJAX search autocomplete callback.
UrlGeneratorTrait::$urlGenerator protected property The url generator.
UrlGeneratorTrait::getUrlGenerator Deprecated protected function Returns the URL generator service.
UrlGeneratorTrait::setUrlGenerator Deprecated public function Sets the URL generator service.
UrlGeneratorTrait::url Deprecated protected function Generates a URL or path for a specific route based on the given parameters.