class SingleLanguageNegotiationUrl in Single Language URL Prefix 8

Class for identifying language via URL prefix when there is single language.

Hierarchy

• class \Drupal\single_language_url_prefix\SingleLanguageNegotiationUrl implements InboundPathProcessorInterface, OutboundPathProcessorInterface

See also

\Drupal\Core\PathProcessor\PathProcessorAlias

\Drupal\language\Plugin\LanguageNegotiation\LanguageNegotiationUrl

1 string reference to 'SingleLanguageNegotiationUrl'

single_language_url_prefix.services.yml in ./single_language_url_prefix.services.yml

single_language_url_prefix.services.yml

1 service uses SingleLanguageNegotiationUrl

single_language_url_prefix.path_processor in ./single_language_url_prefix.services.yml

Drupal\single_language_url_prefix\SingleLanguageNegotiationUrl

File

src/SingleLanguageNegotiationUrl.php, line 20

Namespace

Drupal\single_language_url_prefix

class SingleLanguageNegotiationUrl implements InboundPathProcessorInterface, OutboundPathProcessorInterface {

  /**
   * An alias manager for looking up the system path.
   *
   * @var \Drupal\Core\Language\LanguageManagerInterface
   */
  protected $languageManager;

  /**
   * The configuration factory.
   *
   * @var \Drupal\Core\Config\ConfigFactoryInterface
   */
  protected $config;

  /**
   * The path matcher.
   *
   * @var \Drupal\Core\Path\PathMatcherInterface
   */
  protected $pathMatcher;

  /**
   * Excluded paths from config.
   *
   * @var null|string
   */
  protected $excludedPaths = NULL;

  /**
   * Constructs a SingleLanguageNegotiationUrl object.
   *
   * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
   *   An alias manager for looking up the system path.
   * @param \Drupal\Core\Config\ConfigFactoryInterface $config
   *   The configuration factory.
   * @param \Drupal\Core\Path\PathMatcherInterface $path_matcher
   *   Path Matcher service.
   */
  public function __construct(LanguageManagerInterface $language_manager, ConfigFactoryInterface $config, PathMatcherInterface $path_matcher) {
    $this->languageManager = $language_manager;
    $this->config = $config;
    $this->pathMatcher = $path_matcher;
  }

  /**
   * {@inheritdoc}
   */
  public function processInbound($path, Request $request) {
    $languages = $this->languageManager
      ->getLanguages();

    // We don't do anything if more then one language enabled.
    // That works by default.
    if (count($languages) > 1 || $this
      ->isPathExcluded($path)) {
      return $path;
    }
    $config = $this->config
      ->get('language.negotiation')
      ->get('url');
    $source = $config['source'] ?? '';
    if ($source === LanguageNegotiationUrl::CONFIG_PATH_PREFIX) {
      $parts = explode('/', trim($path, '/'));
      $prefix = array_shift($parts);
      $language = reset($languages);
      if (isset($config['prefixes'][$language
        ->getId()]) && $config['prefixes'][$language
        ->getId()] == $prefix) {

        // Rebuild $path with the language removed.
        $path = '/' . implode('/', $parts);
      }
    }
    return $path;
  }

  /**
   * {@inheritdoc}
   */
  public function processOutbound($path, &$options = [], Request $request = NULL, BubbleableMetadata $bubbleable_metadata = NULL) {
    $languages = $this->languageManager
      ->getLanguages();

    // We don't do anything if more then one language enabled.
    // That works by default.
    if (count($languages) > 1 || $this
      ->isPathExcluded($path)) {
      return $path;
    }
    $config = $this->config
      ->get('language.negotiation')
      ->get('url');
    $source = $config['source'] ?? '';
    if ($source === LanguageNegotiationUrl::CONFIG_PATH_PREFIX) {
      $language = reset($languages);
      if (isset($config['prefixes'][$language
        ->getId()])) {
        $options['prefix'] = $config['prefixes'][$language
          ->getId()] . '/';
      }
    }
    return $path;
  }

  /**
   * Helper function to check if current path is excluded or not.
   *
   * @param $path
   *   Path to check.
   *
   * @return bool
   *   TRUE if path is excluded.
   */
  protected function isPathExcluded($path) {
    if (!isset($this->excludedPaths)) {
      $config = $this->config
        ->get('single_language_url_prefix.settings');
      $this->excludedPaths = $config
        ->get('excluded_paths') ?? '';
    }
    if (empty($this->excludedPaths)) {
      return FALSE;
    }
    return (bool) $this->pathMatcher
      ->matchPath($path, $this->excludedPaths);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
SingleLanguageNegotiationUrl::$config	protected	property	The configuration factory.
SingleLanguageNegotiationUrl::$excludedPaths	protected	property	Excluded paths from config.
SingleLanguageNegotiationUrl::$languageManager	protected	property	An alias manager for looking up the system path.
SingleLanguageNegotiationUrl::$pathMatcher	protected	property	The path matcher.
SingleLanguageNegotiationUrl::isPathExcluded	protected	function	Helper function to check if current path is excluded or not.
SingleLanguageNegotiationUrl::processInbound	public	function	Processes the inbound path. Overrides InboundPathProcessorInterface::processInbound
SingleLanguageNegotiationUrl::processOutbound	public	function	Processes the outbound path. Overrides OutboundPathProcessorInterface::processOutbound
SingleLanguageNegotiationUrl::__construct	public	function	Constructs a SingleLanguageNegotiationUrl object.