class PathAliasExists

Provides a 'Path alias exists' condition.

@todo Add access callback information from Drupal 7.

Plugin annotation


@Condition(
  id = "rules_path_alias_exists",
  label = @Translation("Path alias exists"),
  category = @Translation("Path"),
  provider = "path_alias",
  context_definitions = {
    "alias" = @ContextDefinition("string",
      label = @Translation("Path alias"),
      description = @Translation("Specify the path alias to check for. For example, '/about' for an about page.")
    ),
    "language" = @ContextDefinition("language",
      label = @Translation("Language"),
      description = @Translation("If specified, the language for which the URL alias applies."),
      options_provider = "\Drupal\rules\TypedData\Options\LanguageOptions",
      default_value = NULL,
      required = FALSE
    ),
  }
)

Hierarchy

Expanded class hierarchy of PathAliasExists

File

src/Plugin/Condition/PathAliasExists.php, line 36

Namespace

Drupal\rules\Plugin\Condition
View source 
class PathAliasExists extends RulesConditionBase implements ContainerFactoryPluginInterface {
    
    /**
     * The alias manager service.
     *
     * @var \Drupal\path_alias\AliasManagerInterface
     */
    protected $aliasManager;
    
    /**
     * Constructs a PathAliasExists object.
     *
     * @param array $configuration
     *   A configuration array containing information about the plugin instance.
     * @param string $plugin_id
     *   The plugin ID for the plugin instance.
     * @param mixed $plugin_definition
     *   The plugin implementation definition.
     * @param \Drupal\path_alias\AliasManagerInterface $alias_manager
     *   The alias manager service.
     */
    public function __construct(array $configuration, $plugin_id, $plugin_definition, AliasManagerInterface $alias_manager) {
        parent::__construct($configuration, $plugin_id, $plugin_definition);
        $this->aliasManager = $alias_manager;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
        return new static($configuration, $plugin_id, $plugin_definition, $container->get('path_alias.manager'));
    }
    
    /**
     * Check if a path alias exists.
     *
     * @param string $alias
     *   The alias to see if exists.
     * @param \Drupal\Core\Language\LanguageInterface|null $language
     *   The language to use.
     *
     * @return bool
     *   TRUE if the system path does not match the given alias (ie: the alias
     *   exists).
     */
    protected function doEvaluate($alias, LanguageInterface $language = NULL) {
        $langcode = is_null($language) ? NULL : $language->getId();
        $path = $this->aliasManager
            ->getPathByAlias($alias, $langcode);
        // getPathByAlias() returns the alias if there is no path.
        return $path != $alias;
    }

}

Members

Title Modifiers Object type Summary Overriden Title Overrides
ConditionPluginBase::$executableManager protected property The condition manager to proxy execute calls through.
ConditionPluginBase::buildConfigurationForm public function Form constructor. Overrides PluginFormInterface::buildConfigurationForm 6
ConditionPluginBase::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies
ConditionPluginBase::defaultConfiguration public function Gets default configuration for this plugin. Overrides ConfigurableInterface::defaultConfiguration 6
ConditionPluginBase::execute public function Executes the plugin. Overrides ExecutableInterface::execute
ConditionPluginBase::getConfiguration public function Gets this plugin's configuration. Overrides ConfigurableInterface::getConfiguration
ConditionPluginBase::isNegated public function Determines whether condition result will be negated. Overrides ConditionInterface::isNegated
ConditionPluginBase::setConfiguration public function Sets the configuration for this plugin instance. Overrides ConfigurableInterface::setConfiguration
ConditionPluginBase::setExecutableManager public function Sets the executable manager class. Overrides ConditionInterface::setExecutableManager
ConditionPluginBase::submitConfigurationForm public function Form submission handler. Overrides PluginFormInterface::submitConfigurationForm 6
ConditionPluginBase::validateConfigurationForm public function Form validation handler. Overrides PluginFormInterface::validateConfigurationForm
ConfigurationAccessControlTrait::checkConfigurationAccess public function Checks configuration permission.
ContextAwarePluginAssignmentTrait::addContextAssignmentElement protected function Builds a form element for assigning a context to a given slot.
ContextAwarePluginAssignmentTrait::contextHandler protected function Wraps the context handler.
ContextAwarePluginAssignmentTrait::t abstract protected function Ensures the t() method is available.
ContextAwarePluginTrait::$context protected property The data objects representing the context of this plugin.
ContextAwarePluginTrait::$initializedContextConfig protected property Tracks whether the context has been initialized from configuration.
ContextAwarePluginTrait::getCacheContexts public function 9
ContextAwarePluginTrait::getCacheMaxAge public function 7
ContextAwarePluginTrait::getCacheTags public function 4
ContextAwarePluginTrait::getContext public function
ContextAwarePluginTrait::getContextDefinition public function
ContextAwarePluginTrait::getContextDefinitions public function
ContextAwarePluginTrait::getContextMapping public function
ContextAwarePluginTrait::getContexts public function
ContextAwarePluginTrait::getContextValues public function
ContextAwarePluginTrait::getPluginDefinition abstract public function 1
ContextAwarePluginTrait::setContext public function 1
ContextAwarePluginTrait::setContextMapping public function
ContextAwarePluginTrait::setContextValue public function
ContextAwarePluginTrait::validateContexts public function
ContextProviderTrait::$providedContext protected property The data objects that are provided by this plugin.
ContextProviderTrait::getProvidedContext public function
ContextProviderTrait::getProvidedContextDefinition public function
ContextProviderTrait::getProvidedContextDefinitions public function
ContextProviderTrait::setProvidedValue public function
ContextProviderTrait::upcastEntityId public function Upcasts an entity id to a full entity object.
ExecutablePluginBase::getConfig public function Gets all configuration values.
ExecutablePluginBase::getConfigDefinition public function Gets the definition of a configuration option.
ExecutablePluginBase::getConfigDefinitions public function Gets an array of definitions of available configuration options.
ExecutablePluginBase::setConfig public function Sets the value of a particular configuration option.
ExecutablePluginTrait::getLabelValue protected function Get the translated label from the plugin definition.
ExecutablePluginTrait::summary public function Get the translated summary from the label annotation. 4
PathAliasExists::$aliasManager protected property The alias manager service.
PathAliasExists::create public static function Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create
PathAliasExists::doEvaluate protected function Check if a path alias exists.
PathAliasExists::__construct public function Constructs a PathAliasExists object. Overrides ConditionPluginBase::__construct
PluginInspectionInterface::getPluginId public function Gets the plugin_id of the plugin instance. 2
RulesConditionBase::assertMetadata public function Asserts additional metadata for the selected data. Overrides ContextAwarePluginInterface::assertMetadata 1
RulesConditionBase::evaluate public function Evaluates the condition and returns TRUE or FALSE accordingly. Overrides ConditionInterface::evaluate 5
RulesConditionBase::getContextValue public function Gets the value for a defined context. Overrides ContextAwarePluginTrait::getContextValue
RulesConditionBase::negate public function Negates the result after evaluating this condition. Overrides RulesConditionInterface::negate
RulesConditionBase::refineContextDefinitions public function Refines used and provided context definitions based upon context values. Overrides ContextAwarePluginInterface::refineContextDefinitions 1