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class EventTypeForm in RNG - Events and Registrations 8.2

Same name and namespace in other branches
  1. 8 src/Form/EventTypeForm.php \Drupal\rng\Form\EventTypeForm
  2. 3.x src/Form/EventTypeForm.php \Drupal\rng\Form\EventTypeForm

Form controller for event config entities.

Hierarchy

Expanded class hierarchy of EventTypeForm

2 files declare their use of EventTypeForm
RngEventAccessWebTest.php in tests/src/Functional/RngEventAccessWebTest.php
RngSiteTestBase.php in src/Tests/RngSiteTestBase.php

File

src/Form/EventTypeForm.php, line 21

Namespace

Drupal\rng\Form
View source
class EventTypeForm extends EntityForm {

  /**
   * The entity manager.
   *
   * @var \Drupal\Core\Entity\EntityManagerInterface
   */
  protected $entityManager;

  /**
   * The module handler service.
   *
   * @var \Drupal\Core\Extension\ModuleHandlerInterface
   */
  protected $moduleHandler;

  /**
   * The entity display repository.
   *
   * @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface
   */
  protected $entityDisplayRepository;

  /**
   * The RNG configuration service.
   *
   * @var \Drupal\rng\RngConfigurationInterface
   */
  protected $rngConfiguration;

  /**
   * The RNG event manager.
   *
   * @var \Drupal\rng\EventManagerInterface
   */
  protected $eventManager;

  /**
   * Constructs a EventTypeForm object.
   *
   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
   *   The entity manager.
   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
   *   The module handler service.
   * @param \Drupal\Core\Entity\EntityDisplayRepositoryInterface $entity_display_repository
   *   The entity display repository.
   * @param \Drupal\rng\RngConfigurationInterface $rng_configuration
   *   The RNG configuration service.
   * @param \Drupal\rng\EventManagerInterface $event_manager
   *   The RNG event manager.
   */
  public function __construct(EntityManagerInterface $entity_manager, ModuleHandlerInterface $module_handler, EntityDisplayRepositoryInterface $entity_display_repository, RngConfigurationInterface $rng_configuration, EventManagerInterface $event_manager) {
    $this->entityManager = $entity_manager;
    $this->moduleHandler = $module_handler;
    $this->entityDisplayRepository = $entity_display_repository;
    $this->rngConfiguration = $rng_configuration;
    $this->eventManager = $event_manager;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('entity.manager'), $container
      ->get('module_handler'), $container
      ->get('entity_display.repository'), $container
      ->get('rng.configuration'), $container
      ->get('rng.event_manager'));
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form = parent::buildForm($form, $form_state);

    /** @var \Drupal\rng\Entity\EventTypeInterface $event_type */
    $event_type = $this->entity;
    if (!$event_type
      ->isNew()) {
      $form['#title'] = $this
        ->t('Edit event type %label configuration', [
        '%label' => $event_type
          ->label(),
      ]);
    }
    if ($event_type
      ->isNew()) {
      $bundle_options = [];

      // Generate a list of fieldable bundles which are not events.
      foreach ($this->entityManager
        ->getDefinitions() as $entity_type) {
        if ($entity_type
          ->isSubclassOf('\\Drupal\\Core\\Entity\\ContentEntityInterface')) {
          foreach ($this->entityManager
            ->getBundleInfo($entity_type
            ->id()) as $bundle => $bundle_info) {
            if (!$this->eventManager
              ->eventType($entity_type
              ->id(), $bundle)) {
              $bundle_options[(string) $entity_type
                ->getLabel()][$entity_type
                ->id() . '.' . $bundle] = $bundle_info['label'];
            }
          }
        }
      }
      if ($this->moduleHandler
        ->moduleExists('node')) {
        $form['#attached']['library'][] = 'rng/rng.admin';
        $form['entity_type'] = [
          '#type' => 'radios',
          '#options' => NULL,
          '#title' => $this
            ->t('Event entity type'),
          '#required' => TRUE,
          // Kills \Drupal\Core\Render\Element\Radios::processRadios.
          '#process' => [],
        ];
        $form['entity_type']['node']['radio'] = [
          '#type' => 'radio',
          '#title' => $this
            ->t('Create a new content type'),
          '#description' => $this
            ->t('Create a content type to use as an event type.'),
          '#return_value' => "node",
          '#parents' => [
            'entity_type',
          ],
          '#default_value' => 'node',
        ];
        $form['entity_type']['existing']['radio'] = [
          '#type' => 'radio',
          '#title' => $this
            ->t('Use existing bundle'),
          '#description' => $this
            ->t('Use an existing entity/bundle combination.'),
          '#return_value' => "existing",
          '#parents' => [
            'entity_type',
          ],
          '#default_value' => '',
        ];
        $form['entity_type']['existing']['container'] = [
          '#type' => 'container',
          '#attributes' => [
            'class' => [
              'rng-radio-indent',
            ],
          ],
        ];
      }
      $form['entity_type']['existing']['container']['bundle'] = [
        '#type' => 'select',
        '#title' => $this
          ->t('Bundle'),
        '#options' => $bundle_options,
        '#default_value' => $event_type
          ->id(),
        '#disabled' => !$event_type
          ->isNew(),
        '#empty_option' => $bundle_options ? NULL : t('No Bundles Available'),
      ];
    }
    $form['settings'] = [
      '#type' => 'fieldset',
      '#title' => $this
        ->t('Settings'),
    ];

    // Mirror permission.
    $form['access']['mirror_update'] = [
      '#group' => 'settings',
      '#type' => 'checkbox',
      '#title' => t('Mirror manage registrations with update permission'),
      '#description' => t('Allow users to <strong>manage registrations</strong> if they have <strong>update</strong> permission on an event entity.'),
      '#default_value' => (bool) ($event_type
        ->getEventManageOperation() !== NULL ? $event_type
        ->getEventManageOperation() : TRUE),
    ];

    // Allow Anonymous Registrants?
    $form['allow_anon_registrants'] = [
      '#group' => 'settings',
      '#type' => 'checkbox',
      '#title' => t('Allow anonymous registrants without saving to other identities?'),
      '#description' => t('Allow editing registrant data as text fields on a registration. Add fields to the registrant type for information you would like to collect.'),
      '#default_value' => (bool) $event_type
        ->getAllowAnonRegistrants(),
    ];

    // Auto Sync Registrants
    $form['auto_sync_registrants'] = [
      '#group' => 'settings',
      '#type' => 'checkbox',
      '#title' => t('Sync matching field data between registrant and registrant identity'),
      '#description' => t('If there are empty fields on either the registrant or an identity, copy data from the other when a registrant is updated. This can streamline views of attendee data.'),
      '#default_value' => (bool) $event_type
        ->getAutoSyncRegistrants(),
    ];

    // Auto Attach User Identities
    $form['auto_attach_users'] = [
      '#group' => 'settings',
      '#type' => 'checkbox',
      '#title' => t('Automatically add user identities to anonymous registrants if email matches'),
      '#description' => t('If an email field in a registrant matches a user account, automatically add the user account as the identity.'),
      '#default_value' => (bool) $event_type
        ->getAutoAttachUsers(),
      '#states' => [
        'invisible' => [
          ':input[name="allow_anon_registrants"]' => [
            'checked' => FALSE,
          ],
        ],
      ],
    ];

    // Registrant email field
    $form['registrant_email_field'] = [
      '#group' => 'settings',
      '#type' => 'textfield',
      '#title' => t('Registrant email field'),
      '#description' => t('Machine name of a field on the registrant to use when looking up a user account.'),
      '#default_value' => $event_type
        ->getRegistrantEmailField(),
      '#states' => [
        'invisible' => [
          ':input[name="auto_attach_users"]' => [
            'checked' => FALSE,
          ],
        ],
      ],
    ];

    // Event date fields
    $form['event_date_field_start'] = [
      '#group' => 'settings',
      '#type' => 'textfield',
      '#title' => t('Event Start Date field'),
      '#description' => t('Machine name of a field on the event to use as the event start date.'),
      '#default_value' => $event_type
        ->getEventStartDateField(),
    ];
    $form['event_date_field_end'] = [
      '#group' => 'settings',
      '#type' => 'textfield',
      '#title' => t('Event End Date field'),
      '#description' => t('Machine name of a field on the event to use as the event end date. Will be combined into a "friendly" date string on registrations.'),
      '#default_value' => $event_type
        ->getEventEndDateField(),
    ];
    $registrant_types = [];
    foreach (RegistrantType::loadMultiple() as $registrant_type) {

      /** @var \Drupal\rng\Entity\RegistrantTypeInterface $registrant_type */
      $registrant_types[$registrant_type
        ->id()] = $registrant_type
        ->label();
    }
    $form['registrants'] = [
      '#type' => 'fieldset',
      '#title' => $this
        ->t('Registrants'),
      '#tree' => TRUE,
    ];

    // Default registrant type.
    $form['registrants']['registrant_type'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Default registrant type'),
      '#description' => $this
        ->t('Registrant type used for new registrants associated with this event type.'),
      '#required' => TRUE,
      '#options' => $registrant_types,
      '#default_value' => $event_type
        ->getDefaultRegistrantType(),
    ];
    $form['registrants']['registrants'] = [
      '#type' => 'table',
      '#header' => [
        [
          'data' => $this
            ->t('Person type'),
        ],
        [
          'data' => $this
            ->t('Permit inline creation of entities'),
          'class' => [
            'checkbox',
          ],
        ],
        [
          'data' => $this
            ->t('Form display mode'),
        ],
        [
          'data' => $this
            ->t('Permit referencing existing entities'),
          'class' => [
            'checkbox',
          ],
        ],
      ],
      '#empty' => $this
        ->t('There are no people types available.'),
    ];
    foreach ($this->rngConfiguration
      ->getIdentityTypes() as $entity_type_id) {
      $entity_type = $this->entityTypeManager
        ->getDefinition($entity_type_id);
      $bundles = $this->entityManager
        ->getBundleInfo($entity_type_id);
      foreach ($bundles as $bundle => $info) {
        $t_args = [
          '@bundle' => $info['label'],
          '@entity_type' => $entity_type
            ->getLabel(),
        ];
        $row = [];
        $row['people_type']['#markup'] = $this
          ->t('@bundle (@entity_type)', $t_args);
        $row['create'] = [
          '#type' => 'checkbox',
          '#title' => $this
            ->t('Permit inline creation of @bundle entities', $t_args),
          '#title_display' => 'invisible',
          '#default_value' => $event_type
            ->canIdentityTypeCreate($entity_type_id, $bundle),
          '#wrapper_attributes' => [
            'class' => [
              'checkbox',
            ],
          ],
        ];
        $row['entity_form_mode'] = [
          '#type' => 'select',
          '#title' => $this
            ->t('Form display mode used when the entity is created inline.', $t_args),
          '#title_display' => 'invisible',
          '#default_value' => $event_type
            ->getIdentityTypeEntityFormMode($entity_type_id, $bundle),
          '#options' => $this->entityDisplayRepository
            ->getFormModeOptionsByBundle($entity_type_id, $bundle),
        ];
        $row['existing'] = [
          '#type' => 'checkbox',
          '#title' => $this
            ->t('Permit referencing existing @bundle entities', $t_args),
          '#title_display' => 'invisible',
          '#default_value' => $event_type
            ->canIdentityTypeReference($entity_type_id, $bundle),
          '#wrapper_attributes' => [
            'class' => [
              'checkbox',
            ],
          ],
        ];
        $row_key = "{$entity_type_id}:{$bundle}";
        $form['registrants']['registrants'][$row_key] = $row;
      }
    }

    // Check if user people type is enabled, then apply some special handling.
    if (isset($form['registrants']['registrants']['user:user'])) {

      // Blacklist user creation. It does not work because it is special.
      $form['registrants']['registrants']['user:user']['create']['#access'] = FALSE;

      // Auto check existing references for users.
      if ($event_type
        ->isNew()) {
        $form['registrants']['registrants']['user:user']['existing']['#default_value'] = TRUE;
      }
    }
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $form_state
      ->cleanValues();
    $this->entity = $this
      ->buildEntity($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {

    /** @var \Drupal\rng\Entity\EventTypeInterface $event_type */
    $event_type = $this
      ->getEntity();
    if ($event_type
      ->isNew()) {
      if ($this->moduleHandler
        ->moduleExists('node') && $form_state
        ->getValue('entity_type') == 'node') {
        $node_type = $this
          ->createContentType('Event');
        $t_args = [
          '%label' => $node_type
            ->label(),
          ':url' => $node_type
            ->toUrl()
            ->toString(),
        ];
        drupal_set_message(t('The content type <a href=":url">%label</a> has been added.', $t_args));
        $event_type
          ->setEventEntityTypeId($node_type
          ->getEntityType()
          ->getBundleOf());
        $event_type
          ->setEventBundle($node_type
          ->id());
      }
      else {
        $bundle = explode('.', $form_state
          ->getValue('bundle'));
        $event_type
          ->setEventEntityTypeId($bundle[0]);
        $event_type
          ->setEventBundle($bundle[1]);
      }
    }
    foreach ($form_state
      ->getValue([
      'registrants',
      'registrants',
    ]) as $row_key => $row) {
      list($entity_type, $bundle) = explode(':', $row_key);
      $event_type
        ->setIdentityTypeCreate($entity_type, $bundle, !empty($row['create']));
      $event_type
        ->setIdentityTypeReference($entity_type, $bundle, !empty($row['existing']));
      $event_type
        ->setIdentityTypeEntityFormMode($entity_type, $bundle, $row['entity_form_mode']);
    }
    $event_type
      ->setDefaultRegistrantType($form_state
      ->getValue([
      'registrants',
      'registrant_type',
    ]));

    // Set to the access operation for event.
    $op = $form_state
      ->getValue('mirror_update') ? 'update' : '';
    $event_type
      ->setEventManageOperation($op)
      ->setAllowAnonRegistrants($form_state
      ->getValue('allow_anon_registrants'))
      ->setAutoSyncRegistrants($form_state
      ->getValue('auto_sync_registrants'))
      ->setAutoAttachUsers($form_state
      ->getValue('auto_attach_users'))
      ->setRegistrantEmailField($form_state
      ->getValue('registrant_email_field'))
      ->setEventStartDateField($form_state
      ->getValue('event_date_field_start'))
      ->setEventEndDateField($form_state
      ->getValue('event_date_field_end'));
    $status = $event_type
      ->save();

    // Create default rules.
    if ($status == SAVED_NEW) {
      $this
        ->createDefaultRules($event_type
        ->getEventEntityTypeId(), $event_type
        ->getEventBundle());
    }
    $message = $status == SAVED_UPDATED ? '%label event type updated.' : '%label event type added.';
    $url = $event_type
      ->urlInfo();
    $t_args = [
      '%label' => $event_type
        ->id(),
      'link' => $this
        ->l(t('Edit'), $url),
    ];
    drupal_set_message($this
      ->t($message, $t_args));
    $this
      ->logger('rng')
      ->notice($message, $t_args);
  }

  /**
   * Creates a content type.
   *
   * Attempts to create a content type with ID $prefix, $prefix_1, $prefix_2...
   *
   * @param string $prefix
   *   A string prefix for the node type ID.
   *
   * @return \Drupal\node\NodeTypeInterface
   *   A node type entity.
   */
  protected function createContentType($prefix) {

    // Generate a unique ID.
    $i = 0;
    $separator = '_';
    $id = $prefix;
    while (NodeType::load(Unicode::strtolower($id))) {
      $i++;
      $id = $prefix . $separator . $i;
    }
    $node_type = NodeType::create([
      'type' => Unicode::strtolower($id),
      'name' => $id,
    ]);
    $node_type
      ->save();
    return $node_type;
  }

  /**
   * Create default rules for an event type.
   *
   * @param $entity_type_id
   *   An entity type ID.
   * @param $bundle
   *   A bundle ID.
   */
  public static function createDefaultRules($entity_type_id, $bundle) {

    // User Role.

    /** @var \Drupal\rng\Entity\EventTypeRuleInterface $rule */
    $rule = EventTypeRule::create([
      'trigger' => 'rng_event.register',
      'entity_type' => $entity_type_id,
      'bundle' => $bundle,
      'machine_name' => 'user_role',
    ]);
    $rule
      ->setCondition('role', [
      'id' => 'rng_user_role',
      'roles' => [],
    ]);
    $rule
      ->setAction('registration_operations', [
      'id' => 'registration_operations',
      'configuration' => [
        'operations' => [
          'create' => TRUE,
        ],
      ],
    ]);
    $rule
      ->save();

    // Registrant.
    $rule = EventTypeRule::create([
      'trigger' => 'rng_event.register',
      'entity_type' => $entity_type_id,
      'bundle' => $bundle,
      'machine_name' => 'registrant',
    ]);
    $rule
      ->setCondition('identity', [
      'id' => 'rng_registration_identity',
    ]);
    $rule
      ->setAction('registration_operations', [
      'id' => 'registration_operations',
      'configuration' => [
        'operations' => [
          'view' => TRUE,
          'update' => TRUE,
        ],
      ],
    ]);
    $rule
      ->save();

    // Event managers.
    $rule = EventTypeRule::create([
      'trigger' => 'rng_event.register',
      'entity_type' => $entity_type_id,
      'bundle' => $bundle,
      'machine_name' => 'event_manager',
    ]);
    $rule
      ->setCondition('operation', [
      'id' => 'rng_event_operation',
      'operations' => [
        'manage event' => TRUE,
      ],
    ]);
    $rule
      ->setAction('registration_operations', [
      'id' => 'registration_operations',
      'configuration' => [
        'operations' => [
          'create' => TRUE,
          'view' => TRUE,
          'update' => TRUE,
          'delete' => TRUE,
        ],
      ],
    ]);
    $rule
      ->save();
  }

}

Members

Namesort descending Modifiers Type Description Overrides
DependencySerializationTrait::$_entityStorages protected property An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
EntityForm::$entity protected property The entity being used by this form. 7
EntityForm::$entityTypeManager protected property The entity type manager. 3
EntityForm::$operation protected property The name of the current operation.
EntityForm::$privateEntityManager private property The entity manager.
EntityForm::actions protected function Returns an array of supported actions for the current entity form. 29
EntityForm::actionsElement protected function Returns the action form element for the current entity form.
EntityForm::afterBuild public function Form element #after_build callback: Updates the entity with submitted data.
EntityForm::buildEntity public function Builds an updated entity object based upon the submitted form values. Overrides EntityFormInterface::buildEntity 2
EntityForm::copyFormValuesToEntity protected function Copies top-level form values to entity properties 7
EntityForm::form public function Gets the actual form array to be built. 30
EntityForm::getBaseFormId public function Returns a string identifying the base form. Overrides BaseFormIdInterface::getBaseFormId 5
EntityForm::getEntity public function Gets the form entity. Overrides EntityFormInterface::getEntity
EntityForm::getEntityFromRouteMatch public function Determines which entity will be used by this form from a RouteMatch object. Overrides EntityFormInterface::getEntityFromRouteMatch 1
EntityForm::getFormId public function Returns a unique string identifying the form. Overrides FormInterface::getFormId 10
EntityForm::getOperation public function Gets the operation identifying the form. Overrides EntityFormInterface::getOperation
EntityForm::init protected function Initialize the form state and the entity before the first form build. 3
EntityForm::prepareEntity protected function Prepares the entity object before the form is built first. 3
EntityForm::prepareInvokeAll protected function Invokes the specified prepare hook variant.
EntityForm::processForm public function Process callback: assigns weights and hides extra fields.
EntityForm::setEntity public function Sets the form entity. Overrides EntityFormInterface::setEntity
EntityForm::setEntityManager public function Sets the entity manager for this form. Overrides EntityFormInterface::setEntityManager
EntityForm::setEntityTypeManager public function Sets the entity type manager for this form. Overrides EntityFormInterface::setEntityTypeManager
EntityForm::setModuleHandler public function Sets the module handler for this form. Overrides EntityFormInterface::setModuleHandler
EntityForm::setOperation public function Sets the operation for this form. Overrides EntityFormInterface::setOperation
EntityForm::__get public function
EntityForm::__set public function
EventTypeForm::$entityDisplayRepository protected property The entity display repository.
EventTypeForm::$entityManager protected property The entity manager.
EventTypeForm::$eventManager protected property The RNG event manager.
EventTypeForm::$moduleHandler protected property The module handler service. Overrides EntityForm::$moduleHandler
EventTypeForm::$rngConfiguration protected property The RNG configuration service.
EventTypeForm::buildForm public function Form constructor. Overrides EntityForm::buildForm
EventTypeForm::create public static function Instantiates a new instance of this class. Overrides FormBase::create
EventTypeForm::createContentType protected function Creates a content type.
EventTypeForm::createDefaultRules public static function Create default rules for an event type.
EventTypeForm::save public function Form submission handler for the 'save' action. Overrides EntityForm::save
EventTypeForm::submitForm public function This is the default entity object builder function. It is called before any other submit handler to build the new entity object to be used by the following submit handlers. At this point of the form workflow the entity is validated and the form state… Overrides EntityForm::submitForm
EventTypeForm::__construct public function Constructs a EventTypeForm object.
FormBase::$configFactory protected property The config factory. 1
FormBase::$requestStack protected property The request stack. 1
FormBase::$routeMatch protected property The route match.
FormBase::config protected function Retrieves a configuration object.
FormBase::configFactory protected function Gets the config factory for this form. 1
FormBase::container private function Returns the service container.
FormBase::currentUser protected function Gets the current user.
FormBase::getRequest protected function Gets the request object.
FormBase::getRouteMatch protected function Gets the route match.
FormBase::logger protected function Gets the logger for a specific channel.
FormBase::redirect protected function Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
FormBase::resetConfigFactory public function Resets the configuration factory.
FormBase::setConfigFactory public function Sets the config factory for this form.
FormBase::setRequestStack public function Sets the request stack object to use.
FormBase::validateForm public function Form validation handler. Overrides FormInterface::validateForm 62
LinkGeneratorTrait::$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.
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.