class EnrollActionForm in Open Social 8

Class EnrollActionForm.

@package Drupal\social_event\Form

Hierarchy

• class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, LinkGeneratorTrait, RedirectDestinationTrait, UrlGeneratorTrait, StringTranslationTrait
  • class \Drupal\social_event\Form\EnrollActionForm implements ContainerInjectionInterface

File

modules/social_features/social_event/src/Form/EnrollActionForm.php, line 28

Namespace

Drupal\social_event\Form

class EnrollActionForm extends FormBase implements ContainerInjectionInterface {

  /**
   * The routing matcher to get the nid.
   *
   * @var \Drupal\Core\Routing\RouteMatchInterface
   */
  protected $routeMatch;

  /**
   * The node storage for event enrollments.
   *
   * @var \Drupal\Core\entity\EntityStorageInterface
   */
  protected $entityStorage;

  /**
   * The user storage.
   *
   * @var \Drupal\user\UserStorageInterface
   */
  protected $userStorage;

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * The current user.
   *
   * @var \Drupal\Core\Session\AccountProxyInterface
   */
  protected $currentUser;

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

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'enroll_action_form';
  }

  /**
   * Constructs an Enroll Action Form.
   *
   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
   *   The route match.
   * @param \Drupal\Core\Entity\EntityStorageInterface $entity_storage
   *   The entity storage.
   * @param \Drupal\user\UserStorageInterface $user_storage
   *   The user storage.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entityTypeManager
   *   The entity type manager.
   * @param \Drupal\Core\Session\AccountProxyInterface $currentUser
   *   The current user.
   * @param \Drupal\Core\Config\ConfigFactoryInterface $configFactory
   *   The config factory.
   */
  public function __construct(RouteMatchInterface $route_match, EntityStorageInterface $entity_storage, UserStorageInterface $user_storage, EntityTypeManagerInterface $entityTypeManager, AccountProxyInterface $currentUser, ConfigFactoryInterface $configFactory) {
    $this->routeMatch = $route_match;
    $this->entityStorage = $entity_storage;
    $this->userStorage = $user_storage;
    $this->entityTypeManager = $entityTypeManager;
    $this->currentUser = $currentUser;
    $this->configFactory = $configFactory;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('current_route_match'), $container
      ->get('entity.manager')
      ->getStorage('event_enrollment'), $container
      ->get('entity.manager')
      ->getStorage('user'), $container
      ->get('entity_type.manager'), $container
      ->get('current_user'), $container
      ->get('config.factory'));
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $nid = $this->routeMatch
      ->getRawParameter('node');
    $current_user = $this->currentUser;
    $uid = $current_user
      ->id();

    // We check if the node is placed in a Group I am a member of. If not,
    // we are not going to build anything.
    if (!empty($nid)) {
      if (!is_object($nid) && !is_null($nid)) {
        $node = $this->entityTypeManager
          ->getStorage('node')
          ->load($nid);
      }
      $groups = $this
        ->getGroups($node);
      if (!empty($groups)) {
        $group_type_ids = $this->configFactory
          ->getEditable('social_event.settings')
          ->get('enroll');
        foreach ($groups as $group) {
          $group_type_id = $group
            ->bundle();
          if (in_array($group_type_id, $group_type_ids) && $group
            ->hasPermission('join group', $current_user)) {
            break;
          }
          if ($group
            ->hasPermission('enroll to events in groups', $current_user) == FALSE) {
            return [];
          }
        }
      }
    }
    $form['event'] = [
      '#type' => 'hidden',
      '#value' => $nid,
    ];
    $submit_text = $this
      ->t('Enroll');
    $enrollment_open = TRUE;

    // Add the enrollment closed label.
    if ($this
      ->eventHasBeenFinished($node)) {
      $submit_text = $this
        ->t('Event has passed');
      $enrollment_open = FALSE;
    }
    $conditions = [
      'field_account' => $uid,
      'field_event' => $nid,
    ];
    $to_enroll_status = '1';
    $enrollments = $this->entityStorage
      ->loadByProperties($conditions);
    if ($enrollment = array_pop($enrollments)) {
      $current_enrollment_status = $enrollment->field_enrollment_status->value;
      if ($current_enrollment_status === '1') {
        $submit_text = $this
          ->t('Enrolled');
        $to_enroll_status = '0';
      }
    }
    $form['to_enroll_status'] = [
      '#type' => 'hidden',
      '#value' => $to_enroll_status,
    ];
    $form['enroll_for_this_event'] = [
      '#type' => 'submit',
      '#value' => $submit_text,
      '#disabled' => !$enrollment_open,
    ];
    $form['#attributes']['name'] = 'enroll_action_form';
    if (isset($enrollment->field_enrollment_status->value) && $enrollment->field_enrollment_status->value === '1') {

      // Extra attributes needed for when a user is logged in. This will make
      // sure the button acts like a dropwdown.
      $form['enroll_for_this_event']['#attributes'] = [
        'class' => [
          'btn',
          'btn-accent brand-bg-accent',
          'btn-lg btn-raised',
          'dropdown-toggle',
          'waves-effect',
        ],
        'autocomplete' => 'off',
        'data-toggle' => 'dropdown',
        'aria-haspopup' => 'true',
        'aria-expanded' => 'false',
        'data-caret' => 'true',
      ];
      $cancel_text = $this
        ->t('Cancel enrollment');

      // Add markup for the button so it will be a dropdown.
      $form['feedback_user_has_enrolled'] = [
        '#markup' => '<ul class="dropdown-menu dropdown-menu-right"><li><a href="#" class="enroll-form-submit"> ' . $cancel_text . ' </a></li></ul>',
      ];
      $form['#attached']['library'][] = 'social_event/form_submit';
    }
    return $form;
  }

  /**
   * Function to determine if an event has been finished.
   *
   * @param \Drupal\node\Entity\Node $node
   *   The event.
   *
   * @return bool
   *   TRUE if the evens is finished / completed.
   */
  protected function eventHasBeenFinished(Node $node) {

    // Use the start date when the end date is not set to determine if the
    // event is closed.

    /** @var \Drupal\Core\Datetime\DrupalDateTime $check_end_date */
    $check_end_date = $node->field_event_date->date;
    if (isset($node->field_event_date_end->date)) {
      $check_end_date = $node->field_event_date_end->date;
    }
    $current_time = new DrupalDateTime();

    // The event has finished if the end date is smaller than the current date.
    if ($current_time > $check_end_date) {
      return TRUE;
    }
    return FALSE;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $current_user = $this->currentUser;
    $uid = $current_user
      ->id();
    $nid = $form_state
      ->getValue('event');

    // Redirect anonymous use to login page before enrolling to an event.
    if ($uid === 0) {
      $node_url = Url::fromRoute('entity.node.canonical', [
        'node' => $nid,
      ])
        ->toString();
      $form_state
        ->setRedirect('user.login', [], [
        'query' => [
          'destination' => $node_url,
        ],
      ]);

      // Check if user can register accounts.
      if ($this->configFactory
        ->get('user.settings')
        ->get('register') != USER_REGISTER_ADMINISTRATORS_ONLY) {
        $log_in_url = Url::fromUserInput('/user/login');
        $log_in_link = Link::fromTextAndUrl($this
          ->t('log in'), $log_in_url)
          ->toString();
        $create_account_url = Url::fromUserInput('/user/register');
        $create_account_link = Link::fromTextAndUrl($this
          ->t('create a new account'), $create_account_url)
          ->toString();
        $message = $this
          ->t('Please @log_in or @create_account_link so that you can enroll to the event.', [
          '@log_in' => $log_in_link,
          '@create_account_link' => $create_account_link,
        ]);
      }
      else {
        $log_in_url = Url::fromUserInput('/user/login');
        $log_in_link = Link::fromTextAndUrl($this
          ->t('log in'), $log_in_url)
          ->toString();
        $message = $this
          ->t('Please @log_in so that you can enroll to the event.', [
          '@log_in' => $log_in_link,
        ]);
      }
      drupal_set_message($message);
      return;
    }
    $to_enroll_status = $form_state
      ->getValue('to_enroll_status');
    $conditions = [
      'field_account' => $uid,
      'field_event' => $nid,
    ];
    $enrollments = $this->entityStorage
      ->loadByProperties($conditions);

    // Invalidate cache for our enrollment cache tag in
    // social_event_node_view_alter().
    $cache_tag = 'enrollment:' . $nid . '-' . $uid;
    Cache::invalidateTags([
      $cache_tag,
    ]);
    if ($enrollment = array_pop($enrollments)) {
      $current_enrollment_status = $enrollment->field_enrollment_status->value;
      if ($to_enroll_status === '0' && $current_enrollment_status === '1') {
        $enrollment->field_enrollment_status->value = '0';
        $enrollment
          ->save();
      }
      elseif ($to_enroll_status === '1' && $current_enrollment_status === '0') {
        $enrollment->field_enrollment_status->value = '1';
        $enrollment
          ->save();
      }
    }
    else {

      // Create a new enrollment for the event.
      $enrollment = EventEnrollment::create([
        'user_id' => $uid,
        'field_event' => $nid,
        'field_enrollment_status' => '1',
        'field_account' => $uid,
      ]);
      $enrollment
        ->save();
    }
  }

  /**
   * Get group object where event enrollment is posted in.
   *
   * Returns an array of Group Objects.
   *
   * @return array
   *   Array of group entities.
   */
  public function getGroups($node) {
    $groupcontents = GroupContent::loadByEntity($node);
    $groups = [];

    // Only react if it is actually posted inside a group.
    if (!empty($groupcontents)) {
      foreach ($groupcontents as $groupcontent) {

        /* @var \Drupal\group\Entity\GroupContent $groupcontent */
        $group = $groupcontent
          ->getGroup();

        /* @var \Drupal\group\Entity\Group $group */
        $groups[] = $group;
      }
    }
    return $groups;
  }

}

Members

Name	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
EnrollActionForm::$configFactory	protected	property	The config factory. Overrides FormBase::$configFactory
EnrollActionForm::$currentUser	protected	property	The current user.
EnrollActionForm::$entityStorage	protected	property	The node storage for event enrollments.
EnrollActionForm::$entityTypeManager	protected	property	The entity type manager.
EnrollActionForm::$routeMatch	protected	property	The routing matcher to get the nid. Overrides FormBase::$routeMatch
EnrollActionForm::$userStorage	protected	property	The user storage.
EnrollActionForm::buildForm	public	function	Form constructor. Overrides FormInterface::buildForm
EnrollActionForm::create	public static	function	Instantiates a new instance of this class. Overrides FormBase::create
EnrollActionForm::eventHasBeenFinished	protected	function	Function to determine if an event has been finished.
EnrollActionForm::getFormId	public	function	Returns a unique string identifying the form. Overrides FormInterface::getFormId
EnrollActionForm::getGroups	public	function	Get group object where event enrollment is posted in.
EnrollActionForm::submitForm	public	function	Form submission handler. Overrides FormInterface::submitForm
EnrollActionForm::__construct	public	function	Constructs an Enroll Action Form.
FormBase::$requestStack	protected	property	The request stack.	1
FormBase::config	protected	function	Retrieves a configuration object.
FormBase::configFactory	protected	function	Gets the config factory for this form.	1
FormBase::container	private	function	Returns the service container.
FormBase::currentUser	protected	function	Gets the current user.
FormBase::getRequest	protected	function	Gets the request object.
FormBase::getRouteMatch	protected	function	Gets the route match.
FormBase::logger	protected	function	Gets the logger for a specific channel.
FormBase::redirect	protected	function	Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
FormBase::resetConfigFactory	public	function	Resets the configuration factory.
FormBase::setConfigFactory	public	function	Sets the config factory for this form.
FormBase::setRequestStack	public	function	Sets the request stack object to use.
FormBase::validateForm	public	function	Form validation handler. Overrides FormInterface::validateForm	62
LinkGeneratorTrait::$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.