EventAnEnrollForm.php in Open Social 8.4

Namespace

Drupal\social_event_an_enroll\Form

File

modules/social_features/social_event/modules/social_event_an_enroll/src/Form/EventAnEnrollForm.php

<?php

namespace Drupal\social_event_an_enroll\Form;

use Drupal\Core\Cache\Cache;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Link;
use Drupal\Component\Utility\Crypt;
use Drupal\Component\Serialization\Json;
use Drupal\node\Entity\Node;
use Drupal\social_event\Form\EnrollActionForm;
use Drupal\social_event\Entity\EventEnrollment;

/**
 * Class EventAnEnrollForm.
 *
 * @package Drupal\social_event_an_enroll\Form
 */
class EventAnEnrollForm extends EnrollActionForm {

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

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

    // Load node object.
    if (!is_null($nid) && !is_object($nid)) {
      $node = Node::load($nid);
    }

    // Set hidden values.
    $form['field_event'] = [
      '#type' => 'hidden',
      '#value' => $nid,
    ];
    $form['field_first_name'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('First name'),
    ];
    $form['field_last_name'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Last name'),
    ];
    $form['field_email'] = [
      '#type' => 'email',
      '#required' => TRUE,
      '#title' => $this
        ->t('Email address'),
      '#description' => $this
        ->t('Enter your email, so we can send you event updates.'),
    ];
    if ($this->moduleHandler
      ->moduleExists('data_policy')) {
      $data_policy_config = $this->configFactory
        ->get('data_policy.data_policy');

      // Check if data policy is created.
      if (!empty($data_policy_config
        ->get('entity_id'))) {
        $form['#attached']['library'][] = 'core/drupal.dialog.ajax';
        $link = Link::createFromRoute($this
          ->t('data policy'), 'data_policy.data_policy', [], [
          'attributes' => [
            'class' => [
              'use-ajax',
            ],
            'data-dialog-type' => 'modal',
            'data-dialog-options' => Json::encode([
              'title' => t('Data policy'),
              'width' => 700,
              'height' => 700,
            ]),
          ],
        ]);
        $enforce_consent = !empty($data_policy_config
          ->get('enforce_consent'));
        $form['data_policy'] = [
          '#type' => 'checkbox',
          '#title' => $this
            ->t('I agree with the @url', [
            '@url' => $link
              ->toString(),
          ]),
          '#required' => $enforce_consent,
        ];
      }
    }
    $submit_text = $this
      ->t('Enroll in event');
    $enrollment_open = TRUE;

    // Add the enrollment closed label.
    if ($this
      ->eventHasBeenFinished($node)) {
      $submit_text = $this
        ->t('Event has passed');
      $enrollment_open = FALSE;
    }
    $form['actions']['submit'] = [
      '#type' => 'submit',
      '#button_type' => 'primary',
      '#button_level' => 'raised',
      '#value' => $submit_text,
      '#disabled' => !$enrollment_open,
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $current_user = $this->currentUser;
    $uid = $current_user
      ->id();
    if ($current_user
      ->isAnonymous()) {
      $nid = $form_state
        ->getValue('field_event');
      $values = $form_state
        ->getValues();
      $values['user_id'] = $uid;
      $values['field_account'] = $uid;
      $values['field_enrollment_status'] = '1';

      // Check if there is enrollment with the same email.
      $conditions = [
        'field_email' => $values['field_email'],
        'field_event' => $nid,
      ];
      $enrollments = $this->entityStorage
        ->loadByProperties($conditions);
      if ($enrollment = array_pop($enrollments)) {
        $values['field_token'] = $enrollment
          ->get('field_token')
          ->getString();
        drupal_set_message($this
          ->t('You have been already enrolled to this event. You have also received a notification via email.'));
      }
      else {
        $values['field_token'] = Crypt::randomBytesBase64();

        // Create a new enrollment for the event.
        $enrollment = EventEnrollment::create($values);
        $enrollment
          ->save();

        // Invalidate cache for our enrollment cache tag in
        // social_event_node_view_alter().
        $cache_tag = 'enrollment:' . $nid . '-' . $uid;
        Cache::invalidateTags([
          $cache_tag,
        ]);
        drupal_set_message($this
          ->t('You have successfully enrolled to this event. You have also received a notification via email.'));
      }

      // Redirect anonymous use to login page before enrolling to an event.
      $form_state
        ->setRedirect('entity.node.canonical', [
        'node' => $nid,
      ], [
        'query' => [
          'token' => $values['field_token'],
        ],
      ]);

      // Send email if the setting is enabled.
      $event_an_enroll_config = $this
        ->config('social_event_an_enroll.settings');
      if ($event_an_enroll_config
        ->get('event_an_enroll_email_notify')) {
        social_event_an_enroll_send_mail($values);
      }
    }
  }

}

Classes

Name	Description
EventAnEnrollForm	Class EventAnEnrollForm.