LtiToolProviderAttributesEventSubscriber.php in LTI Tool Provider 8

Namespace

Drupal\lti_tool_provider_attributes\EventSubscriber

File

modules/lti_tool_provider_attributes/src/EventSubscriber/LtiToolProviderAttributesEventSubscriber.php

<?php

namespace Drupal\lti_tool_provider_attributes\EventSubscriber;

use Drupal;
use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\lti_tool_provider\Event\LtiToolProviderAuthenticatedEvent;
use Drupal\lti_tool_provider\LtiToolProviderEvent;
use Drupal\lti_tool_provider_attributes\Event\LtiToolProviderAttributesEvent;
use Exception;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
class LtiToolProviderAttributesEventSubscriber implements EventSubscriberInterface {

  /**
   * @var ConfigFactoryInterface
   */
  protected $configFactory;

  /**
   * @var EventDispatcherInterface
   */
  protected $eventDispatcher;

  /**
   * LtiToolProviderAttributesEventSubscriber constructor.
   * @param ConfigFactoryInterface $configFactory
   * @param EventDispatcherInterface $eventDispatcher
   */
  public function __construct(ConfigFactoryInterface $configFactory, EventDispatcherInterface $eventDispatcher) {
    $this->configFactory = $configFactory;
    $this->eventDispatcher = $eventDispatcher;
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() : array {
    return [
      LtiToolProviderAuthenticatedEvent::EVENT_NAME => 'onAuthenticated',
    ];
  }

  /**
   * @param LtiToolProviderAuthenticatedEvent $event
   */
  public function onAuthenticated(LtiToolProviderAuthenticatedEvent $event) {
    $mapped_attributes = $this->configFactory
      ->get('lti_tool_provider_attributes.settings')
      ->get('mapped_attributes');
    $context = $event
      ->getContext();
    $user = $event
      ->getUser();
    if ($user
      ->getDisplayName() === 'ltiuser') {
      return;
    }
    if (!$mapped_attributes || !count($mapped_attributes)) {
      return;
    }
    foreach ($mapped_attributes as $user_attribute => $lti_attribute) {
      if (isset($context[$mapped_attributes[$user_attribute]]) && !empty($context[$mapped_attributes[$user_attribute]])) {
        $user
          ->set($user_attribute, $context[$mapped_attributes[$user_attribute]]);
      }
    }
    try {
      $attributesEvent = new LtiToolProviderAttributesEvent($context, $user);
      LtiToolProviderEvent::dispatchEvent($this->eventDispatcher, $attributesEvent);
      if ($attributesEvent
        ->isCancelled()) {
        throw new Exception($event
          ->getMessage());
      }
      $user
        ->save();
    } catch (Exception $e) {
      Drupal::logger('lti_tool_provider_attributes')
        ->error($e
        ->getMessage());
    }
  }

}

Classes

Name	Description
LtiToolProviderAttributesEventSubscriber