activity_stream-1.0.x-dev/src/Plugin/ActivityContext/OwnerActivityContext.php

<?php

namespace Drupal\activity_stream\Plugin\ActivityContext;

use Drupal\activity_stream\ActivityFactory;
use Drupal\activity_stream\Plugin\ActivityContextBase;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Entity\Query\Sql\QueryFactory;
use Drupal\group\Entity\GroupInterface;
use Drupal\user\EntityOwnerInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\group\Entity\GroupRelationship;
use Drupal\Core\Entity\EntityInterface;

/**
 * Provides a 'OwnerActivityContext' activity context.
 *
 * @ActivityContext(
 *   id = "owner_activity_context",
 *   label = @Translation("Owner activity context"),
 * )
 */
class OwnerActivityContext extends ActivityContextBase {


  /**
   * Constructs a MentionActivityContext 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\Core\Entity\Query\Sql\QueryFactory $entity_query
   *   The query factory.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   * @param \Drupal\activity_stream\ActivityFactory $activity_factory
   *   The activity factory service.
   * @param \Drupal\social_group\GroupMuteNotify $group_mute_notify
   *   The group mute notifications.
   */
  public function __construct(
    array $configuration,
    $plugin_id,
    $plugin_definition,
    QueryFactory $entity_query,
    EntityTypeManagerInterface $entity_type_manager,
    ActivityFactory $activity_factory
  ) {
    parent::__construct($configuration, $plugin_id, $plugin_definition, $entity_query, $entity_type_manager, $activity_factory);
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static(
      $configuration,
      $plugin_id,
      $plugin_definition,
      $container->get('entity.query.sql'),
      $container->get('entity_type.manager'),
      $container->get('activity_stream.activity_factory'),
    );
  }

  /**
   * {@inheritdoc}
   */
  public function getRecipients(array $data, int $last_id, int $limit): array {
    $recipients = [];   

    // We only know the context if there is a related object.
    if (isset($data['related_object']) && !empty($data['related_object'])) {
      $related_entity = $this->activityFactory->getActivityRelatedEntity($data);
      if (isset($related_entity['target_type'])) {
        $allowed_entity_types = ['node', 'organizer', 'comment'];
        if (in_array($related_entity['target_type'], $allowed_entity_types)) {
          $recipients += $this->getRecipientOwnerFromEntity($related_entity, $data);
        }
      }
    }

    // Remove the actor (user performing action) from recipients list.
    if (!empty($data['actor'])) {
      $key = array_search($data['actor'], array_column($recipients, 'target_id'), FALSE);
      if ($key !== FALSE) {
        unset($recipients[$key]);
      }
    }

    return $recipients;
  }

  /**
   * Returns owner recipient from entity.
   *
   * @param array $related_entity
   *   The related entity.
   * @param array $data
   *   The data.
   *
   * @return array
   *   An associative array of recipients, containing the following key-value
   *   pairs:
   *   - target_type: The entity type ID.
   *   - target_id: The entity ID.
   */
  public function getRecipientOwnerFromEntity(array $related_entity, array $data) {
    $recipients = [];

    $entity_storage = $this->entityTypeManager->getStorage($related_entity['target_type']);
    $entity = $entity_storage->load($related_entity['target_id']);

    // It could happen that a notification has been queued but the content
    // has since been deleted. In that case we can find no additional
    // recipients.
    if (!$entity) {
      return $recipients;
    }

    // Don't return recipients if user comments on own content.
    $original_related_object = $data['related_object'];
    if (isset($original_related_object['target_type']) && $original_related_object['target_type'] === 'comment') {
      $storage = $this->entityTypeManager->getStorage($original_related_object['target_type']);
      $original_related_entity = $storage->load($original_related_object['target_id']);

      if (!empty($original_related_entity) && $original_related_entity->getOwnerId() === $entity->getOwnerId()) {
        return $recipients;
      }
    }


    if ($entity instanceof EntityOwnerInterface) {
      $recipients[] = [
        'target_type' => 'user',
        'target_id' => $entity->getOwnerId(),
      ];
    }

    return $recipients;
  }
  
  /**
   * {@inheritdoc}
   */
  public function isValidEntity(EntityInterface $entity): bool {
    // Check if the content is placed in a group (regardless of content type).
    if (GroupRelationship::loadByEntity($entity)) {
      return FALSE;
    }

    return TRUE;

  }

}