Issue #3301536 by diaodiallo: Update group assignment after content update

  }

}

/**

 * Implement hook_node_update

 */

function content_to_group_node_update(Drupal\node\NodeInterface $node) {

  $config = \Drupal::service('config.factory')

    ->getEditable('content_to_group.settings');

  $types = array_keys($config->get('types'));

  if (in_array($node->bundle(), $types)) {

    $contentToGroupUtility = new ContentToGroupUtility(\Drupal::entityTypeManager());

    $field = $contentToGroupUtility->getGroupField($node);

    if ($field !== NULL) {

      if ($node->id()) {

        $route_name = \Drupal::routeMatch()->getRouteName();

        if ($route_name != 'entity.group_content.create_form') {

          $gid = $node->get($field)

            ->getValue()[0]["target_id"];

          $group = Group::load($gid);

          if ($group !== NULL) {

            $type = 'group_node:' . $node->getType();

            // Check if its not already in the group

            $relation = $group->getContentByEntityId($type, $node->id());

            if (!$relation) {

              // Search other existing relations

              $group_contents = $contentToGroupUtility->getGroupContent($node);

              // add to new group

              $group->addContent($node, $type);

              // Remove other relations

              if ($group_contents) {

                foreach ($group_contents as $group_content) {

                  $group_content->delete();

                  Drupal::logger('content_to_group')

                    ->notice('Removed ' . $node->getType() . ': "' . $node->label() . '" from group: "' . $group_content->getGroup()

                        ->label() . '"');

                }

              }

            }

          }

        }

      }

    }

  }

}

    return $group_field;

  }

  /**

   * Get the group content.

   */

  public function getGroupContent($node) {

    $group_contents = $this->entityTypeManager->getStorage('group_content')

      ->loadByEntity($node);

    if ($group_contents !== NULL) {

      return $group_contents;

    }

    return NULL;

  }

}