public function GroupContent::getListCacheTagsToInvalidate in Group 8

Same name and namespace in other branches

1. 2.0.x src/Entity/GroupContent.php \Drupal\group\Entity\GroupContent::getListCacheTagsToInvalidate()

The list cache tags to invalidate for this entity.

Return value

string[] Set of list cache tags.

Overrides EntityBase::getListCacheTagsToInvalidate

File

src/Entity/GroupContent.php, line 240

Class

GroupContent

Defines the Group content entity.

Namespace

Drupal\group\Entity

Code

public function getListCacheTagsToInvalidate() {
  $tags = parent::getListCacheTagsToInvalidate();
  $group_id = $this
    ->get('gid')->target_id;
  $entity_id = $this
    ->get('entity_id')->target_id;
  $plugin_id = $this
    ->getGroupContentType()
    ->getContentPluginId();

  // A specific group gets any content, regardless of plugin used.
  // E.g.: A group's list of entities can be flushed with this.
  $tags[] = "group_content_list:group:{$group_id}";

  // A specific entity gets added to any group, regardless of plugin used.
  // E.g.: An entity's list of groups can be flushed with this.
  $tags[] = "group_content_list:entity:{$entity_id}";

  // Any entity gets added to any group using a specific plugin.
  // E.g.: A list of all memberships anywhere can be flushed with this.
  $tags[] = "group_content_list:plugin:{$plugin_id}";

  // A specific group gets any content using a specific plugin.
  // E.g.: A group's list of members can be flushed with this.
  $tags[] = "group_content_list:plugin:{$plugin_id}:group:{$group_id}";

  // A specific entity gets added to any group using a specific plugin.
  // E.g.: A user's list of memberships can be flushed with this.
  $tags[] = "group_content_list:plugin:{$plugin_id}:entity:{$entity_id}";
  return $tags;
}