nus should not appear on single WordPress setups.
		 *
		 * Comments and posts made by users will still show in their activity.
		 */
		if ( ! is_multisite() ) {
			return;
		}

		// Menus for logged in user.
		if ( is_user_logged_in() ) {

			// Setup the logged in user variables.
			$blogs_slug = bp_get_blogs_slug();

			// Add the "Sites" sub menu.
			$wp_admin_nav[] = array(
				'parent' => buddypress()->my_account_menu_id,
				'id'     => 'my-account-' . $this->id,
				'title'  => __( 'Sites', 'buddypress' ),
				'href'   => bp_loggedin_user_url( bp_members_get_path_chunks( array( $blogs_slug ) ) ),
			);

			// My Sites.
			$wp_admin_nav[] = array(
				'parent'   => 'my-account-' . $this->id,
				'id'       => 'my-account-' . $this->id . '-my-sites',
				'title'    => __( 'My Sites', 'buddypress' ),
				'href'     => bp_loggedin_user_url( bp_members_get_path_chunks( array( $blogs_slug, 'my-sites' ) ) ),
				'position' => 10,
			);

			// Create a Site.
			if ( bp_blog_signup_enabled() ) {
				$url = bp_get_blogs_directory_url(
					array(
						'create_single_item' => 1,
					)
				);

				$wp_admin_nav[] = array(
					'parent'   => 'my-account-' . $this->id,
					'id'       => 'my-account-' . $this->id . '-create',
					'title'    => __( 'Create a Site', 'buddypress' ),
					'href'     => $url,
					'position' => 99
				);
			}
		}

		parent::setup_admin_bar( $wp_admin_nav );
	}

	/**
	 * Set up the title for pages and <title>.
	 */
	public function setup_title() {

		// Set up the component options navigation for Site.
		if ( bp_is_blogs_component() ) {
			$bp = buddypress();

			if ( bp_is_my_profile() ) {
				if ( bp_is_active( 'xprofile' ) ) {
					$bp->bp_options_title = __( 'My Sites', 'buddypress' );
				}

			// If we are not viewing the logged in user, set up the current
			// users avatar and name.
			} else {
				$bp->bp_options_avatar = bp_core_fetch_avatar( array(
					'item_id' => bp_displayed_user_id(),
					'type'    => 'thumb',
					'alt'     => sprintf(
						/* translators: %s: member name */
						__( 'Profile picture of %s', 'buddypress' ),
						bp_get_displayed_user_fullname()
					),
				) );
				$bp->bp_options_title = bp_get_displayed_user_fullname();
			}
		}

		parent::setup_title();
	}

	/**
	 * Setup cache groups
	 *
	 * @since 2.2.0
	 */
	public function setup_cache_groups() {

		// Global groups.
		wp_cache_add_global_groups( array(
			'bp_blog_meta'
		) );

		parent::setup_cache_groups();
	}

	/**
	 * Add the Blog Create rewrite tags.
	 *
	 * @since 12.0.0
	 *
	 * @param array $rewrite_tags Optional. See BP_Component::add_rewrite_tags() for
	 *                            description.
	 */
	public function add_rewrite_tags( $rewrite_tags = array() ) {
		$rewrite_tags = array(
			'create_single_item'         => '([1]{1,})',
			'directory_action'           => '([^/]+)',
			'directory_action_variables' => '(.+?)',
		);

		parent::add_rewrite_tags( $rewrite_tags );
	}

	/**
	 * Add the Registration and Activation rewrite rules.
	 *
	 * @since 12.0.0
	 *
	 * @param array $rewrite_rules Optional. See BP_Component::add_rewrite_rules() for
	 *                             description.
	 */
	public function add_rewrite_rules( $rewrite_rules = array() ) {
		$create_slug = bp_rewrites_get_slug( 'blogs', 'blog_create', 'create' );

		$rewrite_rules = array(
			'directory_action_variables' => array(
				'regex' => $this->root_slug . '/([^/]+)/(.+?)/?$',
				'order' => 70,
				'query' => 'index.php?' . $this->rewrite_ids['directory'] . '=1&' . $this->rewrite_ids['directory_action'] . '=$matches[1]&' . $this->rewrite_ids['directory_action_variables'] . '=$matches[2]',
			),
			'directory_action'           => array(
				'regex' => $this->root_slug . '/([^/]+)/?$',
				'order' => 60,
				'query' => 'index.php?' . $this->rewrite_ids['directory'] . '=1&' . $this->rewrite_ids['directory_action'] . '=$matches[1]',
			),
			'create_single_item' => array(
				'regex' => $this->root_slug . '/' . $create_slug . '/?$',
				'order' => 50,
				'query' => 'index.php?' . $this->rewrite_ids['directory'] . '=1&' . $this->rewrite_ids['create_single_item'] . '=1',
			),
		);

		parent::add_rewrite_rules( $rewrite_rules );
	}

	/**
	 * Parse the WP_Query and eventually display the component's directory or single item.
	 *
	 * @since 12.0.0
	 *
	 * @param WP_Query $query Required. See BP_Component::parse_query() for
	 *                        description.
	 */
	public function parse_query( $query ) {
		/*
		 * Only Multisite configs have a Sites directory.
		 * If BP Rewrites are not in use, no need to parse BP URI globals another time.
		 * Legacy Parser should have already set these.
		 */
		if ( ! is_multisite() || 'rewrites' !== bp_core_get_query_parser() ) {
			return parent::parse_query( $query );
		}

		// Get the BuddyPress main instance.
		$bp = buddypress();

		if ( home_url( '/' ) === bp_get_requested_url() && bp_is_directory_homepage( $this->id ) ) {
			$query->set( $this->rewrite_ids['directory'], 1 );
		}

		if ( 1 === (int) $query->get( $this->rewrite_ids['directory'] ) ) {
			$bp->current_component = 'blogs';
			$is_blog_create        = 1 === (int) $query->get( $this->rewrite_ids['create_single_item'] );

			if ( $is_blog_create ) {
				$bp->current_action = 'create';
			} else {
				$current_action = $query->get( $this->rewrite_ids['directory_action'] );
				if ( $current_action ) {
					$bp->current_action = $current_action;
				}

				$action_variables = $query->get( $this->rewrite_ids['directory_action_variables'] );
				if ( $action_variables ) {
					if ( ! is_array( $action_variables ) ) {
						$bp->action_variables = explode( '/', ltrim( $action_variables, '/' ) );
					} else {
						$bp->action_variables = $action_variables;
					}
				}
			}

			// Set the BuddyPress queried object.
			if ( isset( $bp->pages->blogs->id ) && ( ! bp_current_action() || bp_is_current_action( 'create' ) ) ) {
				$query->queried_object    = get_post( $bp->pages->blogs->id );
				$query->queried_object_id = $query->queried_object->ID;
			}
		}

		parent::parse_query( $query );
	}

	/**
	 * Init the BP REST API.
	 *
	 * @since 6.0.0
	 *
	 * @param array $controllers Optional. See BP_Component::rest_api_init() for
	 *                           description.
	 */
	public function rest_api_init( $controllers = array() ) {
		if ( is_multisite() ) {
			$controllers = array(
				'BP_REST_Blogs_Endpoint',
			);

			// Support to Blog Avatar.
			if ( bp_is_active( 'blogs', 'site-icon' ) ) {
				$controllers[] = 'BP_REST_Attachments_Blog_Avatar_Endpoint';
			}
		}

		parent::rest_api_init( $controllers );
	}

	/**
	 * Register the BP Blogs Blocks.
	 *
	 * @since 9.0.0
	 * @since 12.0.0 Use the WP Blocks API v2.
	 *
	 * @param array $blocks Optional. See BP_Component::blocks_init() for
	 *                      description.
	 */
	public function blocks_init( $blocks = array() ) {
		$blocks = array();

		if ( is_multisite() && bp_is_active( 'activity' ) ) {
			$blocks['bp/recent-posts'] = array(
				'metadata'        => trailingslashit( buddypress()->plugin_dir ) . 'bp-blogs/blocks/recent-posts',
				'render_callback' => 'bp_blogs_render_recent_posts_block',
			);
		}

		parent::blocks_init( $blocks );
	}
}