BP_REST_Document_Endpoint::bp_rest_document_default_scope( string $scope, array $args )

	public function bp_rest_document_default_scope( $scope, $args ) {
		$new_scope = array();

		if ( ( 'all' === $scope || empty( $scope ) ) && ( empty( $args['group_id'] ) && empty( $args['user_id'] ) ) ) {
			$new_scope[] = 'public';

			if ( is_user_logged_in() ) {
				$new_scope[] = 'personal';

				if ( bp_is_active( 'friends' ) ) {
					$new_scope[] = 'friends';
				}
			}

			if ( bp_is_active( 'groups' ) ) {
				$new_scope[] = 'groups';
			}
		} elseif ( ! empty( $args['user_id'] ) && ( 'all' === $scope || empty( $scope ) ) ) {
			$new_scope[] = 'personal';
		} elseif ( bp_is_active( 'groups' ) && ! empty( $args['group_id'] ) && ( 'all' === $scope || empty( $scope ) ) ) {
			$new_scope[] = 'groups';
		}

		$new_scope = array_unique( $new_scope );

		if ( empty( $new_scope ) ) {
			$new_scope = (array) $scope;
		}

		/**
		 * Filter to update default scope.
		 */
		$new_scope = apply_filters( 'bp_rest_document_default_scope', $new_scope );

		return implode( ',', $new_scope );
	}