function bp_legacy_theme_ajax_messages_star_handler() {
	if ( false === bp_is_active( 'messages', 'star' ) || empty( $_POST['message_id'] ) ) {
		return;
	}

	// Check nonce.
	check_ajax_referer( 'bp-messages-star-' . (int) $_POST['message_id'], 'nonce' );

	// Check capability.
	if ( ! is_user_logged_in() || ! bp_core_can_edit_settings() ) {
		return;
	}

	if ( true === bp_messages_star_set_action( array(
		'action'     => $_POST['star_status'],
		'message_id' => (int) $_POST['message_id'],
		'bulk'       => ! empty( $_POST['bulk'] ) ? true : false
	 ) ) ) {
		echo '1';
		die();
	}

	echo '-1';
	die();
}