Modifying Genesis author box on archive template. Showing author box only when archive is of 'blog' category. Code goes in functions.php

functions.php

remove_action( 'genesis_before_loop', 'genesis_do_author_box_archive' );
add_action( 'genesis_before_loop', 'theme_author_box_archive' );
 
function theme_author_box_archive() {
    $authinfo = "<div class=\"author-box\">\r\n";
    $authinfo .= get_avatar( get_the_author_meta('email', (int) get_query_var( 'author' )), '50' );
    $authinfo .= "<b>" . get_the_author_meta('display_name', (int) get_query_var( 'author' )) . "\n </b>";
    $authinfo .= "<p>" . get_the_author_meta('description', (int) get_query_var( 'author' )) . "</p>\r\n";
    $facebook = get_the_author_meta('facebook_profile', (int) get_query_var( 'author' ));
    $twitter = get_the_author_meta('twitter_profile', (int) get_query_var( 'author' ));
    $website = get_the_author_meta('user_url', (int) get_query_var( 'author' ));
    $flength = strlen($facebook);
    $tlength = strlen($twitter);
 
    if ($website > 1 || $flength > 1 || $tlength > 1) {
  	$authinfo .= "<p id=\"authcontact\"><a href=" . $website . " target=\"_blank\" rel=\"nofollow\">Author's Blog</a> | <a href=" . $twitter . " target=\"_blank\" rel=\"nofollow\">Twitter</a> | <a href=" . $facebook . " target=\"_blank\" rel=\"nofollow\">Facebook</a></p>\r\n";
 
    }
    $authinfo .= "</div>\r\n";
    if ( is_author() && in_category( 'blog' ) ) {
        echo $authinfo;
    }
}