Save average rating on post meta for ci-comment-rating

gistfile1.txt

//Save the rating submitted by the user.
add_action( 'comment_post', 'ci_comment_rating_save_comment_rating' );
function ci_comment_rating_save_comment_rating( $comment_id ) {
	if ( ( isset( $_POST['rating'] ) ) && ( '' !== $_POST['rating'] ) ) {
		$rating = intval( $_POST['rating'] );
		add_comment_meta( $comment_id, 'rating', $rating );
		$postid = get_comment( $comment_id )->comment_post_ID;
		
		if ( metadata_exists('post', $postid, 'post_average_rating') ) {
			update_post_meta( $postid, 'post_average_rating', ci_comment_rating_get_average_ratings( $postid ) );
		} else {
			add_post_meta( $postid, 'post_average_rating', ci_comment_rating_get_average_ratings( $postid ), true );
		}
	}
}