<?php defined('KOBLOG') or die('Koblog CMS.');

class MediaHelper {

    public static function getImage($slug) 
    {
        global $medias;
        if ($slug == '' || !$medias->exists($slug)) {
            return null;
        }
        return new Media($slug);
    }

    public static function getLogo()
    {
        global $site;
        return MediaHelper::getImage($site->logo());
    }

    public static function getFavicon()
    {
        global $site;
        return MediaHelper::getImage($site->favicon());
    }

    public static function getDefaultThumbnail()
    {
        global $site;
        return MediaHelper::getImage($site->defaultThumbnail());
    }

    public static function toHTML($media, $classes = "")
    {
        if ($media != null) {
            return $media->toHTML($classes);
        } else {
            return "";
        }
    }

}