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path: root/public/app/extends/Cache_service.php
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<?php 
namespace app\extends;

use app\models\cms\Course_model;
use app\models\admin\Privilege_model;

/** Cache service
 * -----------------------------------------------------------------------------
 * 
 * class that gathers common source-expensive queries
 * and helps for performance optimization
 * 
 */
class Cache_service
{

    public static function courses_struct( $options = 0 )
    {
        return proxy(                  // cache-get categories
            [\app\models\cms\Course_model::class, 'courses_struct'],
            [], CACHE_ROOT_TTL, $options
        );
    }

    public static function files_attributes( $options = 0 )
    {
        return  proxy(
            [\app\models\cms\Course_model::class, 'files'],
            [], CACHE_ROOT_TTL, $options
        );
    }


    public static function privileges_hierarchy( $options = 0 )
    {
        return proxy(
            [\app\models\admin\Privilege_model::class, 'privileges'],
            [], CACHE_ROOT_TTL, $options
        );
    }




}