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<?php
namespace com\linways\core\ams\professional\service;
use com\linways\core\ams\professional\exception\ProfessionalException;
/**
 *
 * @Date 28/10/20
 */
class ModuleServices extends BaseService
{
    /**
     * @var null
     */
    private static $_instance = null;
    /**
     * LectureHourService constructor.
     */
    private function __construct()
    {
    }
    /**
     * prevent cloning
     */
    private function __clone()
    {
    }
    /**
     * @return ModuleServices|null
     */
    public static function getInstance()
    {
        if (!is_object(self::$_instance))
            self::$_instance = new self();
        return self::$_instance;
    }
    /**
     * @return Object
     * @throws ProfessionalException
     */
    public function getAllModules()
    {
        $sql = "SELECT * FROM modules WHERE is_active=1 ORDER BY priority";
        try {
            return $this->executeQueryForList($sql);
        } catch (\Exception $e) {
            throw new ProfessionalException($e->getCode(), $e->getMessage());
        }
    }
}