<?php

namespace Sabre;

class TestUtil {

    /**
     * This function deletes all the contents of the temporary directory.
     *
     * @return void
     */
    static function clearTempDir() {

        self::deleteTree(SABRE_TEMPDIR,false);

    }


    static private function deleteTree($path,$deleteRoot = true) {

        foreach(scandir($path) as $node) {

            if ($node=='.' || $node=='..') continue;
            $myPath = $path.'/'. $node;
            if (is_file($myPath)) {
                unlink($myPath);
            } else {
                self::deleteTree($myPath);
            }

        }
        if ($deleteRoot) {
            rmdir($path);
        }

    }

    static function getMySQLDB() {

        try {
            $pdo = new \PDO(SABRE_MYSQLDSN,SABRE_MYSQLUSER,SABRE_MYSQLPASS);
            $pdo->setAttribute(\PDO::ATTR_ERRMODE,\PDO::ERRMODE_EXCEPTION);
            return $pdo;
        } catch (\PDOException $e) {
            return null;
        }

    }

    static function getSQLiteDB() {

        $pdo = new \PDO('sqlite:'.SABRE_TEMPDIR.'/pdobackend');
        $pdo->setAttribute(\PDO::ATTR_ERRMODE,\PDO::ERRMODE_EXCEPTION);
        return $pdo;

    }

}