<?php

namespace App\Utilities;

class DatabaseFunctions
{
    public static function save_update($query)
    {
        $max_tries = 5;
        $tries = 0;
        do {
            $retry = false;
            $tries++;
            try {

                $query->save();

                return $query;
            } catch (\PDOException $exc) {
                if ($tries < $max_tries && $exc->errorInfo[0] == 40001 && $exc->errorInfo[1] == 1213) {
                    $retry = true;
                    sleep(1);
                } else {
                    throw $exc;
                }
            }
        } while ($retry);
    }
}