<?php

namespace app\common\dao\util;

use think\facade\Db;

class TableOpsDao
{
    public function backupAndDeleteBatch(array $ops): void
    {
        foreach ($ops as [$table, $where]) {
        $this->backupAndDelete($table, $where);
        }
    }
    public function backupAndDelete(string $table, array $where): void
    {
        $rows = Db::name($table)->where($where)->select()->toArray();
        if ($rows) {
            Db::name('backup_' . $table)->insertAll($rows);
            Db::name($table)->where($where)->delete();
        }
    }

    public function restore(string $table, array $where): void
    {
        $backupTable = 'backup_' . $table;
        $rows = Db::name($backupTable)->where($where)->select()->toArray();
        if ($rows) {
            foreach ($rows as &$row) {
                if (isset($row['del_time'])) unset($row['del_time']);
            }
            unset($row);
            Db::name($table)->insertAll($rows);
            Db::name($backupTable)->where($where)->delete();
        }
    }

    public function restoreBatch(array $ops): void
    {
        foreach ($ops as [$table, $where]) {
            $this->restore($table, $where);
        }
    }
}