kknongchang_2506/app/Module/Cleanup/AdminControllers/Actions/DownloadBackupAction.php

<?php

namespace App\Module\Cleanup\AdminControllers\Actions;

use App\Module\Cleanup\Services\CleanupService;
use Dcat\Admin\Grid\RowAction;
use Dcat\Admin\Actions\Response;
use Illuminate\Http\Request;

/**
 * 下载备份Action
 * 
 * 用于下载备份文件
 */
class DownloadBackupAction extends RowAction
{
    /**
     * 按钮标题
     */
    protected $title = '下载备份';

    /**
     * 处理请求
     */
    public function handle(Request $request)
    {
        try {
            $backupId = $this->getKey();
            
            // 调用服务生成下载链接
            $result = CleanupService::generateBackupDownloadUrl($backupId);
            
            if (!$result['success']) {
                return $this->response()
                    ->error('生成下载链接失败：' . $result['message']);
            }
            
            $data = $result['data'];
            
            return $this->response()
                ->success('下载链接已生成')
                ->detail("
                    备份名称：{$data['backup_name']}<br>
                    文件大小：{$data['file_size']}<br>
                    过期时间：{$data['expires_at']}<br>
                    <br>
                    <a href='{$data['download_url']}' class='btn btn-primary' target='_blank'>
                        <i class='fa fa-download'></i> 立即下载
                    </a>
                ");
                
        } catch (\Exception $e) {
            return $this->response()
                ->error('下载失败：' . $e->getMessage());
        }
    }

    /**
     * 确认对话框
     */
    public function confirm()
    {
        return [
            '确认下载备份？',
            '将生成临时下载链接，请及时下载。'
        ];
    }

    /**
     * 权限检查
     */
    public function allowed()
    {
        $row = $this->row;
        return $row->backup_status == 2; // 只有已完成的备份可以下载
    }
}