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using Newtonsoft.Json;
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using Quartz;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using WIDESEAWCS_BasicInfoRepository;
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using WIDESEAWCS_BasicInfoService;
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using WIDESEAWCS_IBasicInfoRepository;
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using WIDESEAWCS_ISystemRepository;
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using WIDESEAWCS_ISystemServices;
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using WIDESEAWCS_ITaskInfoRepository;
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using WIDESEAWCS_ITaskInfoService;
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using WIDESEAWCS_QuartzJob;
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using WIDESEAWCS_QuartzJob.Repository;
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using WIDESEAWCS_QuartzJob.Service;
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using WIDESEAWCS_SignalR;
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using WIDESEAWCS_Tasks.ElevatorJob;
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namespace WIDESEAWCS_Tasks
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{
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[DisallowConcurrentExecution]
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public partial class CommonDeleteLogJob : JobBase, IJob
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{
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private readonly ISys_DelLogRepository _logRepository;
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public CommonDeleteLogJob(ISys_DelLogRepository logRepository)
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{
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_logRepository = logRepository;
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}
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public Task Execute(IJobExecutionContext context)
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{
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try
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{
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Task.Run(() =>
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{
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while (true)
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{
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try
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{
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var logfileName = _logRepository.QueryData(x => true);
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foreach (var item in logfileName)
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{
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string folderPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, item.FileName);
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DateTime intervalTime = DateTime.Now.AddDays(-item.IntervalTime);
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CleanDirectory(folderPath, intervalTime);
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}
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Thread.Sleep(1000 * 60 * 60 * 24);
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}
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catch
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{
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Thread.Sleep(1000 * 60 * 60);
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}
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}
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});
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return Task.CompletedTask;
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}
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catch (Exception)
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{
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throw;
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}
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}
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public static void CleanDirectory(string rootPath, DateTime cutoffDate, bool deleteEmptyDirs = true)
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{
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var rootDir = new DirectoryInfo(rootPath);
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ValidateRootDirectory(rootDir); // 验证根目录有效性
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CleanDirectoryRecursive(rootDir, cutoffDate, deleteEmptyDirs);
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}
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private static void CleanDirectoryRecursive(DirectoryInfo dir, DateTime cutoffDate, bool deleteEmptyDirs)
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{
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// 第一步：处理当前目录下的所有子项
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foreach (var item in dir.GetFileSystemInfos())
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{
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if (item is FileInfo file)
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{
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if (file.LastWriteTime < cutoffDate)
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{
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DeleteWithRetry(file.FullName, maxRetries: 5);
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}
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}
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else if (item is DirectoryInfo subDir)
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{
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CleanDirectoryRecursive(subDir, cutoffDate, deleteEmptyDirs); // 递归处理子目录
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}
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}
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// 第二步：处理空目录（可选）
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if (deleteEmptyDirs &&
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dir.LastWriteTime < cutoffDate &&
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!dir.EnumerateFileSystemInfos().Any()) // 关键空置检测
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{
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try
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{
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if (IsRootDirectory(dir)) // 防止删除根目录
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{
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Console.WriteLine($"跳过根目录删除: {dir.FullName}");
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return;
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}
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dir.Delete(true); // 强制删除目录（含只读文件）
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Console.WriteLine($"已删除空目录: {dir.FullName}");
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}
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catch (Exception ex) when (ex is UnauthorizedAccessException or IOException)
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{
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Console.WriteLine($"无法删除目录: {dir.FullName} | 错误: {ex.Message}");
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}
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}
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}
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// 辅助方法：带重试的删除操作
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private static void DeleteWithRetry(string path, int maxRetries)
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{
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for (int i = 0; i <= maxRetries; i++)
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{
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try
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{
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if (File.Exists(path))
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{
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File.Delete(path);
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}
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else if (Directory.Exists(path))
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{
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Directory.Delete(path, true);
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}
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break;
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}
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catch (IOException ex) when (ex.HResult == -2147024894) // 文件被占用
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{
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if (i == maxRetries) throw;
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Thread.Sleep(100);
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}
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catch
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{
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if (i == maxRetries) throw;
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Thread.Sleep(50);
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}
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}
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}
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// 验证根目录有效性
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private static void ValidateRootDirectory(DirectoryInfo dir)
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{
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if (!dir.Exists) throw new DirectoryNotFoundException($"目录不存在: {dir.FullName}");
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if (IsSystemDirectory(dir)) throw new InvalidOperationException("禁止清理系统目录");
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}
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// 判断是否系统目录（示例）
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private static bool IsSystemDirectory(DirectoryInfo dir) =>
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dir.FullName.Contains("System32", StringComparison.OrdinalIgnoreCase) ||
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dir.FullName.Contains("ProgramData", StringComparison.OrdinalIgnoreCase);
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// 判断是否根目录（防止误删）
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private static bool IsRootDirectory(DirectoryInfo dir) =>
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Path.GetPathRoot(dir.FullName) == dir.FullName;
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}
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}
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