using System.IO;
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namespace IStation.DAL
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{
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/// <summary>
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/// 文件辅助类
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/// </summary>
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public class FileHelper
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{
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private const string _extension = ".txt";//文件扩展名
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/// <summary>
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/// 查询数据文件夹路径
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/// </summary>
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public static string GetDataPath()
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{
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var path = Path.Combine(LocalFileConfig.RootDirectory, "Data");
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if (!Directory.Exists(path))
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Directory.CreateDirectory(path);
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return path;
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}
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/// <summary>
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/// 查询工作文件夹路径
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/// </summary>
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public static string GetWorkPath()
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{
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var dataPath = GetDataPath();
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var workPath = Path.Combine(dataPath, LocalFileConfig.WorkFolder);
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if (!Directory.Exists(workPath))
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Directory.CreateDirectory(workPath);
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return workPath;
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}
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/// <summary>
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/// 查询版本文件夹路径
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/// </summary>
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public static string GetVersionsPath()
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{
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var workPath = GetWorkPath();
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var projectPath = Path.Combine(workPath, LocalFileConfig.Versions);
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if (!Directory.Exists(projectPath))
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Directory.CreateDirectory(projectPath);
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return projectPath;
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}
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/// <summary>
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/// 查询文件路径
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/// </summary>
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public static string GetFilePath<T>(string folderPath) where T : class
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{
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if (!Directory.Exists(folderPath))
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Directory.CreateDirectory(folderPath);
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var objType = typeof(T);
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var fileName = Path.Combine(folderPath, objType.Name + _extension);
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return fileName;
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}
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/// <summary>
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/// 保存对象到文件中
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/// </summary>
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public static void SaveObjectFile<T>(string fileName, T t) where T : class
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{
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var str = JsonHelper.Object2FormatJson(t);
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File.WriteAllText(fileName, str);
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}
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/// <summary>
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/// 查询文件对象
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/// </summary>
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public static T GetFileObject<T>(string fileName) where T : class
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{
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if (!File.Exists(fileName))
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return default;
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var str = File.ReadAllText(fileName);
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if (string.IsNullOrEmpty(str))
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return default;
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return JsonHelper.Json2Object<T>(str);
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}
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/// <summary>
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/// 查询ID
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/// </summary>
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public static long NextId()
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{
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return SnowflakeIdHelper.NextId();
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}
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}
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}
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