68 lines
1.6 KiB
C#
68 lines
1.6 KiB
C#
using System;
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using System.IO;
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using System.Linq;
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using System.Text.Json;
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using Notify.Models;
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using Notify.Serialization;
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namespace Notify.Services;
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/// <summary>
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/// 每会话状态文件的读写，位于 %TEMP%\notify-{session_id}.json
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/// </summary>
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public static class StateStore
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{
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private static string FilePath(string sessionId) =>
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Path.Combine(Path.GetTempPath(), $"notify-{Sanitize(sessionId)}.json");
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public static void Save(string sessionId, StateData data)
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{
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try
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{
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File.WriteAllText(FilePath(sessionId), JsonSerializer.Serialize(data, AppJsonContext.Default.StateData));
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}
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catch
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{
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// 落盘失败不致命
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}
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}
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public static StateData? Load(string sessionId)
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{
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try
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{
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var path = FilePath(sessionId);
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if (File.Exists(path))
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{
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return JsonSerializer.Deserialize(File.ReadAllText(path), AppJsonContext.Default.StateData);
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}
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}
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catch
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{
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// 损坏或不可读则当作无状态
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}
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return null;
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}
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public static void Delete(string sessionId)
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{
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try
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{
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var path = FilePath(sessionId);
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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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}
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catch
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{
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// 忽略
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}
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}
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// 只保留文件名安全字符，避免 session_id 含特殊字符破坏路径
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private static string Sanitize(string s) =>
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new(s.Where(c => char.IsLetterOrDigit(c) || c is '-' or '_').ToArray());
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}
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