118 lines
3.8 KiB
C#
118 lines
3.8 KiB
C#
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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namespace DH.Commons.Helper
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{
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public static class SchemeHelper
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{
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private const string SchemesKey = "Schemes";
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private const string CurrentSchemeKey = "CurrentScheme";
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private const char Separator = '|';
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/// <summary>
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/// 初始化配置（首次运行时调用）
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/// </summary>
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public static void Initialize()
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{
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// 如果Schemes不存在，创建空键
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if (!SystemConfigHelper.KeyExists(SchemesKey))
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{
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SystemConfigHelper.SetValue(SchemesKey, "");
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}
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// 如果CurrentScheme不存在，创建空键
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if (!SystemConfigHelper.KeyExists(CurrentSchemeKey))
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{
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SystemConfigHelper.SetValue(CurrentSchemeKey, "");
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}
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}
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/// <summary>
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/// 获取所有方案（自动处理空值）
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/// </summary>
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public static List<string> GetAllSchemes()
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{
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var schemeString = SystemConfigHelper.GetValue(SchemesKey, "");
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return string.IsNullOrEmpty(schemeString)
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? new List<string>()
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: new List<string>(schemeString.Split(Separator));
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}
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/// <summary>
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/// 添加新方案（自动初始化处理）
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/// </summary>
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public static void AddScheme(string schemeName)
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{
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if (string.IsNullOrWhiteSpace(schemeName))
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throw new ArgumentException("方案名称无效");
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var schemes = GetAllSchemes();
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if (schemes.Contains(schemeName))
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throw new InvalidOperationException($"方案 {schemeName} 已存在");
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schemes.Add(schemeName);
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SaveSchemes(schemes);
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}
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/// <summary>
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/// 设置当前方案（空值安全处理）
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/// </summary>
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public static void SetCurrentScheme(string schemeName)
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{
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var schemes = GetAllSchemes();
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if (!schemes.Contains(schemeName))
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throw new KeyNotFoundException($"方案 {schemeName} 不存在");
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SystemConfigHelper.SetValue(CurrentSchemeKey, schemeName);
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}
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/// <summary>
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/// 获取当前方案（默认值处理）
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/// </summary>
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public static string GetCurrentScheme()
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{
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var current = SystemConfigHelper.GetValue(CurrentSchemeKey, "");
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return !string.IsNullOrEmpty(current) ? current : "默认方案";
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}
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private static void SaveSchemes(List<string> schemes)
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{
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var schemeString = schemes.Count > 0
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? string.Join(Separator.ToString(), schemes)
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: "";
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SystemConfigHelper.SetValue(SchemesKey, schemeString);
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}
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/// <summary>
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/// 删除指定方案（自动同步当前方案状态）
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/// </summary>
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/// <param name="schemeName">要删除的方案名称</param>
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/// <exception cref="ArgumentException">当方案名称为空时抛出</exception>
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/// <exception cref="KeyNotFoundException">当方案不存在时抛出</exception>
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public static void DeleteScheme(string schemeName)
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{
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if (string.IsNullOrWhiteSpace(schemeName))
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throw new ArgumentException("方案名称无效");
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var schemes = GetAllSchemes();
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if (!schemes.Contains(schemeName))
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throw new KeyNotFoundException($"方案 {schemeName} 不存在");
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// 删除前检查是否是当前方案
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bool isCurrent = GetCurrentScheme() == schemeName;
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// 执行删除操作
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schemes.Remove(schemeName);
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SaveSchemes(schemes);
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}
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}
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}
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