提交

DH.Commons/Helper/ConfigHelper.cs

@@ -0,0 +1,227 @@
+using System;
+using System.IO;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using DH.Commons.Base;
+using DH.Commons.Models;
+
+namespace DH.Commons.Helper
+{
+    public static class ConfigHelper
+    {
+        private static readonly JsonSerializerOptions _jsonOptions = new JsonSerializerOptions
+        {
+            WriteIndented = true,
+            PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
+            IgnoreNullValues = true
+        };
+
+        /// <summary>
+        /// 配置存储根目录
+        /// </summary>
+        private static string ConfigsRoot => Path.Combine(
+            AppDomain.CurrentDomain.BaseDirectory,
+            "configs");
+
+        /// <summary>
+        /// 获取当前方案的主配置文件路径
+        /// </summary>
+        private static string CurrentConfigPath
+        {
+            get
+            {
+                ValidateCurrentScheme();
+                return Path.Combine(
+                    ConfigsRoot,
+                    $"config_{SystemModel.CurrentScheme}.json");
+            }
+        }
+
+        /// <summary>
+        /// 获取当前方案的备份目录路径
+        /// </summary>
+        private static string CurrentBackupDir
+        {
+            get
+            {
+                ValidateCurrentScheme();
+                return Path.Combine(
+                    ConfigsRoot,
+                    $"bak_{SystemModel.CurrentScheme}");
+            }
+        }
+
+        /// <summary>
+        /// 初始化新方案（创建空文件）
+        /// </summary>
+        public static void InitializeScheme(string scheme)
+        {
+            SystemModel.CurrentScheme = scheme;
+
+            // 创建空配置文件
+            if (!File.Exists(CurrentConfigPath))
+            {
+                Directory.CreateDirectory(ConfigsRoot);
+                File.WriteAllText(CurrentConfigPath, "{}");
+            }
+
+            // 创建备份目录
+            Directory.CreateDirectory(CurrentBackupDir);
+        }
+
+        /// <summary>
+        /// 保存当前配置（自动备份）
+        /// </summary>
+        public static void SaveConfig()
+        {
+            ValidateCurrentScheme();
+
+            // 确保配置目录存在
+            Directory.CreateDirectory(ConfigsRoot);
+
+            // 备份现有配置
+            if (File.Exists(CurrentConfigPath))
+            {
+                var backupName = $"config_{SystemModel.CurrentScheme}_{DateTime.Now:yyyyMMddHHmmss}.json";
+                var backupPath = Path.Combine(CurrentBackupDir, backupName);
+
+                Directory.CreateDirectory(CurrentBackupDir);
+                File.Copy(CurrentConfigPath, backupPath);
+            }
+
+            // 序列化当前配置
+            var json = JsonSerializer.Serialize(new
+            {
+                ConfigModel.CameraBaseList,
+                ConfigModel.PLCBaseList,
+                ConfigModel.DetectionList
+            }, _jsonOptions);
+
+            // 写入新配置
+            File.WriteAllText(CurrentConfigPath, json);
+        }
+
+        /// <summary>
+        /// 加载当前方案配置
+        /// </summary>
+        public static void LoadConfig()
+        {
+            ValidateCurrentScheme();
+
+            if (!File.Exists(CurrentConfigPath))
+            {
+                InitializeScheme(SystemModel.CurrentScheme);
+                return;
+            }
+
+            var json = File.ReadAllText(CurrentConfigPath);
+            var data = JsonSerializer.Deserialize<ConfigData>(json, _jsonOptions);
+
+            ConfigModel.CameraBaseList = data?.Cameras ?? new List<CameraBase>();
+            ConfigModel.PLCBaseList = data?.PLCs ?? new List<PLCBase>();
+            ConfigModel.DetectionList = data?.Detections ?? new List<DetectionConfig>();
+        }
+
+        /// <summary>
+        /// 验证当前方案有效性
+        /// </summary>
+        private static void ValidateCurrentScheme()
+        {
+            if (string.IsNullOrWhiteSpace(SystemModel.CurrentScheme))
+                throw new InvalidOperationException("当前方案未设置");
+        }
+        /// <summary>
+        /// 派生新方案（基于当前方案创建副本）
+        /// </summary>
+        /// <param name="newSchemeName">新方案名称</param>
+        public static void DeriveScheme(string newSchemeName)
+        {
+            // 验证输入
+            if (string.IsNullOrWhiteSpace(newSchemeName))
+            {
+                throw new ArgumentException("新方案名称不能为空");
+            }
+
+            // 验证当前方案是否有效
+            ValidateCurrentScheme();
+
+            // 检查新方案是否已存在
+            var newConfigPath = Path.Combine(ConfigsRoot, $"config_{newSchemeName}.json");
+            if (File.Exists(newConfigPath))
+            {
+                throw new InvalidOperationException($"方案 {newSchemeName} 已存在");
+            }
+
+            // 保存当前配置确保最新
+            SaveConfig();
+
+            try
+            {
+                // 复制配置文件
+                File.Copy(CurrentConfigPath, newConfigPath);
+
+                // 创建备份目录
+                var newBackupDir = Path.Combine(ConfigsRoot, $"bak_{newSchemeName}");
+                Directory.CreateDirectory(newBackupDir);
+
+                // 可选：自动切换新方案
+                // SystemModel.CurrentScheme = newSchemeName;
+            }
+            catch (IOException ex)
+            {
+                throw new InvalidOperationException($"方案派生失败: {ex.Message}", ex);
+            }
+        }
+
+        /// <summary>
+        /// 删除指定方案的配置文件及备份目录
+        /// </summary>
+        /// <param name="schemeName">要删除的方案名称</param>
+        /// <exception cref="ArgumentException">当方案名称为空时抛出</exception>
+        /// <exception cref="IOException">文件操作失败时抛出</exception>
+        public static void DeleteSchemeConfig(string schemeName)
+        {
+            if (string.IsNullOrWhiteSpace(schemeName))
+                throw new ArgumentException("方案名称无效");
+
+            // 构造路径
+            var configPath = Path.Combine(ConfigsRoot, $"config_{schemeName}.json");
+            var backupDir = Path.Combine(ConfigsRoot, $"bak_{schemeName}");
+
+            try
+            {
+                // 删除配置文件
+                if (File.Exists(configPath))
+                {
+                    File.Delete(configPath);
+                }
+
+                // 删除备份目录（递归删除）
+                if (Directory.Exists(backupDir))
+                {
+                    Directory.Delete(backupDir, true);
+                }
+            }
+            catch (Exception ex) when (ex is IOException || ex is UnauthorizedAccessException)
+            {
+                throw new IOException($"删除方案 {schemeName} 的配置文件失败: {ex.Message}", ex);
+            }
+        }
+
+
+        /// <summary>
+        /// 配置数据模型（内部类）
+        /// </summary>
+        private class ConfigData
+        {
+            [JsonPropertyName("cameraBaseList")]
+            public List<CameraBase> Cameras { get; set; } = new List<CameraBase>();
+
+            [JsonPropertyName("plcBaseList")]
+            public List<PLCBase> PLCs { get; set; } = new List<PLCBase>();
+
+            [JsonPropertyName("detectionList")]
+            public List<DetectionConfig> Detections { get; set; } = new List<DetectionConfig>();
+        }
+    }
+}