feat: 优化 NetworkConfiguration 实体类，添加验证和辅助方法

CoreAgent.Domain/Entities/NetworkConfiguration.cs

@@ -0,0 +1,176 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+
+namespace CoreAgent.Domain.Entities
+{
+    /// <summary>
+    /// 网络配置实体
+    /// </summary>
+    public class NetworkConfiguration : IValidatableObject
+    {
+        /// <summary>
+        /// 配置键值
+        /// </summary>
+        [Required(ErrorMessage = "配置键值不能为空")]
+        public string ConfigKey { get; set; }
+
+        /// <summary>
+        /// RAN配置文件路径
+        /// </summary>
+        [Required(ErrorMessage = "RAN配置路径不能为空")]
+        public string RagConfig { get; set; }
+
+        /// <summary>
+        /// 核心网和IMS配置列表
+        /// </summary>
+        [Required(ErrorMessage = "核心网和IMS配置不能为空")]
+        [MinLength(1, ErrorMessage = "至少需要一个核心网和IMS配置")]
+        public List<CoreImsConfig> CoreOrImsConfigs { get; set; }
+
+        /// <summary>
+        /// APN配置
+        /// </summary>
+        [Required(ErrorMessage = "APN配置不能为空")]
+        public string Apn { get; set; }
+
+        /// <summary>
+        /// 频段配置
+        /// </summary>
+        [Required(ErrorMessage = "频段配置不能为空")]
+        [MinLength(1, ErrorMessage = "至少需要一个频段配置")]
+        public List<string> Band { get; set; }
+
+        /// <summary>
+        /// 配置说明
+        /// </summary>
+        public string Comment { get; set; }
+
+        /// <summary>
+        /// 验证配置
+        /// </summary>
+        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+        {
+            // 验证PLMN是否重复
+            var plmnGroups = CoreOrImsConfigs.GroupBy(x => x.Plmn);
+            foreach (var group in plmnGroups)
+            {
+                if (group.Count() > 1)
+                {
+                    yield return new ValidationResult($"PLMN {group.Key} 重复配置");
+                }
+            }
+
+            // 验证索引是否连续
+            var orderedConfigs = CoreOrImsConfigs.OrderBy(x => x.Index).ToList();
+            for (int i = 0; i < orderedConfigs.Count; i++)
+            {
+                if (orderedConfigs[i].Index != i + 1)
+                {
+                    yield return new ValidationResult($"配置索引不连续，期望 {i + 1}，实际 {orderedConfigs[i].Index}");
+                }
+            }
+
+            // 验证频段格式
+            foreach (var band in Band)
+            {
+                if (!band.StartsWith("B") || !int.TryParse(band.Substring(1), out _))
+                {
+                    yield return new ValidationResult($"频段格式不正确: {band}，应为 B1、B2 等格式");
+                }
+            }
+        }
+
+        /// <summary>
+        /// 获取指定PLMN的配置
+        /// </summary>
+        public CoreImsConfig GetConfigByPlmn(string plmn)
+        {
+            return CoreOrImsConfigs.FirstOrDefault(x => x.Plmn == plmn);
+        }
+
+        /// <summary>
+        /// 获取指定索引的配置
+        /// </summary>
+        public CoreImsConfig GetConfigByIndex(int index)
+        {
+            return CoreOrImsConfigs.FirstOrDefault(x => x.Index == index);
+        }
+
+        /// <summary>
+        /// 验证配置文件是否存在
+        /// </summary>
+        public bool ValidateConfigFiles()
+        {
+            if (!System.IO.File.Exists(RagConfig))
+            {
+                throw new InvalidOperationException($"RAN配置文件不存在: {RagConfig}");
+            }
+
+            foreach (var config in CoreOrImsConfigs)
+            {
+                if (!System.IO.File.Exists(config.CoreNetworkConfig))
+                {
+                    throw new InvalidOperationException($"核心网配置文件不存在: {config.CoreNetworkConfig}");
+                }
+                if (!System.IO.File.Exists(config.ImsConfig))
+                {
+                    throw new InvalidOperationException($"IMS配置文件不存在: {config.ImsConfig}");
+                }
+            }
+
+            return true;
+        }
+    }
+
+    /// <summary>
+    /// 核心网和IMS配置实体
+    /// </summary>
+    public class CoreImsConfig
+    {
+        /// <summary>
+        /// 配置索引
+        /// </summary>
+        [Required(ErrorMessage = "配置索引不能为空")]
+        [Range(1, int.MaxValue, ErrorMessage = "配置索引必须大于0")]
+        public int Index { get; set; }
+
+        /// <summary>
+        /// PLMN码
+        /// </summary>
+        [Required(ErrorMessage = "PLMN码不能为空")]
+        [RegularExpression(@"^\d{5,6}$", ErrorMessage = "PLMN码必须是5-6位数字")]
+        public string Plmn { get; set; }
+
+        /// <summary>
+        /// 核心网配置文件路径
+        /// </summary>
+        [Required(ErrorMessage = "核心网配置路径不能为空")]
+        [RegularExpression(@"^Config/CoreNetwork/.*\.cfg$", ErrorMessage = "核心网配置路径格式不正确")]
+        public string CoreNetworkConfig { get; set; }
+
+        /// <summary>
+        /// IMS配置文件路径
+        /// </summary>
+        [Required(ErrorMessage = "IMS配置路径不能为空")]
+        [RegularExpression(@"^Config/Ims/.*\.cfg$", ErrorMessage = "IMS配置路径格式不正确")]
+        public string ImsConfig { get; set; }
+
+        /// <summary>
+        /// 获取配置文件的完整路径
+        /// </summary>
+        public string GetFullCoreNetworkConfigPath()
+        {
+            return System.IO.Path.GetFullPath(CoreNetworkConfig);
+        }
+
+        /// <summary>
+        /// 获取IMS配置文件的完整路径
+        /// </summary>
+        public string GetFullImsConfigPath()
+        {
+            return System.IO.Path.GetFullPath(ImsConfig);
+        }
+    }
+}