refactor: 重构 CopyConfigValuesToTempAsync 方法，提高代码可维护性和可扩展性

CoreAgent.Infrastructure/Services/Network/CellularNetworkService.cs

@@ -263,36 +263,17 @@ public class CellularNetworkService : ICellularNetworkService
     {
         try
         {
-            // 确保临时目录和配置目录存在
-            if (!Directory.Exists(_appSettings.TempDirectory))
-            {
-                Directory.CreateDirectory(_appSettings.TempDirectory);
-            }
-            if (!Directory.Exists(_appSettings.RanConfigDirectory))
-            {
-                Directory.CreateDirectory(_appSettings.RanConfigDirectory);
-            }
-            if (!Directory.Exists(_appSettings.MmeConfigDirectory))
-            {
-                Directory.CreateDirectory(_appSettings.MmeConfigDirectory);
-            }
+            // 确保所需目录存在
+            EnsureDirectoriesExist();
 
             // 复制 RAG 配置文件
             if (!string.IsNullOrEmpty(networkConfig.RagConfig))
             {
-                if (!File.Exists(networkConfig.RagConfig))
+                if (!CopyConfigFile(networkConfig.RagConfig, _appSettings.RanConfigDirectory, 
+                    path => networkConfig.RagConfig = path, "RAG"))
                 {
-                    _logger.LogError("RAG配置文件不存在: {FilePath}", networkConfig.RagConfig);
                     return false;
                 }
-
-                var ragFileName = Path.GetFileName(networkConfig.RagConfig);
-                var ragTempPath = Path.Combine(_appSettings.TempDirectory, ragFileName);
-                var ragRanPath = Path.Combine(_appSettings.RanConfigDirectory, ragFileName);
-                
-                File.Copy(networkConfig.RagConfig, ragTempPath, true);
-                File.Copy(networkConfig.RagConfig, ragRanPath, true);
-                networkConfig.RagConfig = ragRanPath;
             }
 
             // 复制核心网络配置文件和IMS配置文件
@@ -300,36 +281,20 @@ public class CellularNetworkService : ICellularNetworkService
             {
                 if (!string.IsNullOrEmpty(config.CoreNetworkConfig))
                 {
-                    if (!File.Exists(config.CoreNetworkConfig))
+                    if (!CopyConfigFile(config.CoreNetworkConfig, _appSettings.MmeConfigDirectory,
+                        path => config.CoreNetworkConfig = path, "核心网络"))
                     {
-                        _logger.LogError("核心网络配置文件不存在: {FilePath}", config.CoreNetworkConfig);
                         return false;
                     }
-
-                    var coreFileName = Path.GetFileName(config.CoreNetworkConfig);
-                    var coreTempPath = Path.Combine(_appSettings.TempDirectory, coreFileName);
-                    var coreMmePath = Path.Combine(_appSettings.MmeConfigDirectory, coreFileName);
-                    
-                    File.Copy(config.CoreNetworkConfig, coreTempPath, true);
-                    File.Copy(config.CoreNetworkConfig, coreMmePath, true);
-                    config.CoreNetworkConfig = coreMmePath;
                 }
 
                 if (!string.IsNullOrEmpty(config.ImsConfig))
                 {
-                    if (!File.Exists(config.ImsConfig))
+                    if (!CopyConfigFile(config.ImsConfig, _appSettings.MmeConfigDirectory,
+                        path => config.ImsConfig = path, "IMS"))
                     {
-                        _logger.LogError("IMS配置文件不存在: {FilePath}", config.ImsConfig);
                         return false;
                     }
-
-                    var imsFileName = Path.GetFileName(config.ImsConfig);
-                    var imsTempPath = Path.Combine(_appSettings.TempDirectory, imsFileName);
-                    var imsMmePath = Path.Combine(_appSettings.MmeConfigDirectory, imsFileName);
-                    
-                    File.Copy(config.ImsConfig, imsTempPath, true);
-                    File.Copy(config.ImsConfig, imsMmePath, true);
-                    config.ImsConfig = imsMmePath;
                 }
             }
 
@@ -342,6 +307,52 @@ public class CellularNetworkService : ICellularNetworkService
         }
     }
 
+    private void EnsureDirectoriesExist()
+    {
+        if (!Directory.Exists(_appSettings.TempDirectory))
+        {
+            Directory.CreateDirectory(_appSettings.TempDirectory);
+        }
+        if (!Directory.Exists(_appSettings.RanConfigDirectory))
+        {
+            Directory.CreateDirectory(_appSettings.RanConfigDirectory);
+        }
+        if (!Directory.Exists(_appSettings.MmeConfigDirectory))
+        {
+            Directory.CreateDirectory(_appSettings.MmeConfigDirectory);
+        }
+    }
+
+    private bool CopyConfigFile(string sourcePath, string targetDirectory, Action<string> updatePath, string configType)
+    {
+        if (!File.Exists(sourcePath))
+        {
+            _logger.LogError("{ConfigType}配置文件不存在: {FilePath}", configType, sourcePath);
+            return false;
+        }
+
+        var fileName = Path.GetFileName(sourcePath);
+        var tempPath = Path.Combine(_appSettings.TempDirectory, fileName);
+        
+        // 始终复制到临时目录
+        File.Copy(sourcePath, tempPath, true);
+
+        // 如果不在目标目录下，则复制到该目录并更新路径
+        if (!sourcePath.StartsWith(targetDirectory))
+        {
+            var targetPath = Path.Combine(targetDirectory, fileName);
+            File.Copy(sourcePath, targetPath, true);
+            updatePath(targetPath);
+            _logger.LogInformation("{ConfigType}配置文件已复制到目标目录: {FilePath}", configType, targetPath);
+        }
+        else
+        {
+            _logger.LogInformation("{ConfigType}配置文件已在目标目录中: {FilePath}", configType, sourcePath);
+        }
+
+        return true;
+    }
+
     private bool HasBothRagAndCoreConfigs(NetworkConfiguration config)
     {
         return !string.IsNullOrWhiteSpace(config.RagConfig) && config.CoreOrImsConfigs.Any();