Update vor Umbau Service

API_NetFramework/TableConfigProvider.cs

@@ -0,0 +1,46 @@
+using Newtonsoft.Json;
+using System.IO;
+using System.Web;
+
+namespace WebApp
+{
+    public class TableConfigRoot
+    {
+        public System.Collections.Generic.List<TableConfig> Tables { get; set; }
+    }
+
+    public class TableConfig
+    {
+        public string Key { get; set; }
+        public string DisplayName { get; set; }
+        public string SqlList { get; set; }
+        public string SqlById { get; set; }
+        public string IdField { get; set; }
+        public string DisplayField { get; set; }
+        public string JsonField { get; set; }
+    }
+
+    public static class TableConfigProvider
+    {
+        private static TableConfigRoot _cache;
+
+        public static TableConfigRoot LoadConfig()
+        {
+            if (_cache != null)
+                return _cache;
+
+            // ✅ HttpContext.Current verwenden statt Context
+            string path = HttpContext.Current.Server.MapPath("~/App_Data/TableConfig.json");
+
+            if (!File.Exists(path))
+                throw new FileNotFoundException("TableConfig.json nicht gefunden", path);
+
+            string json = File.ReadAllText(path);
+            _cache = JsonConvert.DeserializeObject<TableConfigRoot>(json);
+            if (_cache.Tables == null) _cache.Tables = new System.Collections.Generic.List<TableConfig>();
+            return _cache;
+        }
+
+        public static void ResetCache() => _cache = null;
+    }
+}