Commit inicial: ITCA_API_SAP_WMS (.NET Core 3.1)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Net.Data/LocalData.cs

@@ -0,0 +1,37 @@
+using Microsoft.Extensions.Configuration;
+using System;
+
+namespace Net.Data
+{
+    public class LocalData
+    {
+        public static string ConnectionString { get; private set; }
+
+        // Esquema HANA: por defecto la compañia del Service Layer (SapServiceLayer:company)
+        public static string Schema { get; private set; }
+
+        // Unico punto de lectura de las credenciales HANA (seccion "Hana" de appsettings.json)
+        public static void Configure(IConfiguration configuration)
+        {
+            var server = configuration["Hana:server"];
+            var user = configuration["Hana:user"];
+            var password = configuration["Hana:password"];
+
+            if (string.IsNullOrWhiteSpace(server) || string.IsNullOrWhiteSpace(user) || string.IsNullOrEmpty(password))
+            {
+                throw new InvalidOperationException("Falta la seccion \"Hana\" (server, user, password) en appsettings.json");
+            }
+
+            ConnectionString = $"Server={server};UserName={user};Password={password}";
+
+            var schema = configuration["Hana:schema"];
+            if (string.IsNullOrWhiteSpace(schema)) schema = configuration["SapServiceLayer:company"];
+            if (string.IsNullOrWhiteSpace(schema))
+            {
+                throw new InvalidOperationException("Falta el esquema HANA: configure Hana:schema o SapServiceLayer:company en appsettings.json");
+            }
+
+            Schema = schema;
+        }
+    }
+}