Zwischenstand:

- Download Req und Res eingeführt
- Version XML + version.config

Service/ServiceUtils/Update/UpdateConfigHelper.cs

@@ -0,0 +1,43 @@
+using BS.SharedLauncher.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml;
+
+namespace BeWo.Service.ServiceUtils.Update
+{
+    public class UpdateConfigHelper
+    {
+        public XmlDocument Document{ get; set; }
+        public string Tenant { get; set; }
+
+        public UpdateConfigHelper(string configFile, string tenant)
+        {
+            Document = new XmlDocument();
+            Document.Load(configFile);
+
+            Tenant = tenant;
+        }
+
+        //public PlanerUpdateSource Source => GotSpecialVersion ? PlanerUpdateSource.SpecialVersion : PlanerUpdateSource.NewestVersion;
+        
+        public string LoadSpecificVersion()
+        {
+            try
+            {
+                return Document.SelectSingleNode($"/config/tenant[@id='{Tenant}']/version").InnerXml;
+            }
+            catch (Exception)
+            {
+                return null; 
+            }
+        }
+
+        public string LoadDefaultVersion()
+        {
+            return Document.SelectSingleNode("/config/default/version").InnerXml;
+        }
+    }
+}