feat: Füge UserCredential-Klasse für die Windream-API-Integration hinzu

- UserCredential-Klasse erstellt, um Benutzerdaten für die Windream-API zu verwalten.
- Konstruktor implementiert, um Domain, Name und Passwort zu initialisieren.
- ConvertToBase64-Methode hinzugefügt, um Anmeldeinformationen für den Autorisierungsheader zu kodieren.

src/WindreamHub.Legacy.Client/Models/UserCredential.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Text;
+
+namespace WindreamHub.Legacy.Client.Models
+{
+    public class UserCredential
+    {
+        public readonly string Domain;
+
+        public readonly string Name;
+
+        public readonly string AuthorizationHeader;
+
+        public UserCredential(string domain, string name, string password)
+        {
+            Domain = domain;
+            Name = name;
+            AuthorizationHeader = ConvertToBase64(domain, name, password);
+        }
+
+        private static string ConvertToBase64(string domain, string username, string password)
+        {
+            string credentials = $"{domain}\\{username}:{password}";
+            byte[] bytes = Encoding.UTF8.GetBytes(credentials);
+            return Convert.ToBase64String(bytes);
+        }
+    }
+}

src/WindreamHub.Legacy.Client/Routes/SubscriptionsRouteService.cs

@@ -1,6 +1,4 @@
-using DigitalData.Core.Legacy.Client;
-using Microsoft.Extensions.Options;
-using System;
+using Microsoft.Extensions.Options;
 using System.Net;
 using System.Net.Http;
 using WindreamHub.Legacy.Client.Routes;

src/WindreamHub.Legacy.Client/WindreamHub.Legacy.Client.csproj

@@ -87,6 +87,7 @@
     <Compile Include="Models\SimplifiedResponse.cs" />
     <Compile Include="Models\SystemDetails.cs" />
     <Compile Include="Models\SystemDetailsResponse.cs" />
+    <Compile Include="Models\UserCredential.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Routes\BaseRouteService.cs" />
     <Compile Include="Routes\RouteExtensions.cs" />