First successfull build

EnvelopeGenerator.ReceiverUI/EnvelopeGenerator.ReceiverUI.Client/Services/AuthService.cs

@@ -1,6 +1,54 @@
-namespace EnvelopeGenerator.ReceiverUI.Client.Services
+using EnvelopeGenerator.ReceiverUI.Client.Services.Base;
+
+namespace EnvelopeGenerator.ReceiverUI.Client.Services;
+
+/// <summary>
+/// Spricht mit dem bestehenden AuthController der API.
+/// Die API erkennt den Nutzer über das Cookie "AuthToken" automatisch.
+/// </summary>
+public class AuthService : ApiServiceBase, IAuthService
 {
-    public class AuthService
+    public AuthService(HttpClient http, ILogger<AuthService> logger) : base(http, logger) { }
+
+    public async Task<ApiResponse> CheckAuthAsync(string? role = null, CancellationToken ct = default)
     {
+        var endpoint = role is not null ? $"api/auth/check?role={role}" : "api/auth/check";
+        try
+        {
+            var response = await Http.GetAsync(endpoint, ct);
+            return response.IsSuccessStatusCode
+                ? ApiResponse.Success((int)response.StatusCode)
+                : ApiResponse.Failure((int)response.StatusCode);
+        }
+        catch (HttpRequestException ex)
+        {
+            Logger.LogError(ex, "HTTP error calling GET {Endpoint}", endpoint);
+            return ApiResponse.Failure(0, "Verbindung zum Server fehlgeschlagen.");
+        }
+        catch (TaskCanceledException)
+        {
+            return ApiResponse.Failure(0, "Anfrage abgebrochen.");
+        }
     }
-}
+
+    public async Task<ApiResponse> LogoutAsync(CancellationToken ct = default)
+    {
+        const string endpoint = "api/auth/logout";
+        try
+        {
+            var response = await Http.PostAsync(endpoint, null, ct);
+            return response.IsSuccessStatusCode
+                ? ApiResponse.Success((int)response.StatusCode)
+                : ApiResponse.Failure((int)response.StatusCode);
+        }
+        catch (HttpRequestException ex)
+        {
+            Logger.LogError(ex, "HTTP error calling POST {Endpoint}", endpoint);
+            return ApiResponse.Failure(0, "Verbindung zum Server fehlgeschlagen.");
+        }
+        catch (TaskCanceledException)
+        {
+            return ApiResponse.Failure(0, "Anfrage abgebrochen.");
+        }
+    }
+}