Untis API Integration

LehrerApp.Desktop/Services/WebUntisSettingsService.cs

@@ -9,8 +9,12 @@ internal class WebUntisSettingsConfig
     public string? EncryptedIcalUrl { get; set; }
     public DateTime? LastSyncAt { get; set; }
     public string LastSyncStatus { get; set; } = "";
+    public string? EncryptedApiCredentials { get; set; }
+    public int? TeacherUntisId { get; set; }
 }
 
+public sealed record WebUntisCredentials(string School, string Host, string Username, string Password);
+
 /// <summary>
 /// Einstellungen für den WebUntis-iCal-Abgleich (Nutzer-Feedback, siehe TODO.md). Liegt wie
 /// AiSettingsService/SyncSettingsService in LehrerApp.Desktop statt LehrerApp.Core, da die
@@ -30,6 +34,8 @@ public class WebUntisSettingsService
 
     public bool Enabled => _config.Enabled;
     public bool IsConfigured => _config.EncryptedIcalUrl is not null;
+    public bool ApiIsConfigured => _config.EncryptedApiCredentials is not null;
+    public int? TeacherUntisId => _config.TeacherUntisId;
     public DateTime? LastSyncAt => _config.LastSyncAt;
     public string LastSyncStatus => _config.LastSyncStatus;
 
@@ -63,6 +69,29 @@ public class WebUntisSettingsService
         Save();
     }
 
+    public void SetApiCredentials(WebUntisCredentials credentials)
+    {
+        _config.EncryptedApiCredentials = SyncCrypto.EncryptObject(credentials, _urlKey);
+        Save();
+    }
+
+    public WebUntisCredentials? GetApiCredentials() => _config.EncryptedApiCredentials is null
+        ? null
+        : SyncCrypto.DecryptObject<WebUntisCredentials>(_config.EncryptedApiCredentials, _urlKey);
+
+    public void ClearApiCredentials()
+    {
+        _config.EncryptedApiCredentials = null;
+        _config.TeacherUntisId = null;
+        Save();
+    }
+
+    public void SetTeacherUntisId(int? teacherUntisId)
+    {
+        _config.TeacherUntisId = teacherUntisId;
+        Save();
+    }
+
     public void SetLastSync(DateTime at, string status)
     {
         _config.LastSyncAt = at;