WIFI connection support added

app/lib/services/database/app_settings_repository.dart

@@ -1,5 +1,6 @@
 import 'package:drift/drift.dart';
 
+import '../../transport/connection_type.dart';
 import 'app_database.dart';
 
 /// Zugriff auf die Einzeilen-Einstellungstabelle (Doku 7.5): welches
@@ -18,6 +19,9 @@ class AppSettingsRepository {
         int? currentMissionId,
         String? connectionDeviceAddress,
         bool connectionAutoConnect,
+        ConnectionType connectionType,
+        String? connectionWifiHost,
+        int connectionWifiPort,
       })> load() async {
     final row = await (_db.select(_db.appSettingsTable)
           ..where((s) => s.id.equals(_rowId)))
@@ -27,6 +31,12 @@ class AppSettingsRepository {
       currentMissionId: row?.currentMissionId,
       connectionDeviceAddress: row?.connectionDeviceAddress,
       connectionAutoConnect: row?.connectionAutoConnect ?? true,
+      connectionType: ConnectionType.values.firstWhere(
+        (t) => t.name == row?.connectionType,
+        orElse: () => ConnectionType.bluetooth,
+      ),
+      connectionWifiHost: row?.connectionWifiHost,
+      connectionWifiPort: row?.connectionWifiPort ?? kDefaultWifiPort,
     );
   }
 
@@ -64,6 +74,36 @@ class AppSettingsRepository {
     ));
   }
 
+  /// Gewaehlte Verbindungsart (Doku Kommunikationsschicht 7).
+  Future<void> setConnectionType(ConnectionType type) async {
+    await _upsert(AppSettingsTableCompanion(
+      id: const Value(_rowId),
+      connectionType: Value(type.name),
+    ));
+  }
+
+  /// Vom Nutzer eingetragene Ziel-IP der WLAN-Bruecke (Doku 3), oder null um
+  /// die Vorgabe zu loeschen und nur noch aus dem Verkehr zu lernen.
+  Future<String?> loadConnectionWifiHost() async =>
+      (await load()).connectionWifiHost;
+
+  Future<void> setConnectionWifiHost(String? host) async {
+    await _upsert(AppSettingsTableCompanion(
+      id: const Value(_rowId),
+      connectionWifiHost: Value(host),
+    ));
+  }
+
+  Future<int> loadConnectionWifiPort() async =>
+      (await load()).connectionWifiPort;
+
+  Future<void> setConnectionWifiPort(int port) async {
+    await _upsert(AppSettingsTableCompanion(
+      id: const Value(_rowId),
+      connectionWifiPort: Value(port),
+    ));
+  }
+
   Future<void> _upsert(AppSettingsTableCompanion companion) async {
     await _db.into(_db.appSettingsTable).insertOnConflictUpdate(companion);
   }