PIN PUUUUUSH

Zhe Pin lautet:
091142069 (very common pin, dont ask why)

lib/spaces/spaceRate.dart

@@ -3,7 +3,7 @@ import 'package:google_nav_bar/google_nav_bar.dart';
 import 'package:mensaapp/modules/databaseService.dart';
 import 'package:mensaapp/providers/spaceProvider.dart';
 import 'package:provider/provider.dart';
-
+import 'package:supabase_flutter/supabase_flutter.dart';
 import '../providers/ambienteProvider.dart';
 import '../providers/anmerkungProvider.dart';
 import '../providers/essenProvider.dart';
@@ -11,6 +11,9 @@ import '../providers/languageProvider.dart';
 import '../providers/pageProvider.dart';
 import '../providers/serviceProvider.dart';
 import '../providers/spezielleErnaehrungProvider.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:restart_app/restart_app.dart';
+
 
 class SpaceRate extends StatelessWidget {
   const SpaceRate({super.key});
@@ -80,20 +83,142 @@ class SpaceRate extends StatelessWidget {
     );
   }
 
+  void change_backend_ip(BuildContext context) {
+    final TextEditingController _ipController = TextEditingController();
+
+    showDialog(
+      context: context,
+      builder: (BuildContext context) {
+        return AlertDialog(
+          shape: RoundedRectangleBorder(
+            borderRadius: BorderRadius.circular(20),
+          ),
+          title: Text("Backend-IP ändern"),
+          content: TextField(
+            controller: _ipController,
+            keyboardType: TextInputType.numberWithOptions(decimal: true), // IP-Format unterstützen
+            decoration: InputDecoration(
+              border: OutlineInputBorder(),
+              labelText: 'Neue Backend-IP (z. B. 192.168.1.1)',
+            ),
+          ),
+          actions: [
+            ElevatedButton(
+              onPressed: () async {
+                final newIp = _ipController.text;
+
+                if (newIp.isEmpty) {
+                  // Falls das Feld leer ist, gib eine Warnung aus
+                  ScaffoldMessenger.of(context).showSnackBar(
+                    SnackBar(content: Text("Die IP-Adresse darf nicht leer sein!")),
+                  );
+                  return;
+                }
+                // Speichere die neue IP in den Shared Preferences
+                final prefs = await SharedPreferences.getInstance();
+                await prefs.setString('supabase-ip', newIp);
+
+                // Hole die neue IP und initialisiere die Supabase-Verbindung neu
+
+                Restart.restartApp();
+              },
+              style: ElevatedButton.styleFrom(
+                backgroundColor: Theme.of(context).colorScheme.secondary,
+              ),
+              child: Text("IP Ändern"),
+            ),
+            ElevatedButton(
+              onPressed: () {
+                Navigator.of(context).pop(); // Dialog schließen
+              },
+              style: ElevatedButton.styleFrom(
+                backgroundColor: Theme.of(context).colorScheme.secondary,
+              ),
+              child: Text("Abbrechen"),
+            ),
+          ],
+        );
+      },
+    );
+  }
+
+  void enter_pin(BuildContext context) {
+    showDialog(
+      context: context,
+      builder: (BuildContext context) {
+        final TextEditingController _pinController = TextEditingController();
+
+        return AlertDialog(
+          shape: RoundedRectangleBorder(
+            borderRadius: BorderRadius.circular(20),
+          ),
+          content: TextField(
+            controller: _pinController,
+            obscureText: true, // PIN als Passwort maskieren
+            decoration: InputDecoration(
+              border: OutlineInputBorder(),
+              labelText: 'PIN',
+              counterText: '', // Entfernt die Zeichenanzahl-Anzeige
+            ),
+          ),
+          actions: [
+            ElevatedButton(
+              onPressed: () {
+                if (_pinController.text == '091142069') {
+                  // Wenn die PIN korrekt ist
+                  Navigator.of(context).pop(); // Dialog schließen
+                  change_backend_ip(context); // Aktion ausführen
+                } else {
+                  // Wenn die PIN falsch ist, Fehler anzeigen
+                  ScaffoldMessenger.of(context).showSnackBar(
+                    SnackBar(
+                      content: Text("Falsche PIN!"),
+                      backgroundColor: Colors.red,
+                    ),
+                  );
+                }
+              },
+              style: ElevatedButton.styleFrom(
+                backgroundColor: Theme.of(context).colorScheme.secondary,
+              ),
+              child: Text("Absenden"),
+            ),
+            ElevatedButton(
+              onPressed: () {
+                Navigator.of(context).pop(); // Schließt den Dialog
+              },
+              style: ElevatedButton.styleFrom(
+                backgroundColor: Theme.of(context).colorScheme.secondary,
+              ),
+              child: Text("Schließen"),
+            ),
+          ],
+        );
+      },
+    );
+  }
+
+
+
+
   @override
   Widget build(BuildContext context) {
     return Consumer<LanguageProvider>(builder: (context, languageProvider, x) {
       return Scaffold(
         appBar: AppBar(
-          leading: IconButton(
-            icon: Icon(
+          leading: GestureDetector(
+            onTap: () {
+              _showDeleteDialog(context); // Kurzer Klick
+            },
+            onLongPress: () async {
+              await Future.delayed(Duration(seconds: 5));
+              enter_pin(context); // Langer Klick
+            },
+            child: Icon(
               Icons.home_rounded,
               size: 36,
               color: Theme.of(context).colorScheme.onPrimary,
             ),
-            onPressed: () {
-              _showDeleteDialog(context);
-            },
           ),
           title: Consumer<PageProvider>(
             // Consumer verwenden, um den dynamischen Titel anzuzeigen