up and download data

lib/controllers/home_controller.dart

@@ -1,17 +1,126 @@
+import 'dart:io';
+import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:get/get.dart';
-
+import 'package:file_picker/file_picker.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:share_plus/share_plus.dart';
+import 'dart:convert';
+import '../helpers/filament_repository.dart';
 import '../pages/list_view.dart';
+import '../helpers/web_download_helper_stub.dart'
+    if (dart.library.html) '../helpers/web_download_helper.dart';
 
 class HomeController extends GetxController {
   void loadFilaments() {
     // Navigiere zur Listenseite
     Get.toNamed(ListPage.namedRoute);
   }
-  void downloadFilaments() {
+
-    // JSON Backup file herunterladen
+  Future<void> downloadFilaments() async {
+    try {
+      // JSON-Daten vom Repository holen
+      final jsonData = FilamentRepository.to.exportToJson();
+
+      if (kIsWeb) {
+        // Web: Download direkt im Browser
+        final fileName =
+            'filament_backup_${DateTime.now().millisecondsSinceEpoch}.json';
+        downloadJsonFileWeb(jsonData, fileName);
+      } else {
+        // Mobile/Desktop: Datei speichern und teilen
+        await _downloadForMobile(jsonData);
+      }
+
+      Get.snackbar(
+        'Erfolg',
+        'Backup wurde erstellt',
+        snackPosition: SnackPosition.BOTTOM,
+        backgroundColor: Get.theme.colorScheme.primary.withAlpha(26),
+        colorText: Get.theme.colorScheme.primary,
+        duration: Duration(seconds: 3),
+      );
+    } catch (e) {
+      Get.snackbar(
+        'Fehler',
+        'Backup konnte nicht erstellt werden: $e',
+        snackPosition: SnackPosition.BOTTOM,
+        backgroundColor: Get.theme.colorScheme.error.withAlpha(26),
+        colorText: Get.theme.colorScheme.error,
+      );
+    }
   }
 
-  void restoreFilaments() {
+  Future<void> _downloadForMobile(String jsonData) async {
-    // JSON Backup file wiederherstellen
+    // Temporäre Datei erstellen
+    final directory = await getTemporaryDirectory();
+    final fileName =
+        'filament_backup_${DateTime.now().millisecondsSinceEpoch}.json';
+    final file = File('${directory.path}/$fileName');
+
+    await file.writeAsString(jsonData);
+
+    // Datei über Share-Dialog teilen
+    await Share.shareXFiles([XFile(file.path)], text: 'Filament Backup');
+  }
+
+  Future<void> restoreFilaments() async {
+    try {
+      // Datei auswählen
+      FilePickerResult? result = await FilePicker.platform.pickFiles(
+        type: FileType.custom,
+        allowedExtensions: ['json'],
+      );
+
+      if (result != null) {
+        String? jsonData;
+
+        if (kIsWeb) {
+          // Web: Bytes direkt lesen
+          final bytes = result.files.first.bytes;
+          if (bytes != null) {
+            jsonData = utf8.decode(bytes);
+          }
+        } else {
+          // Mobile/Desktop: Datei von Pfad lesen
+          final path = result.files.first.path;
+          if (path != null) {
+            final file = File(path);
+            jsonData = await file.readAsString();
+          }
+        }
+
+        if (jsonData != null) {
+          // Daten importieren
+          final success = await FilamentRepository.to.importFromJson(jsonData);
+
+          if (success) {
+            Get.snackbar(
+              'Erfolg',
+              'Backup wurde erfolgreich wiederhergestellt',
+              snackPosition: SnackPosition.BOTTOM,
+              backgroundColor: Get.theme.colorScheme.primary.withAlpha(26),
+              colorText: Get.theme.colorScheme.primary,
+              duration: Duration(seconds: 3),
+            );
+          } else {
+            Get.snackbar(
+              'Fehler',
+              'Ungültige Backup-Datei',
+              snackPosition: SnackPosition.BOTTOM,
+              backgroundColor: Get.theme.colorScheme.error.withAlpha(26),
+              colorText: Get.theme.colorScheme.error,
+            );
+          }
+        }
+      }
+    } catch (e) {
+      Get.snackbar(
+        'Fehler',
+        'Wiederherstellung fehlgeschlagen: $e',
+        snackPosition: SnackPosition.BOTTOM,
+        backgroundColor: Get.theme.colorScheme.error.withAlpha(26),
+        colorText: Get.theme.colorScheme.error,
+      );
+    }
   }
 }

lib/helpers/web_download_helper.dart

@@ -0,0 +1,15 @@
+import 'dart:convert';
+// ignore: avoid_web_libraries_in_flutter
+import 'dart:html' as html;
+
+void downloadJsonFileWeb(String jsonData, String fileName) {
+  final bytes = utf8.encode(jsonData);
+  final blob = html.Blob([bytes]);
+  final url = html.Url.createObjectUrlFromBlob(blob);
+
+  final anchor = html.AnchorElement(href: url)
+    ..setAttribute('download', fileName)
+    ..click();
+
+  html.Url.revokeObjectUrl(url);
+}

lib/helpers/web_download_helper_stub.dart

@@ -0,0 +1,3 @@
+void downloadJsonFileWeb(String jsonData, String fileName) {
+  throw UnsupportedError('Web download is only supported on web platform');
+}

linux/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,10 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <url_launcher_linux/url_launcher_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) url_launcher_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "UrlLauncherPlugin");
+  url_launcher_plugin_register_with_registrar(url_launcher_linux_registrar);
 }

linux/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  url_launcher_linux
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,8 +5,12 @@
 import FlutterMacOS
 import Foundation
 
+import file_picker
 import path_provider_foundation
+import share_plus
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  FilePickerPlugin.register(with: registry.registrar(forPlugin: "FilePickerPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
+  SharePlusMacosPlugin.register(with: registry.registrar(forPlugin: "SharePlusMacosPlugin"))
 }

pubspec.lock

@@ -73,6 +73,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.19.1"
+  cross_file:
+    dependency: transitive
+    description:
+      name: cross_file
+      sha256: "701dcfc06da0882883a2657c445103380e53e647060ad8d9dfb710c100996608"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.5+1"
   crypto:
     dependency: transitive
     description:
@@ -105,6 +113,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.5"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: a3b4f84adafef897088c160faf7dfffb7696046cb13ae90b508c2cbc95d3b8d4
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.1"
+  file_picker:
+    dependency: "direct main"
+    description:
+      name: file_picker
+      sha256: ab13ae8ef5580a411c458d6207b6774a6c237d77ac37011b13994879f68a8810
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.3.7"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      sha256: b6dc7065e46c974bc7c5f143080a6764ec7a4be6da1285ececdc37be96de53be
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -126,11 +158,24 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.0.0"
+  flutter_plugin_android_lifecycle:
+    dependency: transitive
+    description:
+      name: flutter_plugin_android_lifecycle
+      sha256: ee8068e0e1cd16c4a82714119918efdeed33b3ba7772c54b5d094ab53f9b7fd1
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.33"
   flutter_test:
     dependency: "direct dev"
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   get:
     dependency: "direct main"
     description:
@@ -227,6 +272,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.17.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      sha256: "41a20518f0cb1256669420fdba0cd90d21561e560ac240f26ef8322e45bb7ed6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
   path:
     dependency: transitive
     description:
@@ -236,7 +289,7 @@ packages:
     source: hosted
     version: "1.9.1"
   path_provider:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: path_provider
       sha256: "50c5dd5b6e1aaf6fb3a78b33f6aa3afca52bf903a8a5298f53101fdaee55bbcd"
@@ -315,6 +368,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.0.3"
+  share_plus:
+    dependency: "direct main"
+    description:
+      name: share_plus
+      sha256: fce43200aa03ea87b91ce4c3ac79f0cecd52e2a7a56c7a4185023c271fbfa6da
+      url: "https://pub.dev"
+    source: hosted
+    version: "10.1.4"
+  share_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: share_plus_platform_interface
+      sha256: cc012a23fc2d479854e6c80150696c4a5f5bb62cb89af4de1c505cf78d0a5d0b
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.0.2"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -376,6 +445,46 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.4.0"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      sha256: d5e14138b3bc193a0f63c10a53c94b91d399df0512b1f29b94a043db7482384a
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.2"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      sha256: "552f8a1e663569be95a8190206a38187b531910283c3e982193e4f2733f01029"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      sha256: d0412fcf4c6b31ecfdb7762359b7206ffba3bbffd396c6d9f9c4616ece476c1f
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      sha256: "712c70ab1b99744ff066053cbe3e80c73332b38d46e5e945c98689b2e66fc15f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.5"
+  uuid:
+    dependency: transitive
+    description:
+      name: uuid
+      sha256: a11b666489b1954e01d992f3d601b1804a33937b5a8fe677bd26b8a9f96f96e8
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.5.2"
   vector_math:
     dependency: transitive
     description:
@@ -400,6 +509,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: d7cb55e04cd34096cd3a79b3330245f54cb96a370a1c27adb3c84b917de8b08e
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.15.0"
   xdg_directories:
     dependency: transitive
     description:
@@ -426,4 +543,4 @@ packages:
     version: "3.1.3"
 sdks:
   dart: ">=3.10.4 <4.0.0"
-  flutter: ">=3.35.0"
+  flutter: ">=3.38.0"

pubspec.yaml

@@ -16,6 +16,9 @@ dependencies:
   get: ^4.7.3
   get_storage: ^2.1.1
   intl: ^0.20.2
+  file_picker: ^8.1.6
+  path_provider: ^2.1.5
+  share_plus: ^10.1.4
 
 dev_dependencies:
   flutter_lints: ^6.0.0

windows/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,12 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <share_plus/share_plus_windows_plugin_c_api.h>
+#include <url_launcher_windows/url_launcher_windows.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
+  SharePlusWindowsPluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("SharePlusWindowsPluginCApi"));
+  UrlLauncherWindowsRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("UrlLauncherWindows"));
 }

windows/flutter/generated_plugins.cmake

@@ -3,6 +3,8 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  share_plus
+  url_launcher_windows
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST