Implementing single game export

lib/services/local_storage_service.dart

@@ -103,12 +103,12 @@ class LocalStorageService {
   }
 
   /// Opens the file picker to save a JSON file with the current game data.
-  static Future<bool> exportJsonFile() async {
+  static Future<bool> exportGameData() async {
     final jsonString = getJsonFile();
     try {
       final bytes = Uint8List.fromList(utf8.encode(jsonString));
       final result = await FileSaver.instance.saveAs(
-        name: 'cabo_counter_data',
+        name: 'cabo_counter-game_data',
         bytes: bytes,
         ext: 'json',
         mimeType: MimeType.json,
@@ -123,6 +123,27 @@ class LocalStorageService {
     }
   }
 
+  /// Opens the file picker to save a single game session as a JSON file.
+  static Future<bool> exportSingleGameSession(GameSession session) async {
+    final jsonString = json.encode(session.toJson());
+    try {
+      final bytes = Uint8List.fromList(utf8.encode(jsonString));
+      final result = await FileSaver.instance.saveAs(
+        name: 'cabo_counter-game_${session.id.substring(0, 7)}',
+        bytes: bytes,
+        ext: 'json',
+        mimeType: MimeType.json,
+      );
+      print(
+          '[local_storage_service.dart] Die Spieldaten der Session wurden exportiert. Dateipfad: $result');
+      return true;
+    } catch (e) {
+      print(
+          '[local_storage_service.dart] Fehler beim Exportieren der Spieldaten der Session. Exception: $e');
+      return false;
+    }
+  }
+
   /// Opens the file picker to import a JSON file and loads the game data from it.
   static Future<ImportStatus> importJsonFile() async {
     final result = await FilePicker.platform.pickFiles(

lib/views/active_game_view.dart

@@ -1,6 +1,7 @@
 import 'package:cabo_counter/data/game_manager.dart';
 import 'package:cabo_counter/data/game_session.dart';
 import 'package:cabo_counter/l10n/app_localizations.dart';
+import 'package:cabo_counter/services/local_storage_service.dart';
 import 'package:cabo_counter/utility/custom_theme.dart';
 import 'package:cabo_counter/views/create_game_view.dart';
 import 'package:cabo_counter/views/graph_view.dart';
@@ -192,14 +193,15 @@ class _ActiveGameViewState extends State<ActiveGameView> {
                             },
                           ),
                           CupertinoListTile(
-                            title:
+                              title: Text(
-                                Text(AppLocalizations.of(context).export_game,
+                                AppLocalizations.of(context).export_game,
-                                    style: const TextStyle(
+                              ),
-                                      color: Colors.white30,
+                              backgroundColorActivated:
-                                    )),
+                                  CustomTheme.backgroundColor,
-                            backgroundColorActivated:
+                              onTap: () {
-                                CustomTheme.backgroundColor,
+                                LocalStorageService.exportSingleGameSession(
-                          ),
+                                    widget.gameSession);
+                              }),
                         ],
                       )
                     ],

lib/views/settings_view.dart

@@ -140,7 +140,7 @@ class _SettingsViewState extends State<SettingsView> {
                           ),
                           onPressed: () async {
                             final success =
-                                await LocalStorageService.exportJsonFile();
+                                await LocalStorageService.exportGameData();
                             if (!success && context.mounted) {
                               showCupertinoDialog(
                                 context: context,

pubspec.yaml

@@ -2,7 +2,7 @@ name: cabo_counter
 description: "Mobile app for the card game Cabo"
 publish_to: 'none'
 
-version: 0.3.7+323
+version: 0.3.7+325
 
 environment:
   sdk: ^3.5.4