fixes before build 2

lib/services/backup_format.dart

@@ -5,6 +5,9 @@ import 'dart:convert';
 
 const int kBackupVersion = 3;
 
+const String kBackupFormat = 'groci-backup';
+const String kLegacyBackupFormat = 'receipity-backup';
+
 class BackupDocument {
   const BackupDocument({
     required this.version,
@@ -33,7 +36,7 @@ class BackupDocument {
   final Map<String, String> images;
 
   Map<String, Object?> toJson() => {
-    'format': 'receipity-backup',
+    'format': kBackupFormat,
     'version': version,
     'exportedAt': exportedAt,
     'darkMode': darkMode,
@@ -54,8 +57,9 @@ class BackupDocument {
     if (decoded is! Map<String, dynamic>) {
       throw const FormatException('Backup is not a JSON object.');
     }
-    if (decoded['format'] != 'receipity-backup') {
-      throw const FormatException('This file is not a Receipity backup.');
+    final format = decoded['format'];
+    if (format != kBackupFormat && format != kLegacyBackupFormat) {
+      throw const FormatException('This file is not a Groci backup.');
     }
     final version = decoded['version'];
     if (version is! int || version < 1 || version > kBackupVersion) {

lib/services/backup_service.dart

@@ -1,4 +1,4 @@
-/// Build, share, and restore a Receipity JSON backup.
+/// Build, share, and restore a Groci JSON backup.
 library;
 
 import 'dart:convert';
@@ -68,11 +68,11 @@ class BackupService {
     final document = await buildBackup();
     final bytes = Uint8List.fromList(utf8.encode(document.encode()));
     final stamp = DateTime.now().toIso8601String().split('T').first;
-    final fileName = 'receipity-backup-$stamp.json';
+    final fileName = 'groci-backup-$stamp.json';
 
     try {
       final saved = await FilePicker.saveFile(
-        dialogTitle: 'Save Receipity backup',
+        dialogTitle: 'Save Groci backup',
         fileName: fileName,
         bytes: bytes,
         mimeType: 'application/json',
@@ -90,8 +90,8 @@ class BackupService {
     final result = await SharePlus.instance.share(
       ShareParams(
         files: [XFile(file.path, mimeType: 'application/json')],
-        subject: 'Receipity backup',
-        text: 'Receipity backup $stamp',
+        subject: 'Groci backup',
+        text: 'Groci backup $stamp',
       ),
     );
     return result.status != ShareResultStatus.dismissed;
@@ -99,7 +99,7 @@ class BackupService {
 
   Future<bool> importBackup() async {
     final picked = await FilePicker.pickFile(
-      dialogTitle: 'Import Receipity backup',
+      dialogTitle: 'Import Groci backup',
       type: FileType.custom,
       allowedExtensions: const ['json'],
     );

lib/services/product_repository.dart

@@ -31,10 +31,18 @@ class ProductRepository extends ChangeNotifier {
     return _opening!;
   }
 
+  Future<String> _defaultDatabasePath() async {
+    final dir = (await getApplicationDocumentsDirectory()).path;
+    final groci = p.join(dir, 'groci.db');
+    final legacy = p.join(dir, 'receipity.db');
+    if (!File(groci).existsSync() && File(legacy).existsSync()) {
+      await File(legacy).rename(groci);
+    }
+    return groci;
+  }
+
   Future<Database> _open() async {
-    final path =
-        databasePath ??
-        p.join((await getApplicationDocumentsDirectory()).path, 'receipity.db');
+    final path = databasePath ?? await _defaultDatabasePath();
     return openDatabase(
       path,
       version: 9,