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added minimal error handling and user feedback

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marco
2026-01-22 18:09:34 +01:00
parent 27c3804b1e
commit 06c5ca9910
5 changed files with 88 additions and 43 deletions
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72
lib/service/json_file_service.dart
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@@ -13,48 +13,56 @@ class JsonFileService {
required List<Collection> collections,
required List<Bookmark> bookmarks,
}) async {
final dir = await _directoryPath;
try {
final dir = await _directoryPath;
if (dir.isEmpty) return false;
final data = {
'collections': collections.map((c) => c.toJson()).toList(),
'bookmarks': bookmarks.map((b) => b.toJson()).toList(),
};
final json = jsonEncode(data).codeUnits;
final file = XFile.fromData(
Uint8List.fromList(json),
mimeType: 'application/json',
name: constants.jsonFileName,
);
file.saveTo('$dir/${constants.jsonFileName}');
final data = {
'collections': collections.map((c) => c.toJson()).toList(),
'bookmarks': bookmarks.map((b) => b.toJson()).toList(),
};
final json = jsonEncode(data).codeUnits;
final file = XFile.fromData(
Uint8List.fromList(json),
mimeType: 'application/json',
name: constants.jsonFileName,
);
file.saveTo('$dir/${constants.jsonFileName}');
} catch (e) {
return false;
}
return false;
}
static Future<({List<Collection> collections, List<Bookmark> bookmarks})>
importFromJson() async {
const typeGroup = XTypeGroup(label: 'json', extensions: <String>['json']);
final XFile? file = await openFile(
acceptedTypeGroups: <XTypeGroup>[typeGroup],
);
try {
const typeGroup = XTypeGroup(label: 'json', extensions: <String>['json']);
final XFile? file = await openFile(
acceptedTypeGroups: <XTypeGroup>[typeGroup],
);
if (file == null) {
if (file == null) {
return (collections: <Collection>[], bookmarks: <Bookmark>[]);
}
final jsonString = await file.readAsString();
final data = jsonDecode(jsonString) as Map<String, dynamic>;
final collections = (data['collections'] as List<dynamic>? ?? [])
.map((json) => Collection.fromJson(json as Map<String, dynamic>))
.toList();
final bookmarks = (data['bookmarks'] as List<dynamic>? ?? [])
.map((json) => Bookmark.fromJson(json as Map<String, dynamic>))
.toList();
return (collections: collections, bookmarks: bookmarks);
} catch (e) {
return (collections: <Collection>[], bookmarks: <Bookmark>[]);
}
final jsonString = await file.readAsString();
final data = jsonDecode(jsonString) as Map<String, dynamic>;
final collections = (data['collections'] as List<dynamic>? ?? [])
.map((json) => Collection.fromJson(json as Map<String, dynamic>))
.toList();
final bookmarks = (data['bookmarks'] as List<dynamic>? ?? [])
.map((json) => Bookmark.fromJson(json as Map<String, dynamic>))
.toList();
return (collections: collections, bookmarks: bookmarks);
}
static Future<String> get _directoryPath async {