Kingkor Roy Tirtho
60 lines
2.0 KiB
Dart
60 lines
2.0 KiB
Dart
library fl_query;
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/foundation.dart';
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import 'package:hive_flutter/hive_flutter.dart';
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import 'package:path/path.dart'
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if (dart.library.html) 'package:hive_flutter/src/stub/path.dart'
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as path_helper;
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export 'src/infinite_query.dart';
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export 'src/infinite_query_builder.dart';
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export 'src/query.dart';
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export 'src/query_bowl.dart';
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export 'src/query_builder.dart';
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export 'src/mutation.dart';
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export 'src/mutation_builder.dart';
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export 'src/always_online_connectivity.dart';
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export 'src/models/infinite_query_job.dart';
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export 'src/models/query_job.dart';
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export 'src/models/mutation_job.dart';
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import 'package:path_provider/path_provider.dart';
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export 'src/utils.dart' show isShallowEqual, getVariable;
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late final kFlQueryBoxKey;
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/// `cacheKey`: An unique key to identify the cache of fl_query for this
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/// application
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///
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/// `cacheSubDirectory`: The sub directory to store the cache file
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///
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/// `encryptionKey`: The encryption key to encrypt the cache of fl_query
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///
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/// If not provided then the cache won't be encrypted.
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/// The encryption key must be a list of 32 integers
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///
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/// You can use [Random.secure().nextBytes(32)] to generate a random encryption key.
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/// And store that key in a secure storage like
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/// [flutter_secure_storage](https://pub.dev/packages/flutter_secure_storage)
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/// for securely storing the encryption key when your application is closed.
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Future<void> initializeFlQuery({
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required String cacheKey,
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List<int>? encryptionKey,
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String? cacheSubDirectory,
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}) async {
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WidgetsFlutterBinding.ensureInitialized();
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if (kIsWeb) return;
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final appDir = await getApplicationDocumentsDirectory();
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Hive.init(
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path_helper.join(appDir.path, cacheSubDirectory),
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backendPreference: HiveStorageBackendPreference.webWorker,
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);
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kFlQueryBoxKey = cacheKey + "-fl_query";
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await Hive.openLazyBox<String>(
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kFlQueryBoxKey,
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encryptionCipher:
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encryptionKey != null ? HiveAesCipher(encryptionKey) : null,
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);
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}
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