87 lines
2.6 KiB
Dart
87 lines
2.6 KiB
Dart
import 'dart:convert';
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import 'package:hive_flutter/hive_flutter.dart';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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import 'package:together_mobile/database/box_type.dart';
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import 'package:together_mobile/models/init_get_it.dart';
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import 'package:together_mobile/models/user_model.dart';
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import 'package:together_mobile/utils/app_dir.dart';
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class HiveDatabase {
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static bool _isInitialised = false;
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static Future<void> init() async {
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if (_isInitialised) {
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return;
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}
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List<int> encryptionKeyUint8List = await _getEncryptKey();
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await Hive.initFlutter(await getBoxDir());
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Box<ChatSetting> chatSettingBox =
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await Hive.openBox<ChatSetting>('chat_setting');
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final openedChats =
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chatSettingBox.values.where((element) => element.isOpen);
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for (var chatBox in openedChats) {
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await Hive.openBox<MessageT>(
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'message_${chatBox.contactId}',
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encryptionCipher: HiveAesCipher(encryptionKeyUint8List),
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compactionStrategy: (entries, deletedEntries) => entries > 200,
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);
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await Hive.openBox<int>('msg_index_${chatBox.contactId}');
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}
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await Hive.openBox<AttachmentProgress>('attachment_send');
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await Hive.openBox<AttachmentProgress>('attachment_receive');
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_isInitialised = true;
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}
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static void registerAdapter() {
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Hive.registerAdapter(ChatSettingAdapter());
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Hive.registerAdapter(MessageTAdapter());
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Hive.registerAdapter(AttachmentProgressAdapter());
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}
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static Future<Box<MessageT>> openMessageBox(String contactId) async {
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final encryptionKeyUint8List = await _getEncryptKey();
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late Box<MessageT> messageTBox;
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try {
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messageTBox = Hive.box<MessageT>('message_$contactId');
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} catch (e) {
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messageTBox = await Hive.openBox<MessageT>(
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'message_$contactId',
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encryptionCipher: HiveAesCipher(encryptionKeyUint8List),
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compactionStrategy: (entries, deletedEntries) => entries > 200,
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);
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}
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return messageTBox;
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}
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static Future<List<int>> _getEncryptKey() async {
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final id = getIt.get<UserAccount>().id;
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const secureStorage = FlutterSecureStorage();
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final encryptionKeyString = await secureStorage.read(key: 'encryptKey:$id');
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if (encryptionKeyString == null) {
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final key = Hive.generateSecureKey();
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await secureStorage.write(
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key: 'encryptKey:$id',
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value: base64Encode(key),
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);
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}
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String? key = await secureStorage.read(key: 'encryptKey:$id');
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final encryptionKeyUint8List = base64Url.decode(key!);
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return encryptionKeyUint8List;
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}
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static Future<void> close() async {
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_isInitialised = false;
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await Hive.close();
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}
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}
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