feat: migrate shared_preferences to hive (#343)

ui/flutter/lib/database/database.dart

@@ -0,0 +1,103 @@
+import 'dart:convert';
+
+import 'package:gopeed/util/util.dart';
+import 'package:hive/hive.dart';
+
+import 'entity.dart';
+
+const String _startConfig = 'startConfig';
+const String _windowState = 'windowState';
+const String _bookmark = 'bookmark';
+const String _createHistory = 'createHistory';
+
+class Database {
+  static final Database _instance = Database._internal();
+
+  static Database get instance => _instance;
+
+  factory Database() {
+    return _instance;
+  }
+
+  late Box box;
+
+  Database._internal();
+
+  Future<void> init() async {
+    Hive.init(Util.getStorageDir());
+    box = await Hive.openBox('database');
+  }
+
+  void save<T>(String key, T entity) {
+    box.put(key, jsonEncode(entity));
+  }
+
+  T? get<T>(String key, T Function(dynamic json) fromJsonT) {
+    final json = box.get(key);
+    if (json == null) {
+      return null;
+    }
+    return fromJsonT(jsonDecode(json));
+  }
+
+  void clear(String key) {
+    box.delete(key);
+  }
+
+  void saveStartConfig(StartConfigEntity entity) {
+    save<StartConfigEntity>(_startConfig, entity);
+  }
+
+  StartConfigEntity? getStartConfig() {
+    return get<StartConfigEntity>(
+        _startConfig, (json) => StartConfigEntity.fromJson(json));
+  }
+
+  /// Patch non-null fields with the original value
+  void saveWindowState(WindowStateEntity entity) {
+    final state = getWindowState();
+    entity.isMaximized ??= state?.isMaximized;
+    entity.width ??= state?.width;
+    entity.height ??= state?.height;
+    save<WindowStateEntity>(_windowState, entity);
+  }
+
+  WindowStateEntity? getWindowState() {
+    return get<WindowStateEntity>(
+        _windowState, (json) => WindowStateEntity.fromJson(json));
+  }
+
+  /// Use map to ensure that the same directory only saves the latest bookmark
+  void saveBookmark(MapEntry<String, String> entry) {
+    final map = getBookmark() ?? {};
+    map[entry.key] = entry.value;
+    save<Map<String, String>>(_bookmark, map);
+  }
+
+  Map<String, String>? getBookmark() {
+    return get<Map<String, String>>(_bookmark, (json) {
+      return (json as Map<String, dynamic>)
+          .map((key, value) => MapEntry(key, value.toString()));
+    });
+  }
+
+  void saveCreateHistory(String url) {
+    var list = getCreateHistory() ?? [];
+    list.remove(url);
+    list.insert(0, url);
+    if (list.length > 64) {
+      list.removeLast();
+    }
+    save<List<String>>(_createHistory, list);
+  }
+
+  List<String>? getCreateHistory() {
+    return get<List<String>>(_createHistory, (json) {
+      return (json as List<dynamic>).map((e) => e.toString()).toList();
+    });
+  }
+
+  void clearCreateHistory() {
+    clear(_createHistory);
+  }
+}

ui/flutter/lib/database/entity.dart

@@ -0,0 +1,37 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'entity.g.dart';
+
+@JsonSerializable()
+class StartConfigEntity {
+  String network;
+  String address;
+  String apiToken;
+
+  StartConfigEntity({
+    required this.network,
+    required this.address,
+    required this.apiToken,
+  });
+
+  factory StartConfigEntity.fromJson(Map<String, dynamic> json) =>
+      _$StartConfigEntityFromJson(json);
+  Map<String, dynamic> toJson() => _$StartConfigEntityToJson(this);
+}
+
+@JsonSerializable()
+class WindowStateEntity {
+  bool? isMaximized;
+  double? width;
+  double? height;
+
+  WindowStateEntity({
+    this.isMaximized,
+    this.width,
+    this.height,
+  });
+
+  factory WindowStateEntity.fromJson(Map<String, dynamic> json) =>
+      _$WindowStateEntityFromJson(json);
+  Map<String, dynamic> toJson() => _$WindowStateEntityToJson(this);
+}

ui/flutter/lib/database/entity.g.dart

@@ -0,0 +1,43 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'entity.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+StartConfigEntity _$StartConfigEntityFromJson(Map<String, dynamic> json) =>
+    StartConfigEntity(
+      network: json['network'] as String,
+      address: json['address'] as String,
+      apiToken: json['apiToken'] as String,
+    );
+
+Map<String, dynamic> _$StartConfigEntityToJson(StartConfigEntity instance) =>
+    <String, dynamic>{
+      'network': instance.network,
+      'address': instance.address,
+      'apiToken': instance.apiToken,
+    };
+
+WindowStateEntity _$WindowStateEntityFromJson(Map<String, dynamic> json) =>
+    WindowStateEntity(
+      isMaximized: json['isMaximized'] as bool?,
+      width: (json['width'] as num?)?.toDouble(),
+      height: (json['height'] as num?)?.toDouble(),
+    );
+
+Map<String, dynamic> _$WindowStateEntityToJson(WindowStateEntity instance) {
+  final val = <String, dynamic>{};
+
+  void writeNotNull(String key, dynamic value) {
+    if (value != null) {
+      val[key] = value;
+    }
+  }
+
+  writeNotNull('isMaximized', instance.isMaximized);
+  writeNotNull('width', instance.width);
+  writeNotNull('height', instance.height);
+  return val;
+}