ObjectBox

lib/model/rank.dart

@@ -1,57 +1,95 @@
-import 'package:isar/isar.dart';
-import 'package:json_annotation/json_annotation.dart';
+import 'dart:convert';
+import 'package:objectbox/objectbox.dart';
 
-part 'rank.g.dart';
-
-@collection
-@JsonSerializable()
+@Entity()
 class Ranking {
-  @JsonValue(0)
-  late Id? id = Isar.autoIncrement;
+  @Id()
+  int id = 0;
 
-  @JsonKey(name: "ranking")
-  late List<Rank> ranks;
+  // Store ranks as JSON string
+  String ranksJson = '[]';
+
+  @Transient()
+  List<Rank> get ranks {
+    final List<dynamic> decoded = jsonDecode(ranksJson);
+    return decoded.map((e) => Rank.fromJson(e as Map<String, dynamic>)).toList();
+  }
+
+  set ranks(List<Rank> value) {
+    ranksJson = jsonEncode(value.map((e) => e.toJson()).toList());
+  }
 
   Ranking();
 
-  factory Ranking.fromJson(Map<String, dynamic> json) => _$RankingFromJson(json);
+  factory Ranking.fromJson(Map<String, dynamic> json) {
+    final ranking = Ranking();
+    ranking.id = json['id'] as int? ?? 0;
+    ranking.ranks = (json['ranking'] as List<dynamic>)
+        .map((e) => Rank.fromJson(e as Map<String, dynamic>))
+        .toList();
+    return ranking;
+  }
 
-  Map<String, dynamic> toJson() => _$RankingToJson(this);
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'ranking': ranks.map((e) => e.toJson()).toList(),
+    };
+  }
 }
 
-@embedded
-@JsonSerializable()
 class Rank {
   late int id;
-
   late String zip;
-
   String? area;
-
   late List<Vehicle> vehicles;
 
   Rank();
 
-  factory Rank.fromJson(Map<String, dynamic> json) => _$RankFromJson(json);
+  factory Rank.fromJson(Map<String, dynamic> json) {
+    final rank = Rank();
+    rank.id = json['id'] as int;
+    rank.zip = json['zip'] as String;
+    rank.area = json['area'] as String?;
+    rank.vehicles = (json['vehicles'] as List<dynamic>)
+        .map((e) => Vehicle.fromJson(e as Map<String, dynamic>))
+        .toList();
+    return rank;
+  }
 
-  Map<String, dynamic> toJson() => _$RankToJson(this);
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'zip': zip,
+      'area': area,
+      'vehicles': vehicles.map((e) => e.toJson()).toList(),
+    };
+  }
 }
 
-@embedded
-@JsonSerializable()
 class Vehicle {
   late int id;
-
   late int type;
-
-  late int? cnt;
-
-  @JsonKey(name: 'self', defaultValue: false)
-  late bool? self;
+  int? cnt;
+  bool? self;
 
   Vehicle();
 
-  factory Vehicle.fromJson(Map<String, dynamic> json) => _$VehicleFromJson(json);
+  factory Vehicle.fromJson(Map<String, dynamic> json) {
+    final vehicle = Vehicle();
+    vehicle.id = json['id'] as int;
+    vehicle.type = json['type'] as int;
+    vehicle.cnt = json['cnt'] as int?;
+    vehicle.self = json['self'] as bool? ?? false;
+    return vehicle;
+  }
 
-  Map<String, dynamic> toJson() => _$VehicleToJson(this);
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'type': type,
+      'cnt': cnt,
+      'self': self,
+    };
+  }
 }