Conditions #36

- Add backward compatability for paint and effect model id field.

Author: BirjuVachhani

lib/src/api/models/effect.dart

@@ -5,6 +5,7 @@
 import 'package:equatable/equatable.dart';
 import 'package:json_annotation/json_annotation.dart';
 
+import '../generate_id.dart';
 import '../mixins.dart';
 import 'models.dart';
 
@@ -162,7 +163,11 @@ class Effect with EquatableMixin, SerializableMixin {
       ];
 
   /// Factory constructor for creating new [Effect] from JSON data.
-  factory Effect.fromJson(Map json) => _$EffectFromJson(json);
+  factory Effect.fromJson(Map json) => _$EffectFromJson({
+        // TODO: backward compatibility, remove in 1.0.0
+        'id': generateId(),
+        ...json,
+      });
 
   @override
   Map toJson() => _$EffectToJson(this);

lib/src/api/models/paint.dart

@@ -38,6 +38,7 @@ enum ImageRepeatEnum {
 @JsonSerializable()
 class PaintModel with EquatableMixin, SerializableMixin {
   /// identifier of this paint.
+  @JsonKey(required: true)
   final String id;
 
   /// Type of paint.
@@ -480,6 +481,7 @@ class PaintModel with EquatableMixin, SerializableMixin {
 
   @override
   List<Object?> get props => [
+        id,
         type,
         visible,
         opacity,
@@ -505,7 +507,11 @@ class PaintModel with EquatableMixin, SerializableMixin {
       ];
 
   /// Factory constructor for creating [PaintModel] instance from a JSON data.
-  factory PaintModel.fromJson(Map json) => _$PaintModelFromJson(json);
+  factory PaintModel.fromJson(Map json) => _$PaintModelFromJson({
+        // TODO: backward compatibility, remove in 1.0.0
+        'id': generateId(),
+        ...json,
+      });
 
   @override
   Map toJson() => _$PaintModelToJson(this);