Favourites

lib/features/home/data/dtos/image_model_dto.dart

@@ -0,0 +1,26 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'image_model_dto.g.dart';
+
+@JsonSerializable()
+class ImageModelDTO {
+  const ImageModelDTO({
+    required this.uri,
+    required this.imageIndex,
+    required this.imageName,
+  });
+
+  /// An image's target [Uri].
+  ///
+  /// Storing an image's [ByteData] is more expensive, memory-wise.
+  final Uri uri;
+
+  /// A unique identifier that can be used for indexing the image.
+  final int imageIndex;
+
+  /// Given name of the image.
+  final String imageName;
+
+  factory ImageModelDTO.fromJson(Map<String, dynamic> json) => _$ImageModelDTOFromJson(json);
+  Map<String, dynamic> toJson() => _$ImageModelDTOToJson(this);
+}

lib/features/home/data/dtos/image_model_dto.g.dart

@@ -1,18 +1,19 @@
 // GENERATED CODE - DO NOT MODIFY BY HAND
 
-part of 'image_model.dart';
+part of 'image_model_dto.dart';
 
 // **************************************************************************
 // JsonSerializableGenerator
 // **************************************************************************
 
-ImageModel _$ImageModelFromJson(Map<String, dynamic> json) => ImageModel(
+ImageModelDTO _$ImageModelDTOFromJson(Map<String, dynamic> json) =>
+    ImageModelDTO(
       uri: Uri.parse(json['uri'] as String),
       imageIndex: json['imageIndex'] as int,
       imageName: json['imageName'] as String,
     );
 
-Map<String, dynamic> _$ImageModelToJson(ImageModel instance) =>
+Map<String, dynamic> _$ImageModelDTOToJson(ImageModelDTO instance) =>
     <String, dynamic>{
       'uri': instance.uri.toString(),
       'imageIndex': instance.imageIndex,

lib/features/home/data/models/image_model.dart

@@ -1,13 +1,11 @@
-import 'package:json_annotation/json_annotation.dart';
+import '../dtos/image_model_dto.dart';
 
-part 'image_model.g.dart';
-
-@JsonSerializable()
 class ImageModel {
   const ImageModel({
     required this.uri,
     required this.imageIndex,
     required this.imageName,
+    required this.isFavourite,
   });
 
   /// An image's target [Uri].
@@ -21,8 +19,31 @@ class ImageModel {
   /// Given name of the image.
   final String imageName;
 
-  factory ImageModel.fromJson(Map<String, dynamic> json) => _$ImageModelFromJson(json);
+  /// Whether the image was 'Starred' ot not.
+  final bool isFavourite;
 
-  /// Connect the generated [_$PersonToJson] function to the `toJson` method.
-  Map<String, dynamic> toJson() => _$ImageModelToJson(this);
+  factory ImageModel.fromDto({
+    required ImageModelDTO imageModelDto,
+    required bool isFavourite,
+  }) =>
+      ImageModel(
+        uri: imageModelDto.uri,
+        imageIndex: imageModelDto.imageIndex,
+        imageName: imageModelDto.imageName,
+        isFavourite: isFavourite,
+      );
+
+  ImageModel copyWith({
+    Uri? uri,
+    int? imageIndex,
+    String? imageName,
+    bool? isFavourite,
+  }) {
+    return ImageModel(
+      uri: uri ?? this.uri,
+      imageIndex: imageIndex ?? this.imageIndex,
+      imageName: imageName ?? this.imageName,
+      isFavourite: isFavourite ?? this.isFavourite,
+    );
+  }
 }