Desktop photo search (#174)

experimental/desktop_photo_search/lib/src/unsplash/photo.dart

@@ -0,0 +1,104 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:convert';
+
+import 'package:built_collection/built_collection.dart';
+import 'package:built_value/built_value.dart';
+import 'package:built_value/serializer.dart';
+
+import '../serializers.dart';
+import 'current_user_collections.dart';
+import 'exif.dart';
+import 'links.dart';
+import 'location.dart';
+import 'tags.dart';
+import 'urls.dart';
+import 'user.dart';
+
+part 'photo.g.dart';
+
+abstract class Photo implements Built<Photo, PhotoBuilder> {
+  factory Photo([void Function(PhotoBuilder) updates]) = _$Photo;
+
+  Photo._();
+
+  @BuiltValueField(wireName: 'id')
+  String get id;
+
+  @nullable
+  @BuiltValueField(wireName: 'created_at')
+  String get createdAt;
+
+  @nullable
+  @BuiltValueField(wireName: 'updated_at')
+  String get updatedAt;
+
+  @nullable
+  @BuiltValueField(wireName: 'width')
+  int get width;
+
+  @nullable
+  @BuiltValueField(wireName: 'height')
+  int get height;
+
+  @nullable
+  @BuiltValueField(wireName: 'color')
+  String get color;
+
+  @nullable
+  @BuiltValueField(wireName: 'downloads')
+  int get downloads;
+
+  @nullable
+  @BuiltValueField(wireName: 'likes')
+  int get likes;
+
+  @nullable
+  @BuiltValueField(wireName: 'liked_by_user')
+  bool get likedByUser;
+
+  @nullable
+  @BuiltValueField(wireName: 'description')
+  String get description;
+
+  @nullable
+  @BuiltValueField(wireName: 'exif')
+  Exif get exif;
+
+  @nullable
+  @BuiltValueField(wireName: 'location')
+  Location get location;
+
+  @nullable
+  @BuiltValueField(wireName: 'tags')
+  BuiltList<Tags> get tags;
+
+  @nullable
+  @BuiltValueField(wireName: 'current_user_collections')
+  BuiltList<CurrentUserCollections> get currentUserCollections;
+
+  @nullable
+  @BuiltValueField(wireName: 'urls')
+  Urls get urls;
+
+  @nullable
+  @BuiltValueField(wireName: 'links')
+  Links get links;
+
+  @nullable
+  @BuiltValueField(wireName: 'user')
+  User get user;
+
+  String toJson() {
+    return json.encode(serializers.serializeWith(Photo.serializer, this));
+  }
+
+  static Photo fromJson(String jsonString) {
+    return serializers.deserializeWith(
+        Photo.serializer, json.decode(jsonString));
+  }
+
+  static Serializer<Photo> get serializer => _$photoSerializer;
+}