feat(auction): implement get all ongoing auctions flow (view/vm/service)

lib/config/api_constants.dart

@@ -11,6 +11,7 @@ abstract class ApiConstants {
   static const String itemsGetImageByItemIdUrl = '/items/:id/image';
   static const String auctionsCreateUrl = '/auctions/create';
   static const String auctionsGetByItemIdUrl = '/auctions/:itemId';
+  static const String auctionsGetAllUrl = '/auctions/all';
 
   static const String jwtStorage = "jwt.json";
   static const String jwtEncodedStorageKey = "jwt";

lib/models/auctions/auction.dart

@@ -1,34 +1,18 @@
-class Auction {
-  late String id;
-  late double startingPrice;
-  late DateTime endDate;
-  late String itemId;
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:rainbowbid_frontend/models/core/timestamp_converter.dart';
 
-  Auction({
-    required this.id,
-    required this.startingPrice,
-    required this.endDate,
-    required this.itemId,
-  });
+part 'auction.freezed.dart';
+part 'auction.g.dart';
 
-  Map<String, dynamic> toJson() {
-    return {
-      'id': id,
-      'starting_price': startingPrice,
-      'end_date': endDate.toIso8601String(),
-      'item_id': itemId,
-    };
-  }
+@freezed
+class Auction with _$Auction {
+  factory Auction({
+    required String id,
+    @JsonKey(name: 'starting_price') required double startingPrice,
+    @JsonKey(name: 'end_date') @TimestampConverter() required DateTime endDate,
+    @JsonKey(name: 'item_id') required String itemId,
+  }) = _Auction;
 
-  factory Auction.fromJson(Map<String, dynamic> json) {
-    return Auction(
-      id: json['id'],
-      startingPrice: double.parse(json['starting_price']),
-      endDate: DateTime.fromMillisecondsSinceEpoch(
-        json['end_date'] * 1000,
-        isUtc: true,
-      ),
-      itemId: json['item_id'],
-    );
-  }
+  factory Auction.fromJson(Map<String, dynamic> json) =>
+      _$AuctionFromJson(json);
 }

lib/models/auctions/auction.freezed.dart

@@ -0,0 +1,227 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'auction.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+    'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models');
+
+Auction _$AuctionFromJson(Map<String, dynamic> json) {
+  return _Auction.fromJson(json);
+}
+
+/// @nodoc
+mixin _$Auction {
+  String get id => throw _privateConstructorUsedError;
+  @JsonKey(name: 'starting_price')
+  double get startingPrice => throw _privateConstructorUsedError;
+  @JsonKey(name: 'end_date')
+  @TimestampConverter()
+  DateTime get endDate => throw _privateConstructorUsedError;
+  @JsonKey(name: 'item_id')
+  String get itemId => throw _privateConstructorUsedError;
+
+  Map<String, dynamic> toJson() => throw _privateConstructorUsedError;
+  @JsonKey(ignore: true)
+  $AuctionCopyWith<Auction> get copyWith => throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $AuctionCopyWith<$Res> {
+  factory $AuctionCopyWith(Auction value, $Res Function(Auction) then) =
+      _$AuctionCopyWithImpl<$Res, Auction>;
+  @useResult
+  $Res call(
+      {String id,
+      @JsonKey(name: 'starting_price') double startingPrice,
+      @JsonKey(name: 'end_date') @TimestampConverter() DateTime endDate,
+      @JsonKey(name: 'item_id') String itemId});
+}
+
+/// @nodoc
+class _$AuctionCopyWithImpl<$Res, $Val extends Auction>
+    implements $AuctionCopyWith<$Res> {
+  _$AuctionCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? startingPrice = null,
+    Object? endDate = null,
+    Object? itemId = null,
+  }) {
+    return _then(_value.copyWith(
+      id: null == id
+          ? _value.id
+          : id // ignore: cast_nullable_to_non_nullable
+              as String,
+      startingPrice: null == startingPrice
+          ? _value.startingPrice
+          : startingPrice // ignore: cast_nullable_to_non_nullable
+              as double,
+      endDate: null == endDate
+          ? _value.endDate
+          : endDate // ignore: cast_nullable_to_non_nullable
+              as DateTime,
+      itemId: null == itemId
+          ? _value.itemId
+          : itemId // ignore: cast_nullable_to_non_nullable
+              as String,
+    ) as $Val);
+  }
+}
+
+/// @nodoc
+abstract class _$$AuctionImplCopyWith<$Res> implements $AuctionCopyWith<$Res> {
+  factory _$$AuctionImplCopyWith(
+          _$AuctionImpl value, $Res Function(_$AuctionImpl) then) =
+      __$$AuctionImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call(
+      {String id,
+      @JsonKey(name: 'starting_price') double startingPrice,
+      @JsonKey(name: 'end_date') @TimestampConverter() DateTime endDate,
+      @JsonKey(name: 'item_id') String itemId});
+}
+
+/// @nodoc
+class __$$AuctionImplCopyWithImpl<$Res>
+    extends _$AuctionCopyWithImpl<$Res, _$AuctionImpl>
+    implements _$$AuctionImplCopyWith<$Res> {
+  __$$AuctionImplCopyWithImpl(
+      _$AuctionImpl _value, $Res Function(_$AuctionImpl) _then)
+      : super(_value, _then);
+
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? startingPrice = null,
+    Object? endDate = null,
+    Object? itemId = null,
+  }) {
+    return _then(_$AuctionImpl(
+      id: null == id
+          ? _value.id
+          : id // ignore: cast_nullable_to_non_nullable
+              as String,
+      startingPrice: null == startingPrice
+          ? _value.startingPrice
+          : startingPrice // ignore: cast_nullable_to_non_nullable
+              as double,
+      endDate: null == endDate
+          ? _value.endDate
+          : endDate // ignore: cast_nullable_to_non_nullable
+              as DateTime,
+      itemId: null == itemId
+          ? _value.itemId
+          : itemId // ignore: cast_nullable_to_non_nullable
+              as String,
+    ));
+  }
+}
+
+/// @nodoc
+@JsonSerializable()
+class _$AuctionImpl implements _Auction {
+  _$AuctionImpl(
+      {required this.id,
+      @JsonKey(name: 'starting_price') required this.startingPrice,
+      @JsonKey(name: 'end_date') @TimestampConverter() required this.endDate,
+      @JsonKey(name: 'item_id') required this.itemId});
+
+  factory _$AuctionImpl.fromJson(Map<String, dynamic> json) =>
+      _$$AuctionImplFromJson(json);
+
+  @override
+  final String id;
+  @override
+  @JsonKey(name: 'starting_price')
+  final double startingPrice;
+  @override
+  @JsonKey(name: 'end_date')
+  @TimestampConverter()
+  final DateTime endDate;
+  @override
+  @JsonKey(name: 'item_id')
+  final String itemId;
+
+  @override
+  String toString() {
+    return 'Auction(id: $id, startingPrice: $startingPrice, endDate: $endDate, itemId: $itemId)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$AuctionImpl &&
+            (identical(other.id, id) || other.id == id) &&
+            (identical(other.startingPrice, startingPrice) ||
+                other.startingPrice == startingPrice) &&
+            (identical(other.endDate, endDate) || other.endDate == endDate) &&
+            (identical(other.itemId, itemId) || other.itemId == itemId));
+  }
+
+  @JsonKey(ignore: true)
+  @override
+  int get hashCode =>
+      Object.hash(runtimeType, id, startingPrice, endDate, itemId);
+
+  @JsonKey(ignore: true)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$AuctionImplCopyWith<_$AuctionImpl> get copyWith =>
+      __$$AuctionImplCopyWithImpl<_$AuctionImpl>(this, _$identity);
+
+  @override
+  Map<String, dynamic> toJson() {
+    return _$$AuctionImplToJson(
+      this,
+    );
+  }
+}
+
+abstract class _Auction implements Auction {
+  factory _Auction(
+      {required final String id,
+      @JsonKey(name: 'starting_price') required final double startingPrice,
+      @JsonKey(name: 'end_date')
+      @TimestampConverter()
+      required final DateTime endDate,
+      @JsonKey(name: 'item_id') required final String itemId}) = _$AuctionImpl;
+
+  factory _Auction.fromJson(Map<String, dynamic> json) = _$AuctionImpl.fromJson;
+
+  @override
+  String get id;
+  @override
+  @JsonKey(name: 'starting_price')
+  double get startingPrice;
+  @override
+  @JsonKey(name: 'end_date')
+  @TimestampConverter()
+  DateTime get endDate;
+  @override
+  @JsonKey(name: 'item_id')
+  String get itemId;
+  @override
+  @JsonKey(ignore: true)
+  _$$AuctionImplCopyWith<_$AuctionImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}

lib/models/core/category_converter.dart

@@ -0,0 +1,16 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:rainbowbid_frontend/models/items/item.dart';
+
+class CategoryConverter implements JsonConverter<Category, String> {
+  const CategoryConverter();
+
+  @override
+  Category fromJson(String json) {
+    return Category.fromValue(json);
+  }
+
+  @override
+  String toJson(Category object) {
+    return object.value;
+  }
+}

lib/models/core/timestamp_converter.dart

@@ -0,0 +1,15 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+class TimestampConverter implements JsonConverter<DateTime, int> {
+  const TimestampConverter();
+
+  @override
+  DateTime fromJson(int json) {
+    return DateTime.fromMillisecondsSinceEpoch(json * 1000, isUtc: true);
+  }
+
+  @override
+  int toJson(DateTime object) {
+    return object.millisecondsSinceEpoch;
+  }
+}

lib/models/dtos/auction_with_item_dto.dart

@@ -0,0 +1,23 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:rainbowbid_frontend/models/core/category_converter.dart';
+import 'package:rainbowbid_frontend/models/items/item.dart';
+
+part 'auction_with_item_dto.freezed.dart';
+part 'auction_with_item_dto.g.dart';
+
+@freezed
+class AuctionWithItemDto with _$AuctionWithItemDto {
+  const factory AuctionWithItemDto({
+    required String id,
+    @JsonKey(name: 'starting_price') required double startingPrice,
+    @JsonKey(name: 'end_date') required DateTime endDate,
+    @JsonKey(name: 'item_id') required String itemId,
+    required String brief,
+    required String description,
+    @CategoryConverter() required Category category,
+    @JsonKey(name: 'user_id') required String userId,
+  }) = _AuctionWithItemDto;
+
+  factory AuctionWithItemDto.fromJson(Map<String, dynamic> json) =>
+      _$AuctionWithItemDtoFromJson(json);
+}