lab-5 in state "pu pu pu..."

lib/data/dtos/potions_dto.dart

@@ -0,0 +1,36 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'potions_dto.g.dart';
+
+@JsonSerializable(createToJson: false)
+class PotionsDto {
+  final List<PotionDataDto>? data;
+
+  const PotionsDto({this.data});
+
+  factory PotionsDto.fromJson(Map<String, dynamic> json) => _$PotionsDtoFromJson(json);
+}
+
+@JsonSerializable(createToJson: false)
+class PotionDataDto {
+  final String? id;
+  final String? type;
+  final PotionAttributesDataDto? attributes;
+
+  const PotionDataDto({this.id, this.type, this.attributes});
+
+  factory PotionDataDto.fromJson(Map<String, dynamic> json) => _$PotionDataDtoFromJson(json);
+}
+
+@JsonSerializable(createToJson: false)
+class PotionAttributesDataDto {
+  final String? name;
+  final String? characteristics;
+  final String? effect;
+  final String? image;
+
+  const PotionAttributesDataDto({this.name, this.characteristics, this.effect, this.image});
+
+  factory PotionAttributesDataDto.fromJson(Map<String, dynamic> json) =>
+      _$PotionAttributesDataDtoFromJson(json);
+}

lib/data/dtos/potions_dto.g.dart

@@ -0,0 +1,32 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'potions_dto.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+PotionsDto _$PotionsDtoFromJson(Map<String, dynamic> json) => PotionsDto(
+  data: (json['data'] as List<dynamic>?)
+      ?.map((e) => PotionDataDto.fromJson(e as Map<String, dynamic>))
+      .toList(),
+);
+
+PotionDataDto _$PotionDataDtoFromJson(Map<String, dynamic> json) =>
+    PotionDataDto(
+      id: json['id'] as String?,
+      type: json['type'] as String?,
+      attributes: json['attributes'] == null
+          ? null
+          : PotionAttributesDataDto.fromJson(
+          json['attributes'] as Map<String, dynamic>),
+    );
+
+PotionAttributesDataDto _$PotionAttributesDataDtoFromJson(
+    Map<String, dynamic> json) =>
+    PotionAttributesDataDto(
+      name: json['name'] as String?,
+      characteristics: json['characteristics'] as String?,
+      effect: json['effect'] as String?,
+      image: json['image'] as String?,
+    );

lib/data/mappers/potions_mapper.dart

@@ -0,0 +1,23 @@
+import 'package:leonteva_pmu/data/dtos/potions_dto.dart';
+import 'package:leonteva_pmu/domain/models/card.dart';
+
+const String imagePlaceholder =
+    'https://cdn-icons-png.flaticon.com/512/4036/4036418.png';
+
+extension PotionDataDtoToModel on PotionDataDto {
+  CardData toDomain() => CardData(
+    attributes?.name ?? 'UNKNOWN',
+    imageUrl: attributes?.image ?? imagePlaceholder,
+    descriptionText: _makeDescriptionText(attributes?.characteristics, attributes?.effect),
+  );
+
+  String _makeDescriptionText(String? characteristics, String? effect) {
+    return characteristics != null && effect != null
+        ? '$characteristics - $effect'
+        : characteristics != null
+        ? 'characteristics: $characteristics'
+        : effect != null
+        ? 'effect: $effect'
+        : '';
+  }
+}

lib/data/repositories/api_interface.dart

@@ -0,0 +1,7 @@
+import 'package:leonteva_pmu/domain/models/card.dart';
+
+typedef OnErrorCallback = void Function(String? error);
+
+abstract class ApiInterface {
+  Future<List<CardData>?> loadData({OnErrorCallback? onError});
+}

lib/data/repositories/mock_repository.dart

@@ -0,0 +1,30 @@
+import 'package:flutter/material.dart';
+import 'package:leonteva_pmu/data/repositories/api_interface.dart';
+import 'package:leonteva_pmu/domain/models/card.dart';
+
+class MockRepository extends ApiInterface {
+  @override
+  Future<List<CardData>?> loadData({OnErrorCallback? onError}) async {
+    return [
+      CardData(
+        'dish1',
+        descriptionText: 'hehehe',
+        imageUrl:
+        'https://n1s2.hsmedia.ru/48/2d/63/482d63d02b668677a73a2ffbd791a71b/728x546_1_aaca034dfa8a8c33247bd8cb2ed26817@1700x1275_0xac120003_9749770561671744766.jpeg',
+      ),
+      CardData(
+        'dish2',
+        descriptionText: 'eeee',
+        icon: Icons.hail,
+        imageUrl:
+        'https://n1s2.hsmedia.ru/48/2d/63/482d63d02b668677a73a2ffbd791a71b/728x546_1_aaca034dfa8a8c33247bd8cb2ed26817@1700x1275_0xac120003_9749770561671744766.jpeg',
+      ),
+      CardData(
+        'dish3',
+        descriptionText: 'aaaaaa',
+        icon: Icons.warning_amber,
+        imageUrl: 'https://n1s2.hsmedia.ru/48/2d/63/482d63d02b668677a73a2ffbd791a71b/728x546_1_aaca034dfa8a8c33247bd8cb2ed26817@1700x1275_0xac120003_9749770561671744766.jpeg',
+      ),
+    ];
+  }
+}

lib/data/repositories/potter_repository.dart

@@ -0,0 +1,35 @@
+import 'package:dio/dio.dart';
+import 'package:leonteva_pmu/data/dtos/potions_dto.dart';
+import 'package:leonteva_pmu/data/mappers/potions_mapper.dart';
+import 'package:leonteva_pmu/data/repositories/api_interface.dart';
+import 'package:leonteva_pmu/domain/models/card.dart';
+import 'package:pretty_dio_logger/pretty_dio_logger.dart';
+
+class PotterRepository extends ApiInterface {
+  static final Dio _dio = Dio()
+    ..interceptors.add(PrettyDioLogger(
+      requestHeader: true,
+      requestBody: true,
+    ));
+
+  static const String _baseUrl = 'https://api.potterdb.com';
+
+  @override
+  Future<List<CardData>?> loadData({String? q, OnErrorCallback? onError}) async {
+    try {
+      const String url = '$_baseUrl/v1/potions';
+
+      final Response<dynamic> response = await _dio.get<Map<dynamic, dynamic>>(
+        url,
+        queryParameters: q != null ? {'filter[name_cont]': q} : null,
+      );
+
+      final PotionsDto dto = PotionsDto.fromJson(response.data as Map<String, dynamic>);
+      final List<CardData>? data = dto.data?.map((e) => e.toDomain()).toList();
+      return data;
+    } on DioException catch (e) {
+      onError?.call(e.response?.statusMessage);
+      return null;
+    }
+  }
+}

lib/presentation/home_page/home_page.dart

@@ -1,7 +1,9 @@
 import 'package:flutter/material.dart';
+import 'package:leonteva_pmu/data/repositories/potter_repository.dart';
 import 'package:leonteva_pmu/presentation/details_page/details_page.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:leonteva_pmu/domain/models/card.dart';
+import 'package:leonteva_pmu/presentation/dialogs/show_dialog.dart';
 
 part 'card.dart';
 
@@ -15,21 +17,13 @@ class HomePage extends StatefulWidget {
 }
 
 class _HomePageState extends State<HomePage> {
-  final Color _color = Colors.orangeAccent;
-
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
+    return const Scaffold(body: Body());
-      appBar: AppBar(
-        backgroundColor: _color,
-        title: Text(widget.title),
-      ),
-      body: const Body(),
-    );
   }
 }
 
-class Body extends StatelessWidget {
+class Body extends StatefulWidget {
   const Body({super.key}); // ключи
 
   @override

pubspec.lock

@@ -99,6 +99,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.1.1"
+  json_annotation:
+    dependency: "direct main"
+    description:
+      name: json_annotation
+      sha256: "1ce844379ca14835a50d2f019a3099f419082cfdd231cd86a142af94dd5c6bb1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.9.0"
   leak_tracker:
     dependency: transitive
     description:

pubspec.yaml

@@ -30,6 +30,7 @@ environment:
 dependencies:
   dio: ^5.7.0
   pretty_dio_logger: ^1.4.0
+  json_annotation: ^4.9.0
   flutter:
     sdk: flutter