implemented user service (no auth!)

This commit is contained in:
2025-01-01 18:33:53 +00:00
parent 0ded723bb9
commit 8559b1c44e
34 changed files with 1437 additions and 158 deletions
@@ -1,29 +0,0 @@
import 'package:json_annotation/json_annotation.dart';
part 'user_dto.g.dart';
@JsonSerializable()
class UserDto {
final String id;
final String name;
final String email;
// Optional: Füge zusätzliche Felder wie Timestamps hinzu
final DateTime? createdAt;
final DateTime? updatedAt;
UserDto({
required this.id,
required this.name,
required this.email,
this.createdAt,
this.updatedAt,
});
/// Factory-Methode zur Deserialisierung von JSON
factory UserDto.fromJson(Map<String, dynamic> json) =>
_$UserDtoFromJson(json);
/// Methode zur Serialisierung nach JSON
Map<String, dynamic> toJson() => _$UserDtoToJson(this);
}
@@ -0,0 +1,9 @@
import 'package:backend_dart/application/repository/user_repository_impl.dart';
import 'package:backend_dart/domain/repository/user_repository.dart';
import 'package:backend_dart/infrastructure/persistence/database_provider.dart';
import 'package:riverpod/riverpod.dart';
final userRepoProvider = Provider<UserRepository>((ref) {
final database = ref.read(databaseProvider);
return UserRepositoryImpl(database);
});
@@ -0,0 +1,45 @@
import 'package:backend_dart/domain/entities/user.dart';
import 'package:backend_dart/domain/interface/database.dart';
import 'package:backend_dart/domain/interface/error.dart';
import 'package:backend_dart/domain/repository/user_repository.dart';
import 'package:fpdart/fpdart.dart';
class UserRepositoryImpl implements UserRepository {
final IDatabase database;
UserRepositoryImpl(this.database);
@override
TaskEither<IError, User> create(User user) {
return database.users
.generateId()
.map(
(id) => user.copyWith(id: id),
)
.flatMap(database.users.create);
}
@override
TaskEither<IError, User> findByEmail(String email) {
return database.users.findByEmail(email);
}
@override
TaskEither<IError, User> findById(String id) {
return database.users.findById(id);
}
@override
TaskEither<IError, User> update(User user) {
return database.users.update(user);
}
@override
TaskEither<IError, void> delete(String id) {
return database.users.delete(id);
}
@override
TaskEither<IError, List<User>> findAll() {
return database.users.findAll();
}
}
@@ -0,0 +1,20 @@
import 'package:freezed_annotation/freezed_annotation.dart';
part 'user_dto.freezed.dart';
part 'user_dto.g.dart';
@freezed
class UserDto with _$UserDto {
const factory UserDto({
String? id,
String? name,
String? email,
String? password,
DateTime? createdAt,
DateTime? updatedAt,
}) = _UserDto;
/// JSON-Serialisierung
factory UserDto.fromJson(Map<String, dynamic> json) =>
_$UserDtoFromJson(json);
}
@@ -0,0 +1,268 @@
// 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 'user_dto.dart';
// **************************************************************************
// FreezedGenerator
// **************************************************************************
T _$identity<T>(T value) => value;
final _privateConstructorUsedError = UnsupportedError(
'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models');
UserDto _$UserDtoFromJson(Map<String, dynamic> json) {
return _UserDto.fromJson(json);
}
/// @nodoc
mixin _$UserDto {
String? get id => throw _privateConstructorUsedError;
String? get name => throw _privateConstructorUsedError;
String? get email => throw _privateConstructorUsedError;
String? get password => throw _privateConstructorUsedError;
DateTime? get createdAt => throw _privateConstructorUsedError;
DateTime? get updatedAt => throw _privateConstructorUsedError;
/// Serializes this UserDto to a JSON map.
Map<String, dynamic> toJson() => throw _privateConstructorUsedError;
/// Create a copy of UserDto
/// with the given fields replaced by the non-null parameter values.
@JsonKey(includeFromJson: false, includeToJson: false)
$UserDtoCopyWith<UserDto> get copyWith => throw _privateConstructorUsedError;
}
/// @nodoc
abstract class $UserDtoCopyWith<$Res> {
factory $UserDtoCopyWith(UserDto value, $Res Function(UserDto) then) =
_$UserDtoCopyWithImpl<$Res, UserDto>;
@useResult
$Res call(
{String? id,
String? name,
String? email,
String? password,
DateTime? createdAt,
DateTime? updatedAt});
}
/// @nodoc
class _$UserDtoCopyWithImpl<$Res, $Val extends UserDto>
implements $UserDtoCopyWith<$Res> {
_$UserDtoCopyWithImpl(this._value, this._then);
// ignore: unused_field
final $Val _value;
// ignore: unused_field
final $Res Function($Val) _then;
/// Create a copy of UserDto
/// with the given fields replaced by the non-null parameter values.
@pragma('vm:prefer-inline')
@override
$Res call({
Object? id = freezed,
Object? name = freezed,
Object? email = freezed,
Object? password = freezed,
Object? createdAt = freezed,
Object? updatedAt = freezed,
}) {
return _then(_value.copyWith(
id: freezed == id
? _value.id
: id // ignore: cast_nullable_to_non_nullable
as String?,
name: freezed == name
? _value.name
: name // ignore: cast_nullable_to_non_nullable
as String?,
email: freezed == email
? _value.email
: email // ignore: cast_nullable_to_non_nullable
as String?,
password: freezed == password
? _value.password
: password // ignore: cast_nullable_to_non_nullable
as String?,
createdAt: freezed == createdAt
? _value.createdAt
: createdAt // ignore: cast_nullable_to_non_nullable
as DateTime?,
updatedAt: freezed == updatedAt
? _value.updatedAt
: updatedAt // ignore: cast_nullable_to_non_nullable
as DateTime?,
) as $Val);
}
}
/// @nodoc
abstract class _$$UserDtoImplCopyWith<$Res> implements $UserDtoCopyWith<$Res> {
factory _$$UserDtoImplCopyWith(
_$UserDtoImpl value, $Res Function(_$UserDtoImpl) then) =
__$$UserDtoImplCopyWithImpl<$Res>;
@override
@useResult
$Res call(
{String? id,
String? name,
String? email,
String? password,
DateTime? createdAt,
DateTime? updatedAt});
}
/// @nodoc
class __$$UserDtoImplCopyWithImpl<$Res>
extends _$UserDtoCopyWithImpl<$Res, _$UserDtoImpl>
implements _$$UserDtoImplCopyWith<$Res> {
__$$UserDtoImplCopyWithImpl(
_$UserDtoImpl _value, $Res Function(_$UserDtoImpl) _then)
: super(_value, _then);
/// Create a copy of UserDto
/// with the given fields replaced by the non-null parameter values.
@pragma('vm:prefer-inline')
@override
$Res call({
Object? id = freezed,
Object? name = freezed,
Object? email = freezed,
Object? password = freezed,
Object? createdAt = freezed,
Object? updatedAt = freezed,
}) {
return _then(_$UserDtoImpl(
id: freezed == id
? _value.id
: id // ignore: cast_nullable_to_non_nullable
as String?,
name: freezed == name
? _value.name
: name // ignore: cast_nullable_to_non_nullable
as String?,
email: freezed == email
? _value.email
: email // ignore: cast_nullable_to_non_nullable
as String?,
password: freezed == password
? _value.password
: password // ignore: cast_nullable_to_non_nullable
as String?,
createdAt: freezed == createdAt
? _value.createdAt
: createdAt // ignore: cast_nullable_to_non_nullable
as DateTime?,
updatedAt: freezed == updatedAt
? _value.updatedAt
: updatedAt // ignore: cast_nullable_to_non_nullable
as DateTime?,
));
}
}
/// @nodoc
@JsonSerializable()
class _$UserDtoImpl implements _UserDto {
const _$UserDtoImpl(
{this.id,
this.name,
this.email,
this.password,
this.createdAt,
this.updatedAt});
factory _$UserDtoImpl.fromJson(Map<String, dynamic> json) =>
_$$UserDtoImplFromJson(json);
@override
final String? id;
@override
final String? name;
@override
final String? email;
@override
final String? password;
@override
final DateTime? createdAt;
@override
final DateTime? updatedAt;
@override
String toString() {
return 'UserDto(id: $id, name: $name, email: $email, password: $password, createdAt: $createdAt, updatedAt: $updatedAt)';
}
@override
bool operator ==(Object other) {
return identical(this, other) ||
(other.runtimeType == runtimeType &&
other is _$UserDtoImpl &&
(identical(other.id, id) || other.id == id) &&
(identical(other.name, name) || other.name == name) &&
(identical(other.email, email) || other.email == email) &&
(identical(other.password, password) ||
other.password == password) &&
(identical(other.createdAt, createdAt) ||
other.createdAt == createdAt) &&
(identical(other.updatedAt, updatedAt) ||
other.updatedAt == updatedAt));
}
@JsonKey(includeFromJson: false, includeToJson: false)
@override
int get hashCode =>
Object.hash(runtimeType, id, name, email, password, createdAt, updatedAt);
/// Create a copy of UserDto
/// with the given fields replaced by the non-null parameter values.
@JsonKey(includeFromJson: false, includeToJson: false)
@override
@pragma('vm:prefer-inline')
_$$UserDtoImplCopyWith<_$UserDtoImpl> get copyWith =>
__$$UserDtoImplCopyWithImpl<_$UserDtoImpl>(this, _$identity);
@override
Map<String, dynamic> toJson() {
return _$$UserDtoImplToJson(
this,
);
}
}
abstract class _UserDto implements UserDto {
const factory _UserDto(
{final String? id,
final String? name,
final String? email,
final String? password,
final DateTime? createdAt,
final DateTime? updatedAt}) = _$UserDtoImpl;
factory _UserDto.fromJson(Map<String, dynamic> json) = _$UserDtoImpl.fromJson;
@override
String? get id;
@override
String? get name;
@override
String? get email;
@override
String? get password;
@override
DateTime? get createdAt;
@override
DateTime? get updatedAt;
/// Create a copy of UserDto
/// with the given fields replaced by the non-null parameter values.
@override
@JsonKey(includeFromJson: false, includeToJson: false)
_$$UserDtoImplCopyWith<_$UserDtoImpl> get copyWith =>
throw _privateConstructorUsedError;
}
@@ -6,10 +6,12 @@ part of 'user_dto.dart';
// JsonSerializableGenerator
// **************************************************************************
UserDto _$UserDtoFromJson(Map<String, dynamic> json) => UserDto(
id: json['id'] as String,
name: json['name'] as String,
email: json['email'] as String,
_$UserDtoImpl _$$UserDtoImplFromJson(Map<String, dynamic> json) =>
_$UserDtoImpl(
id: json['id'] as String?,
name: json['name'] as String?,
email: json['email'] as String?,
password: json['password'] as String?,
createdAt: json['createdAt'] == null
? null
: DateTime.parse(json['createdAt'] as String),
@@ -18,10 +20,12 @@ UserDto _$UserDtoFromJson(Map<String, dynamic> json) => UserDto(
: DateTime.parse(json['updatedAt'] as String),
);
Map<String, dynamic> _$UserDtoToJson(UserDto instance) => <String, dynamic>{
Map<String, dynamic> _$$UserDtoImplToJson(_$UserDtoImpl instance) =>
<String, dynamic>{
'id': instance.id,
'name': instance.name,
'email': instance.email,
'password': instance.password,
'createdAt': instance.createdAt?.toIso8601String(),
'updatedAt': instance.updatedAt?.toIso8601String(),
};
@@ -0,0 +1,35 @@
import 'package:backend_dart/application/service/dto/user_dto.dart';
import 'package:backend_dart/domain/entities/user.dart';
import 'package:backend_dart/domain/interface/error.dart';
import 'package:backend_dart/domain/interface/mapper.dart';
import 'package:fpdart/fpdart.dart';
class UserDtoMapper implements IMapper<User, UserDto> {
@override
TaskEither<IError, UserDto> to(User entity) => TaskEither.of(UserDto(
id: entity.id,
name: entity.name,
email: entity.email,
createdAt: entity.createdAt,
updatedAt: entity.updatedAt,
));
@override
TaskEither<IError, User> from(UserDto dto) => TaskEither.of(User(
id: dto.id,
name: dto.name,
email: dto.email,
password: dto.password,
createdAt: dto.createdAt,
updatedAt: dto.updatedAt,
));
@override
TaskEither<IError, List<User>> listFrom(Iterable<UserDto> targets) {
return TaskEither.traverseList(targets.toList(), from);
}
@override
TaskEither<IError, List<UserDto>> listTo(Iterable<User> origins) {
return TaskEither.traverseList(origins.toList(), to);
}
}
@@ -0,0 +1,88 @@
import 'dart:convert';
import 'package:backend_dart/application/service/dto/user_dto.dart';
import 'package:backend_dart/application/service/mapper/user_dto_mapper.dart';
import 'package:backend_dart/common/response_helpers.dart';
import 'package:backend_dart/domain/errors/app_error.dart';
import 'package:backend_dart/domain/interface/error.dart';
import 'package:backend_dart/domain/repository/user_repository.dart';
import 'package:fpdart/fpdart.dart';
import 'package:shelf/shelf.dart';
import 'package:shelf_router/shelf_router.dart';
part 'user_service.g.dart'; // generated with 'pub run build_runner build'
class UserService {
final UserRepository users;
final UserDtoMapper mapper = UserDtoMapper();
UserService(this.users);
@Route.get('/')
Future<Response> listUsers(Request request) async {
return users
.findAll()
.flatMap(mapper.listTo)
.map((users) => users.map((user) => user.toJson()).toList())
.match((left) => ResponseHelpers.fromError(left),
(right) => Response.ok(jsonEncode(right)))
.run();
}
@Route.get('/<userId>')
Future<Response> fetchUser(Request request, String userId) async {
return users
.findById(userId)
.flatMap(mapper.to)
.match((left) => ResponseHelpers.fromError(left),
(right) => ResponseHelpers.jsonOk(right.toJson()))
.run();
}
@Route.post('/')
Future<Response> createUser(Request request) async {
return TaskEither<IError, UserDto>.tryCatch(() async {
final json = jsonDecode(await request.readAsString());
final user = UserDto.fromJson(json);
return user;
}, (error, stack) {
return AppError.inputError(
message: 'Failed to create user: ${error.toString()}');
})
.flatMap(mapper.from)
.flatMap(users.create)
.flatMap(mapper.to)
.match((left) => ResponseHelpers.fromError(left),
(right) => ResponseHelpers.jsonOk(right.toJson()))
.run();
}
@Route.put('/<userId>')
Future<Response> updateUser(Request request, String userId) async {
return TaskEither<IError, UserDto>.tryCatch(() async {
final json = jsonDecode(await request.readAsString());
final user = UserDto.fromJson(json);
return user;
}, (error, stack) {
return AppError.inputError(
message: 'Failed to update user: ${error.toString()}');
})
.flatMap(mapper.from)
.flatMap(users.update)
.flatMap(mapper.to)
.match((left) => ResponseHelpers.fromError(left),
(right) => ResponseHelpers.jsonOk(right.toJson()))
.run();
}
@Route.delete('/<userId>')
Future<Response> deleteUser(Request request, String userId) async {
return users
.delete(userId)
.match((left) => ResponseHelpers.fromError(left),
(right) => Response.ok('user deleted'))
.run();
}
// Create router using the generate function defined in 'userservice.g.dart'.
Router get router => _$UserServiceRouter(this);
}
@@ -18,5 +18,20 @@ Router _$UserServiceRouter(UserService service) {
r'/<userId>',
service.fetchUser,
);
router.add(
'POST',
r'/',
service.createUser,
);
router.add(
'PUT',
r'/<userId>',
service.updateUser,
);
router.add(
'DELETE',
r'/<userId>',
service.deleteUser,
);
return router;
}
@@ -0,0 +1,8 @@
import 'package:backend_dart/application/repository/provider.dart';
import 'package:backend_dart/application/service/user_service.dart';
import 'package:riverpod/riverpod.dart';
final userServiceProvider = Provider<UserService>((ref) {
final database = ref.read(userRepoProvider);
return UserService(database);
});
@@ -1,27 +0,0 @@
import 'package:backend_dart/infrastructure/persistence/database.dart';
import 'package:shelf/shelf.dart';
import 'package:shelf_router/shelf_router.dart';
part 'user_service.g.dart'; // generated with 'pub run build_runner build'
class UserService {
final Database database;
UserService(this.database);
@Route.get('/')
Future<Response> listUsers(Request request) async {
return Response.ok('["user1"]');
}
@Route.get('/<userId>')
Future<Response> fetchUser(Request request, String userId) async {
final result = await database.users.findById(userId);
if (result != null) {
return Response.ok(result);
}
return Response.notFound('no such user');
}
// Create router using the generate function defined in 'userservice.g.dart'.
Router get router => _$UserServiceRouter(this);
}
@@ -1,8 +0,0 @@
import 'package:backend_dart/application/user_service/user_service.dart';
import 'package:backend_dart/infrastructure/persistence/database_provider.dart';
import 'package:riverpod/riverpod.dart';
final userServiceProvider = Provider<UserService>((ref) {
final database = ref.read(databaseProvider);
return UserService(database);
});