Init login feature add data layer

lib/features/login/data/model/converter/user_id_converter.dart

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+import 'dart:convert';
+
+import 'package:json_annotation/json_annotation.dart';
+import 'package:model/model.dart';
+
+class UserIdConverter implements JsonConverter<UserId, String> {
+  const UserIdConverter();
+
+  @override
+  UserId fromJson(String json) => UserId(json);
+
+  @override
+  String toJson(UserId object) => jsonEncode(object.id);
+}

lib/features/login/data/model/request/account_request.dart

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+import 'package:equatable/equatable.dart';
+import 'package:model/model.dart';
+
+class AccountRequest with EquatableMixin {
+  final UserName userName;
+  final Password password;
+
+  AccountRequest(this.userName, this.password);
+
+  Map<String, dynamic> toJson() => <String, dynamic>{
+    'username': userName.userName,
+    'password': password.value,
+  };
+
+  @override
+  List<Object> get props => [userName, password];
+}

lib/features/login/data/model/response/user_response.dart

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+import 'package:core/data/constants/constant.dart';
+import 'package:equatable/equatable.dart';
+import 'package:json_annotation/json_annotation.dart';
+import 'package:model/model.dart';
+import 'package:tmail_ui_user/features/login/data/model/converter/user_id_converter.dart';
+
+part 'user_response.g.dart';
+
+@UserIdConverter()
+@JsonSerializable()
+class UserResponse with EquatableMixin  {
+
+  @JsonKey(name: Constant.userId)
+  final UserId userId;
+  @JsonKey(name: Constant.firstName)
+  final String firstName;
+  @JsonKey(name: Constant.lastName)
+  final String lastName;
+
+  UserResponse(
+    this.userId,
+    this.firstName,
+    this.lastName
+  );
+
+  factory UserResponse.fromJson(Map<String, dynamic> json) => _$UserResponseFromJson(json);
+
+  Map<String, dynamic> toJson() => _$UserResponseToJson(this);
+
+  @override
+  List<Object?> get props => [
+    userId,
+    firstName,
+    lastName,
+  ];
+}
+
+extension UserResponseExtension on UserResponse {
+  User toUser() {
+    return User(
+      userId,
+      firstName,
+      lastName,
+    );
+  }
+}